--- /dev/null
+/**
+ * Customized for fluidbook (search lines with scaleX or scaleY)
+ */
+/**
+ * @license
+ * Video.js 6.4.0 <http://videojs.com/>
+ * Copyright Brightcove, Inc. <https://www.brightcove.com/>
+ * Available under Apache License Version 2.0
+ * <https://github.com/videojs/video.js/blob/master/LICENSE>
+ *
+ * Includes vtt.js <https://github.com/mozilla/vtt.js>
+ * Available under Apache License Version 2.0
+ * <https://github.com/mozilla/vtt.js/blob/master/LICENSE>
+ */
+
+(function (global, factory) {
+ typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
+ typeof define === 'function' && define.amd ? define(factory) :
+ (global.videojs = factory());
+}(this, (function () {
+
+ var version = "6.4.0";
+
+ var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+
+
+ function createCommonjsModule(fn, module) {
+ return module = {exports: {}}, fn(module, module.exports), module.exports;
+ }
+
+ var win;
+
+ if (typeof window !== "undefined") {
+ win = window;
+ } else if (typeof commonjsGlobal !== "undefined") {
+ win = commonjsGlobal;
+ } else if (typeof self !== "undefined") {
+ win = self;
+ } else {
+ win = {};
+ }
+
+ var window_1 = win;
+
+ var empty = {};
+
+
+ var empty$1 = (Object.freeze || Object)({
+ 'default': empty
+ });
+
+ var minDoc = (empty$1 && empty) || empty$1;
+
+ var topLevel = typeof commonjsGlobal !== 'undefined' ? commonjsGlobal :
+ typeof window !== 'undefined' ? window : {};
+
+
+ var doccy;
+
+ if (typeof document !== 'undefined') {
+ doccy = document;
+ } else {
+ doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];
+
+ if (!doccy) {
+ doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
+ }
+ }
+
+ var document_1 = doccy;
+
+ /**
+ * @file browser.js
+ * @module browser
+ */
+ var USER_AGENT = window_1.navigator && window_1.navigator.userAgent || '';
+ var webkitVersionMap = /AppleWebKit\/([\d.]+)/i.exec(USER_AGENT);
+ var appleWebkitVersion = webkitVersionMap ? parseFloat(webkitVersionMap.pop()) : null;
+
+ /*
+ * Device is an iPhone
+ *
+ * @type {Boolean}
+ * @constant
+ * @private
+ */
+ var IS_IPAD = /iPad/i.test(USER_AGENT);
+
+// The Facebook app's UIWebView identifies as both an iPhone and iPad, so
+// to identify iPhones, we need to exclude iPads.
+// http://artsy.github.io/blog/2012/10/18/the-perils-of-ios-user-agent-sniffing/
+ var IS_IPHONE = /iPhone/i.test(USER_AGENT) && !IS_IPAD;
+ var IS_IPOD = /iPod/i.test(USER_AGENT);
+ var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD;
+
+ var IOS_VERSION = function () {
+ var match = USER_AGENT.match(/OS (\d+)_/i);
+
+ if (match && match[1]) {
+ return match[1];
+ }
+ return null;
+ }();
+
+ var IS_ANDROID = /Android/i.test(USER_AGENT);
+ var ANDROID_VERSION = function () {
+ // This matches Android Major.Minor.Patch versions
+ // ANDROID_VERSION is Major.Minor as a Number, if Minor isn't available, then only Major is returned
+ var match = USER_AGENT.match(/Android (\d+)(?:\.(\d+))?(?:\.(\d+))*/i);
+
+ if (!match) {
+ return null;
+ }
+
+ var major = match[1] && parseFloat(match[1]);
+ var minor = match[2] && parseFloat(match[2]);
+
+ if (major && minor) {
+ return parseFloat(match[1] + '.' + match[2]);
+ } else if (major) {
+ return major;
+ }
+ return null;
+ }();
+
+// Old Android is defined as Version older than 2.3, and requiring a webkit version of the android browser
+ var IS_OLD_ANDROID = IS_ANDROID && /webkit/i.test(USER_AGENT) && ANDROID_VERSION < 2.3;
+ var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537;
+
+ var IS_FIREFOX = /Firefox/i.test(USER_AGENT);
+ var IS_EDGE = /Edge/i.test(USER_AGENT);
+ var IS_CHROME = !IS_EDGE && /Chrome/i.test(USER_AGENT);
+ var CHROME_VERSION = function () {
+ var match = USER_AGENT.match(/Chrome\/(\d+)/);
+
+ if (match && match[1]) {
+ return parseFloat(match[1]);
+ }
+ return null;
+ }();
+ var IS_IE8 = /MSIE\s8\.0/.test(USER_AGENT);
+ var IE_VERSION = function () {
+ var result = /MSIE\s(\d+)\.\d/.exec(USER_AGENT);
+ var version = result && parseFloat(result[1]);
+
+ if (!version && /Trident\/7.0/i.test(USER_AGENT) && /rv:11.0/.test(USER_AGENT)) {
+ // IE 11 has a different user agent string than other IE versions
+ version = 11.0;
+ }
+
+ return version;
+ }();
+
+ var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE;
+ var IS_ANY_SAFARI = IS_SAFARI || IS_IOS;
+
+ var TOUCH_ENABLED = isReal() && ('ontouchstart' in window_1 || window_1.DocumentTouch && window_1.document instanceof window_1.DocumentTouch);
+
+ var BACKGROUND_SIZE_SUPPORTED = isReal() && 'backgroundSize' in window_1.document.createElement('video').style;
+
+ var browser = (Object.freeze || Object)({
+ IS_IPAD: IS_IPAD,
+ IS_IPHONE: IS_IPHONE,
+ IS_IPOD: IS_IPOD,
+ IS_IOS: IS_IOS,
+ IOS_VERSION: IOS_VERSION,
+ IS_ANDROID: IS_ANDROID,
+ ANDROID_VERSION: ANDROID_VERSION,
+ IS_OLD_ANDROID: IS_OLD_ANDROID,
+ IS_NATIVE_ANDROID: IS_NATIVE_ANDROID,
+ IS_FIREFOX: IS_FIREFOX,
+ IS_EDGE: IS_EDGE,
+ IS_CHROME: IS_CHROME,
+ CHROME_VERSION: CHROME_VERSION,
+ IS_IE8: IS_IE8,
+ IE_VERSION: IE_VERSION,
+ IS_SAFARI: IS_SAFARI,
+ IS_ANY_SAFARI: IS_ANY_SAFARI,
+ TOUCH_ENABLED: TOUCH_ENABLED,
+ BACKGROUND_SIZE_SUPPORTED: BACKGROUND_SIZE_SUPPORTED
+ });
+
+ var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+ return typeof obj;
+ } : function (obj) {
+ return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+ };
+
+
+ var classCallCheck = function (instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+ };
+
+
+ var inherits = function (subClass, superClass) {
+ if (typeof superClass !== "function" && superClass !== null) {
+ throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+ };
+
+
+ var possibleConstructorReturn = function (self, call) {
+ if (!self) {
+ throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+ }
+
+ return call && (typeof call === "object" || typeof call === "function") ? call : self;
+ };
+
+
+ var taggedTemplateLiteralLoose = function (strings, raw) {
+ strings.raw = raw;
+ return strings;
+ };
+
+ /**
+ * @file obj.js
+ * @module obj
+ */
+
+ /**
+ * @callback obj:EachCallback
+ *
+ * @param {Mixed} value
+ * The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ * The current key-value for object that is being iterated over
+ */
+
+ /**
+ * @callback obj:ReduceCallback
+ *
+ * @param {Mixed} accum
+ * The value that is accumulating over the reduce loop.
+ *
+ * @param {Mixed} value
+ * The current key for the object that is being iterated over.
+ *
+ * @param {string} key
+ * The current key-value for object that is being iterated over
+ *
+ * @return {Mixed}
+ * The new accumulated value.
+ */
+ var toString = Object.prototype.toString;
+
+ /**
+ * Get the keys of an Object
+ *
+ * @param {Object}
+ * The Object to get the keys from
+ *
+ * @return {string[]}
+ * An array of the keys from the object. Returns an empty array if the
+ * object passed in was invalid or had no keys.
+ *
+ * @private
+ */
+ var keys = function keys(object) {
+ return isObject(object) ? Object.keys(object) : [];
+ };
+
+ /**
+ * Array-like iteration for objects.
+ *
+ * @param {Object} object
+ * The object to iterate over
+ *
+ * @param {obj:EachCallback} fn
+ * The callback function which is called for each key in the object.
+ */
+ function each(object, fn) {
+ keys(object).forEach(function (key) {
+ return fn(object[key], key);
+ });
+ }
+
+ /**
+ * Array-like reduce for objects.
+ *
+ * @param {Object} object
+ * The Object that you want to reduce.
+ *
+ * @param {Function} fn
+ * A callback function which is called for each key in the object. It
+ * receives the accumulated value and the per-iteration value and key
+ * as arguments.
+ *
+ * @param {Mixed} [initial = 0]
+ * Starting value
+ *
+ * @return {Mixed}
+ * The final accumulated value.
+ */
+ function reduce(object, fn) {
+ var initial = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
+
+ return keys(object).reduce(function (accum, key) {
+ return fn(accum, object[key], key);
+ }, initial);
+ }
+
+ /**
+ * Object.assign-style object shallow merge/extend.
+ *
+ * @param {Object} target
+ * @param {Object} ...sources
+ * @return {Object}
+ */
+ function assign(target) {
+ for (var _len = arguments.length, sources = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+ sources[_key - 1] = arguments[_key];
+ }
+
+ if (Object.assign) {
+ return Object.assign.apply(Object, [target].concat(sources));
+ }
+
+ sources.forEach(function (source) {
+ if (!source) {
+ return;
+ }
+
+ each(source, function (value, key) {
+ target[key] = value;
+ });
+ });
+
+ return target;
+ }
+
+ /**
+ * Returns whether a value is an object of any kind - including DOM nodes,
+ * arrays, regular expressions, etc. Not functions, though.
+ *
+ * This avoids the gotcha where using `typeof` on a `null` value
+ * results in `'object'`.
+ *
+ * @param {Object} value
+ * @return {Boolean}
+ */
+ function isObject(value) {
+ return !!value && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object';
+ }
+
+ /**
+ * Returns whether an object appears to be a "plain" object - that is, a
+ * direct instance of `Object`.
+ *
+ * @param {Object} value
+ * @return {Boolean}
+ */
+ function isPlain(value) {
+ return isObject(value) && toString.call(value) === '[object Object]' && value.constructor === Object;
+ }
+
+ /**
+ * @file log.js
+ * @module log
+ */
+ var log = void 0;
+
+// This is the private tracking variable for logging level.
+ var level = 'all';
+
+// This is the private tracking variable for the logging history.
+ var history = [];
+
+ /**
+ * Log messages to the console and history based on the type of message
+ *
+ * @private
+ * @param {string} type
+ * The name of the console method to use.
+ *
+ * @param {Array} args
+ * The arguments to be passed to the matching console method.
+ *
+ * @param {boolean} [stringify]
+ * By default, only old IEs should get console argument stringification,
+ * but this is exposed as a parameter to facilitate testing.
+ */
+ var logByType = function logByType(type, args) {
+ var stringify = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : !!IE_VERSION && IE_VERSION < 11;
+
+ var lvl = log.levels[level];
+ var lvlRegExp = new RegExp('^(' + lvl + ')$');
+
+ if (type !== 'log') {
+
+ // Add the type to the front of the message when it's not "log".
+ args.unshift(type.toUpperCase() + ':');
+ }
+
+ // Add a clone of the args at this point to history.
+ if (history) {
+ history.push([].concat(args));
+ }
+
+ // Add console prefix after adding to history.
+ args.unshift('VIDEOJS:');
+
+ // If there's no console then don't try to output messages, but they will
+ // still be stored in history.
+ //
+ // Was setting these once outside of this function, but containing them
+ // in the function makes it easier to test cases where console doesn't exist
+ // when the module is executed.
+ var fn = window_1.console && window_1.console[type];
+
+ // Bail out if there's no console or if this type is not allowed by the
+ // current logging level.
+ if (!fn || !lvl || !lvlRegExp.test(type)) {
+ return;
+ }
+
+ // IEs previous to 11 log objects uselessly as "[object Object]"; so, JSONify
+ // objects and arrays for those less-capable browsers.
+ if (stringify) {
+ args = args.map(function (a) {
+ if (isObject(a) || Array.isArray(a)) {
+ try {
+ return JSON.stringify(a);
+ } catch (x) {
+ return String(a);
+ }
+ }
+
+ // Cast to string before joining, so we get null and undefined explicitly
+ // included in output (as we would in a modern console).
+ return String(a);
+ }).join(' ');
+ }
+
+ // Old IE versions do not allow .apply() for console methods (they are
+ // reported as objects rather than functions).
+ if (!fn.apply) {
+ fn(args);
+ } else {
+ fn[Array.isArray(args) ? 'apply' : 'call'](window_1.console, args);
+ }
+ };
+
+ /**
+ * Logs plain debug messages. Similar to `console.log`.
+ *
+ * @class
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged.
+ */
+ log = function log() {
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ logByType('log', args);
+ };
+
+ /**
+ * Enumeration of available logging levels, where the keys are the level names
+ * and the values are `|`-separated strings containing logging methods allowed
+ * in that logging level. These strings are used to create a regular expression
+ * matching the function name being called.
+ *
+ * Levels provided by video.js are:
+ *
+ * - `off`: Matches no calls. Any value that can be cast to `false` will have
+ * this effect. The most restrictive.
+ * - `all` (default): Matches only Video.js-provided functions (`log`,
+ * `log.warn`, and `log.error`).
+ * - `warn`: Matches `log.warn` and `log.error` calls.
+ * - `error`: Matches only `log.error` calls.
+ *
+ * @type {Object}
+ */
+ log.levels = {
+ all: 'log|warn|error',
+ error: 'error',
+ off: '',
+ warn: 'warn|error',
+ DEFAULT: level
+ };
+
+ /**
+ * Get or set the current logging level. If a string matching a key from
+ * {@link log.levels} is provided, acts as a setter. Regardless of argument,
+ * returns the current logging level.
+ *
+ * @param {string} [lvl]
+ * Pass to set a new logging level.
+ *
+ * @return {string}
+ * The current logging level.
+ */
+ log.level = function (lvl) {
+ if (typeof lvl === 'string') {
+ if (!log.levels.hasOwnProperty(lvl)) {
+ throw new Error('"' + lvl + '" in not a valid log level');
+ }
+ level = lvl;
+ }
+ return level;
+ };
+
+ /**
+ * Returns an array containing everything that has been logged to the history.
+ *
+ * This array is a shallow clone of the internal history record. However, its
+ * contents are _not_ cloned; so, mutating objects inside this array will
+ * mutate them in history.
+ *
+ * @return {Array}
+ */
+ log.history = function () {
+ return history ? [].concat(history) : [];
+ };
+
+ /**
+ * Clears the internal history tracking, but does not prevent further history
+ * tracking.
+ */
+ log.history.clear = function () {
+ if (history) {
+ history.length = 0;
+ }
+ };
+
+ /**
+ * Disable history tracking if it is currently enabled.
+ */
+ log.history.disable = function () {
+ if (history !== null) {
+ history.length = 0;
+ history = null;
+ }
+ };
+
+ /**
+ * Enable history tracking if it is currently disabled.
+ */
+ log.history.enable = function () {
+ if (history === null) {
+ history = [];
+ }
+ };
+
+ /**
+ * Logs error messages. Similar to `console.error`.
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as an error
+ */
+ log.error = function () {
+ for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
+
+ return logByType('error', args);
+ };
+
+ /**
+ * Logs warning messages. Similar to `console.warn`.
+ *
+ * @param {Mixed[]} args
+ * One or more messages or objects that should be logged as a warning.
+ */
+ log.warn = function () {
+ for (var _len3 = arguments.length, args = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+ args[_key3] = arguments[_key3];
+ }
+
+ return logByType('warn', args);
+ };
+
+ var log$1 = log;
+
+ function clean(s) {
+ return s.replace(/\n\r?\s*/g, '')
+ }
+
+
+ var tsml = function tsml(sa) {
+ var s = ''
+ , i = 0;
+
+ for (; i < arguments.length; i++)
+ s += clean(sa[i]) + (arguments[i + 1] || '');
+
+ return s
+ };
+
+ /**
+ * @file computed-style.js
+ * @module computed-style
+ */
+ /**
+ * A safe getComputedStyle with an IE8 fallback.
+ *
+ * This is needed because in Firefox, if the player is loaded in an iframe with
+ * `display:none`, then `getComputedStyle` returns `null`, so, we do a null-check to
+ * make sure that the player doesn't break in these cases.
+ *
+ * @param {Element} el
+ * The element you want the computed style of
+ *
+ * @param {string} prop
+ * The property name you want
+ *
+ * @see https://bugzilla.mozilla.org/show_bug.cgi?id=548397
+ *
+ * @static
+ * @const
+ */
+ function computedStyle(el, prop) {
+ if (!el || !prop) {
+ return '';
+ }
+
+ if (typeof window_1.getComputedStyle === 'function') {
+ var cs = window_1.getComputedStyle(el);
+
+ return cs ? cs[prop] : '';
+ }
+
+ return el.currentStyle[prop] || '';
+ }
+
+ var _templateObject = taggedTemplateLiteralLoose(['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.'], ['Setting attributes in the second argument of createEl()\n has been deprecated. Use the third argument instead.\n createEl(type, properties, attributes). Attempting to set ', ' to ', '.']);
+
+ /**
+ * @file dom.js
+ * @module dom
+ */
+ /**
+ * Detect if a value is a string with any non-whitespace characters.
+ *
+ * @param {string} str
+ * The string to check
+ *
+ * @return {boolean}
+ * - True if the string is non-blank
+ * - False otherwise
+ *
+ */
+ function isNonBlankString(str) {
+ return typeof str === 'string' && /\S/.test(str);
+ }
+
+ /**
+ * Throws an error if the passed string has whitespace. This is used by
+ * class methods to be relatively consistent with the classList API.
+ *
+ * @param {string} str
+ * The string to check for whitespace.
+ *
+ * @throws {Error}
+ * Throws an error if there is whitespace in the string.
+ *
+ */
+ function throwIfWhitespace(str) {
+ if (/\s/.test(str)) {
+ throw new Error('class has illegal whitespace characters');
+ }
+ }
+
+ /**
+ * Produce a regular expression for matching a className within an elements className.
+ *
+ * @param {string} className
+ * The className to generate the RegExp for.
+ *
+ * @return {RegExp}
+ * The RegExp that will check for a specific `className` in an elements
+ * className.
+ */
+ function classRegExp(className) {
+ return new RegExp('(^|\\s)' + className + '($|\\s)');
+ }
+
+ /**
+ * Whether the current DOM interface appears to be real.
+ *
+ * @return {Boolean}
+ */
+ function isReal() {
+ return (
+
+ // Both document and window will never be undefined thanks to `global`.
+ document_1 === window_1.document &&
+
+ // In IE < 9, DOM methods return "object" as their type, so all we can
+ // confidently check is that it exists.
+ typeof document_1.createElement !== 'undefined'
+ );
+ }
+
+ /**
+ * Determines, via duck typing, whether or not a value is a DOM element.
+ *
+ * @param {Mixed} value
+ * The thing to check
+ *
+ * @return {boolean}
+ * - True if it is a DOM element
+ * - False otherwise
+ */
+ function isEl(value) {
+ return isObject(value) && value.nodeType === 1;
+ }
+
+ /**
+ * Determines if the current DOM is embedded in an iframe.
+ *
+ * @return {boolean}
+ *
+ */
+ function isInFrame() {
+
+ // We need a try/catch here because Safari will throw errors when attempting
+ // to get either `parent` or `self`
+ try {
+ return window_1.parent !== window_1.self;
+ } catch (x) {
+ return true;
+ }
+ }
+
+ /**
+ * Creates functions to query the DOM using a given method.
+ *
+ * @param {string} method
+ * The method to create the query with.
+ *
+ * @return {Function}
+ * The query method
+ */
+ function createQuerier(method) {
+ return function (selector, context) {
+ if (!isNonBlankString(selector)) {
+ return document_1[method](null);
+ }
+ if (isNonBlankString(context)) {
+ context = document_1.querySelector(context);
+ }
+
+ var ctx = isEl(context) ? context : document_1;
+
+ return ctx[method] && ctx[method](selector);
+ };
+ }
+
+ /**
+ * Creates an element and applies properties.
+ *
+ * @param {string} [tagName='div']
+ * Name of tag to be created.
+ *
+ * @param {Object} [properties={}]
+ * Element properties to be applied.
+ *
+ * @param {Object} [attributes={}]
+ * Element attributes to be applied.
+ *
+ * @param {String|Element|TextNode|Array|Function} [content]
+ * Contents for the element (see: {@link dom:normalizeContent})
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ function createEl() {
+ var tagName = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
+ var properties = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ var content = arguments[3];
+
+ var el = document_1.createElement(tagName);
+
+ Object.getOwnPropertyNames(properties).forEach(function (propName) {
+ var val = properties[propName];
+
+ // See #2176
+ // We originally were accepting both properties and attributes in the
+ // same object, but that doesn't work so well.
+ if (propName.indexOf('aria-') !== -1 || propName === 'role' || propName === 'type') {
+ log$1.warn(tsml(_templateObject, propName, val));
+ el.setAttribute(propName, val);
+
+ // Handle textContent since it's not supported everywhere and we have a
+ // method for it.
+ } else if (propName === 'textContent') {
+ textContent(el, val);
+ } else {
+ el[propName] = val;
+ }
+ });
+
+ Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+ el.setAttribute(attrName, attributes[attrName]);
+ });
+
+ if (content) {
+ appendContent(el, content);
+ }
+
+ return el;
+ }
+
+ /**
+ * Injects text into an element, replacing any existing contents entirely.
+ *
+ * @param {Element} el
+ * The element to add text content into
+ *
+ * @param {string} text
+ * The text content to add.
+ *
+ * @return {Element}
+ * The element with added text content.
+ */
+ function textContent(el, text) {
+ if (typeof el.textContent === 'undefined') {
+ el.innerText = text;
+ } else {
+ el.textContent = text;
+ }
+ return el;
+ }
+
+ /**
+ * Insert an element as the first child node of another
+ *
+ * @param {Element} child
+ * Element to insert
+ *
+ * @param {Element} parent
+ * Element to insert child into
+ */
+ function prependTo(child, parent) {
+ if (parent.firstChild) {
+ parent.insertBefore(child, parent.firstChild);
+ } else {
+ parent.appendChild(child);
+ }
+ }
+
+ /**
+ * Check if an element has a CSS class
+ *
+ * @param {Element} element
+ * Element to check
+ *
+ * @param {string} classToCheck
+ * Class name to check for
+ *
+ * @return {boolean}
+ * - True if the element had the class
+ * - False otherwise.
+ *
+ * @throws {Error}
+ * Throws an error if `classToCheck` has white space.
+ */
+ function hasClass(element, classToCheck) {
+ throwIfWhitespace(classToCheck);
+ if (element.classList) {
+ return element.classList.contains(classToCheck);
+ }
+ return classRegExp(classToCheck).test(element.className);
+ }
+
+ /**
+ * Add a CSS class name to an element
+ *
+ * @param {Element} element
+ * Element to add class name to.
+ *
+ * @param {string} classToAdd
+ * Class name to add.
+ *
+ * @return {Element}
+ * The dom element with the added class name.
+ */
+ function addClass(element, classToAdd) {
+ if (element.classList) {
+ element.classList.add(classToAdd);
+
+ // Don't need to `throwIfWhitespace` here because `hasElClass` will do it
+ // in the case of classList not being supported.
+ } else if (!hasClass(element, classToAdd)) {
+ element.className = (element.className + ' ' + classToAdd).trim();
+ }
+
+ return element;
+ }
+
+ /**
+ * Remove a CSS class name from an element
+ *
+ * @param {Element} element
+ * Element to remove a class name from.
+ *
+ * @param {string} classToRemove
+ * Class name to remove
+ *
+ * @return {Element}
+ * The dom element with class name removed.
+ */
+ function removeClass(element, classToRemove) {
+ if (element.classList) {
+ element.classList.remove(classToRemove);
+ } else {
+ throwIfWhitespace(classToRemove);
+ element.className = element.className.split(/\s+/).filter(function (c) {
+ return c !== classToRemove;
+ }).join(' ');
+ }
+
+ return element;
+ }
+
+ /**
+ * The callback definition for toggleElClass.
+ *
+ * @callback Dom~PredicateCallback
+ * @param {Element} element
+ * The DOM element of the Component.
+ *
+ * @param {string} classToToggle
+ * The `className` that wants to be toggled
+ *
+ * @return {boolean|undefined}
+ * - If true the `classToToggle` will get added to `element`.
+ * - If false the `classToToggle` will get removed from `element`.
+ * - If undefined this callback will be ignored
+ */
+
+ /**
+ * Adds or removes a CSS class name on an element depending on an optional
+ * condition or the presence/absence of the class name.
+ *
+ * @param {Element} element
+ * The element to toggle a class name on.
+ *
+ * @param {string} classToToggle
+ * The class that should be toggled
+ *
+ * @param {boolean|PredicateCallback} [predicate]
+ * See the return value for {@link Dom~PredicateCallback}
+ *
+ * @return {Element}
+ * The element with a class that has been toggled.
+ */
+ function toggleClass(element, classToToggle, predicate) {
+
+ // This CANNOT use `classList` internally because IE does not support the
+ // second parameter to the `classList.toggle()` method! Which is fine because
+ // `classList` will be used by the add/remove functions.
+ var has = hasClass(element, classToToggle);
+
+ if (typeof predicate === 'function') {
+ predicate = predicate(element, classToToggle);
+ }
+
+ if (typeof predicate !== 'boolean') {
+ predicate = !has;
+ }
+
+ // If the necessary class operation matches the current state of the
+ // element, no action is required.
+ if (predicate === has) {
+ return;
+ }
+
+ if (predicate) {
+ addClass(element, classToToggle);
+ } else {
+ removeClass(element, classToToggle);
+ }
+
+ return element;
+ }
+
+ /**
+ * Apply attributes to an HTML element.
+ *
+ * @param {Element} el
+ * Element to add attributes to.
+ *
+ * @param {Object} [attributes]
+ * Attributes to be applied.
+ */
+ function setAttributes(el, attributes) {
+ Object.getOwnPropertyNames(attributes).forEach(function (attrName) {
+ var attrValue = attributes[attrName];
+
+ if (attrValue === null || typeof attrValue === 'undefined' || attrValue === false) {
+ el.removeAttribute(attrName);
+ } else {
+ el.setAttribute(attrName, attrValue === true ? '' : attrValue);
+ }
+ });
+ }
+
+ /**
+ * Get an element's attribute values, as defined on the HTML tag
+ * Attributes are not the same as properties. They're defined on the tag
+ * or with setAttribute (which shouldn't be used with HTML)
+ * This will return true or false for boolean attributes.
+ *
+ * @param {Element} tag
+ * Element from which to get tag attributes.
+ *
+ * @return {Object}
+ * All attributes of the element.
+ */
+ function getAttributes(tag) {
+ var obj = {};
+
+ // known boolean attributes
+ // we can check for matching boolean properties, but older browsers
+ // won't know about HTML5 boolean attributes that we still read from
+ var knownBooleans = ',' + 'autoplay,controls,playsinline,loop,muted,default,defaultMuted' + ',';
+
+ if (tag && tag.attributes && tag.attributes.length > 0) {
+ var attrs = tag.attributes;
+
+ for (var i = attrs.length - 1; i >= 0; i--) {
+ var attrName = attrs[i].name;
+ var attrVal = attrs[i].value;
+
+ // check for known booleans
+ // the matching element property will return a value for typeof
+ if (typeof tag[attrName] === 'boolean' || knownBooleans.indexOf(',' + attrName + ',') !== -1) {
+ // the value of an included boolean attribute is typically an empty
+ // string ('') which would equal false if we just check for a false value.
+ // we also don't want support bad code like autoplay='false'
+ attrVal = attrVal !== null ? true : false;
+ }
+
+ obj[attrName] = attrVal;
+ }
+ }
+
+ return obj;
+ }
+
+ /**
+ * Get the value of an element's attribute
+ *
+ * @param {Element} el
+ * A DOM element
+ *
+ * @param {string} attribute
+ * Attribute to get the value of
+ *
+ * @return {string}
+ * value of the attribute
+ */
+ function getAttribute(el, attribute) {
+ return el.getAttribute(attribute);
+ }
+
+ /**
+ * Set the value of an element's attribute
+ *
+ * @param {Element} el
+ * A DOM element
+ *
+ * @param {string} attribute
+ * Attribute to set
+ *
+ * @param {string} value
+ * Value to set the attribute to
+ */
+ function setAttribute(el, attribute, value) {
+ el.setAttribute(attribute, value);
+ }
+
+ /**
+ * Remove an element's attribute
+ *
+ * @param {Element} el
+ * A DOM element
+ *
+ * @param {string} attribute
+ * Attribute to remove
+ */
+ function removeAttribute(el, attribute) {
+ el.removeAttribute(attribute);
+ }
+
+ /**
+ * Attempt to block the ability to select text while dragging controls
+ */
+ function blockTextSelection() {
+ document_1.body.focus();
+ document_1.onselectstart = function () {
+ return false;
+ };
+ }
+
+ /**
+ * Turn off text selection blocking
+ */
+ function unblockTextSelection() {
+ document_1.onselectstart = function () {
+ return true;
+ };
+ }
+
+ /**
+ * Identical to the native `getBoundingClientRect` function, but ensures that
+ * the method is supported at all (it is in all browsers we claim to support)
+ * and that the element is in the DOM before continuing.
+ *
+ * This wrapper function also shims properties which are not provided by some
+ * older browsers (namely, IE8).
+ *
+ * Additionally, some browsers do not support adding properties to a
+ * `ClientRect`/`DOMRect` object; so, we shallow-copy it with the standard
+ * properties (except `x` and `y` which are not widely supported). This helps
+ * avoid implementations where keys are non-enumerable.
+ *
+ * @param {Element} el
+ * Element whose `ClientRect` we want to calculate.
+ *
+ * @return {Object|undefined}
+ * Always returns a plain
+ */
+ function getBoundingClientRect(el) {
+ if (el && el.getBoundingClientRect && el.parentNode) {
+ var rect = el.getBoundingClientRect();
+ var result = {};
+
+ ['bottom', 'height', 'left', 'right', 'top', 'width'].forEach(function (k) {
+ if (rect[k] !== undefined) {
+ result[k] = rect[k];
+ }
+ });
+
+ if (!result.height) {
+ result.height = parseFloat(computedStyle(el, 'height'));
+ }
+
+ if (!result.width) {
+ result.width = parseFloat(computedStyle(el, 'width'));
+ }
+
+ return result;
+ }
+ }
+
+ /**
+ * The postion of a DOM element on the page.
+ *
+ * @typedef {Object} module:dom~Position
+ *
+ * @property {number} left
+ * Pixels to the left
+ *
+ * @property {number} top
+ * Pixels on top
+ */
+
+ /**
+ * Offset Left.
+ * getBoundingClientRect technique from
+ * John Resig
+ *
+ * @see http://ejohn.org/blog/getboundingclientrect-is-awesome/
+ *
+ * @param {Element} el
+ * Element from which to get offset
+ *
+ * @return {module:dom~Position}
+ * The position of the element that was passed in.
+ */
+ function findPosition(el) {
+ var box = void 0;
+
+ if (el.getBoundingClientRect && el.parentNode) {
+ box = el.getBoundingClientRect();
+ }
+
+ if (!box) {
+ return {
+ left: 0,
+ top: 0
+ };
+ }
+
+ var docEl = document_1.documentElement;
+ var body = document_1.body;
+
+ var clientLeft = docEl.clientLeft || body.clientLeft || 0;
+ var scrollLeft = window_1.pageXOffset || body.scrollLeft;
+ var left = box.left + scrollLeft - clientLeft;
+
+ var clientTop = docEl.clientTop || body.clientTop || 0;
+ var scrollTop = window_1.pageYOffset || body.scrollTop;
+ var top = box.top + scrollTop - clientTop;
+
+ // Android sometimes returns slightly off decimal values, so need to round
+ return {
+ left: Math.round(left),
+ top: Math.round(top)
+ };
+ }
+
+ /**
+ * x and y coordinates for a dom element or mouse pointer
+ *
+ * @typedef {Object} Dom~Coordinates
+ *
+ * @property {number} x
+ * x coordinate in pixels
+ *
+ * @property {number} y
+ * y coordinate in pixels
+ */
+
+ /**
+ * Get pointer position in element
+ * Returns an object with x and y coordinates.
+ * The base on the coordinates are the bottom left of the element.
+ *
+ * @param {Element} el
+ * Element on which to get the pointer position on
+ *
+ * @param {EventTarget~Event} event
+ * Event object
+ *
+ * @return {Dom~Coordinates}
+ * A Coordinates object corresponding to the mouse position.
+ *
+ */
+ function getPointerPosition(el, event) {
+ var position = {};
+ var box = videojs.dom.findPosition(el);
+ var boxW = el.offsetWidth;
+ var boxH = el.offsetHeight;
+
+ var boxY = box.top;
+ var boxX = box.left;
+ var pageY = event.pageY;
+ var pageX = event.pageX;
+
+ if (event.changedTouches) {
+ pageX = event.changedTouches[0].pageX;
+ pageY = event.changedTouches[0].pageY;
+ }
+
+ var scaleX = el.getBoundingClientRect().width / el.offsetWidth;
+ var scaleY = el.getBoundingClientRect().height / el.offsetHeight;
+
+ position.y = Math.max(0, Math.min(1, (boxY - pageY + boxH) / (boxH * scaleY)));
+ position.x = Math.max(0, Math.min(1, (pageX - boxX) / (boxW * scaleX)));
+
+ return position;
+ }
+
+ /**
+ * Determines, via duck typing, whether or not a value is a text node.
+ *
+ * @param {Mixed} value
+ * Check if this value is a text node.
+ *
+ * @return {boolean}
+ * - True if it is a text node
+ * - False otherwise
+ */
+ function isTextNode(value) {
+ return isObject(value) && value.nodeType === 3;
+ }
+
+ /**
+ * Empties the contents of an element.
+ *
+ * @param {Element} el
+ * The element to empty children from
+ *
+ * @return {Element}
+ * The element with no children
+ */
+ function emptyEl(el) {
+ while (el.firstChild) {
+ el.removeChild(el.firstChild);
+ }
+ return el;
+ }
+
+ /**
+ * Normalizes content for eventual insertion into the DOM.
+ *
+ * This allows a wide range of content definition methods, but protects
+ * from falling into the trap of simply writing to `innerHTML`, which is
+ * an XSS concern.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ * - String: Normalized into a text node.
+ * - Element/TextNode: Passed through.
+ * - Array: A one-dimensional array of strings, elements, nodes, or functions
+ * (which return single strings, elements, or nodes).
+ * - Function: If the sole argument, is expected to produce a string, element,
+ * node, or array as defined above.
+ *
+ * @return {Array}
+ * All of the content that was passed in normalized.
+ */
+ function normalizeContent(content) {
+
+ // First, invoke content if it is a function. If it produces an array,
+ // that needs to happen before normalization.
+ if (typeof content === 'function') {
+ content = content();
+ }
+
+ // Next up, normalize to an array, so one or many items can be normalized,
+ // filtered, and returned.
+ return (Array.isArray(content) ? content : [content]).map(function (value) {
+
+ // First, invoke value if it is a function to produce a new value,
+ // which will be subsequently normalized to a Node of some kind.
+ if (typeof value === 'function') {
+ value = value();
+ }
+
+ if (isEl(value) || isTextNode(value)) {
+ return value;
+ }
+
+ if (typeof value === 'string' && /\S/.test(value)) {
+ return document_1.createTextNode(value);
+ }
+ }).filter(function (value) {
+ return value;
+ });
+ }
+
+ /**
+ * Normalizes and appends content to an element.
+ *
+ * @param {Element} el
+ * Element to append normalized content to.
+ *
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ * See the `content` argument of {@link dom:normalizeContent}
+ *
+ * @return {Element}
+ * The element with appended normalized content.
+ */
+ function appendContent(el, content) {
+ normalizeContent(content).forEach(function (node) {
+ return el.appendChild(node);
+ });
+ return el;
+ }
+
+ /**
+ * Normalizes and inserts content into an element; this is identical to
+ * `appendContent()`, except it empties the element first.
+ *
+ * @param {Element} el
+ * Element to insert normalized content into.
+ *
+ * @param {String|Element|TextNode|Array|Function} content
+ * See the `content` argument of {@link dom:normalizeContent}
+ *
+ * @return {Element}
+ * The element with inserted normalized content.
+ *
+ */
+ function insertContent(el, content) {
+ return appendContent(emptyEl(el), content);
+ }
+
+ /**
+ * Finds a single DOM element matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|String} [context=document]
+ * A DOM element within which to query. Can also be a selector
+ * string in which case the first matching element will be used
+ * as context. If missing (or no element matches selector), falls
+ * back to `document`.
+ *
+ * @return {Element|null}
+ * The element that was found or null.
+ */
+ var $ = createQuerier('querySelector');
+
+ /**
+ * Finds a all DOM elements matching `selector` within the optional
+ * `context` of another DOM element (defaulting to `document`).
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|String} [context=document]
+ * A DOM element within which to query. Can also be a selector
+ * string in which case the first matching element will be used
+ * as context. If missing (or no element matches selector), falls
+ * back to `document`.
+ *
+ * @return {NodeList}
+ * A element list of elements that were found. Will be empty if none were found.
+ *
+ */
+ var $$ = createQuerier('querySelectorAll');
+
+
+ var Dom = (Object.freeze || Object)({
+ isReal: isReal,
+ isEl: isEl,
+ isInFrame: isInFrame,
+ createEl: createEl,
+ textContent: textContent,
+ prependTo: prependTo,
+ hasClass: hasClass,
+ addClass: addClass,
+ removeClass: removeClass,
+ toggleClass: toggleClass,
+ setAttributes: setAttributes,
+ getAttributes: getAttributes,
+ getAttribute: getAttribute,
+ setAttribute: setAttribute,
+ removeAttribute: removeAttribute,
+ blockTextSelection: blockTextSelection,
+ unblockTextSelection: unblockTextSelection,
+ getBoundingClientRect: getBoundingClientRect,
+ findPosition: findPosition,
+ getPointerPosition: getPointerPosition,
+ isTextNode: isTextNode,
+ emptyEl: emptyEl,
+ normalizeContent: normalizeContent,
+ appendContent: appendContent,
+ insertContent: insertContent,
+ $: $,
+ $$: $$
+ });
+
+ /**
+ * @file guid.js
+ * @module guid
+ */
+
+ /**
+ * Unique ID for an element or function
+ * @type {Number}
+ */
+ var _guid = 1;
+
+ /**
+ * Get a unique auto-incrementing ID by number that has not been returned before.
+ *
+ * @return {number}
+ * A new unique ID.
+ */
+ function newGUID() {
+ return _guid++;
+ }
+
+ /**
+ * @file dom-data.js
+ * @module dom-data
+ */
+ /**
+ * Element Data Store.
+ *
+ * Allows for binding data to an element without putting it directly on the
+ * element. Ex. Event listeners are stored here.
+ * (also from jsninja.com, slightly modified and updated for closure compiler)
+ *
+ * @type {Object}
+ * @private
+ */
+ var elData = {};
+
+ /*
+ * Unique attribute name to store an element's guid in
+ *
+ * @type {String}
+ * @constant
+ * @private
+ */
+ var elIdAttr = 'vdata' + new Date().getTime();
+
+ /**
+ * Returns the cache object where data for an element is stored
+ *
+ * @param {Element} el
+ * Element to store data for.
+ *
+ * @return {Object}
+ * The cache object for that el that was passed in.
+ */
+ function getData(el) {
+ var id = el[elIdAttr];
+
+ if (!id) {
+ id = el[elIdAttr] = newGUID();
+ }
+
+ if (!elData[id]) {
+ elData[id] = {};
+ }
+
+ return elData[id];
+ }
+
+ /**
+ * Returns whether or not an element has cached data
+ *
+ * @param {Element} el
+ * Check if this element has cached data.
+ *
+ * @return {boolean}
+ * - True if the DOM element has cached data.
+ * - False otherwise.
+ */
+ function hasData(el) {
+ var id = el[elIdAttr];
+
+ if (!id) {
+ return false;
+ }
+
+ return !!Object.getOwnPropertyNames(elData[id]).length;
+ }
+
+ /**
+ * Delete data for the element from the cache and the guid attr from getElementById
+ *
+ * @param {Element} el
+ * Remove cached data for this element.
+ */
+ function removeData(el) {
+ var id = el[elIdAttr];
+
+ if (!id) {
+ return;
+ }
+
+ // Remove all stored data
+ delete elData[id];
+
+ // Remove the elIdAttr property from the DOM node
+ try {
+ delete el[elIdAttr];
+ } catch (e) {
+ if (el.removeAttribute) {
+ el.removeAttribute(elIdAttr);
+ } else {
+ // IE doesn't appear to support removeAttribute on the document element
+ el[elIdAttr] = null;
+ }
+ }
+ }
+
+ /**
+ * @file events.js. An Event System (John Resig - Secrets of a JS Ninja http://jsninja.com/)
+ * (Original book version wasn't completely usable, so fixed some things and made Closure Compiler compatible)
+ * This should work very similarly to jQuery's events, however it's based off the book version which isn't as
+ * robust as jquery's, so there's probably some differences.
+ *
+ * @module events
+ */
+
+ /**
+ * Clean up the listener cache and dispatchers
+ *
+ * @param {Element|Object} elem
+ * Element to clean up
+ *
+ * @param {string} type
+ * Type of event to clean up
+ */
+ function _cleanUpEvents(elem, type) {
+ var data = getData(elem);
+
+ // Remove the events of a particular type if there are none left
+ if (data.handlers[type].length === 0) {
+ delete data.handlers[type];
+ // data.handlers[type] = null;
+ // Setting to null was causing an error with data.handlers
+
+ // Remove the meta-handler from the element
+ if (elem.removeEventListener) {
+ elem.removeEventListener(type, data.dispatcher, false);
+ } else if (elem.detachEvent) {
+ elem.detachEvent('on' + type, data.dispatcher);
+ }
+ }
+
+ // Remove the events object if there are no types left
+ if (Object.getOwnPropertyNames(data.handlers).length <= 0) {
+ delete data.handlers;
+ delete data.dispatcher;
+ delete data.disabled;
+ }
+
+ // Finally remove the element data if there is no data left
+ if (Object.getOwnPropertyNames(data).length === 0) {
+ removeData(elem);
+ }
+ }
+
+ /**
+ * Loops through an array of event types and calls the requested method for each type.
+ *
+ * @param {Function} fn
+ * The event method we want to use.
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind listeners to
+ *
+ * @param {string} type
+ * Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} callback
+ * Event listener.
+ */
+ function _handleMultipleEvents(fn, elem, types, callback) {
+ types.forEach(function (type) {
+ // Call the event method for each one of the types
+ fn(elem, type, callback);
+ });
+ }
+
+ /**
+ * Fix a native event to have standard property values
+ *
+ * @param {Object} event
+ * Event object to fix.
+ *
+ * @return {Object}
+ * Fixed event object.
+ */
+ function fixEvent(event) {
+
+ function returnTrue() {
+ return true;
+ }
+
+ function returnFalse() {
+ return false;
+ }
+
+ // Test if fixing up is needed
+ // Used to check if !event.stopPropagation instead of isPropagationStopped
+ // But native events return true for stopPropagation, but don't have
+ // other expected methods like isPropagationStopped. Seems to be a problem
+ // with the Javascript Ninja code. So we're just overriding all events now.
+ if (!event || !event.isPropagationStopped) {
+ var old = event || window_1.event;
+
+ event = {};
+ // Clone the old object so that we can modify the values event = {};
+ // IE8 Doesn't like when you mess with native event properties
+ // Firefox returns false for event.hasOwnProperty('type') and other props
+ // which makes copying more difficult.
+ // TODO: Probably best to create a whitelist of event props
+ for (var key in old) {
+ // Safari 6.0.3 warns you if you try to copy deprecated layerX/Y
+ // Chrome warns you if you try to copy deprecated keyboardEvent.keyLocation
+ // and webkitMovementX/Y
+ if (key !== 'layerX' && key !== 'layerY' && key !== 'keyLocation' && key !== 'webkitMovementX' && key !== 'webkitMovementY') {
+ // Chrome 32+ warns if you try to copy deprecated returnValue, but
+ // we still want to if preventDefault isn't supported (IE8).
+ if (!(key === 'returnValue' && old.preventDefault)) {
+ event[key] = old[key];
+ }
+ }
+ }
+
+ // The event occurred on this element
+ if (!event.target) {
+ event.target = event.srcElement || document_1;
+ }
+
+ // Handle which other element the event is related to
+ if (!event.relatedTarget) {
+ event.relatedTarget = event.fromElement === event.target ? event.toElement : event.fromElement;
+ }
+
+ // Stop the default browser action
+ event.preventDefault = function () {
+ if (old.preventDefault) {
+ old.preventDefault();
+ }
+ event.returnValue = false;
+ old.returnValue = false;
+ event.defaultPrevented = true;
+ };
+
+ event.defaultPrevented = false;
+
+ // Stop the event from bubbling
+ event.stopPropagation = function () {
+ if (old.stopPropagation) {
+ old.stopPropagation();
+ }
+ event.cancelBubble = true;
+ old.cancelBubble = true;
+ event.isPropagationStopped = returnTrue;
+ };
+
+ event.isPropagationStopped = returnFalse;
+
+ // Stop the event from bubbling and executing other handlers
+ event.stopImmediatePropagation = function () {
+ if (old.stopImmediatePropagation) {
+ old.stopImmediatePropagation();
+ }
+ event.isImmediatePropagationStopped = returnTrue;
+ event.stopPropagation();
+ };
+
+ event.isImmediatePropagationStopped = returnFalse;
+
+ // Handle mouse position
+ if (event.clientX !== null && event.clientX !== undefined) {
+ var doc = document_1.documentElement;
+ var body = document_1.body;
+
+ event.pageX = event.clientX + (doc && doc.scrollLeft || body && body.scrollLeft || 0) - (doc && doc.clientLeft || body && body.clientLeft || 0);
+ event.pageY = event.clientY + (doc && doc.scrollTop || body && body.scrollTop || 0) - (doc && doc.clientTop || body && body.clientTop || 0);
+ }
+
+ // Handle key presses
+ event.which = event.charCode || event.keyCode;
+
+ // Fix button for mouse clicks:
+ // 0 == left; 1 == middle; 2 == right
+ if (event.button !== null && event.button !== undefined) {
+
+ // The following is disabled because it does not pass videojs-standard
+ // and... yikes.
+ /* eslint-disable */
+ event.button = event.button & 1 ? 0 : event.button & 4 ? 1 : event.button & 2 ? 2 : 0;
+ /* eslint-enable */
+ }
+ }
+
+ // Returns fixed-up instance
+ return event;
+ }
+
+ /**
+ * Whether passive event listeners are supported
+ */
+ var _supportsPassive = false;
+
+ (function () {
+ try {
+ var opts = Object.defineProperty({}, 'passive', {
+ get: function get() {
+ _supportsPassive = true;
+ }
+ });
+
+ window_1.addEventListener('test', null, opts);
+ } catch (e) {
+ // disregard
+ }
+ })();
+
+ /**
+ * Touch events Chrome expects to be passive
+ */
+ var passiveEvents = ['touchstart', 'touchmove'];
+
+ /**
+ * Add an event listener to element
+ * It stores the handler function in a separate cache object
+ * and adds a generic handler to the element's event,
+ * along with a unique id (guid) to the element.
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind listeners to
+ *
+ * @param {string|string[]} type
+ * Type of event to bind to.
+ *
+ * @param {EventTarget~EventListener} fn
+ * Event listener.
+ */
+ function on(elem, type, fn) {
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(on, elem, type, fn);
+ }
+
+ var data = getData(elem);
+
+ // We need a place to store all our handler data
+ if (!data.handlers) {
+ data.handlers = {};
+ }
+
+ if (!data.handlers[type]) {
+ data.handlers[type] = [];
+ }
+
+ if (!fn.guid) {
+ fn.guid = newGUID();
+ }
+
+ data.handlers[type].push(fn);
+
+ if (!data.dispatcher) {
+ data.disabled = false;
+
+ data.dispatcher = function (event, hash) {
+
+ if (data.disabled) {
+ return;
+ }
+
+ event = fixEvent(event);
+
+ var handlers = data.handlers[event.type];
+
+ if (handlers) {
+ // Copy handlers so if handlers are added/removed during the process it doesn't throw everything off.
+ var handlersCopy = handlers.slice(0);
+
+ for (var m = 0, n = handlersCopy.length; m < n; m++) {
+ if (event.isImmediatePropagationStopped()) {
+ break;
+ } else {
+ try {
+ handlersCopy[m].call(elem, event, hash);
+ } catch (e) {
+ log$1.error(e);
+ }
+ }
+ }
+ }
+ };
+ }
+
+ if (data.handlers[type].length === 1) {
+ if (elem.addEventListener) {
+ var options = false;
+
+ if (_supportsPassive && passiveEvents.indexOf(type) > -1) {
+ options = {passive: true};
+ }
+ elem.addEventListener(type, data.dispatcher, options);
+ } else if (elem.attachEvent) {
+ elem.attachEvent('on' + type, data.dispatcher);
+ }
+ }
+ }
+
+ /**
+ * Removes event listeners from an element
+ *
+ * @param {Element|Object} elem
+ * Object to remove listeners from.
+ *
+ * @param {string|string[]} [type]
+ * Type of listener to remove. Don't include to remove all events from element.
+ *
+ * @param {EventTarget~EventListener} [fn]
+ * Specific listener to remove. Don't include to remove listeners for an event
+ * type.
+ */
+ function off(elem, type, fn) {
+ // Don't want to add a cache object through getElData if not needed
+ if (!hasData(elem)) {
+ return;
+ }
+
+ var data = getData(elem);
+
+ // If no events exist, nothing to unbind
+ if (!data.handlers) {
+ return;
+ }
+
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(off, elem, type, fn);
+ }
+
+ // Utility function
+ var removeType = function removeType(t) {
+ data.handlers[t] = [];
+ _cleanUpEvents(elem, t);
+ };
+
+ // Are we removing all bound events?
+ if (type === undefined) {
+ for (var t in data.handlers) {
+ if (Object.prototype.hasOwnProperty.call(data.handlers || {}, t)) {
+ removeType(t);
+ }
+ }
+ return;
+ }
+
+ var handlers = data.handlers[type];
+
+ // If no handlers exist, nothing to unbind
+ if (!handlers) {
+ return;
+ }
+
+ // If no listener was provided, remove all listeners for type
+ if (!fn) {
+ removeType(type);
+ return;
+ }
+
+ // We're only removing a single handler
+ if (fn.guid) {
+ for (var n = 0; n < handlers.length; n++) {
+ if (handlers[n].guid === fn.guid) {
+ handlers.splice(n--, 1);
+ }
+ }
+ }
+
+ _cleanUpEvents(elem, type);
+ }
+
+ /**
+ * Trigger an event for an element
+ *
+ * @param {Element|Object} elem
+ * Element to trigger an event on
+ *
+ * @param {EventTarget~Event|string} event
+ * A string (the type) or an event object with a type attribute
+ *
+ * @param {Object} [hash]
+ * data hash to pass along with the event
+ *
+ * @return {boolean|undefined}
+ * - Returns the opposite of `defaultPrevented` if default was prevented
+ * - Otherwise returns undefined
+ */
+ function trigger(elem, event, hash) {
+ // Fetches element data and a reference to the parent (for bubbling).
+ // Don't want to add a data object to cache for every parent,
+ // so checking hasElData first.
+ var elemData = hasData(elem) ? getData(elem) : {};
+ var parent = elem.parentNode || elem.ownerDocument;
+ // type = event.type || event,
+ // handler;
+
+ // If an event name was passed as a string, creates an event out of it
+ if (typeof event === 'string') {
+ event = {type: event, target: elem};
+ }
+ // Normalizes the event properties.
+ event = fixEvent(event);
+
+ // If the passed element has a dispatcher, executes the established handlers.
+ if (elemData.dispatcher) {
+ elemData.dispatcher.call(elem, event, hash);
+ }
+
+ // Unless explicitly stopped or the event does not bubble (e.g. media events)
+ // recursively calls this function to bubble the event up the DOM.
+ if (parent && !event.isPropagationStopped() && event.bubbles === true) {
+ trigger.call(null, parent, event, hash);
+
+ // If at the top of the DOM, triggers the default action unless disabled.
+ } else if (!parent && !event.defaultPrevented) {
+ var targetData = getData(event.target);
+
+ // Checks if the target has a default action for this event.
+ if (event.target[event.type]) {
+ // Temporarily disables event dispatching on the target as we have already executed the handler.
+ targetData.disabled = true;
+ // Executes the default action.
+ if (typeof event.target[event.type] === 'function') {
+ event.target[event.type]();
+ }
+ // Re-enables event dispatching.
+ targetData.disabled = false;
+ }
+ }
+
+ // Inform the triggerer if the default was prevented by returning false
+ return !event.defaultPrevented;
+ }
+
+ /**
+ * Trigger a listener only once for an event
+ *
+ * @param {Element|Object} elem
+ * Element or object to bind to.
+ *
+ * @param {string|string[]} type
+ * Name/type of event
+ *
+ * @param {Event~EventListener} fn
+ * Event Listener function
+ */
+ function one(elem, type, fn) {
+ if (Array.isArray(type)) {
+ return _handleMultipleEvents(one, elem, type, fn);
+ }
+ var func = function func() {
+ off(elem, type, func);
+ fn.apply(this, arguments);
+ };
+
+ // copy the guid to the new function so it can removed using the original function's ID
+ func.guid = fn.guid = fn.guid || newGUID();
+ on(elem, type, func);
+ }
+
+ var Events = (Object.freeze || Object)({
+ fixEvent: fixEvent,
+ on: on,
+ off: off,
+ trigger: trigger,
+ one: one
+ });
+
+ /**
+ * @file setup.js - Functions for setting up a player without
+ * user interaction based on the data-setup `attribute` of the video tag.
+ *
+ * @module setup
+ */
+ var _windowLoaded = false;
+ var videojs$2 = void 0;
+
+ /**
+ * Set up any tags that have a data-setup `attribute` when the player is started.
+ */
+ var autoSetup = function autoSetup() {
+
+ // Protect against breakage in non-browser environments.
+ if (!isReal()) {
+ return;
+ }
+
+ // One day, when we stop supporting IE8, go back to this, but in the meantime...*hack hack hack*
+ // var vids = Array.prototype.slice.call(document.getElementsByTagName('video'));
+ // var audios = Array.prototype.slice.call(document.getElementsByTagName('audio'));
+ // var mediaEls = vids.concat(audios);
+
+ // Because IE8 doesn't support calling slice on a node list, we need to loop
+ // through each list of elements to build up a new, combined list of elements.
+ var vids = document_1.getElementsByTagName('video');
+ var audios = document_1.getElementsByTagName('audio');
+ var mediaEls = [];
+
+ if (vids && vids.length > 0) {
+ for (var i = 0, e = vids.length; i < e; i++) {
+ mediaEls.push(vids[i]);
+ }
+ }
+
+ if (audios && audios.length > 0) {
+ for (var _i = 0, _e = audios.length; _i < _e; _i++) {
+ mediaEls.push(audios[_i]);
+ }
+ }
+
+ // Check if any media elements exist
+ if (mediaEls && mediaEls.length > 0) {
+
+ for (var _i2 = 0, _e2 = mediaEls.length; _i2 < _e2; _i2++) {
+ var mediaEl = mediaEls[_i2];
+
+ // Check if element exists, has getAttribute func.
+ // IE seems to consider typeof el.getAttribute == 'object' instead of
+ // 'function' like expected, at least when loading the player immediately.
+ if (mediaEl && mediaEl.getAttribute) {
+
+ // Make sure this player hasn't already been set up.
+ if (mediaEl.player === undefined) {
+ var options = mediaEl.getAttribute('data-setup');
+
+ // Check if data-setup attr exists.
+ // We only auto-setup if they've added the data-setup attr.
+ if (options !== null) {
+ // Create new video.js instance.
+ videojs$2(mediaEl);
+ }
+ }
+
+ // If getAttribute isn't defined, we need to wait for the DOM.
+ } else {
+ autoSetupTimeout(1);
+ break;
+ }
+ }
+
+ // No videos were found, so keep looping unless page is finished loading.
+ } else if (!_windowLoaded) {
+ autoSetupTimeout(1);
+ }
+ };
+
+ /**
+ * Wait until the page is loaded before running autoSetup. This will be called in
+ * autoSetup if `hasLoaded` returns false.
+ *
+ * @param {number} wait
+ * How long to wait in ms
+ *
+ * @param {module:videojs} [vjs]
+ * The videojs library function
+ */
+ function autoSetupTimeout(wait, vjs) {
+ if (vjs) {
+ videojs$2 = vjs;
+ }
+
+ window_1.setTimeout(autoSetup, wait);
+ }
+
+ if (isReal() && document_1.readyState === 'complete') {
+ _windowLoaded = true;
+ } else {
+ /**
+ * Listen for the load event on window, and set _windowLoaded to true.
+ *
+ * @listens load
+ */
+ one(window_1, 'load', function () {
+ _windowLoaded = true;
+ });
+ }
+
+ /**
+ * @file stylesheet.js
+ * @module stylesheet
+ */
+ /**
+ * Create a DOM syle element given a className for it.
+ *
+ * @param {string} className
+ * The className to add to the created style element.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ var createStyleElement = function createStyleElement(className) {
+ var style = document_1.createElement('style');
+
+ style.className = className;
+
+ return style;
+ };
+
+ /**
+ * Add text to a DOM element.
+ *
+ * @param {Element} el
+ * The Element to add text content to.
+ *
+ * @param {string} content
+ * The text to add to the element.
+ */
+ var setTextContent = function setTextContent(el, content) {
+ if (el.styleSheet) {
+ el.styleSheet.cssText = content;
+ } else {
+ el.textContent = content;
+ }
+ };
+
+ /**
+ * @file fn.js
+ * @module fn
+ */
+ /**
+ * Bind (a.k.a proxy or Context). A simple method for changing the context of a function
+ * It also stores a unique id on the function so it can be easily removed from events.
+ *
+ * @param {Mixed} context
+ * The object to bind as scope.
+ *
+ * @param {Function} fn
+ * The function to be bound to a scope.
+ *
+ * @param {number} [uid]
+ * An optional unique ID for the function to be set
+ *
+ * @return {Function}
+ * The new function that will be bound into the context given
+ */
+ var bind = function bind(context, fn, uid) {
+ // Make sure the function has a unique ID
+ if (!fn.guid) {
+ fn.guid = newGUID();
+ }
+
+ // Create the new function that changes the context
+ var bound = function bound() {
+ return fn.apply(context, arguments);
+ };
+
+ // Allow for the ability to individualize this function
+ // Needed in the case where multiple objects might share the same prototype
+ // IF both items add an event listener with the same function, then you try to remove just one
+ // it will remove both because they both have the same guid.
+ // when using this, you need to use the bind method when you remove the listener as well.
+ // currently used in text tracks
+ bound.guid = uid ? uid + '_' + fn.guid : fn.guid;
+
+ return bound;
+ };
+
+ /**
+ * Wraps the given function, `fn`, with a new function that only invokes `fn`
+ * at most once per every `wait` milliseconds.
+ *
+ * @param {Function} fn
+ * The function to be throttled.
+ *
+ * @param {Number} wait
+ * The number of milliseconds by which to throttle.
+ *
+ * @return {Function}
+ */
+ var throttle = function throttle(fn, wait) {
+ var last = Date.now();
+
+ var throttled = function throttled() {
+ var now = Date.now();
+
+ if (now - last >= wait) {
+ fn.apply(undefined, arguments);
+ last = now;
+ }
+ };
+
+ return throttled;
+ };
+
+ /**
+ * @file src/js/event-target.js
+ */
+ /**
+ * `EventTarget` is a class that can have the same API as the DOM `EventTarget`. It
+ * adds shorthand functions that wrap around lengthy functions. For example:
+ * the `on` function is a wrapper around `addEventListener`.
+ *
+ * @see [EventTarget Spec]{@link https://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-EventTarget}
+ * @class EventTarget
+ */
+ var EventTarget = function EventTarget() {
+ };
+
+ /**
+ * A Custom DOM event.
+ *
+ * @typedef {Object} EventTarget~Event
+ * @see [Properties]{@link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent}
+ */
+
+ /**
+ * All event listeners should follow the following format.
+ *
+ * @callback EventTarget~EventListener
+ * @this {EventTarget}
+ *
+ * @param {EventTarget~Event} event
+ * the event that triggered this function
+ *
+ * @param {Object} [hash]
+ * hash of data sent during the event
+ */
+
+ /**
+ * An object containing event names as keys and booleans as values.
+ *
+ * > NOTE: If an event name is set to a true value here {@link EventTarget#trigger}
+ * will have extra functionality. See that function for more information.
+ *
+ * @property EventTarget.prototype.allowedEvents_
+ * @private
+ */
+ EventTarget.prototype.allowedEvents_ = {};
+
+ /**
+ * Adds an `event listener` to an instance of an `EventTarget`. An `event listener` is a
+ * function that will get called when an event with a certain name gets triggered.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to call with `EventTarget`s
+ */
+ EventTarget.prototype.on = function (type, fn) {
+ // Remove the addEventListener alias before calling Events.on
+ // so we don't get into an infinite type loop
+ var ael = this.addEventListener;
+
+ this.addEventListener = function () {
+ };
+ on(this, type, fn);
+ this.addEventListener = ael;
+ };
+
+ /**
+ * An alias of {@link EventTarget#on}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#on}
+ */
+ EventTarget.prototype.addEventListener = EventTarget.prototype.on;
+
+ /**
+ * Removes an `event listener` for a specific event from an instance of `EventTarget`.
+ * This makes it so that the `event listener` will no longer get called when the
+ * named event happens.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to remove.
+ */
+ EventTarget.prototype.off = function (type, fn) {
+ off(this, type, fn);
+ };
+
+ /**
+ * An alias of {@link EventTarget#off}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#off}
+ */
+ EventTarget.prototype.removeEventListener = EventTarget.prototype.off;
+
+ /**
+ * This function will add an `event listener` that gets triggered only once. After the
+ * first trigger it will get removed. This is like adding an `event listener`
+ * with {@link EventTarget#on} that calls {@link EventTarget#off} on itself.
+ *
+ * @param {string|string[]} type
+ * An event name or an array of event names.
+ *
+ * @param {EventTarget~EventListener} fn
+ * The function to be called once for each event name.
+ */
+ EventTarget.prototype.one = function (type, fn) {
+ // Remove the addEventListener alialing Events.on
+ // so we don't get into an infinite type loop
+ var ael = this.addEventListener;
+
+ this.addEventListener = function () {
+ };
+ one(this, type, fn);
+ this.addEventListener = ael;
+ };
+
+ /**
+ * This function causes an event to happen. This will then cause any `event listeners`
+ * that are waiting for that event, to get called. If there are no `event listeners`
+ * for an event then nothing will happen.
+ *
+ * If the name of the `Event` that is being triggered is in `EventTarget.allowedEvents_`.
+ * Trigger will also call the `on` + `uppercaseEventName` function.
+ *
+ * Example:
+ * 'click' is in `EventTarget.allowedEvents_`, so, trigger will attempt to call
+ * `onClick` if it exists.
+ *
+ * @param {string|EventTarget~Event|Object} event
+ * The name of the event, an `Event`, or an object with a key of type set to
+ * an event name.
+ */
+ EventTarget.prototype.trigger = function (event) {
+ var type = event.type || event;
+
+ if (typeof event === 'string') {
+ event = {type: type};
+ }
+ event = fixEvent(event);
+
+ if (this.allowedEvents_[type] && this['on' + type]) {
+ this['on' + type](event);
+ }
+
+ trigger(this, event);
+ };
+
+ /**
+ * An alias of {@link EventTarget#trigger}. Allows `EventTarget` to mimic
+ * the standard DOM API.
+ *
+ * @function
+ * @see {@link EventTarget#trigger}
+ */
+ EventTarget.prototype.dispatchEvent = EventTarget.prototype.trigger;
+
+ /**
+ * @file mixins/evented.js
+ * @module evented
+ */
+ /**
+ * Returns whether or not an object has had the evented mixin applied.
+ *
+ * @param {Object} object
+ * An object to test.
+ *
+ * @return {boolean}
+ * Whether or not the object appears to be evented.
+ */
+ var isEvented = function isEvented(object) {
+ return object instanceof EventTarget || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) {
+ return typeof object[k] === 'function';
+ });
+ };
+
+ /**
+ * Whether a value is a valid event type - non-empty string or array.
+ *
+ * @private
+ * @param {string|Array} type
+ * The type value to test.
+ *
+ * @return {boolean}
+ * Whether or not the type is a valid event type.
+ */
+ var isValidEventType = function isValidEventType(type) {
+ return (
+ // The regex here verifies that the `type` contains at least one non-
+ // whitespace character.
+ typeof type === 'string' && /\S/.test(type) || Array.isArray(type) && !!type.length
+ );
+ };
+
+ /**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the target does not appear to be a valid event target.
+ *
+ * @param {Object} target
+ * The object to test.
+ */
+ var validateTarget = function validateTarget(target) {
+ if (!target.nodeName && !isEvented(target)) {
+ throw new Error('Invalid target; must be a DOM node or evented object.');
+ }
+ };
+
+ /**
+ * Validates a value to determine if it is a valid event target. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the type does not appear to be a valid event type.
+ *
+ * @param {string|Array} type
+ * The type to test.
+ */
+ var validateEventType = function validateEventType(type) {
+ if (!isValidEventType(type)) {
+ throw new Error('Invalid event type; must be a non-empty string or array.');
+ }
+ };
+
+ /**
+ * Validates a value to determine if it is a valid listener. Throws if not.
+ *
+ * @private
+ * @throws {Error}
+ * If the listener is not a function.
+ *
+ * @param {Function} listener
+ * The listener to test.
+ */
+ var validateListener = function validateListener(listener) {
+ if (typeof listener !== 'function') {
+ throw new Error('Invalid listener; must be a function.');
+ }
+ };
+
+ /**
+ * Takes an array of arguments given to `on()` or `one()`, validates them, and
+ * normalizes them into an object.
+ *
+ * @private
+ * @param {Object} self
+ * The evented object on which `on()` or `one()` was called. This
+ * object will be bound as the `this` value for the listener.
+ *
+ * @param {Array} args
+ * An array of arguments passed to `on()` or `one()`.
+ *
+ * @return {Object}
+ * An object containing useful values for `on()` or `one()` calls.
+ */
+ var normalizeListenArgs = function normalizeListenArgs(self, args) {
+
+ // If the number of arguments is less than 3, the target is always the
+ // evented object itself.
+ var isTargetingSelf = args.length < 3 || args[0] === self || args[0] === self.eventBusEl_;
+ var target = void 0;
+ var type = void 0;
+ var listener = void 0;
+
+ if (isTargetingSelf) {
+ target = self.eventBusEl_;
+
+ // Deal with cases where we got 3 arguments, but we are still listening to
+ // the evented object itself.
+ if (args.length >= 3) {
+ args.shift();
+ }
+
+ type = args[0];
+ listener = args[1];
+ } else {
+ target = args[0];
+ type = args[1];
+ listener = args[2];
+ }
+
+ validateTarget(target);
+ validateEventType(type);
+ validateListener(listener);
+
+ listener = bind(self, listener);
+
+ return {isTargetingSelf: isTargetingSelf, target: target, type: type, listener: listener};
+ };
+
+ /**
+ * Adds the listener to the event type(s) on the target, normalizing for
+ * the type of target.
+ *
+ * @private
+ * @param {Element|Object} target
+ * A DOM node or evented object.
+ *
+ * @param {string} method
+ * The event binding method to use ("on" or "one").
+ *
+ * @param {string|Array} type
+ * One or more event type(s).
+ *
+ * @param {Function} listener
+ * A listener function.
+ */
+ var listen = function listen(target, method, type, listener) {
+ validateTarget(target);
+
+ if (target.nodeName) {
+ Events[method](target, type, listener);
+ } else {
+ target[method](type, listener);
+ }
+ };
+
+ /**
+ * Contains methods that provide event capabilites to an object which is passed
+ * to {@link module:evented|evented}.
+ *
+ * @mixin EventedMixin
+ */
+ var EventedMixin = {
+
+ /**
+ * Add a listener to an event (or events) on this object or another evented
+ * object.
+ *
+ * @param {string|Array|Element|Object} targetOrType
+ * If this is a string or array, it represents the event type(s)
+ * that will trigger the listener.
+ *
+ * Another evented object can be passed here instead, which will
+ * cause the listener to listen for events on _that_ object.
+ *
+ * In either case, the listener's `this` value will be bound to
+ * this object.
+ *
+ * @param {string|Array|Function} typeOrListener
+ * If the first argument was a string or array, this should be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function.
+ */
+ on: function on$$1() {
+ var _this = this;
+
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ var _normalizeListenArgs = normalizeListenArgs(this, args),
+ isTargetingSelf = _normalizeListenArgs.isTargetingSelf,
+ target = _normalizeListenArgs.target,
+ type = _normalizeListenArgs.type,
+ listener = _normalizeListenArgs.listener;
+
+ listen(target, 'on', type, listener);
+
+ // If this object is listening to another evented object.
+ if (!isTargetingSelf) {
+
+ // If this object is disposed, remove the listener.
+ var removeListenerOnDispose = function removeListenerOnDispose() {
+ return _this.off(target, type, listener);
+ };
+
+ // Use the same function ID as the listener so we can remove it later it
+ // using the ID of the original listener.
+ removeListenerOnDispose.guid = listener.guid;
+
+ // Add a listener to the target's dispose event as well. This ensures
+ // that if the target is disposed BEFORE this object, we remove the
+ // removal listener that was just added. Otherwise, we create a memory leak.
+ var removeRemoverOnTargetDispose = function removeRemoverOnTargetDispose() {
+ return _this.off('dispose', removeListenerOnDispose);
+ };
+
+ // Use the same function ID as the listener so we can remove it later
+ // it using the ID of the original listener.
+ removeRemoverOnTargetDispose.guid = listener.guid;
+
+ listen(this, 'on', 'dispose', removeListenerOnDispose);
+ listen(target, 'on', 'dispose', removeRemoverOnTargetDispose);
+ }
+ },
+
+
+ /**
+ * Add a listener to an event (or events) on this object or another evented
+ * object. The listener will only be called once and then removed.
+ *
+ * @param {string|Array|Element|Object} targetOrType
+ * If this is a string or array, it represents the event type(s)
+ * that will trigger the listener.
+ *
+ * Another evented object can be passed here instead, which will
+ * cause the listener to listen for events on _that_ object.
+ *
+ * In either case, the listener's `this` value will be bound to
+ * this object.
+ *
+ * @param {string|Array|Function} typeOrListener
+ * If the first argument was a string or array, this should be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function.
+ */
+ one: function one$$1() {
+ var _this2 = this;
+
+ for (var _len2 = arguments.length, args = Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+ args[_key2] = arguments[_key2];
+ }
+
+ var _normalizeListenArgs2 = normalizeListenArgs(this, args),
+ isTargetingSelf = _normalizeListenArgs2.isTargetingSelf,
+ target = _normalizeListenArgs2.target,
+ type = _normalizeListenArgs2.type,
+ listener = _normalizeListenArgs2.listener;
+
+ // Targeting this evented object.
+
+
+ if (isTargetingSelf) {
+ listen(target, 'one', type, listener);
+
+ // Targeting another evented object.
+ } else {
+ var wrapper = function wrapper() {
+ for (var _len3 = arguments.length, largs = Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
+ largs[_key3] = arguments[_key3];
+ }
+
+ _this2.off(target, type, wrapper);
+ listener.apply(null, largs);
+ };
+
+ // Use the same function ID as the listener so we can remove it later
+ // it using the ID of the original listener.
+ wrapper.guid = listener.guid;
+ listen(target, 'one', type, wrapper);
+ }
+ },
+
+
+ /**
+ * Removes listener(s) from event(s) on an evented object.
+ *
+ * @param {string|Array|Element|Object} [targetOrType]
+ * If this is a string or array, it represents the event type(s).
+ *
+ * Another evented object can be passed here instead, in which case
+ * ALL 3 arguments are _required_.
+ *
+ * @param {string|Array|Function} [typeOrListener]
+ * If the first argument was a string or array, this may be the
+ * listener function. Otherwise, this is a string or array of event
+ * type(s).
+ *
+ * @param {Function} [listener]
+ * If the first argument was another evented object, this will be
+ * the listener function; otherwise, _all_ listeners bound to the
+ * event type(s) will be removed.
+ */
+ off: function off$$1(targetOrType, typeOrListener, listener) {
+
+ // Targeting this evented object.
+ if (!targetOrType || isValidEventType(targetOrType)) {
+ off(this.eventBusEl_, targetOrType, typeOrListener);
+
+ // Targeting another evented object.
+ } else {
+ var target = targetOrType;
+ var type = typeOrListener;
+
+ // Fail fast and in a meaningful way!
+ validateTarget(target);
+ validateEventType(type);
+ validateListener(listener);
+
+ // Ensure there's at least a guid, even if the function hasn't been used
+ listener = bind(this, listener);
+
+ // Remove the dispose listener on this evented object, which was given
+ // the same guid as the event listener in on().
+ this.off('dispose', listener);
+
+ if (target.nodeName) {
+ off(target, type, listener);
+ off(target, 'dispose', listener);
+ } else if (isEvented(target)) {
+ target.off(type, listener);
+ target.off('dispose', listener);
+ }
+ }
+ },
+
+
+ /**
+ * Fire an event on this evented object, causing its listeners to be called.
+ *
+ * @param {string|Object} event
+ * An event type or an object with a type property.
+ *
+ * @param {Object} [hash]
+ * An additional object to pass along to listeners.
+ *
+ * @returns {boolean}
+ * Whether or not the default behavior was prevented.
+ */
+ trigger: function trigger$$1(event, hash) {
+ return trigger(this.eventBusEl_, event, hash);
+ }
+ };
+
+ /**
+ * Applies {@link module:evented~EventedMixin|EventedMixin} to a target object.
+ *
+ * @param {Object} target
+ * The object to which to add event methods.
+ *
+ * @param {Object} [options={}]
+ * Options for customizing the mixin behavior.
+ *
+ * @param {String} [options.eventBusKey]
+ * By default, adds a `eventBusEl_` DOM element to the target object,
+ * which is used as an event bus. If the target object already has a
+ * DOM element that should be used, pass its key here.
+ *
+ * @return {Object}
+ * The target object.
+ */
+ function evented(target) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var eventBusKey = options.eventBusKey;
+
+ // Set or create the eventBusEl_.
+
+ if (eventBusKey) {
+ if (!target[eventBusKey].nodeName) {
+ throw new Error('The eventBusKey "' + eventBusKey + '" does not refer to an element.');
+ }
+ target.eventBusEl_ = target[eventBusKey];
+ } else {
+ target.eventBusEl_ = createEl('span', {className: 'vjs-event-bus'});
+ }
+
+ assign(target, EventedMixin);
+
+ // When any evented object is disposed, it removes all its listeners.
+ target.on('dispose', function () {
+ return target.off();
+ });
+
+ return target;
+ }
+
+ /**
+ * @file mixins/stateful.js
+ * @module stateful
+ */
+ /**
+ * Contains methods that provide statefulness to an object which is passed
+ * to {@link module:stateful}.
+ *
+ * @mixin StatefulMixin
+ */
+ var StatefulMixin = {
+
+ /**
+ * A hash containing arbitrary keys and values representing the state of
+ * the object.
+ *
+ * @type {Object}
+ */
+ state: {},
+
+ /**
+ * Set the state of an object by mutating its
+ * {@link module:stateful~StatefulMixin.state|state} object in place.
+ *
+ * @fires module:stateful~StatefulMixin#statechanged
+ * @param {Object|Function} stateUpdates
+ * A new set of properties to shallow-merge into the plugin state.
+ * Can be a plain object or a function returning a plain object.
+ *
+ * @returns {Object|undefined}
+ * An object containing changes that occurred. If no changes
+ * occurred, returns `undefined`.
+ */
+ setState: function setState(stateUpdates) {
+ var _this = this;
+
+ // Support providing the `stateUpdates` state as a function.
+ if (typeof stateUpdates === 'function') {
+ stateUpdates = stateUpdates();
+ }
+
+ var changes = void 0;
+
+ each(stateUpdates, function (value, key) {
+
+ // Record the change if the value is different from what's in the
+ // current state.
+ if (_this.state[key] !== value) {
+ changes = changes || {};
+ changes[key] = {
+ from: _this.state[key],
+ to: value
+ };
+ }
+
+ _this.state[key] = value;
+ });
+
+ // Only trigger "statechange" if there were changes AND we have a trigger
+ // function. This allows us to not require that the target object be an
+ // evented object.
+ if (changes && isEvented(this)) {
+
+ /**
+ * An event triggered on an object that is both
+ * {@link module:stateful|stateful} and {@link module:evented|evented}
+ * indicating that its state has changed.
+ *
+ * @event module:stateful~StatefulMixin#statechanged
+ * @type {Object}
+ * @property {Object} changes
+ * A hash containing the properties that were changed and
+ * the values they were changed `from` and `to`.
+ */
+ this.trigger({
+ changes: changes,
+ type: 'statechanged'
+ });
+ }
+
+ return changes;
+ }
+ };
+
+ /**
+ * Applies {@link module:stateful~StatefulMixin|StatefulMixin} to a target
+ * object.
+ *
+ * If the target object is {@link module:evented|evented} and has a
+ * `handleStateChanged` method, that method will be automatically bound to the
+ * `statechanged` event on itself.
+ *
+ * @param {Object} target
+ * The object to be made stateful.
+ *
+ * @param {Object} [defaultState]
+ * A default set of properties to populate the newly-stateful object's
+ * `state` property.
+ *
+ * @returns {Object}
+ * Returns the `target`.
+ */
+ function stateful(target, defaultState) {
+ assign(target, StatefulMixin);
+
+ // This happens after the mixing-in because we need to replace the `state`
+ // added in that step.
+ target.state = assign({}, target.state, defaultState);
+
+ // Auto-bind the `handleStateChanged` method of the target object if it exists.
+ if (typeof target.handleStateChanged === 'function' && isEvented(target)) {
+ target.on('statechanged', target.handleStateChanged);
+ }
+
+ return target;
+ }
+
+ /**
+ * @file to-title-case.js
+ * @module to-title-case
+ */
+
+ /**
+ * Uppercase the first letter of a string.
+ *
+ * @param {string} string
+ * String to be uppercased
+ *
+ * @return {string}
+ * The string with an uppercased first letter
+ */
+ function toTitleCase(string) {
+ if (typeof string !== 'string') {
+ return string;
+ }
+
+ return string.charAt(0).toUpperCase() + string.slice(1);
+ }
+
+ /**
+ * Compares the TitleCase versions of the two strings for equality.
+ *
+ * @param {string} str1
+ * The first string to compare
+ *
+ * @param {string} str2
+ * The second string to compare
+ *
+ * @return {boolean}
+ * Whether the TitleCase versions of the strings are equal
+ */
+ function titleCaseEquals(str1, str2) {
+ return toTitleCase(str1) === toTitleCase(str2);
+ }
+
+ /**
+ * @file merge-options.js
+ * @module merge-options
+ */
+ /**
+ * Deep-merge one or more options objects, recursively merging **only** plain
+ * object properties.
+ *
+ * @param {Object[]} sources
+ * One or more objects to merge into a new object.
+ *
+ * @returns {Object}
+ * A new object that is the merged result of all sources.
+ */
+ function mergeOptions() {
+ var result = {};
+
+ for (var _len = arguments.length, sources = Array(_len), _key = 0; _key < _len; _key++) {
+ sources[_key] = arguments[_key];
+ }
+
+ sources.forEach(function (source) {
+ if (!source) {
+ return;
+ }
+
+ each(source, function (value, key) {
+ if (!isPlain(value)) {
+ result[key] = value;
+ return;
+ }
+
+ if (!isPlain(result[key])) {
+ result[key] = {};
+ }
+
+ result[key] = mergeOptions(result[key], value);
+ });
+ });
+
+ return result;
+ }
+
+ /**
+ * Player Component - Base class for all UI objects
+ *
+ * @file component.js
+ */
+ /**
+ * Base class for all UI Components.
+ * Components are UI objects which represent both a javascript object and an element
+ * in the DOM. They can be children of other components, and can have
+ * children themselves.
+ *
+ * Components can also use methods from {@link EventTarget}
+ */
+
+ var Component = function () {
+
+ /**
+ * A callback that is called when a component is ready. Does not have any
+ * paramters and any callback value will be ignored.
+ *
+ * @callback Component~ReadyCallback
+ * @this Component
+ */
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Object[]} [options.children]
+ * An array of children objects to intialize this component with. Children objects have
+ * a name property that will be used if more than one component of the same type needs to be
+ * added.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Function that gets called when the `Component` is ready.
+ */
+ function Component(player, options, ready) {
+ classCallCheck(this, Component);
+
+
+ // The component might be the player itself and we can't pass `this` to super
+ if (!player && this.play) {
+ this.player_ = player = this; // eslint-disable-line
+ } else {
+ this.player_ = player;
+ }
+
+ // Make a copy of prototype.options_ to protect against overriding defaults
+ this.options_ = mergeOptions({}, this.options_);
+
+ // Updated options with supplied options
+ options = this.options_ = mergeOptions(this.options_, options);
+
+ // Get ID from options or options element if one is supplied
+ this.id_ = options.id || options.el && options.el.id;
+
+ // If there was no ID from the options, generate one
+ if (!this.id_) {
+ // Don't require the player ID function in the case of mock players
+ var id = player && player.id && player.id() || 'no_player';
+
+ this.id_ = id + '_component_' + newGUID();
+ }
+
+ this.name_ = options.name || null;
+
+ // Create element if one wasn't provided in options
+ if (options.el) {
+ this.el_ = options.el;
+ } else if (options.createEl !== false) {
+ this.el_ = this.createEl();
+ }
+
+ // Make this an evented object and use `el_`, if available, as its event bus
+ evented(this, {eventBusKey: this.el_ ? 'el_' : null});
+ stateful(this, this.constructor.defaultState);
+
+ this.children_ = [];
+ this.childIndex_ = {};
+ this.childNameIndex_ = {};
+
+ // Add any child components in options
+ if (options.initChildren !== false) {
+ this.initChildren();
+ }
+
+ this.ready(ready);
+ // Don't want to trigger ready here or it will before init is actually
+ // finished for all children that run this constructor
+
+ if (options.reportTouchActivity !== false) {
+ this.enableTouchActivity();
+ }
+ }
+
+ /**
+ * Dispose of the `Component` and all child components.
+ *
+ * @fires Component#dispose
+ */
+
+
+ Component.prototype.dispose = function dispose() {
+
+ /**
+ * Triggered when a `Component` is disposed.
+ *
+ * @event Component#dispose
+ * @type {EventTarget~Event}
+ *
+ * @property {boolean} [bubbles=false]
+ * set to false so that the close event does not
+ * bubble up
+ */
+ this.trigger({type: 'dispose', bubbles: false});
+
+ // Dispose all children.
+ if (this.children_) {
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i].dispose) {
+ this.children_[i].dispose();
+ }
+ }
+ }
+
+ // Delete child references
+ this.children_ = null;
+ this.childIndex_ = null;
+ this.childNameIndex_ = null;
+
+ if (this.el_) {
+ // Remove element from DOM
+ if (this.el_.parentNode) {
+ this.el_.parentNode.removeChild(this.el_);
+ }
+
+ removeData(this.el_);
+ this.el_ = null;
+ }
+ };
+
+ /**
+ * Return the {@link Player} that the `Component` has attached to.
+ *
+ * @return {Player}
+ * The player that this `Component` has attached to.
+ */
+
+
+ Component.prototype.player = function player() {
+ return this.player_;
+ };
+
+ /**
+ * Deep merge of options objects with new options.
+ * > Note: When both `obj` and `options` contain properties whose values are objects.
+ * The two properties get merged using {@link module:mergeOptions}
+ *
+ * @param {Object} obj
+ * The object that contains new options.
+ *
+ * @return {Object}
+ * A new object of `this.options_` and `obj` merged together.
+ *
+ * @deprecated since version 5
+ */
+
+
+ Component.prototype.options = function options(obj) {
+ log$1.warn('this.options() has been deprecated and will be moved to the constructor in 6.0');
+
+ if (!obj) {
+ return this.options_;
+ }
+
+ this.options_ = mergeOptions(this.options_, obj);
+ return this.options_;
+ };
+
+ /**
+ * Get the `Component`s DOM element
+ *
+ * @return {Element}
+ * The DOM element for this `Component`.
+ */
+
+
+ Component.prototype.el = function el() {
+ return this.el_;
+ };
+
+ /**
+ * Create the `Component`s DOM element.
+ *
+ * @param {string} [tagName]
+ * Element's DOM node type. e.g. 'div'
+ *
+ * @param {Object} [properties]
+ * An object of properties that should be set.
+ *
+ * @param {Object} [attributes]
+ * An object of attributes that should be set.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ Component.prototype.createEl = function createEl$$1(tagName, properties, attributes) {
+ return createEl(tagName, properties, attributes);
+ };
+
+ /**
+ * Localize a string given the string in english.
+ *
+ * If tokens are provided, it'll try and run a simple token replacement on the provided string.
+ * The tokens it loooks for look like `{1}` with the index being 1-indexed into the tokens array.
+ *
+ * If a `defaultValue` is provided, it'll use that over `string`,
+ * if a value isn't found in provided language files.
+ * This is useful if you want to have a descriptive key for token replacement
+ * but have a succinct localized string and not require `en.json` to be included.
+ *
+ * Currently, it is used for the progress bar timing.
+ * ```js
+ * {
+ * "progress bar timing: currentTime={1} duration={2}": "{1} of {2}"
+ * }
+ * ```
+ * It is then used like so:
+ * ```js
+ * this.localize('progress bar timing: currentTime={1} duration{2}',
+ * [this.player_.currentTime(), this.player_.duration()],
+ * '{1} of {2}');
+ * ```
+ *
+ * Which outputs something like: `01:23 of 24:56`.
+ *
+ *
+ * @param {string} string
+ * The string to localize and the key to lookup in the language files.
+ * @param {string[]} [tokens]
+ * If the current item has token replacements, provide the tokens here.
+ * @param {string} [defaultValue]
+ * Defaults to `string`. Can be a default value to use for token replacement
+ * if the lookup key is needed to be separate.
+ *
+ * @return {string}
+ * The localized string or if no localization exists the english string.
+ */
+
+
+ Component.prototype.localize = function localize(string, tokens) {
+ var defaultValue = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : string;
+
+ var code = this.player_.language && this.player_.language();
+ var languages = this.player_.languages && this.player_.languages();
+ var language = languages && languages[code];
+ var primaryCode = code && code.split('-')[0];
+ var primaryLang = languages && languages[primaryCode];
+
+ var localizedString = defaultValue;
+
+ if (language && language[string]) {
+ localizedString = language[string];
+ } else if (primaryLang && primaryLang[string]) {
+ localizedString = primaryLang[string];
+ }
+
+ if (tokens) {
+ localizedString = localizedString.replace(/\{(\d+)\}/g, function (match, index) {
+ var value = tokens[index - 1];
+ var ret = value;
+
+ if (typeof value === 'undefined') {
+ ret = match;
+ }
+
+ return ret;
+ });
+ }
+
+ return localizedString;
+ };
+
+ /**
+ * Return the `Component`s DOM element. This is where children get inserted.
+ * This will usually be the the same as the element returned in {@link Component#el}.
+ *
+ * @return {Element}
+ * The content element for this `Component`.
+ */
+
+
+ Component.prototype.contentEl = function contentEl() {
+ return this.contentEl_ || this.el_;
+ };
+
+ /**
+ * Get this `Component`s ID
+ *
+ * @return {string}
+ * The id of this `Component`
+ */
+
+
+ Component.prototype.id = function id() {
+ return this.id_;
+ };
+
+ /**
+ * Get the `Component`s name. The name gets used to reference the `Component`
+ * and is set during registration.
+ *
+ * @return {string}
+ * The name of this `Component`.
+ */
+
+
+ Component.prototype.name = function name() {
+ return this.name_;
+ };
+
+ /**
+ * Get an array of all child components
+ *
+ * @return {Array}
+ * The children
+ */
+
+
+ Component.prototype.children = function children() {
+ return this.children_;
+ };
+
+ /**
+ * Returns the child `Component` with the given `id`.
+ *
+ * @param {string} id
+ * The id of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `id` or undefined.
+ */
+
+
+ Component.prototype.getChildById = function getChildById(id) {
+ return this.childIndex_[id];
+ };
+
+ /**
+ * Returns the child `Component` with the given `name`.
+ *
+ * @param {string} name
+ * The name of the child `Component` to get.
+ *
+ * @return {Component|undefined}
+ * The child `Component` with the given `name` or undefined.
+ */
+
+
+ Component.prototype.getChild = function getChild(name) {
+ if (!name) {
+ return;
+ }
+
+ name = toTitleCase(name);
+
+ return this.childNameIndex_[name];
+ };
+
+ /**
+ * Add a child `Component` inside the current `Component`.
+ *
+ *
+ * @param {string|Component} child
+ * The name or instance of a child to add.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of options that will get passed to children of
+ * the child.
+ *
+ * @param {number} [index=this.children_.length]
+ * The index to attempt to add a child into.
+ *
+ * @return {Component}
+ * The `Component` that gets added as a child. When using a string the
+ * `Component` will get created by this process.
+ */
+
+
+ Component.prototype.addChild = function addChild(child) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var index = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.children_.length;
+
+ var component = void 0;
+ var componentName = void 0;
+
+ // If child is a string, create component with options
+ if (typeof child === 'string') {
+ componentName = toTitleCase(child);
+
+ var componentClassName = options.componentClass || componentName;
+
+ // Set name through options
+ options.name = componentName;
+
+ // Create a new object & element for this controls set
+ // If there's no .player_, this is a player
+ var ComponentClass = Component.getComponent(componentClassName);
+
+ if (!ComponentClass) {
+ throw new Error('Component ' + componentClassName + ' does not exist');
+ }
+
+ // data stored directly on the videojs object may be
+ // misidentified as a component to retain
+ // backwards-compatibility with 4.x. check to make sure the
+ // component class can be instantiated.
+ if (typeof ComponentClass !== 'function') {
+ return null;
+ }
+
+ component = new ComponentClass(this.player_ || this, options);
+
+ // child is a component instance
+ } else {
+ component = child;
+ }
+
+ this.children_.splice(index, 0, component);
+
+ if (typeof component.id === 'function') {
+ this.childIndex_[component.id()] = component;
+ }
+
+ // If a name wasn't used to create the component, check if we can use the
+ // name function of the component
+ componentName = componentName || component.name && toTitleCase(component.name());
+
+ if (componentName) {
+ this.childNameIndex_[componentName] = component;
+ }
+
+ // Add the UI object's element to the container div (box)
+ // Having an element is not required
+ if (typeof component.el === 'function' && component.el()) {
+ var childNodes = this.contentEl().children;
+ var refNode = childNodes[index] || null;
+
+ this.contentEl().insertBefore(component.el(), refNode);
+ }
+
+ // Return so it can stored on parent object if desired.
+ return component;
+ };
+
+ /**
+ * Remove a child `Component` from this `Component`s list of children. Also removes
+ * the child `Component`s element from this `Component`s element.
+ *
+ * @param {Component} component
+ * The child `Component` to remove.
+ */
+
+
+ Component.prototype.removeChild = function removeChild(component) {
+ if (typeof component === 'string') {
+ component = this.getChild(component);
+ }
+
+ if (!component || !this.children_) {
+ return;
+ }
+
+ var childFound = false;
+
+ for (var i = this.children_.length - 1; i >= 0; i--) {
+ if (this.children_[i] === component) {
+ childFound = true;
+ this.children_.splice(i, 1);
+ break;
+ }
+ }
+
+ if (!childFound) {
+ return;
+ }
+
+ this.childIndex_[component.id()] = null;
+ this.childNameIndex_[component.name()] = null;
+
+ var compEl = component.el();
+
+ if (compEl && compEl.parentNode === this.contentEl()) {
+ this.contentEl().removeChild(component.el());
+ }
+ };
+
+ /**
+ * Add and initialize default child `Component`s based upon options.
+ */
+
+
+ Component.prototype.initChildren = function initChildren() {
+ var _this = this;
+
+ var children = this.options_.children;
+
+ if (children) {
+ // `this` is `parent`
+ var parentOptions = this.options_;
+
+ var handleAdd = function handleAdd(child) {
+ var name = child.name;
+ var opts = child.opts;
+
+ // Allow options for children to be set at the parent options
+ // e.g. videojs(id, { controlBar: false });
+ // instead of videojs(id, { children: { controlBar: false });
+ if (parentOptions[name] !== undefined) {
+ opts = parentOptions[name];
+ }
+
+ // Allow for disabling default components
+ // e.g. options['children']['posterImage'] = false
+ if (opts === false) {
+ return;
+ }
+
+ // Allow options to be passed as a simple boolean if no configuration
+ // is necessary.
+ if (opts === true) {
+ opts = {};
+ }
+
+ // We also want to pass the original player options
+ // to each component as well so they don't need to
+ // reach back into the player for options later.
+ opts.playerOptions = _this.options_.playerOptions;
+
+ // Create and add the child component.
+ // Add a direct reference to the child by name on the parent instance.
+ // If two of the same component are used, different names should be supplied
+ // for each
+ var newChild = _this.addChild(name, opts);
+
+ if (newChild) {
+ _this[name] = newChild;
+ }
+ };
+
+ // Allow for an array of children details to passed in the options
+ var workingChildren = void 0;
+ var Tech = Component.getComponent('Tech');
+
+ if (Array.isArray(children)) {
+ workingChildren = children;
+ } else {
+ workingChildren = Object.keys(children);
+ }
+
+ workingChildren
+ // children that are in this.options_ but also in workingChildren would
+ // give us extra children we do not want. So, we want to filter them out.
+ .concat(Object.keys(this.options_).filter(function (child) {
+ return !workingChildren.some(function (wchild) {
+ if (typeof wchild === 'string') {
+ return child === wchild;
+ }
+ return child === wchild.name;
+ });
+ })).map(function (child) {
+ var name = void 0;
+ var opts = void 0;
+
+ if (typeof child === 'string') {
+ name = child;
+ opts = children[name] || _this.options_[name] || {};
+ } else {
+ name = child.name;
+ opts = child;
+ }
+
+ return {name: name, opts: opts};
+ }).filter(function (child) {
+ // we have to make sure that child.name isn't in the techOrder since
+ // techs are registerd as Components but can't aren't compatible
+ // See https://github.com/videojs/video.js/issues/2772
+ var c = Component.getComponent(child.opts.componentClass || toTitleCase(child.name));
+
+ return c && !Tech.isTech(c);
+ }).forEach(handleAdd);
+ }
+ };
+
+ /**
+ * Builds the default DOM class name. Should be overriden by sub-components.
+ *
+ * @return {string}
+ * The DOM class name for this object.
+ *
+ * @abstract
+ */
+
+
+ Component.prototype.buildCSSClass = function buildCSSClass() {
+ // Child classes can include a function that does:
+ // return 'CLASS NAME' + this._super();
+ return '';
+ };
+
+ /**
+ * Bind a listener to the component's ready state.
+ * Different from event listeners in that if the ready event has already happened
+ * it will trigger the function immediately.
+ *
+ * @return {Component}
+ * Returns itself; method can be chained.
+ */
+
+
+ Component.prototype.ready = function ready(fn) {
+ var sync = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+
+ if (!fn) {
+ return;
+ }
+
+ if (!this.isReady_) {
+ this.readyQueue_ = this.readyQueue_ || [];
+ this.readyQueue_.push(fn);
+ return;
+ }
+
+ if (sync) {
+ fn.call(this);
+ } else {
+ // Call the function asynchronously by default for consistency
+ this.setTimeout(fn, 1);
+ }
+ };
+
+ /**
+ * Trigger all the ready listeners for this `Component`.
+ *
+ * @fires Component#ready
+ */
+
+
+ Component.prototype.triggerReady = function triggerReady() {
+ this.isReady_ = true;
+
+ // Ensure ready is triggerd asynchronously
+ this.setTimeout(function () {
+ var readyQueue = this.readyQueue_;
+
+ // Reset Ready Queue
+ this.readyQueue_ = [];
+
+ if (readyQueue && readyQueue.length > 0) {
+ readyQueue.forEach(function (fn) {
+ fn.call(this);
+ }, this);
+ }
+
+ // Allow for using event listeners also
+ /**
+ * Triggered when a `Component` is ready.
+ *
+ * @event Component#ready
+ * @type {EventTarget~Event}
+ */
+ this.trigger('ready');
+ }, 1);
+ };
+
+ /**
+ * Find a single DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelector`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {Element|null}
+ * the dom element that was found, or null
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+
+
+ Component.prototype.$ = function $$$1(selector, context) {
+ return $(selector, context || this.contentEl());
+ };
+
+ /**
+ * Finds all DOM element matching a `selector`. This can be within the `Component`s
+ * `contentEl()` or another custom context.
+ *
+ * @param {string} selector
+ * A valid CSS selector, which will be passed to `querySelectorAll`.
+ *
+ * @param {Element|string} [context=this.contentEl()]
+ * A DOM element within which to query. Can also be a selector string in
+ * which case the first matching element will get used as context. If
+ * missing `this.contentEl()` gets used. If `this.contentEl()` returns
+ * nothing it falls back to `document`.
+ *
+ * @return {NodeList}
+ * a list of dom elements that were found
+ *
+ * @see [Information on CSS Selectors](https://developer.mozilla.org/en-US/docs/Web/Guide/CSS/Getting_Started/Selectors)
+ */
+
+
+ Component.prototype.$$ = function $$$$1(selector, context) {
+ return $$(selector, context || this.contentEl());
+ };
+
+ /**
+ * Check if a component's element has a CSS class name.
+ *
+ * @param {string} classToCheck
+ * CSS class name to check.
+ *
+ * @return {boolean}
+ * - True if the `Component` has the class.
+ * - False if the `Component` does not have the class`
+ */
+
+
+ Component.prototype.hasClass = function hasClass$$1(classToCheck) {
+ return hasClass(this.el_, classToCheck);
+ };
+
+ /**
+ * Add a CSS class name to the `Component`s element.
+ *
+ * @param {string} classToAdd
+ * CSS class name to add
+ */
+
+
+ Component.prototype.addClass = function addClass$$1(classToAdd) {
+ addClass(this.el_, classToAdd);
+ };
+
+ /**
+ * Remove a CSS class name from the `Component`s element.
+ *
+ * @param {string} classToRemove
+ * CSS class name to remove
+ */
+
+
+ Component.prototype.removeClass = function removeClass$$1(classToRemove) {
+ removeClass(this.el_, classToRemove);
+ };
+
+ /**
+ * Add or remove a CSS class name from the component's element.
+ * - `classToToggle` gets added when {@link Component#hasClass} would return false.
+ * - `classToToggle` gets removed when {@link Component#hasClass} would return true.
+ *
+ * @param {string} classToToggle
+ * The class to add or remove based on (@link Component#hasClass}
+ *
+ * @param {boolean|Dom~predicate} [predicate]
+ * An {@link Dom~predicate} function or a boolean
+ */
+
+
+ Component.prototype.toggleClass = function toggleClass$$1(classToToggle, predicate) {
+ toggleClass(this.el_, classToToggle, predicate);
+ };
+
+ /**
+ * Show the `Component`s element if it is hidden by removing the
+ * 'vjs-hidden' class name from it.
+ */
+
+
+ Component.prototype.show = function show() {
+ this.removeClass('vjs-hidden');
+ };
+
+ /**
+ * Hide the `Component`s element if it is currently showing by adding the
+ * 'vjs-hidden` class name to it.
+ */
+
+
+ Component.prototype.hide = function hide() {
+ this.addClass('vjs-hidden');
+ };
+
+ /**
+ * Lock a `Component`s element in its visible state by adding the 'vjs-lock-showing'
+ * class name to it. Used during fadeIn/fadeOut.
+ *
+ * @private
+ */
+
+
+ Component.prototype.lockShowing = function lockShowing() {
+ this.addClass('vjs-lock-showing');
+ };
+
+ /**
+ * Unlock a `Component`s element from its visible state by removing the 'vjs-lock-showing'
+ * class name from it. Used during fadeIn/fadeOut.
+ *
+ * @private
+ */
+
+
+ Component.prototype.unlockShowing = function unlockShowing() {
+ this.removeClass('vjs-lock-showing');
+ };
+
+ /**
+ * Get the value of an attribute on the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to get the value from.
+ *
+ * @return {string|null}
+ * - The value of the attribute that was asked for.
+ * - Can be an empty string on some browsers if the attribute does not exist
+ * or has no value
+ * - Most browsers will return null if the attibute does not exist or has
+ * no value.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/getAttribute}
+ */
+
+
+ Component.prototype.getAttribute = function getAttribute$$1(attribute) {
+ return getAttribute(this.el_, attribute);
+ };
+
+ /**
+ * Set the value of an attribute on the `Component`'s element
+ *
+ * @param {string} attribute
+ * Name of the attribute to set.
+ *
+ * @param {string} value
+ * Value to set the attribute to.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/setAttribute}
+ */
+
+
+ Component.prototype.setAttribute = function setAttribute$$1(attribute, value) {
+ setAttribute(this.el_, attribute, value);
+ };
+
+ /**
+ * Remove an attribute from the `Component`s element.
+ *
+ * @param {string} attribute
+ * Name of the attribute to remove.
+ *
+ * @see [DOM API]{@link https://developer.mozilla.org/en-US/docs/Web/API/Element/removeAttribute}
+ */
+
+
+ Component.prototype.removeAttribute = function removeAttribute$$1(attribute) {
+ removeAttribute(this.el_, attribute);
+ };
+
+ /**
+ * Get or set the width of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The width that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the componentresize event trigger
+ *
+ * @return {number|string}
+ * The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ */
+
+
+ Component.prototype.width = function width(num, skipListeners) {
+ return this.dimension('width', num, skipListeners);
+ };
+
+ /**
+ * Get or set the height of the component based upon the CSS styles.
+ * See {@link Component#dimension} for more detailed information.
+ *
+ * @param {number|string} [num]
+ * The height that you want to set postfixed with '%', 'px' or nothing.
+ *
+ * @param {boolean} [skipListeners]
+ * Skip the componentresize event trigger
+ *
+ * @return {number|string}
+ * The width when getting, zero if there is no width. Can be a string
+ * postpixed with '%' or 'px'.
+ */
+
+
+ Component.prototype.height = function height(num, skipListeners) {
+ return this.dimension('height', num, skipListeners);
+ };
+
+ /**
+ * Set both the width and height of the `Component` element at the same time.
+ *
+ * @param {number|string} width
+ * Width to set the `Component`s element to.
+ *
+ * @param {number|string} height
+ * Height to set the `Component`s element to.
+ */
+
+
+ Component.prototype.dimensions = function dimensions(width, height) {
+ // Skip componentresize listeners on width for optimization
+ this.width(width, true);
+ this.height(height);
+ };
+
+ /**
+ * Get or set width or height of the `Component` element. This is the shared code
+ * for the {@link Component#width} and {@link Component#height}.
+ *
+ * Things to know:
+ * - If the width or height in an number this will return the number postfixed with 'px'.
+ * - If the width/height is a percent this will return the percent postfixed with '%'
+ * - Hidden elements have a width of 0 with `window.getComputedStyle`. This function
+ * defaults to the `Component`s `style.width` and falls back to `window.getComputedStyle`.
+ * See [this]{@link http://www.foliotek.com/devblog/getting-the-width-of-a-hidden-element-with-jquery-using-width/}
+ * for more information
+ * - If you want the computed style of the component, use {@link Component#currentWidth}
+ * and {@link {Component#currentHeight}
+ *
+ * @fires Component#componentresize
+ *
+ * @param {string} widthOrHeight
+ 8 'width' or 'height'
+ *
+ * @param {number|string} [num]
+ 8 New dimension
+ *
+ * @param {boolean} [skipListeners]
+ * Skip componentresize event trigger
+ *
+ * @return {number}
+ * The dimension when getting or 0 if unset
+ */
+
+
+ Component.prototype.dimension = function dimension(widthOrHeight, num, skipListeners) {
+ if (num !== undefined) {
+ // Set to zero if null or literally NaN (NaN !== NaN)
+ if (num === null || num !== num) {
+ num = 0;
+ }
+
+ // Check if using css width/height (% or px) and adjust
+ if (('' + num).indexOf('%') !== -1 || ('' + num).indexOf('px') !== -1) {
+ this.el_.style[widthOrHeight] = num;
+ } else if (num === 'auto') {
+ this.el_.style[widthOrHeight] = '';
+ } else {
+ this.el_.style[widthOrHeight] = num + 'px';
+ }
+
+ // skipListeners allows us to avoid triggering the resize event when setting both width and height
+ if (!skipListeners) {
+ /**
+ * Triggered when a component is resized.
+ *
+ * @event Component#componentresize
+ * @type {EventTarget~Event}
+ */
+ this.trigger('componentresize');
+ }
+
+ return;
+ }
+
+ // Not setting a value, so getting it
+ // Make sure element exists
+ if (!this.el_) {
+ return 0;
+ }
+
+ // Get dimension value from style
+ var val = this.el_.style[widthOrHeight];
+ var pxIndex = val.indexOf('px');
+
+ if (pxIndex !== -1) {
+ // Return the pixel value with no 'px'
+ return parseInt(val.slice(0, pxIndex), 10);
+ }
+
+ // No px so using % or no style was set, so falling back to offsetWidth/height
+ // If component has display:none, offset will return 0
+ // TODO: handle display:none and no dimension style using px
+ return parseInt(this.el_['offset' + toTitleCase(widthOrHeight)], 10);
+ };
+
+ /**
+ * Get the width or the height of the `Component` elements computed style. Uses
+ * `window.getComputedStyle`.
+ *
+ * @param {string} widthOrHeight
+ * A string containing 'width' or 'height'. Whichever one you want to get.
+ *
+ * @return {number}
+ * The dimension that gets asked for or 0 if nothing was set
+ * for that dimension.
+ */
+
+
+ Component.prototype.currentDimension = function currentDimension(widthOrHeight) {
+ var computedWidthOrHeight = 0;
+
+ if (widthOrHeight !== 'width' && widthOrHeight !== 'height') {
+ throw new Error('currentDimension only accepts width or height value');
+ }
+
+ if (typeof window_1.getComputedStyle === 'function') {
+ var computedStyle = window_1.getComputedStyle(this.el_);
+
+ computedWidthOrHeight = computedStyle.getPropertyValue(widthOrHeight) || computedStyle[widthOrHeight];
+ }
+
+ // remove 'px' from variable and parse as integer
+ computedWidthOrHeight = parseFloat(computedWidthOrHeight);
+
+ // if the computed value is still 0, it's possible that the browser is lying
+ // and we want to check the offset values.
+ // This code also runs on IE8 and wherever getComputedStyle doesn't exist.
+ if (computedWidthOrHeight === 0) {
+ var rule = 'offset' + toTitleCase(widthOrHeight);
+
+ computedWidthOrHeight = this.el_[rule];
+ }
+
+ return computedWidthOrHeight;
+ };
+
+ /**
+ * An object that contains width and height values of the `Component`s
+ * computed style. Uses `window.getComputedStyle`.
+ *
+ * @typedef {Object} Component~DimensionObject
+ *
+ * @property {number} width
+ * The width of the `Component`s computed style.
+ *
+ * @property {number} height
+ * The height of the `Component`s computed style.
+ */
+
+ /**
+ * Get an object that contains width and height values of the `Component`s
+ * computed style.
+ *
+ * @return {Component~DimensionObject}
+ * The dimensions of the components element
+ */
+
+
+ Component.prototype.currentDimensions = function currentDimensions() {
+ return {
+ width: this.currentDimension('width'),
+ height: this.currentDimension('height')
+ };
+ };
+
+ /**
+ * Get the width of the `Component`s computed style. Uses `window.getComputedStyle`.
+ *
+ * @return {number} width
+ * The width of the `Component`s computed style.
+ */
+
+
+ Component.prototype.currentWidth = function currentWidth() {
+ return this.currentDimension('width');
+ };
+
+ /**
+ * Get the height of the `Component`s computed style. Uses `window.getComputedStyle`.
+ *
+ * @return {number} height
+ * The height of the `Component`s computed style.
+ */
+
+
+ Component.prototype.currentHeight = function currentHeight() {
+ return this.currentDimension('height');
+ };
+
+ /**
+ * Set the focus to this component
+ */
+
+
+ Component.prototype.focus = function focus() {
+ this.el_.focus();
+ };
+
+ /**
+ * Remove the focus from this component
+ */
+
+
+ Component.prototype.blur = function blur() {
+ this.el_.blur();
+ };
+
+ /**
+ * Emit a 'tap' events when touch event support gets detected. This gets used to
+ * support toggling the controls through a tap on the video. They get enabled
+ * because every sub-component would have extra overhead otherwise.
+ *
+ * @private
+ * @fires Component#tap
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchleave
+ * @listens Component#touchcancel
+ * @listens Component#touchend
+ */
+
+
+ Component.prototype.emitTapEvents = function emitTapEvents() {
+ // Track the start time so we can determine how long the touch lasted
+ var touchStart = 0;
+ var firstTouch = null;
+
+ // Maximum movement allowed during a touch event to still be considered a tap
+ // Other popular libs use anywhere from 2 (hammer.js) to 15,
+ // so 10 seems like a nice, round number.
+ var tapMovementThreshold = 10;
+
+ // The maximum length a touch can be while still being considered a tap
+ var touchTimeThreshold = 200;
+
+ var couldBeTap = void 0;
+
+ this.on('touchstart', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length === 1) {
+ // Copy pageX/pageY from the object
+ firstTouch = {
+ pageX: event.touches[0].pageX,
+ pageY: event.touches[0].pageY
+ };
+ // Record start time so we can detect a tap vs. "touch and hold"
+ touchStart = new Date().getTime();
+ // Reset couldBeTap tracking
+ couldBeTap = true;
+ }
+ });
+
+ this.on('touchmove', function (event) {
+ // If more than one finger, don't consider treating this as a click
+ if (event.touches.length > 1) {
+ couldBeTap = false;
+ } else if (firstTouch) {
+ // Some devices will throw touchmoves for all but the slightest of taps.
+ // So, if we moved only a small distance, this could still be a tap
+ var xdiff = event.touches[0].pageX - firstTouch.pageX;
+ var ydiff = event.touches[0].pageY - firstTouch.pageY;
+ var touchDistance = Math.sqrt(xdiff * xdiff + ydiff * ydiff);
+
+ if (touchDistance > tapMovementThreshold) {
+ couldBeTap = false;
+ }
+ }
+ });
+
+ var noTap = function noTap() {
+ couldBeTap = false;
+ };
+
+ // TODO: Listen to the original target. http://youtu.be/DujfpXOKUp8?t=13m8s
+ this.on('touchleave', noTap);
+ this.on('touchcancel', noTap);
+
+ // When the touch ends, measure how long it took and trigger the appropriate
+ // event
+ this.on('touchend', function (event) {
+ firstTouch = null;
+ // Proceed only if the touchmove/leave/cancel event didn't happen
+ if (couldBeTap === true) {
+ // Measure how long the touch lasted
+ var touchTime = new Date().getTime() - touchStart;
+
+ // Make sure the touch was less than the threshold to be considered a tap
+ if (touchTime < touchTimeThreshold) {
+ // Don't let browser turn this into a click
+ event.preventDefault();
+ /**
+ * Triggered when a `Component` is tapped.
+ *
+ * @event Component#tap
+ * @type {EventTarget~Event}
+ */
+ this.trigger('tap');
+ // It may be good to copy the touchend event object and change the
+ // type to tap, if the other event properties aren't exact after
+ // Events.fixEvent runs (e.g. event.target)
+ }
+ }
+ });
+ };
+
+ /**
+ * This function reports user activity whenever touch events happen. This can get
+ * turned off by any sub-components that wants touch events to act another way.
+ *
+ * Report user touch activity when touch events occur. User activity gets used to
+ * determine when controls should show/hide. It is simple when it comes to mouse
+ * events, because any mouse event should show the controls. So we capture mouse
+ * events that bubble up to the player and report activity when that happens.
+ * With touch events it isn't as easy as `touchstart` and `touchend` toggle player
+ * controls. So touch events can't help us at the player level either.
+ *
+ * User activity gets checked asynchronously. So what could happen is a tap event
+ * on the video turns the controls off. Then the `touchend` event bubbles up to
+ * the player. Which, if it reported user activity, would turn the controls right
+ * back on. We also don't want to completely block touch events from bubbling up.
+ * Furthermore a `touchmove` event and anything other than a tap, should not turn
+ * controls back on.
+ *
+ * @listens Component#touchstart
+ * @listens Component#touchmove
+ * @listens Component#touchend
+ * @listens Component#touchcancel
+ */
+
+
+ Component.prototype.enableTouchActivity = function enableTouchActivity() {
+ // Don't continue if the root player doesn't support reporting user activity
+ if (!this.player() || !this.player().reportUserActivity) {
+ return;
+ }
+
+ // listener for reporting that the user is active
+ var report = bind(this.player(), this.player().reportUserActivity);
+
+ var touchHolding = void 0;
+
+ this.on('touchstart', function () {
+ report();
+ // For as long as the they are touching the device or have their mouse down,
+ // we consider them active even if they're not moving their finger or mouse.
+ // So we want to continue to update that they are active
+ this.clearInterval(touchHolding);
+ // report at the same interval as activityCheck
+ touchHolding = this.setInterval(report, 250);
+ });
+
+ var touchEnd = function touchEnd(event) {
+ report();
+ // stop the interval that maintains activity if the touch is holding
+ this.clearInterval(touchHolding);
+ };
+
+ this.on('touchmove', report);
+ this.on('touchend', touchEnd);
+ this.on('touchcancel', touchEnd);
+ };
+
+ /**
+ * A callback that has no parameters and is bound into `Component`s context.
+ *
+ * @callback Component~GenericCallback
+ * @this Component
+ */
+
+ /**
+ * Creates a function that runs after an `x` millisecond timeout. This function is a
+ * wrapper around `window.setTimeout`. There are a few reasons to use this one
+ * instead though:
+ * 1. It gets cleared via {@link Component#clearTimeout} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will gets turned into a {@link Component~GenericCallback}
+ *
+ * > Note: You can use `window.clearTimeout` on the id returned by this function. This
+ * will cause its dispose listener not to get cleaned up! Please use
+ * {@link Component#clearTimeout} or {@link Component#dispose}.
+ *
+ * @param {Component~GenericCallback} fn
+ * The function that will be run after `timeout`.
+ *
+ * @param {number} timeout
+ * Timeout in milliseconds to delay before executing the specified function.
+ *
+ * @return {number}
+ * Returns a timeout ID that gets used to identify the timeout. It can also
+ * get used in {@link Component#clearTimeout} to clear the timeout that
+ * was set.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setTimeout}
+ */
+
+
+ Component.prototype.setTimeout = function setTimeout(fn, timeout) {
+ var _this2 = this;
+
+ fn = bind(this, fn);
+
+ var timeoutId = window_1.setTimeout(fn, timeout);
+ var disposeFn = function disposeFn() {
+ return _this2.clearTimeout(timeoutId);
+ };
+
+ disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+ this.on('dispose', disposeFn);
+
+ return timeoutId;
+ };
+
+ /**
+ * Clears a timeout that gets created via `window.setTimeout` or
+ * {@link Component#setTimeout}. If you set a timeout via {@link Component#setTimeout}
+ * use this function instead of `window.clearTimout`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} timeoutId
+ * The id of the timeout to clear. The return value of
+ * {@link Component#setTimeout} or `window.setTimeout`.
+ *
+ * @return {number}
+ * Returns the timeout id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearTimeout}
+ */
+
+
+ Component.prototype.clearTimeout = function clearTimeout(timeoutId) {
+ window_1.clearTimeout(timeoutId);
+
+ var disposeFn = function disposeFn() {
+ };
+
+ disposeFn.guid = 'vjs-timeout-' + timeoutId;
+
+ this.off('dispose', disposeFn);
+
+ return timeoutId;
+ };
+
+ /**
+ * Creates a function that gets run every `x` milliseconds. This function is a wrapper
+ * around `window.setInterval`. There are a few reasons to use this one instead though.
+ * 1. It gets cleared via {@link Component#clearInterval} when
+ * {@link Component#dispose} gets called.
+ * 2. The function callback will be a {@link Component~GenericCallback}
+ *
+ * @param {Component~GenericCallback} fn
+ * The function to run every `x` seconds.
+ *
+ * @param {number} interval
+ * Execute the specified function every `x` milliseconds.
+ *
+ * @return {number}
+ * Returns an id that can be used to identify the interval. It can also be be used in
+ * {@link Component#clearInterval} to clear the interval.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/setInterval}
+ */
+
+
+ Component.prototype.setInterval = function setInterval(fn, interval) {
+ var _this3 = this;
+
+ fn = bind(this, fn);
+
+ var intervalId = window_1.setInterval(fn, interval);
+
+ var disposeFn = function disposeFn() {
+ return _this3.clearInterval(intervalId);
+ };
+
+ disposeFn.guid = 'vjs-interval-' + intervalId;
+
+ this.on('dispose', disposeFn);
+
+ return intervalId;
+ };
+
+ /**
+ * Clears an interval that gets created via `window.setInterval` or
+ * {@link Component#setInterval}. If you set an inteval via {@link Component#setInterval}
+ * use this function instead of `window.clearInterval`. If you don't your dispose
+ * listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} intervalId
+ * The id of the interval to clear. The return value of
+ * {@link Component#setInterval} or `window.setInterval`.
+ *
+ * @return {number}
+ * Returns the interval id that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/WindowTimers/clearInterval}
+ */
+
+
+ Component.prototype.clearInterval = function clearInterval(intervalId) {
+ window_1.clearInterval(intervalId);
+
+ var disposeFn = function disposeFn() {
+ };
+
+ disposeFn.guid = 'vjs-interval-' + intervalId;
+
+ this.off('dispose', disposeFn);
+
+ return intervalId;
+ };
+
+ /**
+ * Queues up a callback to be passed to requestAnimationFrame (rAF), but
+ * with a few extra bonuses:
+ *
+ * - Supports browsers that do not support rAF by falling back to
+ * {@link Component#setTimeout}.
+ *
+ * - The callback is turned into a {@link Component~GenericCallback} (i.e.
+ * bound to the component).
+ *
+ * - Automatic cancellation of the rAF callback is handled if the component
+ * is disposed before it is called.
+ *
+ * @param {Component~GenericCallback} fn
+ * A function that will be bound to this component and executed just
+ * before the browser's next repaint.
+ *
+ * @return {number}
+ * Returns an rAF ID that gets used to identify the timeout. It can
+ * also be used in {@link Component#cancelAnimationFrame} to cancel
+ * the animation frame callback.
+ *
+ * @listens Component#dispose
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/requestAnimationFrame}
+ */
+
+
+ Component.prototype.requestAnimationFrame = function requestAnimationFrame(fn) {
+ var _this4 = this;
+
+ if (this.supportsRaf_) {
+ fn = bind(this, fn);
+
+ var id = window_1.requestAnimationFrame(fn);
+ var disposeFn = function disposeFn() {
+ return _this4.cancelAnimationFrame(id);
+ };
+
+ disposeFn.guid = 'vjs-raf-' + id;
+ this.on('dispose', disposeFn);
+
+ return id;
+ }
+
+ // Fall back to using a timer.
+ return this.setTimeout(fn, 1000 / 60);
+ };
+
+ /**
+ * Cancels a queued callback passed to {@link Component#requestAnimationFrame}
+ * (rAF).
+ *
+ * If you queue an rAF callback via {@link Component#requestAnimationFrame},
+ * use this function instead of `window.cancelAnimationFrame`. If you don't,
+ * your dispose listener will not get cleaned up until {@link Component#dispose}!
+ *
+ * @param {number} id
+ * The rAF ID to clear. The return value of {@link Component#requestAnimationFrame}.
+ *
+ * @return {number}
+ * Returns the rAF ID that was cleared.
+ *
+ * @see [Similar to]{@link https://developer.mozilla.org/en-US/docs/Web/API/window/cancelAnimationFrame}
+ */
+
+
+ Component.prototype.cancelAnimationFrame = function cancelAnimationFrame(id) {
+ if (this.supportsRaf_) {
+ window_1.cancelAnimationFrame(id);
+
+ var disposeFn = function disposeFn() {
+ };
+
+ disposeFn.guid = 'vjs-raf-' + id;
+
+ this.off('dispose', disposeFn);
+
+ return id;
+ }
+
+ // Fall back to using a timer.
+ return this.clearTimeout(id);
+ };
+
+ /**
+ * Register a `Component` with `videojs` given the name and the component.
+ *
+ * > NOTE: {@link Tech}s should not be registered as a `Component`. {@link Tech}s
+ * should be registered using {@link Tech.registerTech} or
+ * {@link videojs:videojs.registerTech}.
+ *
+ * > NOTE: This function can also be seen on videojs as
+ * {@link videojs:videojs.registerComponent}.
+ *
+ * @param {string} name
+ * The name of the `Component` to register.
+ *
+ * @param {Component} ComponentToRegister
+ * The `Component` class to register.
+ *
+ * @return {Component}
+ * The `Component` that was registered.
+ */
+
+
+ Component.registerComponent = function registerComponent(name, ComponentToRegister) {
+ if (typeof name !== 'string' || !name) {
+ throw new Error('Illegal component name, "' + name + '"; must be a non-empty string.');
+ }
+
+ var Tech = Component.getComponent('Tech');
+
+ // We need to make sure this check is only done if Tech has been registered.
+ var isTech = Tech && Tech.isTech(ComponentToRegister);
+ var isComp = Component === ComponentToRegister || Component.prototype.isPrototypeOf(ComponentToRegister.prototype);
+
+ if (isTech || !isComp) {
+ var reason = void 0;
+
+ if (isTech) {
+ reason = 'techs must be registered using Tech.registerTech()';
+ } else {
+ reason = 'must be a Component subclass';
+ }
+
+ throw new Error('Illegal component, "' + name + '"; ' + reason + '.');
+ }
+
+ name = toTitleCase(name);
+
+ if (!Component.components_) {
+ Component.components_ = {};
+ }
+
+ var Player = Component.getComponent('Player');
+
+ if (name === 'Player' && Player && Player.players) {
+ var players = Player.players;
+ var playerNames = Object.keys(players);
+
+ // If we have players that were disposed, then their name will still be
+ // in Players.players. So, we must loop through and verify that the value
+ // for each item is not null. This allows registration of the Player component
+ // after all players have been disposed or before any were created.
+ if (players && playerNames.length > 0 && playerNames.map(function (pname) {
+ return players[pname];
+ }).every(Boolean)) {
+ throw new Error('Can not register Player component after player has been created.');
+ }
+ }
+
+ Component.components_[name] = ComponentToRegister;
+
+ return ComponentToRegister;
+ };
+
+ /**
+ * Get a `Component` based on the name it was registered with.
+ *
+ * @param {string} name
+ * The Name of the component to get.
+ *
+ * @return {Component}
+ * The `Component` that got registered under the given name.
+ *
+ * @deprecated In `videojs` 6 this will not return `Component`s that were not
+ * registered using {@link Component.registerComponent}. Currently we
+ * check the global `videojs` object for a `Component` name and
+ * return that if it exists.
+ */
+
+
+ Component.getComponent = function getComponent(name) {
+ if (!name) {
+ return;
+ }
+
+ name = toTitleCase(name);
+
+ if (Component.components_ && Component.components_[name]) {
+ return Component.components_[name];
+ }
+ };
+
+ return Component;
+ }();
+
+ /**
+ * Whether or not this component supports `requestAnimationFrame`.
+ *
+ * This is exposed primarily for testing purposes.
+ *
+ * @private
+ * @type {Boolean}
+ */
+
+
+ Component.prototype.supportsRaf_ = typeof window_1.requestAnimationFrame === 'function' && typeof window_1.cancelAnimationFrame === 'function';
+
+ Component.registerComponent('Component', Component);
+
+ /**
+ * @file time-ranges.js
+ * @module time-ranges
+ */
+
+ /**
+ * Returns the time for the specified index at the start or end
+ * of a TimeRange object.
+ *
+ * @function time-ranges:indexFunction
+ *
+ * @param {number} [index=0]
+ * The range number to return the time for.
+ *
+ * @return {number}
+ * The time that offset at the specified index.
+ *
+ * @depricated index must be set to a value, in the future this will throw an error.
+ */
+
+ /**
+ * An object that contains ranges of time for various reasons.
+ *
+ * @typedef {Object} TimeRange
+ *
+ * @property {number} length
+ * The number of time ranges represented by this Object
+ *
+ * @property {time-ranges:indexFunction} start
+ * Returns the time offset at which a specified time range begins.
+ *
+ * @property {time-ranges:indexFunction} end
+ * Returns the time offset at which a specified time range begins.
+ *
+ * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges
+ */
+
+ /**
+ * Check if any of the time ranges are over the maximum index.
+ *
+ * @param {string} fnName
+ * The function name to use for logging
+ *
+ * @param {number} index
+ * The index to check
+ *
+ * @param {number} maxIndex
+ * The maximum possible index
+ *
+ * @throws {Error} if the timeRanges provided are over the maxIndex
+ */
+ function rangeCheck(fnName, index, maxIndex) {
+ if (typeof index !== 'number' || index < 0 || index > maxIndex) {
+ throw new Error('Failed to execute \'' + fnName + '\' on \'TimeRanges\': The index provided (' + index + ') is non-numeric or out of bounds (0-' + maxIndex + ').');
+ }
+ }
+
+ /**
+ * Check if any of the time ranges are over the maximum index.
+ *
+ * @param {string} fnName
+ * The function name to use for logging
+ *
+ * @param {string} valueIndex
+ * The proprety that should be used to get the time. should be 'start' or 'end'
+ *
+ * @param {Array} ranges
+ * An array of time ranges
+ *
+ * @param {Array} [rangeIndex=0]
+ * The index to start the search at
+ *
+ * @return {number}
+ * The time that offset at the specified index.
+ *
+ *
+ * @depricated rangeIndex must be set to a value, in the future this will throw an error.
+ * @throws {Error} if rangeIndex is more than the length of ranges
+ */
+ function getRange(fnName, valueIndex, ranges, rangeIndex) {
+ rangeCheck(fnName, rangeIndex, ranges.length - 1);
+ return ranges[rangeIndex][valueIndex];
+ }
+
+ /**
+ * Create a time range object givent ranges of time.
+ *
+ * @param {Array} [ranges]
+ * An array of time ranges.
+ */
+ function createTimeRangesObj(ranges) {
+ if (ranges === undefined || ranges.length === 0) {
+ return {
+ length: 0,
+ start: function start() {
+ throw new Error('This TimeRanges object is empty');
+ },
+ end: function end() {
+ throw new Error('This TimeRanges object is empty');
+ }
+ };
+ }
+ return {
+ length: ranges.length,
+ start: getRange.bind(null, 'start', 0, ranges),
+ end: getRange.bind(null, 'end', 1, ranges)
+ };
+ }
+
+ /**
+ * Should create a fake `TimeRange` object which mimics an HTML5 time range instance.
+ *
+ * @param {number|Array} start
+ * The start of a single range or an array of ranges
+ *
+ * @param {number} end
+ * The end of a single range.
+ *
+ * @private
+ */
+ function createTimeRanges(start, end) {
+ if (Array.isArray(start)) {
+ return createTimeRangesObj(start);
+ } else if (start === undefined || end === undefined) {
+ return createTimeRangesObj();
+ }
+ return createTimeRangesObj([[start, end]]);
+ }
+
+ /**
+ * @file buffer.js
+ * @module buffer
+ */
+ /**
+ * Compute the percentage of the media that has been buffered.
+ *
+ * @param {TimeRange} buffered
+ * The current `TimeRange` object representing buffered time ranges
+ *
+ * @param {number} duration
+ * Total duration of the media
+ *
+ * @return {number}
+ * Percent buffered of the total duration in decimal form.
+ */
+ function bufferedPercent(buffered, duration) {
+ var bufferedDuration = 0;
+ var start = void 0;
+ var end = void 0;
+
+ if (!duration) {
+ return 0;
+ }
+
+ if (!buffered || !buffered.length) {
+ buffered = createTimeRanges(0, 0);
+ }
+
+ for (var i = 0; i < buffered.length; i++) {
+ start = buffered.start(i);
+ end = buffered.end(i);
+
+ // buffered end can be bigger than duration by a very small fraction
+ if (end > duration) {
+ end = duration;
+ }
+
+ bufferedDuration += end - start;
+ }
+
+ return bufferedDuration / duration;
+ }
+
+ /**
+ * @file fullscreen-api.js
+ * @module fullscreen-api
+ * @private
+ */
+ /**
+ * Store the browser-specific methods for the fullscreen API.
+ *
+ * @type {Object}
+ * @see [Specification]{@link https://fullscreen.spec.whatwg.org}
+ * @see [Map Approach From Screenfull.js]{@link https://github.com/sindresorhus/screenfull.js}
+ */
+ var FullscreenApi = {};
+
+// browser API methods
+ var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror'],
+// WebKit
+ ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror'],
+// Old WebKit (Safari 5.1)
+ ['webkitRequestFullScreen', 'webkitCancelFullScreen', 'webkitCurrentFullScreenElement', 'webkitCancelFullScreen', 'webkitfullscreenchange', 'webkitfullscreenerror'],
+// Mozilla
+ ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror'],
+// Microsoft
+ ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError']];
+
+ var specApi = apiMap[0];
+ var browserApi = void 0;
+
+// determine the supported set of functions
+ for (var i = 0; i < apiMap.length; i++) {
+ // check for exitFullscreen function
+ if (apiMap[i][1] in document_1) {
+ browserApi = apiMap[i];
+ break;
+ }
+ }
+
+// map the browser API names to the spec API names
+ if (browserApi) {
+ for (var _i = 0; _i < browserApi.length; _i++) {
+ FullscreenApi[specApi[_i]] = browserApi[_i];
+ }
+ }
+
+ /**
+ * @file media-error.js
+ */
+ /**
+ * A Custom `MediaError` class which mimics the standard HTML5 `MediaError` class.
+ *
+ * @param {number|string|Object|MediaError} value
+ * This can be of multiple types:
+ * - number: should be a standard error code
+ * - string: an error message (the code will be 0)
+ * - Object: arbitrary properties
+ * - `MediaError` (native): used to populate a video.js `MediaError` object
+ * - `MediaError` (video.js): will return itself if it's already a
+ * video.js `MediaError` object.
+ *
+ * @see [MediaError Spec]{@link https://dev.w3.org/html5/spec-author-view/video.html#mediaerror}
+ * @see [Encrypted MediaError Spec]{@link https://www.w3.org/TR/2013/WD-encrypted-media-20130510/#error-codes}
+ *
+ * @class MediaError
+ */
+ function MediaError(value) {
+
+ // Allow redundant calls to this constructor to avoid having `instanceof`
+ // checks peppered around the code.
+ if (value instanceof MediaError) {
+ return value;
+ }
+
+ if (typeof value === 'number') {
+ this.code = value;
+ } else if (typeof value === 'string') {
+ // default code is zero, so this is a custom error
+ this.message = value;
+ } else if (isObject(value)) {
+
+ // We assign the `code` property manually because native `MediaError` objects
+ // do not expose it as an own/enumerable property of the object.
+ if (typeof value.code === 'number') {
+ this.code = value.code;
+ }
+
+ assign(this, value);
+ }
+
+ if (!this.message) {
+ this.message = MediaError.defaultMessages[this.code] || '';
+ }
+ }
+
+ /**
+ * The error code that refers two one of the defined `MediaError` types
+ *
+ * @type {Number}
+ */
+ MediaError.prototype.code = 0;
+
+ /**
+ * An optional message that to show with the error. Message is not part of the HTML5
+ * video spec but allows for more informative custom errors.
+ *
+ * @type {String}
+ */
+ MediaError.prototype.message = '';
+
+ /**
+ * An optional status code that can be set by plugins to allow even more detail about
+ * the error. For example a plugin might provide a specific HTTP status code and an
+ * error message for that code. Then when the plugin gets that error this class will
+ * know how to display an error message for it. This allows a custom message to show
+ * up on the `Player` error overlay.
+ *
+ * @type {Array}
+ */
+ MediaError.prototype.status = null;
+
+ /**
+ * Errors indexed by the W3C standard. The order **CANNOT CHANGE**! See the
+ * specification listed under {@link MediaError} for more information.
+ *
+ * @enum {array}
+ * @readonly
+ * @property {string} 0 - MEDIA_ERR_CUSTOM
+ * @property {string} 1 - MEDIA_ERR_CUSTOM
+ * @property {string} 2 - MEDIA_ERR_ABORTED
+ * @property {string} 3 - MEDIA_ERR_NETWORK
+ * @property {string} 4 - MEDIA_ERR_SRC_NOT_SUPPORTED
+ * @property {string} 5 - MEDIA_ERR_ENCRYPTED
+ */
+ MediaError.errorTypes = ['MEDIA_ERR_CUSTOM', 'MEDIA_ERR_ABORTED', 'MEDIA_ERR_NETWORK', 'MEDIA_ERR_DECODE', 'MEDIA_ERR_SRC_NOT_SUPPORTED', 'MEDIA_ERR_ENCRYPTED'];
+
+ /**
+ * The default `MediaError` messages based on the {@link MediaError.errorTypes}.
+ *
+ * @type {Array}
+ * @constant
+ */
+ MediaError.defaultMessages = {
+ 1: 'You aborted the media playback',
+ 2: 'A network error caused the media download to fail part-way.',
+ 3: 'The media playback was aborted due to a corruption problem or because the media used features your browser did not support.',
+ 4: 'The media could not be loaded, either because the server or network failed or because the format is not supported.',
+ 5: 'The media is encrypted and we do not have the keys to decrypt it.'
+ };
+
+// Add types as properties on MediaError
+// e.g. MediaError.MEDIA_ERR_SRC_NOT_SUPPORTED = 4;
+ for (var errNum = 0; errNum < MediaError.errorTypes.length; errNum++) {
+ MediaError[MediaError.errorTypes[errNum]] = errNum;
+ // values should be accessible on both the class and instance
+ MediaError.prototype[MediaError.errorTypes[errNum]] = errNum;
+ }
+
+ var tuple = SafeParseTuple;
+
+ function SafeParseTuple(obj, reviver) {
+ var json;
+ var error = null;
+
+ try {
+ json = JSON.parse(obj, reviver);
+ } catch (err) {
+ error = err;
+ }
+
+ return [error, json]
+ }
+
+ /**
+ * @file text-track-list-converter.js Utilities for capturing text track state and
+ * re-creating tracks based on a capture.
+ *
+ * @module text-track-list-converter
+ */
+
+ /**
+ * Examine a single {@link TextTrack} and return a JSON-compatible javascript object that
+ * represents the {@link TextTrack}'s state.
+ *
+ * @param {TextTrack} track
+ * The text track to query.
+ *
+ * @return {Object}
+ * A serializable javascript representation of the TextTrack.
+ * @private
+ */
+ var trackToJson_ = function trackToJson_(track) {
+ var ret = ['kind', 'label', 'language', 'id', 'inBandMetadataTrackDispatchType', 'mode', 'src'].reduce(function (acc, prop, i) {
+
+ if (track[prop]) {
+ acc[prop] = track[prop];
+ }
+
+ return acc;
+ }, {
+ cues: track.cues && Array.prototype.map.call(track.cues, function (cue) {
+ return {
+ startTime: cue.startTime,
+ endTime: cue.endTime,
+ text: cue.text,
+ id: cue.id
+ };
+ })
+ });
+
+ return ret;
+ };
+
+ /**
+ * Examine a {@link Tech} and return a JSON-compatible javascript array that represents the
+ * state of all {@link TextTrack}s currently configured. The return array is compatible with
+ * {@link text-track-list-converter:jsonToTextTracks}.
+ *
+ * @param {Tech} tech
+ * The tech object to query
+ *
+ * @return {Array}
+ * A serializable javascript representation of the {@link Tech}s
+ * {@link TextTrackList}.
+ */
+ var textTracksToJson = function textTracksToJson(tech) {
+
+ var trackEls = tech.$$('track');
+
+ var trackObjs = Array.prototype.map.call(trackEls, function (t) {
+ return t.track;
+ });
+ var tracks = Array.prototype.map.call(trackEls, function (trackEl) {
+ var json = trackToJson_(trackEl.track);
+
+ if (trackEl.src) {
+ json.src = trackEl.src;
+ }
+ return json;
+ });
+
+ return tracks.concat(Array.prototype.filter.call(tech.textTracks(), function (track) {
+ return trackObjs.indexOf(track) === -1;
+ }).map(trackToJson_));
+ };
+
+ /**
+ * Create a set of remote {@link TextTrack}s on a {@link Tech} based on an array of javascript
+ * object {@link TextTrack} representations.
+ *
+ * @param {Array} json
+ * An array of `TextTrack` representation objects, like those that would be
+ * produced by `textTracksToJson`.
+ *
+ * @param {Tech} tech
+ * The `Tech` to create the `TextTrack`s on.
+ */
+ var jsonToTextTracks = function jsonToTextTracks(json, tech) {
+ json.forEach(function (track) {
+ var addedTrack = tech.addRemoteTextTrack(track).track;
+
+ if (!track.src && track.cues) {
+ track.cues.forEach(function (cue) {
+ return addedTrack.addCue(cue);
+ });
+ }
+ });
+
+ return tech.textTracks();
+ };
+
+ var textTrackConverter = {textTracksToJson: textTracksToJson, jsonToTextTracks: jsonToTextTracks, trackToJson_: trackToJson_};
+
+ /**
+ * @file modal-dialog.js
+ */
+ var MODAL_CLASS_NAME = 'vjs-modal-dialog';
+ var ESC = 27;
+
+ /**
+ * The `ModalDialog` displays over the video and its controls, which blocks
+ * interaction with the player until it is closed.
+ *
+ * Modal dialogs include a "Close" button and will close when that button
+ * is activated - or when ESC is pressed anywhere.
+ *
+ * @extends Component
+ */
+
+ var ModalDialog = function (_Component) {
+ inherits(ModalDialog, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Mixed} [options.content=undefined]
+ * Provide customized content for this modal.
+ *
+ * @param {string} [options.description]
+ * A text description for the modal, primarily for accessibility.
+ *
+ * @param {boolean} [options.fillAlways=false]
+ * Normally, modals are automatically filled only the first time
+ * they open. This tells the modal to refresh its content
+ * every time it opens.
+ *
+ * @param {string} [options.label]
+ * A text label for the modal, primarily for accessibility.
+ *
+ * @param {boolean} [options.temporary=true]
+ * If `true`, the modal can only be opened once; it will be
+ * disposed as soon as it's closed.
+ *
+ * @param {boolean} [options.uncloseable=false]
+ * If `true`, the user will not be able to close the modal
+ * through the UI in the normal ways. Programmatic closing is
+ * still possible.
+ */
+ function ModalDialog(player, options) {
+ classCallCheck(this, ModalDialog);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.opened_ = _this.hasBeenOpened_ = _this.hasBeenFilled_ = false;
+
+ _this.closeable(!_this.options_.uncloseable);
+ _this.content(_this.options_.content);
+
+ // Make sure the contentEl is defined AFTER any children are initialized
+ // because we only want the contents of the modal in the contentEl
+ // (not the UI elements like the close button).
+ _this.contentEl_ = createEl('div', {
+ className: MODAL_CLASS_NAME + '-content'
+ }, {
+ role: 'document'
+ });
+
+ _this.descEl_ = createEl('p', {
+ className: MODAL_CLASS_NAME + '-description vjs-control-text',
+ id: _this.el().getAttribute('aria-describedby')
+ });
+
+ textContent(_this.descEl_, _this.description());
+ _this.el_.appendChild(_this.descEl_);
+ _this.el_.appendChild(_this.contentEl_);
+ return _this;
+ }
+
+ /**
+ * Create the `ModalDialog`'s DOM element
+ *
+ * @return {Element}
+ * The DOM element that gets created.
+ */
+
+
+ ModalDialog.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildCSSClass(),
+ tabIndex: -1
+ }, {
+ 'aria-describedby': this.id() + '_description',
+ 'aria-hidden': 'true',
+ 'aria-label': this.label(),
+ 'role': 'dialog'
+ });
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ ModalDialog.prototype.buildCSSClass = function buildCSSClass() {
+ return MODAL_CLASS_NAME + ' vjs-hidden ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Handles `keydown` events on the document, looking for ESC, which closes
+ * the modal.
+ *
+ * @param {EventTarget~Event} e
+ * The keypress that triggered this event.
+ *
+ * @listens keydown
+ */
+
+
+ ModalDialog.prototype.handleKeyPress = function handleKeyPress(e) {
+ if (e.which === ESC && this.closeable()) {
+ this.close();
+ }
+ };
+
+ /**
+ * Returns the label string for this modal. Primarily used for accessibility.
+ *
+ * @return {string}
+ * the localized or raw label of this modal.
+ */
+
+
+ ModalDialog.prototype.label = function label() {
+ return this.localize(this.options_.label || 'Modal Window');
+ };
+
+ /**
+ * Returns the description string for this modal. Primarily used for
+ * accessibility.
+ *
+ * @return {string}
+ * The localized or raw description of this modal.
+ */
+
+
+ ModalDialog.prototype.description = function description() {
+ var desc = this.options_.description || this.localize('This is a modal window.');
+
+ // Append a universal closeability message if the modal is closeable.
+ if (this.closeable()) {
+ desc += ' ' + this.localize('This modal can be closed by pressing the Escape key or activating the close button.');
+ }
+
+ return desc;
+ };
+
+ /**
+ * Opens the modal.
+ *
+ * @fires ModalDialog#beforemodalopen
+ * @fires ModalDialog#modalopen
+ */
+
+
+ ModalDialog.prototype.open = function open() {
+ if (!this.opened_) {
+ var player = this.player();
+
+ /**
+ * Fired just before a `ModalDialog` is opened.
+ *
+ * @event ModalDialog#beforemodalopen
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalopen');
+ this.opened_ = true;
+
+ // Fill content if the modal has never opened before and
+ // never been filled.
+ if (this.options_.fillAlways || !this.hasBeenOpened_ && !this.hasBeenFilled_) {
+ this.fill();
+ }
+
+ // If the player was playing, pause it and take note of its previously
+ // playing state.
+ this.wasPlaying_ = !player.paused();
+
+ if (this.options_.pauseOnOpen && this.wasPlaying_) {
+ player.pause();
+ }
+
+ if (this.closeable()) {
+ this.on(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
+ }
+
+ // Hide controls and note if they were enabled.
+ this.hadControls_ = player.controls();
+ player.controls(false);
+
+ this.show();
+ this.conditionalFocus_();
+ this.el().setAttribute('aria-hidden', 'false');
+
+ /**
+ * Fired just after a `ModalDialog` is opened.
+ *
+ * @event ModalDialog#modalopen
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalopen');
+ this.hasBeenOpened_ = true;
+ }
+ };
+
+ /**
+ * If the `ModalDialog` is currently open or closed.
+ *
+ * @param {boolean} [value]
+ * If given, it will open (`true`) or close (`false`) the modal.
+ *
+ * @return {boolean}
+ * the current open state of the modaldialog
+ */
+
+
+ ModalDialog.prototype.opened = function opened(value) {
+ if (typeof value === 'boolean') {
+ this[value ? 'open' : 'close']();
+ }
+ return this.opened_;
+ };
+
+ /**
+ * Closes the modal, does nothing if the `ModalDialog` is
+ * not open.
+ *
+ * @fires ModalDialog#beforemodalclose
+ * @fires ModalDialog#modalclose
+ */
+
+
+ ModalDialog.prototype.close = function close() {
+ if (!this.opened_) {
+ return;
+ }
+ var player = this.player();
+
+ /**
+ * Fired just before a `ModalDialog` is closed.
+ *
+ * @event ModalDialog#beforemodalclose
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalclose');
+ this.opened_ = false;
+
+ if (this.wasPlaying_ && this.options_.pauseOnOpen) {
+ player.play();
+ }
+
+ if (this.closeable()) {
+ this.off(this.el_.ownerDocument, 'keydown', bind(this, this.handleKeyPress));
+ }
+
+ if (this.hadControls_) {
+ player.controls(true);
+ }
+
+ this.hide();
+ this.el().setAttribute('aria-hidden', 'true');
+
+ /**
+ * Fired just after a `ModalDialog` is closed.
+ *
+ * @event ModalDialog#modalclose
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalclose');
+ this.conditionalBlur_();
+
+ if (this.options_.temporary) {
+ this.dispose();
+ }
+ };
+
+ /**
+ * Check to see if the `ModalDialog` is closeable via the UI.
+ *
+ * @param {boolean} [value]
+ * If given as a boolean, it will set the `closeable` option.
+ *
+ * @return {boolean}
+ * Returns the final value of the closable option.
+ */
+
+
+ ModalDialog.prototype.closeable = function closeable(value) {
+ if (typeof value === 'boolean') {
+ var closeable = this.closeable_ = !!value;
+ var close = this.getChild('closeButton');
+
+ // If this is being made closeable and has no close button, add one.
+ if (closeable && !close) {
+
+ // The close button should be a child of the modal - not its
+ // content element, so temporarily change the content element.
+ var temp = this.contentEl_;
+
+ this.contentEl_ = this.el_;
+ close = this.addChild('closeButton', {controlText: 'Close Modal Dialog'});
+ this.contentEl_ = temp;
+ this.on(close, 'close', this.close);
+ }
+
+ // If this is being made uncloseable and has a close button, remove it.
+ if (!closeable && close) {
+ this.off(close, 'close', this.close);
+ this.removeChild(close);
+ close.dispose();
+ }
+ }
+ return this.closeable_;
+ };
+
+ /**
+ * Fill the modal's content element with the modal's "content" option.
+ * The content element will be emptied before this change takes place.
+ */
+
+
+ ModalDialog.prototype.fill = function fill() {
+ this.fillWith(this.content());
+ };
+
+ /**
+ * Fill the modal's content element with arbitrary content.
+ * The content element will be emptied before this change takes place.
+ *
+ * @fires ModalDialog#beforemodalfill
+ * @fires ModalDialog#modalfill
+ *
+ * @param {Mixed} [content]
+ * The same rules apply to this as apply to the `content` option.
+ */
+
+
+ ModalDialog.prototype.fillWith = function fillWith(content) {
+ var contentEl = this.contentEl();
+ var parentEl = contentEl.parentNode;
+ var nextSiblingEl = contentEl.nextSibling;
+
+ /**
+ * Fired just before a `ModalDialog` is filled with content.
+ *
+ * @event ModalDialog#beforemodalfill
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalfill');
+ this.hasBeenFilled_ = true;
+
+ // Detach the content element from the DOM before performing
+ // manipulation to avoid modifying the live DOM multiple times.
+ parentEl.removeChild(contentEl);
+ this.empty();
+ insertContent(contentEl, content);
+ /**
+ * Fired just after a `ModalDialog` is filled with content.
+ *
+ * @event ModalDialog#modalfill
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalfill');
+
+ // Re-inject the re-filled content element.
+ if (nextSiblingEl) {
+ parentEl.insertBefore(contentEl, nextSiblingEl);
+ } else {
+ parentEl.appendChild(contentEl);
+ }
+
+ // make sure that the close button is last in the dialog DOM
+ var closeButton = this.getChild('closeButton');
+
+ if (closeButton) {
+ parentEl.appendChild(closeButton.el_);
+ }
+ };
+
+ /**
+ * Empties the content element. This happens anytime the modal is filled.
+ *
+ * @fires ModalDialog#beforemodalempty
+ * @fires ModalDialog#modalempty
+ */
+
+
+ ModalDialog.prototype.empty = function empty() {
+ /**
+ * Fired just before a `ModalDialog` is emptied.
+ *
+ * @event ModalDialog#beforemodalempty
+ * @type {EventTarget~Event}
+ */
+ this.trigger('beforemodalempty');
+ emptyEl(this.contentEl());
+
+ /**
+ * Fired just after a `ModalDialog` is emptied.
+ *
+ * @event ModalDialog#modalempty
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modalempty');
+ };
+
+ /**
+ * Gets or sets the modal content, which gets normalized before being
+ * rendered into the DOM.
+ *
+ * This does not update the DOM or fill the modal, but it is called during
+ * that process.
+ *
+ * @param {Mixed} [value]
+ * If defined, sets the internal content value to be used on the
+ * next call(s) to `fill`. This value is normalized before being
+ * inserted. To "clear" the internal content value, pass `null`.
+ *
+ * @return {Mixed}
+ * The current content of the modal dialog
+ */
+
+
+ ModalDialog.prototype.content = function content(value) {
+ if (typeof value !== 'undefined') {
+ this.content_ = value;
+ }
+ return this.content_;
+ };
+
+ /**
+ * conditionally focus the modal dialog if focus was previously on the player.
+ *
+ * @private
+ */
+
+
+ ModalDialog.prototype.conditionalFocus_ = function conditionalFocus_() {
+ var activeEl = document_1.activeElement;
+ var playerEl = this.player_.el_;
+
+ this.previouslyActiveEl_ = null;
+
+ if (playerEl.contains(activeEl) || playerEl === activeEl) {
+ this.previouslyActiveEl_ = activeEl;
+
+ this.focus();
+
+ this.on(document_1, 'keydown', this.handleKeyDown);
+ }
+ };
+
+ /**
+ * conditionally blur the element and refocus the last focused element
+ *
+ * @private
+ */
+
+
+ ModalDialog.prototype.conditionalBlur_ = function conditionalBlur_() {
+ if (this.previouslyActiveEl_) {
+ this.previouslyActiveEl_.focus();
+ this.previouslyActiveEl_ = null;
+ }
+
+ this.off(document_1, 'keydown', this.handleKeyDown);
+ };
+
+ /**
+ * Keydown handler. Attached when modal is focused.
+ *
+ * @listens keydown
+ */
+
+
+ ModalDialog.prototype.handleKeyDown = function handleKeyDown(event) {
+ // exit early if it isn't a tab key
+ if (event.which !== 9) {
+ return;
+ }
+
+ var focusableEls = this.focusableEls_();
+ var activeEl = this.el_.querySelector(':focus');
+ var focusIndex = void 0;
+
+ for (var i = 0; i < focusableEls.length; i++) {
+ if (activeEl === focusableEls[i]) {
+ focusIndex = i;
+ break;
+ }
+ }
+
+ if (document_1.activeElement === this.el_) {
+ focusIndex = 0;
+ }
+
+ if (event.shiftKey && focusIndex === 0) {
+ focusableEls[focusableEls.length - 1].focus();
+ event.preventDefault();
+ } else if (!event.shiftKey && focusIndex === focusableEls.length - 1) {
+ focusableEls[0].focus();
+ event.preventDefault();
+ }
+ };
+
+ /**
+ * get all focusable elements
+ *
+ * @private
+ */
+
+
+ ModalDialog.prototype.focusableEls_ = function focusableEls_() {
+ var allChildren = this.el_.querySelectorAll('*');
+
+ return Array.prototype.filter.call(allChildren, function (child) {
+ return (child instanceof window_1.HTMLAnchorElement || child instanceof window_1.HTMLAreaElement) && child.hasAttribute('href') || (child instanceof window_1.HTMLInputElement || child instanceof window_1.HTMLSelectElement || child instanceof window_1.HTMLTextAreaElement || child instanceof window_1.HTMLButtonElement) && !child.hasAttribute('disabled') || child instanceof window_1.HTMLIFrameElement || child instanceof window_1.HTMLObjectElement || child instanceof window_1.HTMLEmbedElement || child.hasAttribute('tabindex') && child.getAttribute('tabindex') !== -1 || child.hasAttribute('contenteditable');
+ });
+ };
+
+ return ModalDialog;
+ }(Component);
+
+ /**
+ * Default options for `ModalDialog` default options.
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ ModalDialog.prototype.options_ = {
+ pauseOnOpen: true,
+ temporary: true
+ };
+
+ Component.registerComponent('ModalDialog', ModalDialog);
+
+ /**
+ * @file track-list.js
+ */
+ /**
+ * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and
+ * {@link VideoTrackList}
+ *
+ * @extends EventTarget
+ */
+
+ var TrackList = function (_EventTarget) {
+ inherits(TrackList, _EventTarget);
+
+ /**
+ * Create an instance of this class
+ *
+ * @param {Track[]} tracks
+ * A list of tracks to initialize the list with.
+ *
+ * @param {Object} [list]
+ * The child object with inheritance done manually for ie8.
+ *
+ * @abstract
+ */
+ function TrackList() {
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+
+ var _ret;
+
+ var list = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+ classCallCheck(this, TrackList);
+
+ var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+ if (!list) {
+ list = _this; // eslint-disable-line
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ }
+ }
+
+ list.tracks_ = [];
+
+ /**
+ * @memberof TrackList
+ * @member {number} length
+ * The current number of `Track`s in the this Trackist.
+ * @instance
+ */
+ Object.defineProperty(list, 'length', {
+ get: function get$$1() {
+ return this.tracks_.length;
+ }
+ });
+
+ for (var i = 0; i < tracks.length; i++) {
+ list.addTrack(tracks[i]);
+ }
+
+ // must return the object, as for ie8 it will not be this
+ // but a reference to a document object
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a {@link Track} to the `TrackList`
+ *
+ * @param {Track} track
+ * The audio, video, or text track to add to the list.
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ TrackList.prototype.addTrack = function addTrack(track) {
+ var index = this.tracks_.length;
+
+ if (!('' + index in this)) {
+ Object.defineProperty(this, index, {
+ get: function get$$1() {
+ return this.tracks_[index];
+ }
+ });
+ }
+
+ // Do not add duplicate tracks
+ if (this.tracks_.indexOf(track) === -1) {
+ this.tracks_.push(track);
+ /**
+ * Triggered when a track is added to a track list.
+ *
+ * @event TrackList#addtrack
+ * @type {EventTarget~Event}
+ * @property {Track} track
+ * A reference to track that was added.
+ */
+ this.trigger({
+ track: track,
+ type: 'addtrack'
+ });
+ }
+ };
+
+ /**
+ * Remove a {@link Track} from the `TrackList`
+ *
+ * @param {Track} rtrack
+ * The audio, video, or text track to remove from the list.
+ *
+ * @fires TrackList#removetrack
+ */
+
+
+ TrackList.prototype.removeTrack = function removeTrack(rtrack) {
+ var track = void 0;
+
+ for (var i = 0, l = this.length; i < l; i++) {
+ if (this[i] === rtrack) {
+ track = this[i];
+ if (track.off) {
+ track.off();
+ }
+
+ this.tracks_.splice(i, 1);
+
+ break;
+ }
+ }
+
+ if (!track) {
+ return;
+ }
+
+ /**
+ * Triggered when a track is removed from track list.
+ *
+ * @event TrackList#removetrack
+ * @type {EventTarget~Event}
+ * @property {Track} track
+ * A reference to track that was removed.
+ */
+ this.trigger({
+ track: track,
+ type: 'removetrack'
+ });
+ };
+
+ /**
+ * Get a Track from the TrackList by a tracks id
+ *
+ * @param {String} id - the id of the track to get
+ * @method getTrackById
+ * @return {Track}
+ * @private
+ */
+
+
+ TrackList.prototype.getTrackById = function getTrackById(id) {
+ var result = null;
+
+ for (var i = 0, l = this.length; i < l; i++) {
+ var track = this[i];
+
+ if (track.id === id) {
+ result = track;
+ break;
+ }
+ }
+
+ return result;
+ };
+
+ return TrackList;
+ }(EventTarget);
+
+ /**
+ * Triggered when a different track is selected/enabled.
+ *
+ * @event TrackList#change
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Events that can be called with on + eventName. See {@link EventHandler}.
+ *
+ * @property {Object} TrackList#allowedEvents_
+ * @private
+ */
+
+
+ TrackList.prototype.allowedEvents_ = {
+ change: 'change',
+ addtrack: 'addtrack',
+ removetrack: 'removetrack'
+ };
+
+// emulate attribute EventHandler support to allow for feature detection
+ for (var event in TrackList.prototype.allowedEvents_) {
+ TrackList.prototype['on' + event] = null;
+ }
+
+ /**
+ * @file audio-track-list.js
+ */
+ /**
+ * Anywhere we call this function we diverge from the spec
+ * as we only support one enabled audiotrack at a time
+ *
+ * @param {AudioTrackList} list
+ * list to work on
+ *
+ * @param {AudioTrack} track
+ * The track to skip
+ *
+ * @private
+ */
+ var disableOthers = function disableOthers(list, track) {
+ for (var i = 0; i < list.length; i++) {
+ if (!Object.keys(list[i]).length || track.id === list[i].id) {
+ continue;
+ }
+ // another audio track is enabled, disable it
+ list[i].enabled = false;
+ }
+ };
+
+ /**
+ * The current list of {@link AudioTrack} for a media file.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist}
+ * @extends TrackList
+ */
+
+ var AudioTrackList = function (_TrackList) {
+ inherits(AudioTrackList, _TrackList);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {AudioTrack[]} [tracks=[]]
+ * A list of `AudioTrack` to instantiate the list with.
+ */
+ function AudioTrackList() {
+ var _this, _ret;
+
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, AudioTrackList);
+
+ var list = void 0;
+
+ // make sure only 1 track is enabled
+ // sorted from last index to first index
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ if (tracks[i].enabled) {
+ disableOthers(tracks, tracks[i]);
+ break;
+ }
+ }
+
+ // IE8 forces us to implement inheritance ourselves
+ // as it does not support Object.defineProperty properly
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ for (var _prop in AudioTrackList.prototype) {
+ if (_prop !== 'constructor') {
+ list[_prop] = AudioTrackList.prototype[_prop];
+ }
+ }
+ }
+
+ list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
+ list.changing_ = false;
+
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add an {@link AudioTrack} to the `AudioTrackList`.
+ *
+ * @param {AudioTrack} track
+ * The AudioTrack to add to the list
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ AudioTrackList.prototype.addTrack = function addTrack(track) {
+ var _this2 = this;
+
+ if (track.enabled) {
+ disableOthers(this, track);
+ }
+
+ _TrackList.prototype.addTrack.call(this, track);
+ // native tracks don't have this
+ if (!track.addEventListener) {
+ return;
+ }
+
+ /**
+ * @listens AudioTrack#enabledchange
+ * @fires TrackList#change
+ */
+ track.addEventListener('enabledchange', function () {
+ // when we are disabling other tracks (since we don't support
+ // more than one track at a time) we will set changing_
+ // to true so that we don't trigger additional change events
+ if (_this2.changing_) {
+ return;
+ }
+ _this2.changing_ = true;
+ disableOthers(_this2, track);
+ _this2.changing_ = false;
+ _this2.trigger('change');
+ });
+ };
+
+ return AudioTrackList;
+ }(TrackList);
+
+ /**
+ * @file video-track-list.js
+ */
+ /**
+ * Un-select all other {@link VideoTrack}s that are selected.
+ *
+ * @param {VideoTrackList} list
+ * list to work on
+ *
+ * @param {VideoTrack} track
+ * The track to skip
+ *
+ * @private
+ */
+ var disableOthers$1 = function disableOthers(list, track) {
+ for (var i = 0; i < list.length; i++) {
+ if (!Object.keys(list[i]).length || track.id === list[i].id) {
+ continue;
+ }
+ // another video track is enabled, disable it
+ list[i].selected = false;
+ }
+ };
+
+ /**
+ * The current list of {@link VideoTrack} for a video.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist}
+ * @extends TrackList
+ */
+
+ var VideoTrackList = function (_TrackList) {
+ inherits(VideoTrackList, _TrackList);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {VideoTrack[]} [tracks=[]]
+ * A list of `VideoTrack` to instantiate the list with.
+ */
+ function VideoTrackList() {
+ var _this, _ret;
+
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, VideoTrackList);
+
+ var list = void 0;
+
+ // make sure only 1 track is enabled
+ // sorted from last index to first index
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ if (tracks[i].selected) {
+ disableOthers$1(tracks, tracks[i]);
+ break;
+ }
+ }
+
+ // IE8 forces us to implement inheritance ourselves
+ // as it does not support Object.defineProperty properly
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ for (var _prop in VideoTrackList.prototype) {
+ if (_prop !== 'constructor') {
+ list[_prop] = VideoTrackList.prototype[_prop];
+ }
+ }
+ }
+
+ list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
+ list.changing_ = false;
+
+ /**
+ * @member {number} VideoTrackList#selectedIndex
+ * The current index of the selected {@link VideoTrack`}.
+ */
+ Object.defineProperty(list, 'selectedIndex', {
+ get: function get$$1() {
+ for (var _i = 0; _i < this.length; _i++) {
+ if (this[_i].selected) {
+ return _i;
+ }
+ }
+ return -1;
+ },
+ set: function set$$1() {
+ }
+ });
+
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a {@link VideoTrack} to the `VideoTrackList`.
+ *
+ * @param {VideoTrack} track
+ * The VideoTrack to add to the list
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ VideoTrackList.prototype.addTrack = function addTrack(track) {
+ var _this2 = this;
+
+ if (track.selected) {
+ disableOthers$1(this, track);
+ }
+
+ _TrackList.prototype.addTrack.call(this, track);
+ // native tracks don't have this
+ if (!track.addEventListener) {
+ return;
+ }
+
+ /**
+ * @listens VideoTrack#selectedchange
+ * @fires TrackList#change
+ */
+ track.addEventListener('selectedchange', function () {
+ if (_this2.changing_) {
+ return;
+ }
+ _this2.changing_ = true;
+ disableOthers$1(_this2, track);
+ _this2.changing_ = false;
+ _this2.trigger('change');
+ });
+ };
+
+ return VideoTrackList;
+ }(TrackList);
+
+ /**
+ * @file text-track-list.js
+ */
+ /**
+ * The current list of {@link TextTrack} for a media file.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttracklist}
+ * @extends TrackList
+ */
+
+ var TextTrackList = function (_TrackList) {
+ inherits(TextTrackList, _TrackList);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {TextTrack[]} [tracks=[]]
+ * A list of `TextTrack` to instantiate the list with.
+ */
+ function TextTrackList() {
+ var _this, _ret;
+
+ var tracks = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, TextTrackList);
+
+ var list = void 0;
+
+ // IE8 forces us to implement inheritance ourselves
+ // as it does not support Object.defineProperty properly
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+ for (var prop in TrackList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TrackList.prototype[prop];
+ }
+ }
+ for (var _prop in TextTrackList.prototype) {
+ if (_prop !== 'constructor') {
+ list[_prop] = TextTrackList.prototype[_prop];
+ }
+ }
+ }
+
+ list = (_this = possibleConstructorReturn(this, _TrackList.call(this, tracks, list)), _this);
+ return _ret = list, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a {@link TextTrack} to the `TextTrackList`
+ *
+ * @param {TextTrack} track
+ * The text track to add to the list.
+ *
+ * @fires TrackList#addtrack
+ */
+
+
+ TextTrackList.prototype.addTrack = function addTrack(track) {
+ _TrackList.prototype.addTrack.call(this, track);
+
+ /**
+ * @listens TextTrack#modechange
+ * @fires TrackList#change
+ */
+ track.addEventListener('modechange', bind(this, function () {
+ this.trigger('change');
+ }));
+
+ var nonLanguageTextTrackKind = ['metadata', 'chapters'];
+
+ if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) {
+ track.addEventListener('modechange', bind(this, function () {
+ this.trigger('selectedlanguagechange');
+ }));
+ }
+ };
+
+ return TextTrackList;
+ }(TrackList);
+
+ /**
+ * @file html-track-element-list.js
+ */
+
+ /**
+ * The current list of {@link HtmlTrackElement}s.
+ */
+
+ var HtmlTrackElementList = function () {
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {HtmlTrackElement[]} [tracks=[]]
+ * A list of `HtmlTrackElement` to instantiate the list with.
+ */
+ function HtmlTrackElementList() {
+ var trackElements = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ classCallCheck(this, HtmlTrackElementList);
+
+ var list = this; // eslint-disable-line
+
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+
+ for (var prop in HtmlTrackElementList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = HtmlTrackElementList.prototype[prop];
+ }
+ }
+ }
+
+ list.trackElements_ = [];
+
+ /**
+ * @memberof HtmlTrackElementList
+ * @member {number} length
+ * The current number of `Track`s in the this Trackist.
+ * @instance
+ */
+ Object.defineProperty(list, 'length', {
+ get: function get$$1() {
+ return this.trackElements_.length;
+ }
+ });
+
+ for (var i = 0, length = trackElements.length; i < length; i++) {
+ list.addTrackElement_(trackElements[i]);
+ }
+
+ if (IS_IE8) {
+ return list;
+ }
+ }
+
+ /**
+ * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList`
+ *
+ * @param {HtmlTrackElement} trackElement
+ * The track element to add to the list.
+ *
+ * @private
+ */
+
+
+ HtmlTrackElementList.prototype.addTrackElement_ = function addTrackElement_(trackElement) {
+ var index = this.trackElements_.length;
+
+ if (!('' + index in this)) {
+ Object.defineProperty(this, index, {
+ get: function get$$1() {
+ return this.trackElements_[index];
+ }
+ });
+ }
+
+ // Do not add duplicate elements
+ if (this.trackElements_.indexOf(trackElement) === -1) {
+ this.trackElements_.push(trackElement);
+ }
+ };
+
+ /**
+ * Get an {@link HtmlTrackElement} from the `HtmlTrackElementList` given an
+ * {@link TextTrack}.
+ *
+ * @param {TextTrack} track
+ * The track associated with a track element.
+ *
+ * @return {HtmlTrackElement|undefined}
+ * The track element that was found or undefined.
+ *
+ * @private
+ */
+
+
+ HtmlTrackElementList.prototype.getTrackElementByTrack_ = function getTrackElementByTrack_(track) {
+ var trackElement_ = void 0;
+
+ for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+ if (track === this.trackElements_[i].track) {
+ trackElement_ = this.trackElements_[i];
+
+ break;
+ }
+ }
+
+ return trackElement_;
+ };
+
+ /**
+ * Remove a {@link HtmlTrackElement} from the `HtmlTrackElementList`
+ *
+ * @param {HtmlTrackElement} trackElement
+ * The track element to remove from the list.
+ *
+ * @private
+ */
+
+
+ HtmlTrackElementList.prototype.removeTrackElement_ = function removeTrackElement_(trackElement) {
+ for (var i = 0, length = this.trackElements_.length; i < length; i++) {
+ if (trackElement === this.trackElements_[i]) {
+ this.trackElements_.splice(i, 1);
+
+ break;
+ }
+ }
+ };
+
+ return HtmlTrackElementList;
+ }();
+
+ /**
+ * @file text-track-cue-list.js
+ */
+ /**
+ * @typedef {Object} TextTrackCueList~TextTrackCue
+ *
+ * @property {string} id
+ * The unique id for this text track cue
+ *
+ * @property {number} startTime
+ * The start time for this text track cue
+ *
+ * @property {number} endTime
+ * The end time for this text track cue
+ *
+ * @property {boolean} pauseOnExit
+ * Pause when the end time is reached if true.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcue}
+ */
+
+ /**
+ * A List of TextTrackCues.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackcuelist}
+ */
+
+ var TextTrackCueList = function () {
+
+ /**
+ * Create an instance of this class..
+ *
+ * @param {Array} cues
+ * A list of cues to be initialized with
+ */
+ function TextTrackCueList(cues) {
+ classCallCheck(this, TextTrackCueList);
+
+ var list = this; // eslint-disable-line
+
+ if (IS_IE8) {
+ list = document_1.createElement('custom');
+
+ for (var prop in TextTrackCueList.prototype) {
+ if (prop !== 'constructor') {
+ list[prop] = TextTrackCueList.prototype[prop];
+ }
+ }
+ }
+
+ TextTrackCueList.prototype.setCues_.call(list, cues);
+
+ /**
+ * @memberof TextTrackCueList
+ * @member {number} length
+ * The current number of `TextTrackCue`s in the TextTrackCueList.
+ * @instance
+ */
+ Object.defineProperty(list, 'length', {
+ get: function get$$1() {
+ return this.length_;
+ }
+ });
+
+ if (IS_IE8) {
+ return list;
+ }
+ }
+
+ /**
+ * A setter for cues in this list. Creates getters
+ * an an index for the cues.
+ *
+ * @param {Array} cues
+ * An array of cues to set
+ *
+ * @private
+ */
+
+
+ TextTrackCueList.prototype.setCues_ = function setCues_(cues) {
+ var oldLength = this.length || 0;
+ var i = 0;
+ var l = cues.length;
+
+ this.cues_ = cues;
+ this.length_ = cues.length;
+
+ var defineProp = function defineProp(index) {
+ if (!('' + index in this)) {
+ Object.defineProperty(this, '' + index, {
+ get: function get$$1() {
+ return this.cues_[index];
+ }
+ });
+ }
+ };
+
+ if (oldLength < l) {
+ i = oldLength;
+
+ for (; i < l; i++) {
+ defineProp.call(this, i);
+ }
+ }
+ };
+
+ /**
+ * Get a `TextTrackCue` that is currently in the `TextTrackCueList` by id.
+ *
+ * @param {string} id
+ * The id of the cue that should be searched for.
+ *
+ * @return {TextTrackCueList~TextTrackCue|null}
+ * A single cue or null if none was found.
+ */
+
+
+ TextTrackCueList.prototype.getCueById = function getCueById(id) {
+ var result = null;
+
+ for (var i = 0, l = this.length; i < l; i++) {
+ var cue = this[i];
+
+ if (cue.id === id) {
+ result = cue;
+ break;
+ }
+ }
+
+ return result;
+ };
+
+ return TextTrackCueList;
+ }();
+
+ /**
+ * @file track-kinds.js
+ */
+
+ /**
+ * All possible `VideoTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-videotrack-kind
+ * @typedef VideoTrack~Kind
+ * @enum
+ */
+ var VideoTrackKind = {
+ alternative: 'alternative',
+ captions: 'captions',
+ main: 'main',
+ sign: 'sign',
+ subtitles: 'subtitles',
+ commentary: 'commentary'
+ };
+
+ /**
+ * All possible `AudioTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-audiotrack-kind
+ * @typedef AudioTrack~Kind
+ * @enum
+ */
+ var AudioTrackKind = {
+ 'alternative': 'alternative',
+ 'descriptions': 'descriptions',
+ 'main': 'main',
+ 'main-desc': 'main-desc',
+ 'translation': 'translation',
+ 'commentary': 'commentary'
+ };
+
+ /**
+ * All possible `TextTrackKind`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-texttrack-kind
+ * @typedef TextTrack~Kind
+ * @enum
+ */
+ var TextTrackKind = {
+ subtitles: 'subtitles',
+ captions: 'captions',
+ descriptions: 'descriptions',
+ chapters: 'chapters',
+ metadata: 'metadata'
+ };
+
+ /**
+ * All possible `TextTrackMode`s
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#texttrackmode
+ * @typedef TextTrack~Mode
+ * @enum
+ */
+ var TextTrackMode = {
+ disabled: 'disabled',
+ hidden: 'hidden',
+ showing: 'showing'
+ };
+
+ /**
+ * @file track.js
+ */
+ /**
+ * A Track class that contains all of the common functionality for {@link AudioTrack},
+ * {@link VideoTrack}, and {@link TextTrack}.
+ *
+ * > Note: This class should not be used directly
+ *
+ * @see {@link https://html.spec.whatwg.org/multipage/embedded-content.html}
+ * @extends EventTarget
+ * @abstract
+ */
+
+ var Track = function (_EventTarget) {
+ inherits(Track, _EventTarget);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {string} [options.kind='']
+ * A valid kind for the track type you are creating.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @abstract
+ */
+ function Track() {
+ var _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, Track);
+
+ var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+ var track = _this; // eslint-disable-line
+
+ if (IS_IE8) {
+ track = document_1.createElement('custom');
+ for (var prop in Track.prototype) {
+ if (prop !== 'constructor') {
+ track[prop] = Track.prototype[prop];
+ }
+ }
+ }
+
+ var trackProps = {
+ id: options.id || 'vjs_track_' + newGUID(),
+ kind: options.kind || '',
+ label: options.label || '',
+ language: options.language || ''
+ };
+
+ /**
+ * @memberof Track
+ * @member {string} id
+ * The id of this track. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ /**
+ * @memberof Track
+ * @member {string} kind
+ * The kind of track that this is. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ /**
+ * @memberof Track
+ * @member {string} label
+ * The label of this track. Cannot be changed after creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ /**
+ * @memberof Track
+ * @member {string} language
+ * The two letter language code for this track. Cannot be changed after
+ * creation.
+ * @instance
+ *
+ * @readonly
+ */
+
+ var _loop = function _loop(key) {
+ Object.defineProperty(track, key, {
+ get: function get$$1() {
+ return trackProps[key];
+ },
+ set: function set$$1() {
+ }
+ });
+ };
+
+ for (var key in trackProps) {
+ _loop(key);
+ }
+
+ return _ret = track, possibleConstructorReturn(_this, _ret);
+ }
+
+ return Track;
+ }(EventTarget);
+
+ /**
+ * @file url.js
+ * @module url
+ */
+ /**
+ * @typedef {Object} url:URLObject
+ *
+ * @property {string} protocol
+ * The protocol of the url that was parsed.
+ *
+ * @property {string} hostname
+ * The hostname of the url that was parsed.
+ *
+ * @property {string} port
+ * The port of the url that was parsed.
+ *
+ * @property {string} pathname
+ * The pathname of the url that was parsed.
+ *
+ * @property {string} search
+ * The search query of the url that was parsed.
+ *
+ * @property {string} hash
+ * The hash of the url that was parsed.
+ *
+ * @property {string} host
+ * The host of the url that was parsed.
+ */
+
+ /**
+ * Resolve and parse the elements of a URL.
+ *
+ * @param {String} url
+ * The url to parse
+ *
+ * @return {url:URLObject}
+ * An object of url details
+ */
+ var parseUrl = function parseUrl(url) {
+ var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host'];
+
+ // add the url to an anchor and let the browser parse the URL
+ var a = document_1.createElement('a');
+
+ a.href = url;
+
+ // IE8 (and 9?) Fix
+ // ie8 doesn't parse the URL correctly until the anchor is actually
+ // added to the body, and an innerHTML is needed to trigger the parsing
+ var addToBody = a.host === '' && a.protocol !== 'file:';
+ var div = void 0;
+
+ if (addToBody) {
+ div = document_1.createElement('div');
+ div.innerHTML = '<a href="' + url + '"></a>';
+ a = div.firstChild;
+ // prevent the div from affecting layout
+ div.setAttribute('style', 'display:none; position:absolute;');
+ document_1.body.appendChild(div);
+ }
+
+ // Copy the specific URL properties to a new object
+ // This is also needed for IE8 because the anchor loses its
+ // properties when it's removed from the dom
+ var details = {};
+
+ for (var i = 0; i < props.length; i++) {
+ details[props[i]] = a[props[i]];
+ }
+
+ // IE9 adds the port to the host property unlike everyone else. If
+ // a port identifier is added for standard ports, strip it.
+ if (details.protocol === 'http:') {
+ details.host = details.host.replace(/:80$/, '');
+ }
+
+ if (details.protocol === 'https:') {
+ details.host = details.host.replace(/:443$/, '');
+ }
+
+ if (!details.protocol) {
+ details.protocol = window_1.location.protocol;
+ }
+
+ if (addToBody) {
+ document_1.body.removeChild(div);
+ }
+
+ return details;
+ };
+
+ /**
+ * Get absolute version of relative URL. Used to tell flash correct URL.
+ *
+ *
+ * @param {string} url
+ * URL to make absolute
+ *
+ * @return {string}
+ * Absolute URL
+ *
+ * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
+ */
+ var getAbsoluteURL = function getAbsoluteURL(url) {
+ // Check if absolute URL
+ if (!url.match(/^https?:\/\//)) {
+ // Convert to absolute URL. Flash hosted off-site needs an absolute URL.
+ var div = document_1.createElement('div');
+
+ div.innerHTML = '<a href="' + url + '">x</a>';
+ url = div.firstChild.href;
+ }
+
+ return url;
+ };
+
+ /**
+ * Returns the extension of the passed file name. It will return an empty string
+ * if passed an invalid path.
+ *
+ * @param {string} path
+ * The fileName path like '/path/to/file.mp4'
+ *
+ * @returns {string}
+ * The extension in lower case or an empty string if no
+ * extension could be found.
+ */
+ var getFileExtension = function getFileExtension(path) {
+ if (typeof path === 'string') {
+ var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/i;
+ var pathParts = splitPathRe.exec(path);
+
+ if (pathParts) {
+ return pathParts.pop().toLowerCase();
+ }
+ }
+
+ return '';
+ };
+
+ /**
+ * Returns whether the url passed is a cross domain request or not.
+ *
+ * @param {string} url
+ * The url to check.
+ *
+ * @return {boolean}
+ * Whether it is a cross domain request or not.
+ */
+ var isCrossOrigin = function isCrossOrigin(url) {
+ var winLoc = window_1.location;
+ var urlInfo = parseUrl(url);
+
+ // IE8 protocol relative urls will return ':' for protocol
+ var srcProtocol = urlInfo.protocol === ':' ? winLoc.protocol : urlInfo.protocol;
+
+ // Check if url is for another domain/origin
+ // IE8 doesn't know location.origin, so we won't rely on it here
+ var crossOrigin = srcProtocol + urlInfo.host !== winLoc.protocol + winLoc.host;
+
+ return crossOrigin;
+ };
+
+ var Url = (Object.freeze || Object)({
+ parseUrl: parseUrl,
+ getAbsoluteURL: getAbsoluteURL,
+ getFileExtension: getFileExtension,
+ isCrossOrigin: isCrossOrigin
+ });
+
+ var index$1 = isFunction;
+
+ var toString$1 = Object.prototype.toString;
+
+ function isFunction(fn) {
+ var string = toString$1.call(fn);
+ return string === '[object Function]' ||
+ (typeof fn === 'function' && string !== '[object RegExp]') ||
+ (typeof window !== 'undefined' &&
+ // IE8 and below
+ (fn === window.setTimeout ||
+ fn === window.alert ||
+ fn === window.confirm ||
+ fn === window.prompt))
+ }
+
+ var index$3 = createCommonjsModule(function (module, exports) {
+ exports = module.exports = trim;
+
+ function trim(str) {
+ return str.replace(/^\s*|\s*$/g, '');
+ }
+
+ exports.left = function (str) {
+ return str.replace(/^\s*/, '');
+ };
+
+ exports.right = function (str) {
+ return str.replace(/\s*$/, '');
+ };
+ });
+
+ var index$5 = forEach;
+
+ var toString$2 = Object.prototype.toString;
+ var hasOwnProperty = Object.prototype.hasOwnProperty;
+
+ function forEach(list, iterator, context) {
+ if (!index$1(iterator)) {
+ throw new TypeError('iterator must be a function')
+ }
+
+ if (arguments.length < 3) {
+ context = this;
+ }
+
+ if (toString$2.call(list) === '[object Array]')
+ forEachArray$1(list, iterator, context);
+ else if (typeof list === 'string')
+ forEachString(list, iterator, context);
+ else
+ forEachObject(list, iterator, context);
+ }
+
+ function forEachArray$1(array, iterator, context) {
+ for (var i = 0, len = array.length; i < len; i++) {
+ if (hasOwnProperty.call(array, i)) {
+ iterator.call(context, array[i], i, array);
+ }
+ }
+ }
+
+ function forEachString(string, iterator, context) {
+ for (var i = 0, len = string.length; i < len; i++) {
+ // no such thing as a sparse string.
+ iterator.call(context, string.charAt(i), i, string);
+ }
+ }
+
+ function forEachObject(object, iterator, context) {
+ for (var k in object) {
+ if (hasOwnProperty.call(object, k)) {
+ iterator.call(context, object[k], k, object);
+ }
+ }
+ }
+
+ var isArray = function (arg) {
+ return Object.prototype.toString.call(arg) === '[object Array]';
+ };
+
+ var parseHeaders = function (headers) {
+ if (!headers)
+ return {}
+
+ var result = {};
+
+ index$5(
+ index$3(headers).split('\n')
+ , function (row) {
+ var index = row.indexOf(':')
+ , key = index$3(row.slice(0, index)).toLowerCase()
+ , value = index$3(row.slice(index + 1));
+
+ if (typeof(result[key]) === 'undefined') {
+ result[key] = value;
+ } else if (isArray(result[key])) {
+ result[key].push(value);
+ } else {
+ result[key] = [result[key], value];
+ }
+ }
+ );
+
+ return result
+ };
+
+ var immutable = extend;
+
+ var hasOwnProperty$1 = Object.prototype.hasOwnProperty;
+
+ function extend() {
+ var target = {};
+
+ for (var i = 0; i < arguments.length; i++) {
+ var source = arguments[i];
+
+ for (var key in source) {
+ if (hasOwnProperty$1.call(source, key)) {
+ target[key] = source[key];
+ }
+ }
+ }
+
+ return target
+ }
+
+ var index = createXHR;
+ createXHR.XMLHttpRequest = window_1.XMLHttpRequest || noop;
+ createXHR.XDomainRequest = "withCredentials" in (new createXHR.XMLHttpRequest()) ? createXHR.XMLHttpRequest : window_1.XDomainRequest;
+
+ forEachArray(["get", "put", "post", "patch", "head", "delete"], function (method) {
+ createXHR[method === "delete" ? "del" : method] = function (uri, options, callback) {
+ options = initParams(uri, options, callback);
+ options.method = method.toUpperCase();
+ return _createXHR(options)
+ };
+ });
+
+ function forEachArray(array, iterator) {
+ for (var i = 0; i < array.length; i++) {
+ iterator(array[i]);
+ }
+ }
+
+ function isEmpty(obj) {
+ for (var i in obj) {
+ if (obj.hasOwnProperty(i)) return false
+ }
+ return true
+ }
+
+ function initParams(uri, options, callback) {
+ var params = uri;
+
+ if (index$1(options)) {
+ callback = options;
+ if (typeof uri === "string") {
+ params = {uri: uri};
+ }
+ } else {
+ params = immutable(options, {uri: uri});
+ }
+
+ params.callback = callback;
+ return params
+ }
+
+ function createXHR(uri, options, callback) {
+ options = initParams(uri, options, callback);
+ return _createXHR(options)
+ }
+
+ function _createXHR(options) {
+ if (typeof options.callback === "undefined") {
+ throw new Error("callback argument missing")
+ }
+
+ var called = false;
+ var callback = function cbOnce(err, response, body) {
+ if (!called) {
+ called = true;
+ options.callback(err, response, body);
+ }
+ };
+
+ function readystatechange() {
+ if (xhr.readyState === 4) {
+ setTimeout(loadFunc, 0);
+ }
+ }
+
+ function getBody() {
+ // Chrome with requestType=blob throws errors arround when even testing access to responseText
+ var body = undefined;
+
+ if (xhr.response) {
+ body = xhr.response;
+ } else {
+ body = xhr.responseText || getXml(xhr);
+ }
+
+ if (isJson) {
+ try {
+ body = JSON.parse(body);
+ } catch (e) {
+ }
+ }
+
+ return body
+ }
+
+ function errorFunc(evt) {
+ clearTimeout(timeoutTimer);
+ if (!(evt instanceof Error)) {
+ evt = new Error("" + (evt || "Unknown XMLHttpRequest Error"));
+ }
+ evt.statusCode = 0;
+ return callback(evt, failureResponse)
+ }
+
+ // will load the data & process the response in a special response object
+ function loadFunc() {
+ if (aborted) return
+ var status;
+ clearTimeout(timeoutTimer);
+ if (options.useXDR && xhr.status === undefined) {
+ //IE8 CORS GET successful response doesn't have a status field, but body is fine
+ status = 200;
+ } else {
+ status = (xhr.status === 1223 ? 204 : xhr.status);
+ }
+ var response = failureResponse;
+ var err = null;
+
+ if (status !== 0) {
+ response = {
+ body: getBody(),
+ statusCode: status,
+ method: method,
+ headers: {},
+ url: uri,
+ rawRequest: xhr
+ };
+ if (xhr.getAllResponseHeaders) { //remember xhr can in fact be XDR for CORS in IE
+ response.headers = parseHeaders(xhr.getAllResponseHeaders());
+ }
+ } else {
+ err = new Error("Internal XMLHttpRequest Error");
+ }
+ return callback(err, response, response.body)
+ }
+
+ var xhr = options.xhr || null;
+
+ if (!xhr) {
+ if (options.cors || options.useXDR) {
+ xhr = new createXHR.XDomainRequest();
+ } else {
+ xhr = new createXHR.XMLHttpRequest();
+ }
+ }
+
+ var key;
+ var aborted;
+ var uri = xhr.url = options.uri || options.url;
+ var method = xhr.method = options.method || "GET";
+ var body = options.body || options.data;
+ var headers = xhr.headers = options.headers || {};
+ var sync = !!options.sync;
+ var isJson = false;
+ var timeoutTimer;
+ var failureResponse = {
+ body: undefined,
+ headers: {},
+ statusCode: 0,
+ method: method,
+ url: uri,
+ rawRequest: xhr
+ };
+
+ if ("json" in options && options.json !== false) {
+ isJson = true;
+ headers["accept"] || headers["Accept"] || (headers["Accept"] = "application/json"); //Don't override existing accept header declared by user
+ if (method !== "GET" && method !== "HEAD") {
+ headers["content-type"] || headers["Content-Type"] || (headers["Content-Type"] = "application/json"); //Don't override existing accept header declared by user
+ body = JSON.stringify(options.json === true ? body : options.json);
+ }
+ }
+
+ xhr.onreadystatechange = readystatechange;
+ xhr.onload = loadFunc;
+ xhr.onerror = errorFunc;
+ // IE9 must have onprogress be set to a unique function.
+ xhr.onprogress = function () {
+ // IE must die
+ };
+ xhr.onabort = function () {
+ aborted = true;
+ };
+ xhr.ontimeout = errorFunc;
+ xhr.open(method, uri, !sync, options.username, options.password);
+ //has to be after open
+ if (!sync) {
+ xhr.withCredentials = !!options.withCredentials;
+ }
+ // Cannot set timeout with sync request
+ // not setting timeout on the xhr object, because of old webkits etc. not handling that correctly
+ // both npm's request and jquery 1.x use this kind of timeout, so this is being consistent
+ if (!sync && options.timeout > 0) {
+ timeoutTimer = setTimeout(function () {
+ if (aborted) return
+ aborted = true;//IE9 may still call readystatechange
+ xhr.abort("timeout");
+ var e = new Error("XMLHttpRequest timeout");
+ e.code = "ETIMEDOUT";
+ errorFunc(e);
+ }, options.timeout);
+ }
+
+ if (xhr.setRequestHeader) {
+ for (key in headers) {
+ if (headers.hasOwnProperty(key)) {
+ xhr.setRequestHeader(key, headers[key]);
+ }
+ }
+ } else if (options.headers && !isEmpty(options.headers)) {
+ throw new Error("Headers cannot be set on an XDomainRequest object")
+ }
+
+ if ("responseType" in options) {
+ xhr.responseType = options.responseType;
+ }
+
+ if ("beforeSend" in options &&
+ typeof options.beforeSend === "function"
+ ) {
+ options.beforeSend(xhr);
+ }
+
+ // Microsoft Edge browser sends "undefined" when send is called with undefined value.
+ // XMLHttpRequest spec says to pass null as body to indicate no body
+ // See https://github.com/naugtur/xhr/issues/100.
+ xhr.send(body || null);
+
+ return xhr
+
+
+ }
+
+ function getXml(xhr) {
+ if (xhr.responseType === "document") {
+ return xhr.responseXML
+ }
+ var firefoxBugTakenEffect = xhr.responseXML && xhr.responseXML.documentElement.nodeName === "parsererror";
+ if (xhr.responseType === "" && !firefoxBugTakenEffect) {
+ return xhr.responseXML
+ }
+
+ return null
+ }
+
+ function noop() {
+ }
+
+ /**
+ * @file text-track.js
+ */
+ /**
+ * Takes a webvtt file contents and parses it into cues
+ *
+ * @param {string} srcContent
+ * webVTT file contents
+ *
+ * @param {TextTrack} track
+ * TextTrack to add cues to. Cues come from the srcContent.
+ *
+ * @private
+ */
+ var parseCues = function parseCues(srcContent, track) {
+ var parser = new window_1.WebVTT.Parser(window_1, window_1.vttjs, window_1.WebVTT.StringDecoder());
+ var errors = [];
+
+ parser.oncue = function (cue) {
+ track.addCue(cue);
+ };
+
+ parser.onparsingerror = function (error) {
+ errors.push(error);
+ };
+
+ parser.onflush = function () {
+ track.trigger({
+ type: 'loadeddata',
+ target: track
+ });
+ };
+
+ parser.parse(srcContent);
+ if (errors.length > 0) {
+ if (window_1.console && window_1.console.groupCollapsed) {
+ window_1.console.groupCollapsed('Text Track parsing errors for ' + track.src);
+ }
+ errors.forEach(function (error) {
+ return log$1.error(error);
+ });
+ if (window_1.console && window_1.console.groupEnd) {
+ window_1.console.groupEnd();
+ }
+ }
+
+ parser.flush();
+ };
+
+ /**
+ * Load a `TextTrack` from a specifed url.
+ *
+ * @param {string} src
+ * Url to load track from.
+ *
+ * @param {TextTrack} track
+ * Track to add cues to. Comes from the content at the end of `url`.
+ *
+ * @private
+ */
+ var loadTrack = function loadTrack(src, track) {
+ var opts = {
+ uri: src
+ };
+ var crossOrigin = isCrossOrigin(src);
+
+ if (crossOrigin) {
+ opts.cors = crossOrigin;
+ }
+
+ index(opts, bind(this, function (err, response, responseBody) {
+ if (err) {
+ return log$1.error(err, response);
+ }
+
+ track.loaded_ = true;
+
+ // Make sure that vttjs has loaded, otherwise, wait till it finished loading
+ // NOTE: this is only used for the alt/video.novtt.js build
+ if (typeof window_1.WebVTT !== 'function') {
+ if (track.tech_) {
+ var loadHandler = function loadHandler() {
+ return parseCues(responseBody, track);
+ };
+
+ track.tech_.on('vttjsloaded', loadHandler);
+ track.tech_.on('vttjserror', function () {
+ log$1.error('vttjs failed to load, stopping trying to process ' + track.src);
+ track.tech_.off('vttjsloaded', loadHandler);
+ });
+ }
+ } else {
+ parseCues(responseBody, track);
+ }
+ }));
+ };
+
+ /**
+ * A representation of a single `TextTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#texttrack}
+ * @extends Track
+ */
+
+ var TextTrack = function (_Track) {
+ inherits(TextTrack, _Track);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} options={}
+ * Object of option names and values
+ *
+ * @param {Tech} options.tech
+ * A reference to the tech that owns this TextTrack.
+ *
+ * @param {TextTrack~Kind} [options.kind='subtitles']
+ * A valid text track kind.
+ *
+ * @param {TextTrack~Mode} [options.mode='disabled']
+ * A valid text track mode.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this TextTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {string} [options.srclang='']
+ * A valid two character language code. An alternative, but deprioritized
+ * vesion of `options.language`
+ *
+ * @param {string} [options.src]
+ * A url to TextTrack cues.
+ *
+ * @param {boolean} [options.default]
+ * If this track should default to on or off.
+ */
+ function TextTrack() {
+ var _this, _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, TextTrack);
+
+ if (!options.tech) {
+ throw new Error('A tech was not provided.');
+ }
+
+ var settings = mergeOptions(options, {
+ kind: TextTrackKind[options.kind] || 'subtitles',
+ language: options.language || options.srclang || ''
+ });
+ var mode = TextTrackMode[settings.mode] || 'disabled';
+ var default_ = settings['default'];
+
+ if (settings.kind === 'metadata' || settings.kind === 'chapters') {
+ mode = 'hidden';
+ }
+ // on IE8 this will be a document element
+ // for every other browser this will be a normal object
+ var tt = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
+
+ tt.tech_ = settings.tech;
+
+ if (IS_IE8) {
+ for (var prop in TextTrack.prototype) {
+ if (prop !== 'constructor') {
+ tt[prop] = TextTrack.prototype[prop];
+ }
+ }
+ }
+
+ tt.cues_ = [];
+ tt.activeCues_ = [];
+
+ var cues = new TextTrackCueList(tt.cues_);
+ var activeCues = new TextTrackCueList(tt.activeCues_);
+ var changed = false;
+ var timeupdateHandler = bind(tt, function () {
+
+ // Accessing this.activeCues for the side-effects of updating itself
+ // due to it's nature as a getter function. Do not remove or cues will
+ // stop updating!
+ /* eslint-disable no-unused-expressions */
+ this.activeCues;
+ /* eslint-enable no-unused-expressions */
+ if (changed) {
+ this.trigger('cuechange');
+ changed = false;
+ }
+ });
+
+ if (mode !== 'disabled') {
+ tt.tech_.ready(function () {
+ tt.tech_.on('timeupdate', timeupdateHandler);
+ }, true);
+ }
+
+ /**
+ * @memberof TextTrack
+ * @member {boolean} default
+ * If this track was set to be on or off by default. Cannot be changed after
+ * creation.
+ * @instance
+ *
+ * @readonly
+ */
+ Object.defineProperty(tt, 'default', {
+ get: function get$$1() {
+ return default_;
+ },
+ set: function set$$1() {
+ }
+ });
+
+ /**
+ * @memberof TextTrack
+ * @member {string} mode
+ * Set the mode of this TextTrack to a valid {@link TextTrack~Mode}. Will
+ * not be set if setting to an invalid mode.
+ * @instance
+ *
+ * @fires TextTrack#modechange
+ */
+ Object.defineProperty(tt, 'mode', {
+ get: function get$$1() {
+ return mode;
+ },
+ set: function set$$1(newMode) {
+ var _this2 = this;
+
+ if (!TextTrackMode[newMode]) {
+ return;
+ }
+ mode = newMode;
+ if (mode === 'showing') {
+
+ this.tech_.ready(function () {
+ _this2.tech_.on('timeupdate', timeupdateHandler);
+ }, true);
+ }
+ /**
+ * An event that fires when mode changes on this track. This allows
+ * the TextTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec!
+ *
+ * @event TextTrack#modechange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('modechange');
+ }
+ });
+
+ /**
+ * @memberof TextTrack
+ * @member {TextTrackCueList} cues
+ * The text track cue list for this TextTrack.
+ * @instance
+ */
+ Object.defineProperty(tt, 'cues', {
+ get: function get$$1() {
+ if (!this.loaded_) {
+ return null;
+ }
+
+ return cues;
+ },
+ set: function set$$1() {
+ }
+ });
+
+ /**
+ * @memberof TextTrack
+ * @member {TextTrackCueList} activeCues
+ * The list text track cues that are currently active for this TextTrack.
+ * @instance
+ */
+ Object.defineProperty(tt, 'activeCues', {
+ get: function get$$1() {
+ if (!this.loaded_) {
+ return null;
+ }
+
+ // nothing to do
+ if (this.cues.length === 0) {
+ return activeCues;
+ }
+
+ var ct = this.tech_.currentTime();
+ var active = [];
+
+ for (var i = 0, l = this.cues.length; i < l; i++) {
+ var cue = this.cues[i];
+
+ if (cue.startTime <= ct && cue.endTime >= ct) {
+ active.push(cue);
+ } else if (cue.startTime === cue.endTime && cue.startTime <= ct && cue.startTime + 0.5 >= ct) {
+ active.push(cue);
+ }
+ }
+
+ changed = false;
+
+ if (active.length !== this.activeCues_.length) {
+ changed = true;
+ } else {
+ for (var _i = 0; _i < active.length; _i++) {
+ if (this.activeCues_.indexOf(active[_i]) === -1) {
+ changed = true;
+ }
+ }
+ }
+
+ this.activeCues_ = active;
+ activeCues.setCues_(this.activeCues_);
+
+ return activeCues;
+ },
+ set: function set$$1() {
+ }
+ });
+
+ if (settings.src) {
+ tt.src = settings.src;
+ loadTrack(settings.src, tt);
+ } else {
+ tt.loaded_ = true;
+ }
+
+ return _ret = tt, possibleConstructorReturn(_this, _ret);
+ }
+
+ /**
+ * Add a cue to the internal list of cues.
+ *
+ * @param {TextTrack~Cue} cue
+ * The cue to add to our internal list
+ */
+
+
+ TextTrack.prototype.addCue = function addCue(originalCue) {
+ var cue = originalCue;
+
+ if (window_1.vttjs && !(originalCue instanceof window_1.vttjs.VTTCue)) {
+ cue = new window_1.vttjs.VTTCue(originalCue.startTime, originalCue.endTime, originalCue.text);
+
+ for (var prop in originalCue) {
+ if (!(prop in cue)) {
+ cue[prop] = originalCue[prop];
+ }
+ }
+
+ // make sure that `id` is copied over
+ cue.id = originalCue.id;
+ cue.originalCue_ = originalCue;
+ }
+
+ var tracks = this.tech_.textTracks();
+
+ for (var i = 0; i < tracks.length; i++) {
+ if (tracks[i] !== this) {
+ tracks[i].removeCue(cue);
+ }
+ }
+
+ this.cues_.push(cue);
+ this.cues.setCues_(this.cues_);
+ };
+
+ /**
+ * Remove a cue from our internal list
+ *
+ * @param {TextTrack~Cue} removeCue
+ * The cue to remove from our internal list
+ */
+
+
+ TextTrack.prototype.removeCue = function removeCue(_removeCue) {
+ var i = this.cues_.length;
+
+ while (i--) {
+ var cue = this.cues_[i];
+
+ if (cue === _removeCue || cue.originalCue_ && cue.originalCue_ === _removeCue) {
+ this.cues_.splice(i, 1);
+ this.cues.setCues_(this.cues_);
+ break;
+ }
+ }
+ };
+
+ return TextTrack;
+ }(Track);
+
+ /**
+ * cuechange - One or more cues in the track have become active or stopped being active.
+ */
+
+
+ TextTrack.prototype.allowedEvents_ = {
+ cuechange: 'cuechange'
+ };
+
+ /**
+ * A representation of a single `AudioTrack`. If it is part of an {@link AudioTrackList}
+ * only one `AudioTrack` in the list will be enabled at a time.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotrack}
+ * @extends Track
+ */
+
+ var AudioTrack = function (_Track) {
+ inherits(AudioTrack, _Track);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {AudioTrack~Kind} [options.kind='']
+ * A valid audio track kind
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {boolean} [options.enabled]
+ * If this track is the one that is currently playing. If this track is part of
+ * an {@link AudioTrackList}, only one {@link AudioTrack} will be enabled.
+ */
+ function AudioTrack() {
+ var _this, _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, AudioTrack);
+
+ var settings = mergeOptions(options, {
+ kind: AudioTrackKind[options.kind] || ''
+ });
+ // on IE8 this will be a document element
+ // for every other browser this will be a normal object
+ var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
+ var enabled = false;
+
+ if (IS_IE8) {
+ for (var prop in AudioTrack.prototype) {
+ if (prop !== 'constructor') {
+ track[prop] = AudioTrack.prototype[prop];
+ }
+ }
+ }
+ /**
+ * @memberof AudioTrack
+ * @member {boolean} enabled
+ * If this `AudioTrack` is enabled or not. When setting this will
+ * fire {@link AudioTrack#enabledchange} if the state of enabled is changed.
+ * @instance
+ *
+ * @fires VideoTrack#selectedchange
+ */
+ Object.defineProperty(track, 'enabled', {
+ get: function get$$1() {
+ return enabled;
+ },
+ set: function set$$1(newEnabled) {
+ // an invalid or unchanged value
+ if (typeof newEnabled !== 'boolean' || newEnabled === enabled) {
+ return;
+ }
+ enabled = newEnabled;
+
+ /**
+ * An event that fires when enabled changes on this track. This allows
+ * the AudioTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec! Native tracks will do
+ * this internally without an event.
+ *
+ * @event AudioTrack#enabledchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('enabledchange');
+ }
+ });
+
+ // if the user sets this track to selected then
+ // set selected to that true value otherwise
+ // we keep it false
+ if (settings.enabled) {
+ track.enabled = settings.enabled;
+ }
+ track.loaded_ = true;
+
+ return _ret = track, possibleConstructorReturn(_this, _ret);
+ }
+
+ return AudioTrack;
+ }(Track);
+
+ /**
+ * A representation of a single `VideoTrack`.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#videotrack}
+ * @extends Track
+ */
+
+ var VideoTrack = function (_Track) {
+ inherits(VideoTrack, _Track);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} [options={}]
+ * Object of option names and values
+ *
+ * @param {string} [options.kind='']
+ * A valid {@link VideoTrack~Kind}
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this AudioTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {boolean} [options.selected]
+ * If this track is the one that is currently playing.
+ */
+ function VideoTrack() {
+ var _this, _ret;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, VideoTrack);
+
+ var settings = mergeOptions(options, {
+ kind: VideoTrackKind[options.kind] || ''
+ });
+
+ // on IE8 this will be a document element
+ // for every other browser this will be a normal object
+ var track = (_this = possibleConstructorReturn(this, _Track.call(this, settings)), _this);
+ var selected = false;
+
+ if (IS_IE8) {
+ for (var prop in VideoTrack.prototype) {
+ if (prop !== 'constructor') {
+ track[prop] = VideoTrack.prototype[prop];
+ }
+ }
+ }
+
+ /**
+ * @memberof VideoTrack
+ * @member {boolean} selected
+ * If this `VideoTrack` is selected or not. When setting this will
+ * fire {@link VideoTrack#selectedchange} if the state of selected changed.
+ * @instance
+ *
+ * @fires VideoTrack#selectedchange
+ */
+ Object.defineProperty(track, 'selected', {
+ get: function get$$1() {
+ return selected;
+ },
+ set: function set$$1(newSelected) {
+ // an invalid or unchanged value
+ if (typeof newSelected !== 'boolean' || newSelected === selected) {
+ return;
+ }
+ selected = newSelected;
+
+ /**
+ * An event that fires when selected changes on this track. This allows
+ * the VideoTrackList that holds this track to act accordingly.
+ *
+ * > Note: This is not part of the spec! Native tracks will do
+ * this internally without an event.
+ *
+ * @event VideoTrack#selectedchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('selectedchange');
+ }
+ });
+
+ // if the user sets this track to selected then
+ // set selected to that true value otherwise
+ // we keep it false
+ if (settings.selected) {
+ track.selected = settings.selected;
+ }
+
+ return _ret = track, possibleConstructorReturn(_this, _ret);
+ }
+
+ return VideoTrack;
+ }(Track);
+
+ /**
+ * @file html-track-element.js
+ */
+
+ /**
+ * @memberof HTMLTrackElement
+ * @typedef {HTMLTrackElement~ReadyState}
+ * @enum {number}
+ */
+ var NONE = 0;
+ var LOADING = 1;
+ var LOADED = 2;
+ var ERROR = 3;
+
+ /**
+ * A single track represented in the DOM.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#htmltrackelement}
+ * @extends EventTarget
+ */
+
+ var HTMLTrackElement = function (_EventTarget) {
+ inherits(HTMLTrackElement, _EventTarget);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Object} options={}
+ * Object of option names and values
+ *
+ * @param {Tech} options.tech
+ * A reference to the tech that owns this HTMLTrackElement.
+ *
+ * @param {TextTrack~Kind} [options.kind='subtitles']
+ * A valid text track kind.
+ *
+ * @param {TextTrack~Mode} [options.mode='disabled']
+ * A valid text track mode.
+ *
+ * @param {string} [options.id='vjs_track_' + Guid.newGUID()]
+ * A unique id for this TextTrack.
+ *
+ * @param {string} [options.label='']
+ * The menu label for this track.
+ *
+ * @param {string} [options.language='']
+ * A valid two character language code.
+ *
+ * @param {string} [options.srclang='']
+ * A valid two character language code. An alternative, but deprioritized
+ * vesion of `options.language`
+ *
+ * @param {string} [options.src]
+ * A url to TextTrack cues.
+ *
+ * @param {boolean} [options.default]
+ * If this track should default to on or off.
+ */
+ function HTMLTrackElement() {
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ classCallCheck(this, HTMLTrackElement);
+
+ var _this = possibleConstructorReturn(this, _EventTarget.call(this));
+
+ var readyState = void 0;
+ var trackElement = _this; // eslint-disable-line
+
+ if (IS_IE8) {
+ trackElement = document_1.createElement('custom');
+
+ for (var prop in HTMLTrackElement.prototype) {
+ if (prop !== 'constructor') {
+ trackElement[prop] = HTMLTrackElement.prototype[prop];
+ }
+ }
+ }
+
+ var track = new TextTrack(options);
+
+ trackElement.kind = track.kind;
+ trackElement.src = track.src;
+ trackElement.srclang = track.language;
+ trackElement.label = track.label;
+ trackElement['default'] = track['default'];
+
+ /**
+ * @memberof HTMLTrackElement
+ * @member {HTMLTrackElement~ReadyState} readyState
+ * The current ready state of the track element.
+ * @instance
+ */
+ Object.defineProperty(trackElement, 'readyState', {
+ get: function get$$1() {
+ return readyState;
+ }
+ });
+
+ /**
+ * @memberof HTMLTrackElement
+ * @member {TextTrack} track
+ * The underlying TextTrack object.
+ * @instance
+ *
+ */
+ Object.defineProperty(trackElement, 'track', {
+ get: function get$$1() {
+ return track;
+ }
+ });
+
+ readyState = NONE;
+
+ /**
+ * @listens TextTrack#loadeddata
+ * @fires HTMLTrackElement#load
+ */
+ track.addEventListener('loadeddata', function () {
+ readyState = LOADED;
+
+ trackElement.trigger({
+ type: 'load',
+ target: trackElement
+ });
+ });
+
+ if (IS_IE8) {
+ var _ret;
+
+ return _ret = trackElement, possibleConstructorReturn(_this, _ret);
+ }
+ return _this;
+ }
+
+ return HTMLTrackElement;
+ }(EventTarget);
+
+ HTMLTrackElement.prototype.allowedEvents_ = {
+ load: 'load'
+ };
+
+ HTMLTrackElement.NONE = NONE;
+ HTMLTrackElement.LOADING = LOADING;
+ HTMLTrackElement.LOADED = LOADED;
+ HTMLTrackElement.ERROR = ERROR;
+
+ /*
+ * This file contains all track properties that are used in
+ * player.js, tech.js, html5.js and possibly other techs in the future.
+ */
+
+ var NORMAL = {
+ audio: {
+ ListClass: AudioTrackList,
+ TrackClass: AudioTrack,
+ capitalName: 'Audio'
+ },
+ video: {
+ ListClass: VideoTrackList,
+ TrackClass: VideoTrack,
+ capitalName: 'Video'
+ },
+ text: {
+ ListClass: TextTrackList,
+ TrackClass: TextTrack,
+ capitalName: 'Text'
+ }
+ };
+
+ Object.keys(NORMAL).forEach(function (type) {
+ NORMAL[type].getterName = type + 'Tracks';
+ NORMAL[type].privateName = type + 'Tracks_';
+ });
+
+ var REMOTE = {
+ remoteText: {
+ ListClass: TextTrackList,
+ TrackClass: TextTrack,
+ capitalName: 'RemoteText',
+ getterName: 'remoteTextTracks',
+ privateName: 'remoteTextTracks_'
+ },
+ remoteTextEl: {
+ ListClass: HtmlTrackElementList,
+ TrackClass: HTMLTrackElement,
+ capitalName: 'RemoteTextTrackEls',
+ getterName: 'remoteTextTrackEls',
+ privateName: 'remoteTextTrackEls_'
+ }
+ };
+
+ var ALL = mergeOptions(NORMAL, REMOTE);
+
+ REMOTE.names = Object.keys(REMOTE);
+ NORMAL.names = Object.keys(NORMAL);
+ ALL.names = [].concat(REMOTE.names).concat(NORMAL.names);
+
+ /**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ /* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+ /* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+ var _objCreate = Object.create || (function () {
+ function F() {
+ }
+
+ return function (o) {
+ if (arguments.length !== 1) {
+ throw new Error('Object.create shim only accepts one parameter.');
+ }
+ F.prototype = o;
+ return new F();
+ };
+ })();
+
+// Creates a new ParserError object from an errorData object. The errorData
+// object should have default code and message properties. The default message
+// property can be overriden by passing in a message parameter.
+// See ParsingError.Errors below for acceptable errors.
+ function ParsingError(errorData, message) {
+ this.name = "ParsingError";
+ this.code = errorData.code;
+ this.message = message || errorData.message;
+ }
+
+ ParsingError.prototype = _objCreate(Error.prototype);
+ ParsingError.prototype.constructor = ParsingError;
+
+// ParsingError metadata for acceptable ParsingErrors.
+ ParsingError.Errors = {
+ BadSignature: {
+ code: 0,
+ message: "Malformed WebVTT signature."
+ },
+ BadTimeStamp: {
+ code: 1,
+ message: "Malformed time stamp."
+ }
+ };
+
+// Try to parse input as a time stamp.
+ function parseTimeStamp(input) {
+
+ function computeSeconds(h, m, s, f) {
+ return (h | 0) * 3600 + (m | 0) * 60 + (s | 0) + (f | 0) / 1000;
+ }
+
+ var m = input.match(/^(\d+):(\d{2})(:\d{2})?\.(\d{3})/);
+ if (!m) {
+ return null;
+ }
+
+ if (m[3]) {
+ // Timestamp takes the form of [hours]:[minutes]:[seconds].[milliseconds]
+ return computeSeconds(m[1], m[2], m[3].replace(":", ""), m[4]);
+ } else if (m[1] > 59) {
+ // Timestamp takes the form of [hours]:[minutes].[milliseconds]
+ // First position is hours as it's over 59.
+ return computeSeconds(m[1], m[2], 0, m[4]);
+ } else {
+ // Timestamp takes the form of [minutes]:[seconds].[milliseconds]
+ return computeSeconds(0, m[1], m[2], m[4]);
+ }
+ }
+
+// A settings object holds key/value pairs and will ignore anything but the first
+// assignment to a specific key.
+ function Settings() {
+ this.values = _objCreate(null);
+ }
+
+ Settings.prototype = {
+ // Only accept the first assignment to any key.
+ set: function (k, v) {
+ if (!this.get(k) && v !== "") {
+ this.values[k] = v;
+ }
+ },
+ // Return the value for a key, or a default value.
+ // If 'defaultKey' is passed then 'dflt' is assumed to be an object with
+ // a number of possible default values as properties where 'defaultKey' is
+ // the key of the property that will be chosen; otherwise it's assumed to be
+ // a single value.
+ get: function (k, dflt, defaultKey) {
+ if (defaultKey) {
+ return this.has(k) ? this.values[k] : dflt[defaultKey];
+ }
+ return this.has(k) ? this.values[k] : dflt;
+ },
+ // Check whether we have a value for a key.
+ has: function (k) {
+ return k in this.values;
+ },
+ // Accept a setting if its one of the given alternatives.
+ alt: function (k, v, a) {
+ for (var n = 0; n < a.length; ++n) {
+ if (v === a[n]) {
+ this.set(k, v);
+ break;
+ }
+ }
+ },
+ // Accept a setting if its a valid (signed) integer.
+ integer: function (k, v) {
+ if (/^-?\d+$/.test(v)) { // integer
+ this.set(k, parseInt(v, 10));
+ }
+ },
+ // Accept a setting if its a valid percentage.
+ percent: function (k, v) {
+ var m;
+ if ((m = v.match(/^([\d]{1,3})(\.[\d]*)?%$/))) {
+ v = parseFloat(v);
+ if (v >= 0 && v <= 100) {
+ this.set(k, v);
+ return true;
+ }
+ }
+ return false;
+ }
+ };
+
+// Helper function to parse input into groups separated by 'groupDelim', and
+// interprete each group as a key/value pair separated by 'keyValueDelim'.
+ function parseOptions(input, callback, keyValueDelim, groupDelim) {
+ var groups = groupDelim ? input.split(groupDelim) : [input];
+ for (var i in groups) {
+ if (typeof groups[i] !== "string") {
+ continue;
+ }
+ var kv = groups[i].split(keyValueDelim);
+ if (kv.length !== 2) {
+ continue;
+ }
+ var k = kv[0];
+ var v = kv[1];
+ callback(k, v);
+ }
+ }
+
+ function parseCue(input, cue, regionList) {
+ // Remember the original input if we need to throw an error.
+ var oInput = input;
+
+ // 4.1 WebVTT timestamp
+ function consumeTimeStamp() {
+ var ts = parseTimeStamp(input);
+ if (ts === null) {
+ throw new ParsingError(ParsingError.Errors.BadTimeStamp,
+ "Malformed timestamp: " + oInput);
+ }
+ // Remove time stamp from input.
+ input = input.replace(/^[^\sa-zA-Z-]+/, "");
+ return ts;
+ }
+
+ // 4.4.2 WebVTT cue settings
+ function consumeCueSettings(input, cue) {
+ var settings = new Settings();
+
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "region":
+ // Find the last region we parsed with the same region id.
+ for (var i = regionList.length - 1; i >= 0; i--) {
+ if (regionList[i].id === v) {
+ settings.set(k, regionList[i].region);
+ break;
+ }
+ }
+ break;
+ case "vertical":
+ settings.alt(k, v, ["rl", "lr"]);
+ break;
+ case "line":
+ var vals = v.split(","),
+ vals0 = vals[0];
+ settings.integer(k, vals0);
+ settings.percent(k, vals0) ? settings.set("snapToLines", false) : null;
+ settings.alt(k, vals0, ["auto"]);
+ if (vals.length === 2) {
+ settings.alt("lineAlign", vals[1], ["start", "middle", "end"]);
+ }
+ break;
+ case "position":
+ vals = v.split(",");
+ settings.percent(k, vals[0]);
+ if (vals.length === 2) {
+ settings.alt("positionAlign", vals[1], ["start", "middle", "end"]);
+ }
+ break;
+ case "size":
+ settings.percent(k, v);
+ break;
+ case "align":
+ settings.alt(k, v, ["start", "middle", "end", "left", "right"]);
+ break;
+ }
+ }, /:/, /\s/);
+
+ // Apply default values for any missing fields.
+ cue.region = settings.get("region", null);
+ cue.vertical = settings.get("vertical", "");
+ cue.line = settings.get("line", "auto");
+ cue.lineAlign = settings.get("lineAlign", "start");
+ cue.snapToLines = settings.get("snapToLines", true);
+ cue.size = settings.get("size", 100);
+ cue.align = settings.get("align", "middle");
+ cue.position = settings.get("position", {
+ start: 0,
+ left: 0,
+ middle: 50,
+ end: 100,
+ right: 100
+ }, cue.align);
+ cue.positionAlign = settings.get("positionAlign", {
+ start: "start",
+ left: "start",
+ middle: "middle",
+ end: "end",
+ right: "end"
+ }, cue.align);
+ }
+
+ function skipWhitespace() {
+ input = input.replace(/^\s+/, "");
+ }
+
+ // 4.1 WebVTT cue timings.
+ skipWhitespace();
+ cue.startTime = consumeTimeStamp(); // (1) collect cue start time
+ skipWhitespace();
+ if (input.substr(0, 3) !== "-->") { // (3) next characters must match "-->"
+ throw new ParsingError(ParsingError.Errors.BadTimeStamp,
+ "Malformed time stamp (time stamps must be separated by '-->'): " +
+ oInput);
+ }
+ input = input.substr(3);
+ skipWhitespace();
+ cue.endTime = consumeTimeStamp(); // (5) collect cue end time
+
+ // 4.1 WebVTT cue settings list.
+ skipWhitespace();
+ consumeCueSettings(input, cue);
+ }
+
+ var ESCAPE = {
+ "&": "&",
+ "<": "<",
+ ">": ">",
+ "‎": "\u200e",
+ "‏": "\u200f",
+ " ": "\u00a0"
+ };
+
+ var TAG_NAME = {
+ c: "span",
+ i: "i",
+ b: "b",
+ u: "u",
+ ruby: "ruby",
+ rt: "rt",
+ v: "span",
+ lang: "span"
+ };
+
+ var TAG_ANNOTATION = {
+ v: "title",
+ lang: "lang"
+ };
+
+ var NEEDS_PARENT = {
+ rt: "ruby"
+ };
+
+// Parse content into a document fragment.
+ function parseContent(window, input) {
+ function nextToken() {
+ // Check for end-of-string.
+ if (!input) {
+ return null;
+ }
+
+ // Consume 'n' characters from the input.
+ function consume(result) {
+ input = input.substr(result.length);
+ return result;
+ }
+
+ var m = input.match(/^([^<]*)(<[^>]+>?)?/);
+ // If there is some text before the next tag, return it, otherwise return
+ // the tag.
+ return consume(m[1] ? m[1] : m[2]);
+ }
+
+ // Unescape a string 's'.
+ function unescape1(e) {
+ return ESCAPE[e];
+ }
+
+ function unescape(s) {
+ while ((m = s.match(/&(amp|lt|gt|lrm|rlm|nbsp);/))) {
+ s = s.replace(m[0], unescape1);
+ }
+ return s;
+ }
+
+ function shouldAdd(current, element) {
+ return !NEEDS_PARENT[element.localName] ||
+ NEEDS_PARENT[element.localName] === current.localName;
+ }
+
+ // Create an element for this tag.
+ function createElement(type, annotation) {
+ var tagName = TAG_NAME[type];
+ if (!tagName) {
+ return null;
+ }
+ var element = window.document.createElement(tagName);
+ element.localName = tagName;
+ var name = TAG_ANNOTATION[type];
+ if (name && annotation) {
+ element[name] = annotation.trim();
+ }
+ return element;
+ }
+
+ var rootDiv = window.document.createElement("div"),
+ current = rootDiv,
+ t,
+ tagStack = [];
+
+ while ((t = nextToken()) !== null) {
+ if (t[0] === '<') {
+ if (t[1] === "/") {
+ // If the closing tag matches, move back up to the parent node.
+ if (tagStack.length &&
+ tagStack[tagStack.length - 1] === t.substr(2).replace(">", "")) {
+ tagStack.pop();
+ current = current.parentNode;
+ }
+ // Otherwise just ignore the end tag.
+ continue;
+ }
+ var ts = parseTimeStamp(t.substr(1, t.length - 2));
+ var node;
+ if (ts) {
+ // Timestamps are lead nodes as well.
+ node = window.document.createProcessingInstruction("timestamp", ts);
+ current.appendChild(node);
+ continue;
+ }
+ var m = t.match(/^<([^.\s/0-9>]+)(\.[^\s\\>]+)?([^>\\]+)?(\\?)>?$/);
+ // If we can't parse the tag, skip to the next tag.
+ if (!m) {
+ continue;
+ }
+ // Try to construct an element, and ignore the tag if we couldn't.
+ node = createElement(m[1], m[3]);
+ if (!node) {
+ continue;
+ }
+ // Determine if the tag should be added based on the context of where it
+ // is placed in the cuetext.
+ if (!shouldAdd(current, node)) {
+ continue;
+ }
+ // Set the class list (as a list of classes, separated by space).
+ if (m[2]) {
+ node.className = m[2].substr(1).replace('.', ' ');
+ }
+ // Append the node to the current node, and enter the scope of the new
+ // node.
+ tagStack.push(m[1]);
+ current.appendChild(node);
+ current = node;
+ continue;
+ }
+
+ // Text nodes are leaf nodes.
+ current.appendChild(window.document.createTextNode(unescape(t)));
+ }
+
+ return rootDiv;
+ }
+
+// This is a list of all the Unicode characters that have a strong
+// right-to-left category. What this means is that these characters are
+// written right-to-left for sure. It was generated by pulling all the strong
+// right-to-left characters out of the Unicode data table. That table can
+// found at: http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
+ var strongRTLRanges = [[0x5be, 0x5be], [0x5c0, 0x5c0], [0x5c3, 0x5c3], [0x5c6, 0x5c6],
+ [0x5d0, 0x5ea], [0x5f0, 0x5f4], [0x608, 0x608], [0x60b, 0x60b], [0x60d, 0x60d],
+ [0x61b, 0x61b], [0x61e, 0x64a], [0x66d, 0x66f], [0x671, 0x6d5], [0x6e5, 0x6e6],
+ [0x6ee, 0x6ef], [0x6fa, 0x70d], [0x70f, 0x710], [0x712, 0x72f], [0x74d, 0x7a5],
+ [0x7b1, 0x7b1], [0x7c0, 0x7ea], [0x7f4, 0x7f5], [0x7fa, 0x7fa], [0x800, 0x815],
+ [0x81a, 0x81a], [0x824, 0x824], [0x828, 0x828], [0x830, 0x83e], [0x840, 0x858],
+ [0x85e, 0x85e], [0x8a0, 0x8a0], [0x8a2, 0x8ac], [0x200f, 0x200f],
+ [0xfb1d, 0xfb1d], [0xfb1f, 0xfb28], [0xfb2a, 0xfb36], [0xfb38, 0xfb3c],
+ [0xfb3e, 0xfb3e], [0xfb40, 0xfb41], [0xfb43, 0xfb44], [0xfb46, 0xfbc1],
+ [0xfbd3, 0xfd3d], [0xfd50, 0xfd8f], [0xfd92, 0xfdc7], [0xfdf0, 0xfdfc],
+ [0xfe70, 0xfe74], [0xfe76, 0xfefc], [0x10800, 0x10805], [0x10808, 0x10808],
+ [0x1080a, 0x10835], [0x10837, 0x10838], [0x1083c, 0x1083c], [0x1083f, 0x10855],
+ [0x10857, 0x1085f], [0x10900, 0x1091b], [0x10920, 0x10939], [0x1093f, 0x1093f],
+ [0x10980, 0x109b7], [0x109be, 0x109bf], [0x10a00, 0x10a00], [0x10a10, 0x10a13],
+ [0x10a15, 0x10a17], [0x10a19, 0x10a33], [0x10a40, 0x10a47], [0x10a50, 0x10a58],
+ [0x10a60, 0x10a7f], [0x10b00, 0x10b35], [0x10b40, 0x10b55], [0x10b58, 0x10b72],
+ [0x10b78, 0x10b7f], [0x10c00, 0x10c48], [0x1ee00, 0x1ee03], [0x1ee05, 0x1ee1f],
+ [0x1ee21, 0x1ee22], [0x1ee24, 0x1ee24], [0x1ee27, 0x1ee27], [0x1ee29, 0x1ee32],
+ [0x1ee34, 0x1ee37], [0x1ee39, 0x1ee39], [0x1ee3b, 0x1ee3b], [0x1ee42, 0x1ee42],
+ [0x1ee47, 0x1ee47], [0x1ee49, 0x1ee49], [0x1ee4b, 0x1ee4b], [0x1ee4d, 0x1ee4f],
+ [0x1ee51, 0x1ee52], [0x1ee54, 0x1ee54], [0x1ee57, 0x1ee57], [0x1ee59, 0x1ee59],
+ [0x1ee5b, 0x1ee5b], [0x1ee5d, 0x1ee5d], [0x1ee5f, 0x1ee5f], [0x1ee61, 0x1ee62],
+ [0x1ee64, 0x1ee64], [0x1ee67, 0x1ee6a], [0x1ee6c, 0x1ee72], [0x1ee74, 0x1ee77],
+ [0x1ee79, 0x1ee7c], [0x1ee7e, 0x1ee7e], [0x1ee80, 0x1ee89], [0x1ee8b, 0x1ee9b],
+ [0x1eea1, 0x1eea3], [0x1eea5, 0x1eea9], [0x1eeab, 0x1eebb], [0x10fffd, 0x10fffd]];
+
+ function isStrongRTLChar(charCode) {
+ for (var i = 0; i < strongRTLRanges.length; i++) {
+ var currentRange = strongRTLRanges[i];
+ if (charCode >= currentRange[0] && charCode <= currentRange[1]) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ function determineBidi(cueDiv) {
+ var nodeStack = [],
+ text = "",
+ charCode;
+
+ if (!cueDiv || !cueDiv.childNodes) {
+ return "ltr";
+ }
+
+ function pushNodes(nodeStack, node) {
+ for (var i = node.childNodes.length - 1; i >= 0; i--) {
+ nodeStack.push(node.childNodes[i]);
+ }
+ }
+
+ function nextTextNode(nodeStack) {
+ if (!nodeStack || !nodeStack.length) {
+ return null;
+ }
+
+ var node = nodeStack.pop(),
+ text = node.textContent || node.innerText;
+ if (text) {
+ // TODO: This should match all unicode type B characters (paragraph
+ // separator characters). See issue #115.
+ var m = text.match(/^.*(\n|\r)/);
+ if (m) {
+ nodeStack.length = 0;
+ return m[0];
+ }
+ return text;
+ }
+ if (node.tagName === "ruby") {
+ return nextTextNode(nodeStack);
+ }
+ if (node.childNodes) {
+ pushNodes(nodeStack, node);
+ return nextTextNode(nodeStack);
+ }
+ }
+
+ pushNodes(nodeStack, cueDiv);
+ while ((text = nextTextNode(nodeStack))) {
+ for (var i = 0; i < text.length; i++) {
+ charCode = text.charCodeAt(i);
+ if (isStrongRTLChar(charCode)) {
+ return "rtl";
+ }
+ }
+ }
+ return "ltr";
+ }
+
+ function computeLinePos(cue) {
+ if (typeof cue.line === "number" &&
+ (cue.snapToLines || (cue.line >= 0 && cue.line <= 100))) {
+ return cue.line;
+ }
+ if (!cue.track || !cue.track.textTrackList ||
+ !cue.track.textTrackList.mediaElement) {
+ return -1;
+ }
+ var track = cue.track,
+ trackList = track.textTrackList,
+ count = 0;
+ for (var i = 0; i < trackList.length && trackList[i] !== track; i++) {
+ if (trackList[i].mode === "showing") {
+ count++;
+ }
+ }
+ return ++count * -1;
+ }
+
+ function StyleBox() {
+ }
+
+// Apply styles to a div. If there is no div passed then it defaults to the
+// div on 'this'.
+ StyleBox.prototype.applyStyles = function (styles, div) {
+ div = div || this.div;
+ for (var prop in styles) {
+ if (styles.hasOwnProperty(prop)) {
+ div.style[prop] = styles[prop];
+ }
+ }
+ };
+
+ StyleBox.prototype.formatStyle = function (val, unit) {
+ return val === 0 ? 0 : val + unit;
+ };
+
+// Constructs the computed display state of the cue (a div). Places the div
+// into the overlay which should be a block level element (usually a div).
+ function CueStyleBox(window, cue, styleOptions) {
+ var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
+ var color = "rgba(255, 255, 255, 1)";
+ var backgroundColor = "rgba(0, 0, 0, 0.8)";
+
+ if (isIE8) {
+ color = "rgb(255, 255, 255)";
+ backgroundColor = "rgb(0, 0, 0)";
+ }
+
+ StyleBox.call(this);
+ this.cue = cue;
+
+ // Parse our cue's text into a DOM tree rooted at 'cueDiv'. This div will
+ // have inline positioning and will function as the cue background box.
+ this.cueDiv = parseContent(window, cue.text);
+ var styles = {
+ color: color,
+ backgroundColor: backgroundColor,
+ position: "relative",
+ left: 0,
+ right: 0,
+ top: 0,
+ bottom: 0,
+ display: "inline"
+ };
+
+ if (!isIE8) {
+ styles.writingMode = cue.vertical === "" ? "horizontal-tb"
+ : cue.vertical === "lr" ? "vertical-lr"
+ : "vertical-rl";
+ styles.unicodeBidi = "plaintext";
+ }
+ this.applyStyles(styles, this.cueDiv);
+
+ // Create an absolutely positioned div that will be used to position the cue
+ // div. Note, all WebVTT cue-setting alignments are equivalent to the CSS
+ // mirrors of them except "middle" which is "center" in CSS.
+ this.div = window.document.createElement("div");
+ styles = {
+ textAlign: cue.align === "middle" ? "center" : cue.align,
+ font: styleOptions.font,
+ whiteSpace: "pre-line",
+ position: "absolute"
+ };
+
+ if (!isIE8) {
+ styles.direction = determineBidi(this.cueDiv);
+ styles.writingMode = cue.vertical === "" ? "horizontal-tb"
+ : cue.vertical === "lr" ? "vertical-lr"
+ : "vertical-rl".stylesunicodeBidi = "plaintext";
+ }
+
+ this.applyStyles(styles);
+
+ this.div.appendChild(this.cueDiv);
+
+ // Calculate the distance from the reference edge of the viewport to the text
+ // position of the cue box. The reference edge will be resolved later when
+ // the box orientation styles are applied.
+ var textPos = 0;
+ switch (cue.positionAlign) {
+ case "start":
+ textPos = cue.position;
+ break;
+ case "middle":
+ textPos = cue.position - (cue.size / 2);
+ break;
+ case "end":
+ textPos = cue.position - cue.size;
+ break;
+ }
+
+ // Horizontal box orientation; textPos is the distance from the left edge of the
+ // area to the left edge of the box and cue.size is the distance extending to
+ // the right from there.
+ if (cue.vertical === "") {
+ this.applyStyles({
+ left: this.formatStyle(textPos, "%"),
+ width: this.formatStyle(cue.size, "%")
+ });
+ // Vertical box orientation; textPos is the distance from the top edge of the
+ // area to the top edge of the box and cue.size is the height extending
+ // downwards from there.
+ } else {
+ this.applyStyles({
+ top: this.formatStyle(textPos, "%"),
+ height: this.formatStyle(cue.size, "%")
+ });
+ }
+
+ this.move = function (box) {
+ this.applyStyles({
+ top: this.formatStyle(box.top, "px"),
+ bottom: this.formatStyle(box.bottom, "px"),
+ left: this.formatStyle(box.left, "px"),
+ right: this.formatStyle(box.right, "px"),
+ height: this.formatStyle(box.height, "px"),
+ width: this.formatStyle(box.width, "px")
+ });
+ };
+ }
+
+ CueStyleBox.prototype = _objCreate(StyleBox.prototype);
+ CueStyleBox.prototype.constructor = CueStyleBox;
+
+// Represents the co-ordinates of an Element in a way that we can easily
+// compute things with such as if it overlaps or intersects with another Element.
+// Can initialize it with either a StyleBox or another BoxPosition.
+ function BoxPosition(obj) {
+ var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
+
+ // Either a BoxPosition was passed in and we need to copy it, or a StyleBox
+ // was passed in and we need to copy the results of 'getBoundingClientRect'
+ // as the object returned is readonly. All co-ordinate values are in reference
+ // to the viewport origin (top left).
+ var lh, height, width, top;
+ if (obj.div) {
+ height = obj.div.offsetHeight;
+ width = obj.div.offsetWidth;
+ top = obj.div.offsetTop;
+
+ var rects = (rects = obj.div.childNodes) && (rects = rects[0]) &&
+ rects.getClientRects && rects.getClientRects();
+ obj = obj.div.getBoundingClientRect();
+ // In certain cases the outter div will be slightly larger then the sum of
+ // the inner div's lines. This could be due to bold text, etc, on some platforms.
+ // In this case we should get the average line height and use that. This will
+ // result in the desired behaviour.
+ lh = rects ? Math.max((rects[0] && rects[0].height) || 0, obj.height / rects.length)
+ : 0;
+
+ }
+ this.left = obj.left;
+ this.right = obj.right;
+ this.top = obj.top || top;
+ this.height = obj.height || height;
+ this.bottom = obj.bottom || (top + (obj.height || height));
+ this.width = obj.width || width;
+ this.lineHeight = lh !== undefined ? lh : obj.lineHeight;
+
+ if (isIE8 && !this.lineHeight) {
+ this.lineHeight = 13;
+ }
+ }
+
+// Move the box along a particular axis. Optionally pass in an amount to move
+// the box. If no amount is passed then the default is the line height of the
+// box.
+ BoxPosition.prototype.move = function (axis, toMove) {
+ toMove = toMove !== undefined ? toMove : this.lineHeight;
+ switch (axis) {
+ case "+x":
+ this.left += toMove;
+ this.right += toMove;
+ break;
+ case "-x":
+ this.left -= toMove;
+ this.right -= toMove;
+ break;
+ case "+y":
+ this.top += toMove;
+ this.bottom += toMove;
+ break;
+ case "-y":
+ this.top -= toMove;
+ this.bottom -= toMove;
+ break;
+ }
+ };
+
+// Check if this box overlaps another box, b2.
+ BoxPosition.prototype.overlaps = function (b2) {
+ return this.left < b2.right &&
+ this.right > b2.left &&
+ this.top < b2.bottom &&
+ this.bottom > b2.top;
+ };
+
+// Check if this box overlaps any other boxes in boxes.
+ BoxPosition.prototype.overlapsAny = function (boxes) {
+ for (var i = 0; i < boxes.length; i++) {
+ if (this.overlaps(boxes[i])) {
+ return true;
+ }
+ }
+ return false;
+ };
+
+// Check if this box is within another box.
+ BoxPosition.prototype.within = function (container) {
+ return this.top >= container.top &&
+ this.bottom <= container.bottom &&
+ this.left >= container.left &&
+ this.right <= container.right;
+ };
+
+// Check if this box is entirely within the container or it is overlapping
+// on the edge opposite of the axis direction passed. For example, if "+x" is
+// passed and the box is overlapping on the left edge of the container, then
+// return true.
+ BoxPosition.prototype.overlapsOppositeAxis = function (container, axis) {
+ switch (axis) {
+ case "+x":
+ return this.left < container.left;
+ case "-x":
+ return this.right > container.right;
+ case "+y":
+ return this.top < container.top;
+ case "-y":
+ return this.bottom > container.bottom;
+ }
+ };
+
+// Find the percentage of the area that this box is overlapping with another
+// box.
+ BoxPosition.prototype.intersectPercentage = function (b2) {
+ var x = Math.max(0, Math.min(this.right, b2.right) - Math.max(this.left, b2.left)),
+ y = Math.max(0, Math.min(this.bottom, b2.bottom) - Math.max(this.top, b2.top)),
+ intersectArea = x * y;
+ return intersectArea / (this.height * this.width);
+ };
+
+// Convert the positions from this box to CSS compatible positions using
+// the reference container's positions. This has to be done because this
+// box's positions are in reference to the viewport origin, whereas, CSS
+// values are in referecne to their respective edges.
+ BoxPosition.prototype.toCSSCompatValues = function (reference) {
+ return {
+ top: this.top - reference.top,
+ bottom: reference.bottom - this.bottom,
+ left: this.left - reference.left,
+ right: reference.right - this.right,
+ height: this.height,
+ width: this.width
+ };
+ };
+
+// Get an object that represents the box's position without anything extra.
+// Can pass a StyleBox, HTMLElement, or another BoxPositon.
+ BoxPosition.getSimpleBoxPosition = function (obj) {
+ var height = obj.div ? obj.div.offsetHeight : obj.tagName ? obj.offsetHeight : 0;
+ var width = obj.div ? obj.div.offsetWidth : obj.tagName ? obj.offsetWidth : 0;
+ var top = obj.div ? obj.div.offsetTop : obj.tagName ? obj.offsetTop : 0;
+
+ obj = obj.div ? obj.div.getBoundingClientRect() :
+ obj.tagName ? obj.getBoundingClientRect() : obj;
+ var ret = {
+ left: obj.left,
+ right: obj.right,
+ top: obj.top || top,
+ height: obj.height || height,
+ bottom: obj.bottom || (top + (obj.height || height)),
+ width: obj.width || width
+ };
+ return ret;
+ };
+
+// Move a StyleBox to its specified, or next best, position. The containerBox
+// is the box that contains the StyleBox, such as a div. boxPositions are
+// a list of other boxes that the styleBox can't overlap with.
+ function moveBoxToLinePosition(window, styleBox, containerBox, boxPositions) {
+
+ // Find the best position for a cue box, b, on the video. The axis parameter
+ // is a list of axis, the order of which, it will move the box along. For example:
+ // Passing ["+x", "-x"] will move the box first along the x axis in the positive
+ // direction. If it doesn't find a good position for it there it will then move
+ // it along the x axis in the negative direction.
+ function findBestPosition(b, axis) {
+ var bestPosition,
+ specifiedPosition = new BoxPosition(b),
+ percentage = 1; // Highest possible so the first thing we get is better.
+
+ for (var i = 0; i < axis.length; i++) {
+ while (b.overlapsOppositeAxis(containerBox, axis[i]) ||
+ (b.within(containerBox) && b.overlapsAny(boxPositions))) {
+ b.move(axis[i]);
+ }
+ // We found a spot where we aren't overlapping anything. This is our
+ // best position.
+ if (b.within(containerBox)) {
+ return b;
+ }
+ var p = b.intersectPercentage(containerBox);
+ // If we're outside the container box less then we were on our last try
+ // then remember this position as the best position.
+ if (percentage > p) {
+ bestPosition = new BoxPosition(b);
+ percentage = p;
+ }
+ // Reset the box position to the specified position.
+ b = new BoxPosition(specifiedPosition);
+ }
+ return bestPosition || specifiedPosition;
+ }
+
+ var boxPosition = new BoxPosition(styleBox),
+ cue = styleBox.cue,
+ linePos = computeLinePos(cue),
+ axis = [];
+
+ // If we have a line number to align the cue to.
+ if (cue.snapToLines) {
+ var size;
+ switch (cue.vertical) {
+ case "":
+ axis = ["+y", "-y"];
+ size = "height";
+ break;
+ case "rl":
+ axis = ["+x", "-x"];
+ size = "width";
+ break;
+ case "lr":
+ axis = ["-x", "+x"];
+ size = "width";
+ break;
+ }
+
+ var step = boxPosition.lineHeight,
+ position = step * Math.round(linePos),
+ maxPosition = containerBox[size] + step,
+ initialAxis = axis[0];
+
+ // If the specified intial position is greater then the max position then
+ // clamp the box to the amount of steps it would take for the box to
+ // reach the max position.
+ if (Math.abs(position) > maxPosition) {
+ position = position < 0 ? -1 : 1;
+ position *= Math.ceil(maxPosition / step) * step;
+ }
+
+ // If computed line position returns negative then line numbers are
+ // relative to the bottom of the video instead of the top. Therefore, we
+ // need to increase our initial position by the length or width of the
+ // video, depending on the writing direction, and reverse our axis directions.
+ if (linePos < 0) {
+ position += cue.vertical === "" ? containerBox.height : containerBox.width;
+ axis = axis.reverse();
+ }
+
+ // Move the box to the specified position. This may not be its best
+ // position.
+ boxPosition.move(initialAxis, position);
+
+ } else {
+ // If we have a percentage line value for the cue.
+ var calculatedPercentage = (boxPosition.lineHeight / containerBox.height) * 100;
+
+ switch (cue.lineAlign) {
+ case "middle":
+ linePos -= (calculatedPercentage / 2);
+ break;
+ case "end":
+ linePos -= calculatedPercentage;
+ break;
+ }
+
+ // Apply initial line position to the cue box.
+ switch (cue.vertical) {
+ case "":
+ styleBox.applyStyles({
+ top: styleBox.formatStyle(linePos, "%")
+ });
+ break;
+ case "rl":
+ styleBox.applyStyles({
+ left: styleBox.formatStyle(linePos, "%")
+ });
+ break;
+ case "lr":
+ styleBox.applyStyles({
+ right: styleBox.formatStyle(linePos, "%")
+ });
+ break;
+ }
+
+ axis = ["+y", "-x", "+x", "-y"];
+
+ // Get the box position again after we've applied the specified positioning
+ // to it.
+ boxPosition = new BoxPosition(styleBox);
+ }
+
+ var bestPosition = findBestPosition(boxPosition, axis);
+ styleBox.move(bestPosition.toCSSCompatValues(containerBox));
+ }
+
+ function WebVTT$1() {
+ // Nothing
+ }
+
+// Helper to allow strings to be decoded instead of the default binary utf8 data.
+ WebVTT$1.StringDecoder = function () {
+ return {
+ decode: function (data) {
+ if (!data) {
+ return "";
+ }
+ if (typeof data !== "string") {
+ throw new Error("Error - expected string data.");
+ }
+ return decodeURIComponent(encodeURIComponent(data));
+ }
+ };
+ };
+
+ WebVTT$1.convertCueToDOMTree = function (window, cuetext) {
+ if (!window || !cuetext) {
+ return null;
+ }
+ return parseContent(window, cuetext);
+ };
+
+ var FONT_SIZE_PERCENT = 0.05;
+ var FONT_STYLE = "sans-serif";
+ var CUE_BACKGROUND_PADDING = "1.5%";
+
+// Runs the processing model over the cues and regions passed to it.
+// @param overlay A block level element (usually a div) that the computed cues
+// and regions will be placed into.
+ WebVTT$1.processCues = function (window, cues, overlay) {
+ if (!window || !cues || !overlay) {
+ return null;
+ }
+
+ // Remove all previous children.
+ while (overlay.firstChild) {
+ overlay.removeChild(overlay.firstChild);
+ }
+
+ var paddedOverlay = window.document.createElement("div");
+ paddedOverlay.style.position = "absolute";
+ paddedOverlay.style.left = "0";
+ paddedOverlay.style.right = "0";
+ paddedOverlay.style.top = "0";
+ paddedOverlay.style.bottom = "0";
+ paddedOverlay.style.margin = CUE_BACKGROUND_PADDING;
+ overlay.appendChild(paddedOverlay);
+
+ // Determine if we need to compute the display states of the cues. This could
+ // be the case if a cue's state has been changed since the last computation or
+ // if it has not been computed yet.
+ function shouldCompute(cues) {
+ for (var i = 0; i < cues.length; i++) {
+ if (cues[i].hasBeenReset || !cues[i].displayState) {
+ return true;
+ }
+ }
+ return false;
+ }
+
+ // We don't need to recompute the cues' display states. Just reuse them.
+ if (!shouldCompute(cues)) {
+ for (var i = 0; i < cues.length; i++) {
+ paddedOverlay.appendChild(cues[i].displayState);
+ }
+ return;
+ }
+
+ var boxPositions = [],
+ containerBox = BoxPosition.getSimpleBoxPosition(paddedOverlay),
+ fontSize = Math.round(containerBox.height * FONT_SIZE_PERCENT * 100) / 100;
+ var styleOptions = {
+ font: fontSize + "px " + FONT_STYLE
+ };
+
+ (function () {
+ var styleBox, cue;
+
+ for (var i = 0; i < cues.length; i++) {
+ cue = cues[i];
+
+ // Compute the intial position and styles of the cue div.
+ styleBox = new CueStyleBox(window, cue, styleOptions);
+ paddedOverlay.appendChild(styleBox.div);
+
+ // Move the cue div to it's correct line position.
+ moveBoxToLinePosition(window, styleBox, containerBox, boxPositions);
+
+ // Remember the computed div so that we don't have to recompute it later
+ // if we don't have too.
+ cue.displayState = styleBox.div;
+
+ boxPositions.push(BoxPosition.getSimpleBoxPosition(styleBox));
+ }
+ })();
+ };
+
+ WebVTT$1.Parser = function (window, vttjs, decoder) {
+ if (!decoder) {
+ decoder = vttjs;
+ vttjs = {};
+ }
+ if (!vttjs) {
+ vttjs = {};
+ }
+
+ this.window = window;
+ this.vttjs = vttjs;
+ this.state = "INITIAL";
+ this.buffer = "";
+ this.decoder = decoder || new TextDecoder("utf8");
+ this.regionList = [];
+ };
+
+ WebVTT$1.Parser.prototype = {
+ // If the error is a ParsingError then report it to the consumer if
+ // possible. If it's not a ParsingError then throw it like normal.
+ reportOrThrowError: function (e) {
+ if (e instanceof ParsingError) {
+ this.onparsingerror && this.onparsingerror(e);
+ } else {
+ throw e;
+ }
+ },
+ parse: function (data) {
+ var self = this;
+
+ // If there is no data then we won't decode it, but will just try to parse
+ // whatever is in buffer already. This may occur in circumstances, for
+ // example when flush() is called.
+ if (data) {
+ // Try to decode the data that we received.
+ self.buffer += self.decoder.decode(data, {stream: true});
+ }
+
+ function collectNextLine() {
+ var buffer = self.buffer;
+ var pos = 0;
+ while (pos < buffer.length && buffer[pos] !== '\r' && buffer[pos] !== '\n') {
+ ++pos;
+ }
+ var line = buffer.substr(0, pos);
+ // Advance the buffer early in case we fail below.
+ if (buffer[pos] === '\r') {
+ ++pos;
+ }
+ if (buffer[pos] === '\n') {
+ ++pos;
+ }
+ self.buffer = buffer.substr(pos);
+ return line;
+ }
+
+ // 3.4 WebVTT region and WebVTT region settings syntax
+ function parseRegion(input) {
+ var settings = new Settings();
+
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "id":
+ settings.set(k, v);
+ break;
+ case "width":
+ settings.percent(k, v);
+ break;
+ case "lines":
+ settings.integer(k, v);
+ break;
+ case "regionanchor":
+ case "viewportanchor":
+ var xy = v.split(',');
+ if (xy.length !== 2) {
+ break;
+ }
+ // We have to make sure both x and y parse, so use a temporary
+ // settings object here.
+ var anchor = new Settings();
+ anchor.percent("x", xy[0]);
+ anchor.percent("y", xy[1]);
+ if (!anchor.has("x") || !anchor.has("y")) {
+ break;
+ }
+ settings.set(k + "X", anchor.get("x"));
+ settings.set(k + "Y", anchor.get("y"));
+ break;
+ case "scroll":
+ settings.alt(k, v, ["up"]);
+ break;
+ }
+ }, /=/, /\s/);
+
+ // Create the region, using default values for any values that were not
+ // specified.
+ if (settings.has("id")) {
+ var region = new (self.vttjs.VTTRegion || self.window.VTTRegion)();
+ region.width = settings.get("width", 100);
+ region.lines = settings.get("lines", 3);
+ region.regionAnchorX = settings.get("regionanchorX", 0);
+ region.regionAnchorY = settings.get("regionanchorY", 100);
+ region.viewportAnchorX = settings.get("viewportanchorX", 0);
+ region.viewportAnchorY = settings.get("viewportanchorY", 100);
+ region.scroll = settings.get("scroll", "");
+ // Register the region.
+ self.onregion && self.onregion(region);
+ // Remember the VTTRegion for later in case we parse any VTTCues that
+ // reference it.
+ self.regionList.push({
+ id: settings.get("id"),
+ region: region
+ });
+ }
+ }
+
+ // draft-pantos-http-live-streaming-20
+ // https://tools.ietf.org/html/draft-pantos-http-live-streaming-20#section-3.5
+ // 3.5 WebVTT
+ function parseTimestampMap(input) {
+ var settings = new Settings();
+
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "MPEGT":
+ settings.integer(k + 'S', v);
+ break;
+ case "LOCA":
+ settings.set(k + 'L', parseTimeStamp(v));
+ break;
+ }
+ }, /[^\d]:/, /,/);
+
+ self.ontimestampmap && self.ontimestampmap({
+ "MPEGTS": settings.get("MPEGTS"),
+ "LOCAL": settings.get("LOCAL")
+ });
+ }
+
+ // 3.2 WebVTT metadata header syntax
+ function parseHeader(input) {
+ if (input.match(/X-TIMESTAMP-MAP/)) {
+ // This line contains HLS X-TIMESTAMP-MAP metadata
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "X-TIMESTAMP-MAP":
+ parseTimestampMap(v);
+ break;
+ }
+ }, /=/);
+ } else {
+ parseOptions(input, function (k, v) {
+ switch (k) {
+ case "Region":
+ // 3.3 WebVTT region metadata header syntax
+ parseRegion(v);
+ break;
+ }
+ }, /:/);
+ }
+
+ }
+
+ // 5.1 WebVTT file parsing.
+ try {
+ var line;
+ if (self.state === "INITIAL") {
+ // We can't start parsing until we have the first line.
+ if (!/\r\n|\n/.test(self.buffer)) {
+ return this;
+ }
+
+ line = collectNextLine();
+
+ var m = line.match(/^WEBVTT([ \t].*)?$/);
+ if (!m || !m[0]) {
+ throw new ParsingError(ParsingError.Errors.BadSignature);
+ }
+
+ self.state = "HEADER";
+ }
+
+ var alreadyCollectedLine = false;
+ while (self.buffer) {
+ // We can't parse a line until we have the full line.
+ if (!/\r\n|\n/.test(self.buffer)) {
+ return this;
+ }
+
+ if (!alreadyCollectedLine) {
+ line = collectNextLine();
+ } else {
+ alreadyCollectedLine = false;
+ }
+
+ switch (self.state) {
+ case "HEADER":
+ // 13-18 - Allow a header (metadata) under the WEBVTT line.
+ if (/:/.test(line)) {
+ parseHeader(line);
+ } else if (!line) {
+ // An empty line terminates the header and starts the body (cues).
+ self.state = "ID";
+ }
+ continue;
+ case "NOTE":
+ // Ignore NOTE blocks.
+ if (!line) {
+ self.state = "ID";
+ }
+ continue;
+ case "ID":
+ // Check for the start of NOTE blocks.
+ if (/^NOTE($|[ \t])/.test(line)) {
+ self.state = "NOTE";
+ break;
+ }
+ // 19-29 - Allow any number of line terminators, then initialize new cue values.
+ if (!line) {
+ continue;
+ }
+ self.cue = new (self.vttjs.VTTCue || self.window.VTTCue)(0, 0, "");
+ self.state = "CUE";
+ // 30-39 - Check if self line contains an optional identifier or timing data.
+ if (line.indexOf("-->") === -1) {
+ self.cue.id = line;
+ continue;
+ }
+ // Process line as start of a cue.
+ /*falls through*/
+ case "CUE":
+ // 40 - Collect cue timings and settings.
+ try {
+ parseCue(line, self.cue, self.regionList);
+ } catch (e) {
+ self.reportOrThrowError(e);
+ // In case of an error ignore rest of the cue.
+ self.cue = null;
+ self.state = "BADCUE";
+ continue;
+ }
+ self.state = "CUETEXT";
+ continue;
+ case "CUETEXT":
+ var hasSubstring = line.indexOf("-->") !== -1;
+ // 34 - If we have an empty line then report the cue.
+ // 35 - If we have the special substring '-->' then report the cue,
+ // but do not collect the line as we need to process the current
+ // one as a new cue.
+ if (!line || hasSubstring && (alreadyCollectedLine = true)) {
+ // We are done parsing self cue.
+ self.oncue && self.oncue(self.cue);
+ self.cue = null;
+ self.state = "ID";
+ continue;
+ }
+ if (self.cue.text) {
+ self.cue.text += "\n";
+ }
+ self.cue.text += line;
+ continue;
+ case "BADCUE": // BADCUE
+ // 54-62 - Collect and discard the remaining cue.
+ if (!line) {
+ self.state = "ID";
+ }
+ continue;
+ }
+ }
+ } catch (e) {
+ self.reportOrThrowError(e);
+
+ // If we are currently parsing a cue, report what we have.
+ if (self.state === "CUETEXT" && self.cue && self.oncue) {
+ self.oncue(self.cue);
+ }
+ self.cue = null;
+ // Enter BADWEBVTT state if header was not parsed correctly otherwise
+ // another exception occurred so enter BADCUE state.
+ self.state = self.state === "INITIAL" ? "BADWEBVTT" : "BADCUE";
+ }
+ return this;
+ },
+ flush: function () {
+ var self = this;
+ try {
+ // Finish decoding the stream.
+ self.buffer += self.decoder.decode();
+ // Synthesize the end of the current cue or region.
+ if (self.cue || self.state === "HEADER") {
+ self.buffer += "\n\n";
+ self.parse();
+ }
+ // If we've flushed, parsed, and we're still on the INITIAL state then
+ // that means we don't have enough of the stream to parse the first
+ // line.
+ if (self.state === "INITIAL") {
+ throw new ParsingError(ParsingError.Errors.BadSignature);
+ }
+ } catch (e) {
+ self.reportOrThrowError(e);
+ }
+ self.onflush && self.onflush();
+ return this;
+ }
+ };
+
+ var vtt$1 = WebVTT$1;
+
+ /**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ var autoKeyword = "auto";
+ var directionSetting = {
+ "": true,
+ "lr": true,
+ "rl": true
+ };
+ var alignSetting = {
+ "start": true,
+ "middle": true,
+ "end": true,
+ "left": true,
+ "right": true
+ };
+
+ function findDirectionSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
+ var dir = directionSetting[value.toLowerCase()];
+ return dir ? value.toLowerCase() : false;
+ }
+
+ function findAlignSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
+ var align = alignSetting[value.toLowerCase()];
+ return align ? value.toLowerCase() : false;
+ }
+
+ function extend$1(obj) {
+ var i = 1;
+ for (; i < arguments.length; i++) {
+ var cobj = arguments[i];
+ for (var p in cobj) {
+ obj[p] = cobj[p];
+ }
+ }
+
+ return obj;
+ }
+
+ function VTTCue(startTime, endTime, text) {
+ var cue = this;
+ var isIE8 = (/MSIE\s8\.0/).test(navigator.userAgent);
+ var baseObj = {};
+
+ if (isIE8) {
+ cue = document.createElement('custom');
+ } else {
+ baseObj.enumerable = true;
+ }
+
+ /**
+ * Shim implementation specific properties. These properties are not in
+ * the spec.
+ */
+
+ // Lets us know when the VTTCue's data has changed in such a way that we need
+ // to recompute its display state. This lets us compute its display state
+ // lazily.
+ cue.hasBeenReset = false;
+
+ /**
+ * VTTCue and TextTrackCue properties
+ * http://dev.w3.org/html5/webvtt/#vttcue-interface
+ */
+
+ var _id = "";
+ var _pauseOnExit = false;
+ var _startTime = startTime;
+ var _endTime = endTime;
+ var _text = text;
+ var _region = null;
+ var _vertical = "";
+ var _snapToLines = true;
+ var _line = "auto";
+ var _lineAlign = "start";
+ var _position = 50;
+ var _positionAlign = "middle";
+ var _size = 50;
+ var _align = "middle";
+
+ Object.defineProperty(cue,
+ "id", extend$1({}, baseObj, {
+ get: function () {
+ return _id;
+ },
+ set: function (value) {
+ _id = "" + value;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "pauseOnExit", extend$1({}, baseObj, {
+ get: function () {
+ return _pauseOnExit;
+ },
+ set: function (value) {
+ _pauseOnExit = !!value;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "startTime", extend$1({}, baseObj, {
+ get: function () {
+ return _startTime;
+ },
+ set: function (value) {
+ if (typeof value !== "number") {
+ throw new TypeError("Start time must be set to a number.");
+ }
+ _startTime = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "endTime", extend$1({}, baseObj, {
+ get: function () {
+ return _endTime;
+ },
+ set: function (value) {
+ if (typeof value !== "number") {
+ throw new TypeError("End time must be set to a number.");
+ }
+ _endTime = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "text", extend$1({}, baseObj, {
+ get: function () {
+ return _text;
+ },
+ set: function (value) {
+ _text = "" + value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "region", extend$1({}, baseObj, {
+ get: function () {
+ return _region;
+ },
+ set: function (value) {
+ _region = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "vertical", extend$1({}, baseObj, {
+ get: function () {
+ return _vertical;
+ },
+ set: function (value) {
+ var setting = findDirectionSetting(value);
+ // Have to check for false because the setting an be an empty string.
+ if (setting === false) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _vertical = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "snapToLines", extend$1({}, baseObj, {
+ get: function () {
+ return _snapToLines;
+ },
+ set: function (value) {
+ _snapToLines = !!value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "line", extend$1({}, baseObj, {
+ get: function () {
+ return _line;
+ },
+ set: function (value) {
+ if (typeof value !== "number" && value !== autoKeyword) {
+ throw new SyntaxError("An invalid number or illegal string was specified.");
+ }
+ _line = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "lineAlign", extend$1({}, baseObj, {
+ get: function () {
+ return _lineAlign;
+ },
+ set: function (value) {
+ var setting = findAlignSetting(value);
+ if (!setting) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _lineAlign = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "position", extend$1({}, baseObj, {
+ get: function () {
+ return _position;
+ },
+ set: function (value) {
+ if (value < 0 || value > 100) {
+ throw new Error("Position must be between 0 and 100.");
+ }
+ _position = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "positionAlign", extend$1({}, baseObj, {
+ get: function () {
+ return _positionAlign;
+ },
+ set: function (value) {
+ var setting = findAlignSetting(value);
+ if (!setting) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _positionAlign = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "size", extend$1({}, baseObj, {
+ get: function () {
+ return _size;
+ },
+ set: function (value) {
+ if (value < 0 || value > 100) {
+ throw new Error("Size must be between 0 and 100.");
+ }
+ _size = value;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ Object.defineProperty(cue,
+ "align", extend$1({}, baseObj, {
+ get: function () {
+ return _align;
+ },
+ set: function (value) {
+ var setting = findAlignSetting(value);
+ if (!setting) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _align = setting;
+ this.hasBeenReset = true;
+ }
+ }));
+
+ /**
+ * Other <track> spec defined properties
+ */
+
+ // http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#text-track-cue-display-state
+ cue.displayState = undefined;
+
+ if (isIE8) {
+ return cue;
+ }
+ }
+
+ /**
+ * VTTCue methods
+ */
+
+ VTTCue.prototype.getCueAsHTML = function () {
+ // Assume WebVTT.convertCueToDOMTree is on the global.
+ return WebVTT.convertCueToDOMTree(window, this.text);
+ };
+
+ var vttcue = VTTCue;
+
+ /**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+ var scrollSetting = {
+ "": true,
+ "up": true
+ };
+
+ function findScrollSetting(value) {
+ if (typeof value !== "string") {
+ return false;
+ }
+ var scroll = scrollSetting[value.toLowerCase()];
+ return scroll ? value.toLowerCase() : false;
+ }
+
+ function isValidPercentValue(value) {
+ return typeof value === "number" && (value >= 0 && value <= 100);
+ }
+
+// VTTRegion shim http://dev.w3.org/html5/webvtt/#vttregion-interface
+ function VTTRegion() {
+ var _width = 100;
+ var _lines = 3;
+ var _regionAnchorX = 0;
+ var _regionAnchorY = 100;
+ var _viewportAnchorX = 0;
+ var _viewportAnchorY = 100;
+ var _scroll = "";
+
+ Object.defineProperties(this, {
+ "width": {
+ enumerable: true,
+ get: function () {
+ return _width;
+ },
+ set: function (value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("Width must be between 0 and 100.");
+ }
+ _width = value;
+ }
+ },
+ "lines": {
+ enumerable: true,
+ get: function () {
+ return _lines;
+ },
+ set: function (value) {
+ if (typeof value !== "number") {
+ throw new TypeError("Lines must be set to a number.");
+ }
+ _lines = value;
+ }
+ },
+ "regionAnchorY": {
+ enumerable: true,
+ get: function () {
+ return _regionAnchorY;
+ },
+ set: function (value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("RegionAnchorX must be between 0 and 100.");
+ }
+ _regionAnchorY = value;
+ }
+ },
+ "regionAnchorX": {
+ enumerable: true,
+ get: function () {
+ return _regionAnchorX;
+ },
+ set: function (value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("RegionAnchorY must be between 0 and 100.");
+ }
+ _regionAnchorX = value;
+ }
+ },
+ "viewportAnchorY": {
+ enumerable: true,
+ get: function () {
+ return _viewportAnchorY;
+ },
+ set: function (value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("ViewportAnchorY must be between 0 and 100.");
+ }
+ _viewportAnchorY = value;
+ }
+ },
+ "viewportAnchorX": {
+ enumerable: true,
+ get: function () {
+ return _viewportAnchorX;
+ },
+ set: function (value) {
+ if (!isValidPercentValue(value)) {
+ throw new Error("ViewportAnchorX must be between 0 and 100.");
+ }
+ _viewportAnchorX = value;
+ }
+ },
+ "scroll": {
+ enumerable: true,
+ get: function () {
+ return _scroll;
+ },
+ set: function (value) {
+ var setting = findScrollSetting(value);
+ // Have to check for false as an empty string is a legal value.
+ if (setting === false) {
+ throw new SyntaxError("An invalid or illegal string was specified.");
+ }
+ _scroll = setting;
+ }
+ }
+ });
+ }
+
+ var vttregion = VTTRegion;
+
+ var browserIndex = createCommonjsModule(function (module) {
+ /**
+ * Copyright 2013 vtt.js Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Default exports for Node. Export the extended versions of VTTCue and
+// VTTRegion in Node since we likely want the capability to convert back and
+// forth between JSON. If we don't then it's not that big of a deal since we're
+// off browser.
+
+
+ var vttjs = module.exports = {
+ WebVTT: vtt$1,
+ VTTCue: vttcue,
+ VTTRegion: vttregion
+ };
+
+ window_1.vttjs = vttjs;
+ window_1.WebVTT = vttjs.WebVTT;
+
+ var cueShim = vttjs.VTTCue;
+ var regionShim = vttjs.VTTRegion;
+ var nativeVTTCue = window_1.VTTCue;
+ var nativeVTTRegion = window_1.VTTRegion;
+
+ vttjs.shim = function () {
+ window_1.VTTCue = cueShim;
+ window_1.VTTRegion = regionShim;
+ };
+
+ vttjs.restore = function () {
+ window_1.VTTCue = nativeVTTCue;
+ window_1.VTTRegion = nativeVTTRegion;
+ };
+
+ if (!window_1.VTTCue) {
+ vttjs.shim();
+ }
+ });
+
+ /**
+ * @file tech.js
+ */
+
+ /**
+ * An Object containing a structure like: `{src: 'url', type: 'mimetype'}` or string
+ * that just contains the src url alone.
+ * * `var SourceObject = {src: 'http://ex.com/video.mp4', type: 'video/mp4'};`
+ * `var SourceString = 'http://example.com/some-video.mp4';`
+ *
+ * @typedef {Object|string} Tech~SourceObject
+ *
+ * @property {string} src
+ * The url to the source
+ *
+ * @property {string} type
+ * The mime type of the source
+ */
+
+ /**
+ * A function used by {@link Tech} to create a new {@link TextTrack}.
+ *
+ * @private
+ *
+ * @param {Tech} self
+ * An instance of the Tech class.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @param {Object} [options={}]
+ * An object with additional text track options
+ *
+ * @return {TextTrack}
+ * The text track that was created.
+ */
+ function createTrackHelper(self, kind, label, language) {
+ var options = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
+
+ var tracks = self.textTracks();
+
+ options.kind = kind;
+
+ if (label) {
+ options.label = label;
+ }
+ if (language) {
+ options.language = language;
+ }
+ options.tech = self;
+
+ var track = new ALL.text.TrackClass(options);
+
+ tracks.addTrack(track);
+
+ return track;
+ }
+
+ /**
+ * This is the base class for media playback technology controllers, such as
+ * {@link Flash} and {@link HTML5}
+ *
+ * @extends Component
+ */
+
+ var Tech = function (_Component) {
+ inherits(Tech, _Component);
+
+ /**
+ * Create an instance of this Tech.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} ready
+ * Callback function to call when the `HTML5` Tech is ready.
+ */
+ function Tech() {
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var ready = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : function () {
+ };
+ classCallCheck(this, Tech);
+
+ // we don't want the tech to report user activity automatically.
+ // This is done manually in addControlsListeners
+ options.reportTouchActivity = false;
+
+ // keep track of whether the current source has played at all to
+ // implement a very limited played()
+ var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
+
+ _this.hasStarted_ = false;
+ _this.on('playing', function () {
+ this.hasStarted_ = true;
+ });
+ _this.on('loadstart', function () {
+ this.hasStarted_ = false;
+ });
+
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+
+ if (options && options[props.getterName]) {
+ _this[props.privateName] = options[props.getterName];
+ }
+ });
+
+ // Manually track progress in cases where the browser/flash player doesn't report it.
+ if (!_this.featuresProgressEvents) {
+ _this.manualProgressOn();
+ }
+
+ // Manually track timeupdates in cases where the browser/flash player doesn't report it.
+ if (!_this.featuresTimeupdateEvents) {
+ _this.manualTimeUpdatesOn();
+ }
+
+ ['Text', 'Audio', 'Video'].forEach(function (track) {
+ if (options['native' + track + 'Tracks'] === false) {
+ _this['featuresNative' + track + 'Tracks'] = false;
+ }
+ });
+
+ if (options.nativeCaptions === false || options.nativeTextTracks === false) {
+ _this.featuresNativeTextTracks = false;
+ } else if (options.nativeCaptions === true || options.nativeTextTracks === true) {
+ _this.featuresNativeTextTracks = true;
+ }
+
+ if (!_this.featuresNativeTextTracks) {
+ _this.emulateTextTracks();
+ }
+
+ _this.autoRemoteTextTracks_ = new ALL.text.ListClass();
+
+ _this.initTrackListeners();
+
+ // Turn on component tap events only if not using native controls
+ if (!options.nativeControlsForTouch) {
+ _this.emitTapEvents();
+ }
+
+ if (_this.constructor) {
+ _this.name_ = _this.constructor.name || 'Unknown Tech';
+ }
+ return _this;
+ }
+
+ /* Fallbacks for unsupported event types
+ ================================================================================ */
+
+ /**
+ * Polyfill the `progress` event for browsers that don't support it natively.
+ *
+ * @see {@link Tech#trackProgress}
+ */
+
+
+ Tech.prototype.manualProgressOn = function manualProgressOn() {
+ this.on('durationchange', this.onDurationChange);
+
+ this.manualProgress = true;
+
+ // Trigger progress watching when a source begins loading
+ this.one('ready', this.trackProgress);
+ };
+
+ /**
+ * Turn off the polyfill for `progress` events that was created in
+ * {@link Tech#manualProgressOn}
+ */
+
+
+ Tech.prototype.manualProgressOff = function manualProgressOff() {
+ this.manualProgress = false;
+ this.stopTrackingProgress();
+
+ this.off('durationchange', this.onDurationChange);
+ };
+
+ /**
+ * This is used to trigger a `progress` event when the buffered percent changes. It
+ * sets an interval function that will be called every 500 milliseconds to check if the
+ * buffer end percent has changed.
+ *
+ * > This function is called by {@link Tech#manualProgressOn}
+ *
+ * @param {EventTarget~Event} event
+ * The `ready` event that caused this to run.
+ *
+ * @listens Tech#ready
+ * @fires Tech#progress
+ */
+
+
+ Tech.prototype.trackProgress = function trackProgress(event) {
+ this.stopTrackingProgress();
+ this.progressInterval = this.setInterval(bind(this, function () {
+ // Don't trigger unless buffered amount is greater than last time
+
+ var numBufferedPercent = this.bufferedPercent();
+
+ if (this.bufferedPercent_ !== numBufferedPercent) {
+ /**
+ * See {@link Player#progress}
+ *
+ * @event Tech#progress
+ * @type {EventTarget~Event}
+ */
+ this.trigger('progress');
+ }
+
+ this.bufferedPercent_ = numBufferedPercent;
+
+ if (numBufferedPercent === 1) {
+ this.stopTrackingProgress();
+ }
+ }), 500);
+ };
+
+ /**
+ * Update our internal duration on a `durationchange` event by calling
+ * {@link Tech#duration}.
+ *
+ * @param {EventTarget~Event} event
+ * The `durationchange` event that caused this to run.
+ *
+ * @listens Tech#durationchange
+ */
+
+
+ Tech.prototype.onDurationChange = function onDurationChange(event) {
+ this.duration_ = this.duration();
+ };
+
+ /**
+ * Get and create a `TimeRange` object for buffering.
+ *
+ * @return {TimeRange}
+ * The time range object that was created.
+ */
+
+
+ Tech.prototype.buffered = function buffered() {
+ return createTimeRanges(0, 0);
+ };
+
+ /**
+ * Get the percentage of the current video that is currently buffered.
+ *
+ * @return {number}
+ * A number from 0 to 1 that represents the decimal percentage of the
+ * video that is buffered.
+ *
+ */
+
+
+ Tech.prototype.bufferedPercent = function bufferedPercent$$1() {
+ return bufferedPercent(this.buffered(), this.duration_);
+ };
+
+ /**
+ * Turn off the polyfill for `progress` events that was created in
+ * {@link Tech#manualProgressOn}
+ * Stop manually tracking progress events by clearing the interval that was set in
+ * {@link Tech#trackProgress}.
+ */
+
+
+ Tech.prototype.stopTrackingProgress = function stopTrackingProgress() {
+ this.clearInterval(this.progressInterval);
+ };
+
+ /**
+ * Polyfill the `timeupdate` event for browsers that don't support it.
+ *
+ * @see {@link Tech#trackCurrentTime}
+ */
+
+
+ Tech.prototype.manualTimeUpdatesOn = function manualTimeUpdatesOn() {
+ this.manualTimeUpdates = true;
+
+ this.on('play', this.trackCurrentTime);
+ this.on('pause', this.stopTrackingCurrentTime);
+ };
+
+ /**
+ * Turn off the polyfill for `timeupdate` events that was created in
+ * {@link Tech#manualTimeUpdatesOn}
+ */
+
+
+ Tech.prototype.manualTimeUpdatesOff = function manualTimeUpdatesOff() {
+ this.manualTimeUpdates = false;
+ this.stopTrackingCurrentTime();
+ this.off('play', this.trackCurrentTime);
+ this.off('pause', this.stopTrackingCurrentTime);
+ };
+
+ /**
+ * Sets up an interval function to track current time and trigger `timeupdate` every
+ * 250 milliseconds.
+ *
+ * @listens Tech#play
+ * @triggers Tech#timeupdate
+ */
+
+
+ Tech.prototype.trackCurrentTime = function trackCurrentTime() {
+ if (this.currentTimeInterval) {
+ this.stopTrackingCurrentTime();
+ }
+ this.currentTimeInterval = this.setInterval(function () {
+ /**
+ * Triggered at an interval of 250ms to indicated that time is passing in the video.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
+ this.trigger({type: 'timeupdate', target: this, manuallyTriggered: true});
+
+ // 42 = 24 fps // 250 is what Webkit uses // FF uses 15
+ }, 250);
+ };
+
+ /**
+ * Stop the interval function created in {@link Tech#trackCurrentTime} so that the
+ * `timeupdate` event is no longer triggered.
+ *
+ * @listens {Tech#pause}
+ */
+
+
+ Tech.prototype.stopTrackingCurrentTime = function stopTrackingCurrentTime() {
+ this.clearInterval(this.currentTimeInterval);
+
+ // #1002 - if the video ends right before the next timeupdate would happen,
+ // the progress bar won't make it all the way to the end
+ this.trigger({type: 'timeupdate', target: this, manuallyTriggered: true});
+ };
+
+ /**
+ * Turn off all event polyfills, clear the `Tech`s {@link AudioTrackList},
+ * {@link VideoTrackList}, and {@link TextTrackList}, and dispose of this Tech.
+ *
+ * @fires Component#dispose
+ */
+
+
+ Tech.prototype.dispose = function dispose() {
+
+ // clear out all tracks because we can't reuse them between techs
+ this.clearTracks(NORMAL.names);
+
+ // Turn off any manual progress or timeupdate tracking
+ if (this.manualProgress) {
+ this.manualProgressOff();
+ }
+
+ if (this.manualTimeUpdates) {
+ this.manualTimeUpdatesOff();
+ }
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Clear out a single `TrackList` or an array of `TrackLists` given their names.
+ *
+ * > Note: Techs without source handlers should call this between sources for `video`
+ * & `audio` tracks. You don't want to use them between tracks!
+ *
+ * @param {string[]|string} types
+ * TrackList names to clear, valid names are `video`, `audio`, and
+ * `text`.
+ */
+
+
+ Tech.prototype.clearTracks = function clearTracks(types) {
+ var _this2 = this;
+
+ types = [].concat(types);
+ // clear out all tracks because we can't reuse them between techs
+ types.forEach(function (type) {
+ var list = _this2[type + 'Tracks']() || [];
+ var i = list.length;
+
+ while (i--) {
+ var track = list[i];
+
+ if (type === 'text') {
+ _this2.removeRemoteTextTrack(track);
+ }
+ list.removeTrack(track);
+ }
+ });
+ };
+
+ /**
+ * Remove any TextTracks added via addRemoteTextTrack that are
+ * flagged for automatic garbage collection
+ */
+
+
+ Tech.prototype.cleanupAutoTextTracks = function cleanupAutoTextTracks() {
+ var list = this.autoRemoteTextTracks_ || [];
+ var i = list.length;
+
+ while (i--) {
+ var track = list[i];
+
+ this.removeRemoteTextTrack(track);
+ }
+ };
+
+ /**
+ * Reset the tech, which will removes all sources and reset the internal readyState.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.reset = function reset() {
+ };
+
+ /**
+ * Get or set an error on the Tech.
+ *
+ * @param {MediaError} [err]
+ * Error to set on the Tech
+ *
+ * @return {MediaError|null}
+ * The current error object on the tech, or null if there isn't one.
+ */
+
+
+ Tech.prototype.error = function error(err) {
+ if (err !== undefined) {
+ this.error_ = new MediaError(err);
+ this.trigger('error');
+ }
+ return this.error_;
+ };
+
+ /**
+ * Returns the `TimeRange`s that have been played through for the current source.
+ *
+ * > NOTE: This implementation is incomplete. It does not track the played `TimeRange`.
+ * It only checks wether the source has played at all or not.
+ *
+ * @return {TimeRange}
+ * - A single time range if this video has played
+ * - An empty set of ranges if not.
+ */
+
+
+ Tech.prototype.played = function played() {
+ if (this.hasStarted_) {
+ return createTimeRanges(0, 0);
+ }
+ return createTimeRanges();
+ };
+
+ /**
+ * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was
+ * previously called.
+ *
+ * @fires Tech#timeupdate
+ */
+
+
+ Tech.prototype.setCurrentTime = function setCurrentTime() {
+ // improve the accuracy of manual timeupdates
+ if (this.manualTimeUpdates) {
+ /**
+ * A manual `timeupdate` event.
+ *
+ * @event Tech#timeupdate
+ * @type {EventTarget~Event}
+ */
+ this.trigger({type: 'timeupdate', target: this, manuallyTriggered: true});
+ }
+ };
+
+ /**
+ * Turn on listeners for {@link VideoTrackList}, {@link {AudioTrackList}, and
+ * {@link TextTrackList} events.
+ *
+ * This adds {@link EventTarget~EventListeners} for `addtrack`, and `removetrack`.
+ *
+ * @fires Tech#audiotrackchange
+ * @fires Tech#videotrackchange
+ * @fires Tech#texttrackchange
+ */
+
+
+ Tech.prototype.initTrackListeners = function initTrackListeners() {
+ var _this3 = this;
+
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link AudioTrackList}
+ *
+ * @event Tech#audiotrackchange
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link VideoTrackList}
+ *
+ * @event Tech#videotrackchange
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Triggered when tracks are added or removed on the Tech {@link TextTrackList}
+ *
+ * @event Tech#texttrackchange
+ * @type {EventTarget~Event}
+ */
+ NORMAL.names.forEach(function (name) {
+ var props = NORMAL[name];
+ var trackListChanges = function trackListChanges() {
+ _this3.trigger(name + 'trackchange');
+ };
+
+ var tracks = _this3[props.getterName]();
+
+ tracks.addEventListener('removetrack', trackListChanges);
+ tracks.addEventListener('addtrack', trackListChanges);
+
+ _this3.on('dispose', function () {
+ tracks.removeEventListener('removetrack', trackListChanges);
+ tracks.removeEventListener('addtrack', trackListChanges);
+ });
+ });
+ };
+
+ /**
+ * Emulate TextTracks using vtt.js if necessary
+ *
+ * @fires Tech#vttjsloaded
+ * @fires Tech#vttjserror
+ */
+
+
+ Tech.prototype.addWebVttScript_ = function addWebVttScript_() {
+ var _this4 = this;
+
+ if (window_1.WebVTT) {
+ return;
+ }
+
+ // Initially, Tech.el_ is a child of a dummy-div wait until the Component system
+ // signals that the Tech is ready at which point Tech.el_ is part of the DOM
+ // before inserting the WebVTT script
+ if (document_1.body.contains(this.el())) {
+
+ // load via require if available and vtt.js script location was not passed in
+ // as an option. novtt builds will turn the above require call into an empty object
+ // which will cause this if check to always fail.
+ if (!this.options_['vtt.js'] && isPlain(browserIndex) && Object.keys(browserIndex).length > 0) {
+ this.trigger('vttjsloaded');
+ return;
+ }
+
+ // load vtt.js via the script location option or the cdn of no location was
+ // passed in
+ var script = document_1.createElement('script');
+
+ script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.12.4/vtt.min.js';
+ script.onload = function () {
+ /**
+ * Fired when vtt.js is loaded.
+ *
+ * @event Tech#vttjsloaded
+ * @type {EventTarget~Event}
+ */
+ _this4.trigger('vttjsloaded');
+ };
+ script.onerror = function () {
+ /**
+ * Fired when vtt.js was not loaded due to an error
+ *
+ * @event Tech#vttjsloaded
+ * @type {EventTarget~Event}
+ */
+ _this4.trigger('vttjserror');
+ };
+ this.on('dispose', function () {
+ script.onload = null;
+ script.onerror = null;
+ });
+ // but have not loaded yet and we set it to true before the inject so that
+ // we don't overwrite the injected window.WebVTT if it loads right away
+ window_1.WebVTT = true;
+ this.el().parentNode.appendChild(script);
+ } else {
+ this.ready(this.addWebVttScript_);
+ }
+ };
+
+ /**
+ * Emulate texttracks
+ *
+ */
+
+
+ Tech.prototype.emulateTextTracks = function emulateTextTracks() {
+ var _this5 = this;
+
+ var tracks = this.textTracks();
+ var remoteTracks = this.remoteTextTracks();
+ var handleAddTrack = function handleAddTrack(e) {
+ return tracks.addTrack(e.track);
+ };
+ var handleRemoveTrack = function handleRemoveTrack(e) {
+ return tracks.removeTrack(e.track);
+ };
+
+ remoteTracks.on('addtrack', handleAddTrack);
+ remoteTracks.on('removetrack', handleRemoveTrack);
+
+ this.addWebVttScript_();
+
+ var updateDisplay = function updateDisplay() {
+ return _this5.trigger('texttrackchange');
+ };
+
+ var textTracksChanges = function textTracksChanges() {
+ updateDisplay();
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ track.removeEventListener('cuechange', updateDisplay);
+ if (track.mode === 'showing') {
+ track.addEventListener('cuechange', updateDisplay);
+ }
+ }
+ };
+
+ textTracksChanges();
+ tracks.addEventListener('change', textTracksChanges);
+ tracks.addEventListener('addtrack', textTracksChanges);
+ tracks.addEventListener('removetrack', textTracksChanges);
+
+ this.on('dispose', function () {
+ remoteTracks.off('addtrack', handleAddTrack);
+ remoteTracks.off('removetrack', handleRemoveTrack);
+ tracks.removeEventListener('change', textTracksChanges);
+ tracks.removeEventListener('addtrack', textTracksChanges);
+ tracks.removeEventListener('removetrack', textTracksChanges);
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ track.removeEventListener('cuechange', updateDisplay);
+ }
+ });
+ };
+
+ /**
+ * Create and returns a remote {@link TextTrack} object.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @return {TextTrack}
+ * The TextTrack that gets created.
+ */
+
+
+ Tech.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+ if (!kind) {
+ throw new Error('TextTrack kind is required but was not provided');
+ }
+
+ return createTrackHelper(this, kind, label, language);
+ };
+
+ /**
+ * Create an emulated TextTrack for use by addRemoteTextTrack
+ *
+ * This is intended to be overridden by classes that inherit from
+ * Tech in order to create native or custom TextTracks.
+ *
+ * @param {Object} options
+ * The object should contain the options to initialize the TextTrack with.
+ *
+ * @param {string} [options.kind]
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+ *
+ * @param {string} [options.label].
+ * Label to identify the text track
+ *
+ * @param {string} [options.language]
+ * Two letter language abbreviation.
+ *
+ * @return {HTMLTrackElement}
+ * The track element that gets created.
+ */
+
+
+ Tech.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
+ var track = mergeOptions(options, {
+ tech: this
+ });
+
+ return new REMOTE.remoteTextEl.TrackClass(track);
+ };
+
+ /**
+ * Creates a remote text track object and returns an html track element.
+ *
+ * > Note: This can be an emulated {@link HTMLTrackElement} or a native one.
+ *
+ * @param {Object} options
+ * See {@link Tech#createRemoteTextTrack} for more detailed properties.
+ *
+ * @param {boolean} [manualCleanup=true]
+ * - When false: the TextTrack will be automatically removed from the video
+ * element whenever the source changes
+ * - When True: The TextTrack will have to be cleaned up manually
+ *
+ * @return {HTMLTrackElement}
+ * An Html Track Element.
+ *
+ * @deprecated The default functionality for this function will be equivalent
+ * to "manualCleanup=false" in the future. The manualCleanup parameter will
+ * also be removed.
+ */
+
+
+ Tech.prototype.addRemoteTextTrack = function addRemoteTextTrack() {
+ var _this6 = this;
+
+ var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var manualCleanup = arguments[1];
+
+ var htmlTrackElement = this.createRemoteTextTrack(options);
+
+ if (manualCleanup !== true && manualCleanup !== false) {
+ // deprecation warning
+ log$1.warn('Calling addRemoteTextTrack without explicitly setting the "manualCleanup" parameter to `true` is deprecated and default to `false` in future version of video.js');
+ manualCleanup = true;
+ }
+
+ // store HTMLTrackElement and TextTrack to remote list
+ this.remoteTextTrackEls().addTrackElement_(htmlTrackElement);
+ this.remoteTextTracks().addTrack(htmlTrackElement.track);
+
+ if (manualCleanup !== true) {
+ // create the TextTrackList if it doesn't exist
+ this.ready(function () {
+ return _this6.autoRemoteTextTracks_.addTrack(htmlTrackElement.track);
+ });
+ }
+
+ return htmlTrackElement;
+ };
+
+ /**
+ * Remove a remote text track from the remote `TextTrackList`.
+ *
+ * @param {TextTrack} track
+ * `TextTrack` to remove from the `TextTrackList`
+ */
+
+
+ Tech.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+ var trackElement = this.remoteTextTrackEls().getTrackElementByTrack_(track);
+
+ // remove HTMLTrackElement and TextTrack from remote list
+ this.remoteTextTrackEls().removeTrackElement_(trackElement);
+ this.remoteTextTracks().removeTrack(track);
+ this.autoRemoteTextTracks_.removeTrack(track);
+ };
+
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object}
+ * An object with supported media playback quality metrics
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ return {};
+ };
+
+ /**
+ * A method to set a poster from a `Tech`.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.setPoster = function setPoster() {
+ };
+
+ /**
+ * A method to check for the presence of the 'playsinine' <video> attribute.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.playsinline = function playsinline() {
+ };
+
+ /**
+ * A method to set or unset the 'playsinine' <video> attribute.
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.setPlaysinline = function setPlaysinline() {
+ };
+
+ /*
+ * Check if the tech can support the given mime-type.
+ *
+ * The base tech does not support any type, but source handlers might
+ * overwrite this.
+ *
+ * @param {string} type
+ * The mimetype to check for support
+ *
+ * @return {string}
+ * 'probably', 'maybe', or empty string
+ *
+ * @see [Spec]{@link https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/canPlayType}
+ *
+ * @abstract
+ */
+
+
+ Tech.prototype.canPlayType = function canPlayType() {
+ return '';
+ };
+
+ /**
+ * Check if the type is supported by this tech.
+ *
+ * The base tech does not support any type, but source handlers might
+ * overwrite this.
+ *
+ * @param {string} type
+ * The media type to check
+ * @return {string} Returns the native video element's response
+ */
+
+
+ Tech.canPlayType = function canPlayType() {
+ return '';
+ };
+
+ /**
+ * Check if the tech can support the given source
+ * @param {Object} srcObj
+ * The source object
+ * @param {Object} options
+ * The options passed to the tech
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+
+
+ Tech.canPlaySource = function canPlaySource(srcObj, options) {
+ return Tech.canPlayType(srcObj.type);
+ };
+
+ /*
+ * Return whether the argument is a Tech or not.
+ * Can be passed either a Class like `Html5` or a instance like `player.tech_`
+ *
+ * @param {Object} component
+ * The item to check
+ *
+ * @return {boolean}
+ * Whether it is a tech or not
+ * - True if it is a tech
+ * - False if it is not
+ */
+
+
+ Tech.isTech = function isTech(component) {
+ return component.prototype instanceof Tech || component instanceof Tech || component === Tech;
+ };
+
+ /**
+ * Registers a `Tech` into a shared list for videojs.
+ *
+ * @param {string} name
+ * Name of the `Tech` to register.
+ *
+ * @param {Object} tech
+ * The `Tech` class to register.
+ */
+
+
+ Tech.registerTech = function registerTech(name, tech) {
+ if (!Tech.techs_) {
+ Tech.techs_ = {};
+ }
+
+ if (!Tech.isTech(tech)) {
+ throw new Error('Tech ' + name + ' must be a Tech');
+ }
+
+ if (!Tech.canPlayType) {
+ throw new Error('Techs must have a static canPlayType method on them');
+ }
+ if (!Tech.canPlaySource) {
+ throw new Error('Techs must have a static canPlaySource method on them');
+ }
+
+ name = toTitleCase(name);
+
+ Tech.techs_[name] = tech;
+ if (name !== 'Tech') {
+ // camel case the techName for use in techOrder
+ Tech.defaultTechOrder_.push(name);
+ }
+ return tech;
+ };
+
+ /**
+ * Get a `Tech` from the shared list by name.
+ *
+ * @param {string} name
+ * `camelCase` or `TitleCase` name of the Tech to get
+ *
+ * @return {Tech|undefined}
+ * The `Tech` or undefined if there was no tech with the name requsted.
+ */
+
+
+ Tech.getTech = function getTech(name) {
+ if (!name) {
+ return;
+ }
+
+ name = toTitleCase(name);
+
+ if (Tech.techs_ && Tech.techs_[name]) {
+ return Tech.techs_[name];
+ }
+
+ if (window_1 && window_1.videojs && window_1.videojs[name]) {
+ log$1.warn('The ' + name + ' tech was added to the videojs object when it should be registered using videojs.registerTech(name, tech)');
+ return window_1.videojs[name];
+ }
+ };
+
+ return Tech;
+ }(Component);
+
+ /**
+ * Get the {@link VideoTrackList}
+ *
+ * @returns {VideoTrackList}
+ * @method Tech.prototype.videoTracks
+ */
+
+ /**
+ * Get the {@link AudioTrackList}
+ *
+ * @returns {AudioTrackList}
+ * @method Tech.prototype.audioTracks
+ */
+
+ /**
+ * Get the {@link TextTrackList}
+ *
+ * @returns {TextTrackList}
+ * @method Tech.prototype.textTracks
+ */
+
+ /**
+ * Get the remote element {@link TextTrackList}
+ *
+ * @returns {TextTrackList}
+ * @method Tech.prototype.remoteTextTracks
+ */
+
+ /**
+ * Get the remote element {@link HtmlTrackElementList}
+ *
+ * @returns {HtmlTrackElementList}
+ * @method Tech.prototype.remoteTextTrackEls
+ */
+
+ ALL.names.forEach(function (name) {
+ var props = ALL[name];
+
+ Tech.prototype[props.getterName] = function () {
+ this[props.privateName] = this[props.privateName] || new props.ListClass();
+ return this[props.privateName];
+ };
+ });
+
+ /**
+ * List of associated text tracks
+ *
+ * @type {TextTrackList}
+ * @private
+ * @property Tech#textTracks_
+ */
+
+ /**
+ * List of associated audio tracks.
+ *
+ * @type {AudioTrackList}
+ * @private
+ * @property Tech#audioTracks_
+ */
+
+ /**
+ * List of associated video tracks.
+ *
+ * @type {VideoTrackList}
+ * @private
+ * @property Tech#videoTracks_
+ */
+
+ /**
+ * Boolean indicating wether the `Tech` supports volume control.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Tech.prototype.featuresVolumeControl = true;
+
+ /**
+ * Boolean indicating wether the `Tech` support fullscreen resize control.
+ * Resizing plugins using request fullscreen reloads the plugin
+ *
+ * @type {boolean}
+ * @default
+ */
+ Tech.prototype.featuresFullscreenResize = false;
+
+ /**
+ * Boolean indicating wether the `Tech` supports changing the speed at which the video
+ * plays. Examples:
+ * - Set player to play 2x (twice) as fast
+ * - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default
+ */
+ Tech.prototype.featuresPlaybackRate = false;
+
+ /**
+ * Boolean indicating wether the `Tech` supports the `progress` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualProgressOn} should be called.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Tech.prototype.featuresProgressEvents = false;
+
+ /**
+ * Boolean indicating wether the `Tech` supports the `timeupdate` event. This is currently
+ * not triggered by video-js-swf. This will be used to determine if
+ * {@link Tech#manualTimeUpdates} should be called.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Tech.prototype.featuresTimeupdateEvents = false;
+
+ /**
+ * Boolean indicating wether the `Tech` supports the native `TextTrack`s.
+ * This will help us integrate with native `TextTrack`s if the browser supports them.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Tech.prototype.featuresNativeTextTracks = false;
+
+ /**
+ * A functional mixin for techs that want to use the Source Handler pattern.
+ * Source handlers are scripts for handling specific formats.
+ * The source handler pattern is used for adaptive formats (HLS, DASH) that
+ * manually load video data and feed it into a Source Buffer (Media Source Extensions)
+ * Example: `Tech.withSourceHandlers.call(MyTech);`
+ *
+ * @param {Tech} _Tech
+ * The tech to add source handler functions to.
+ *
+ * @mixes Tech~SourceHandlerAdditions
+ */
+ Tech.withSourceHandlers = function (_Tech) {
+
+ /**
+ * Register a source handler
+ *
+ * @param {Function} handler
+ * The source handler class
+ *
+ * @param {number} [index]
+ * Register it at the following index
+ */
+ _Tech.registerSourceHandler = function (handler, index) {
+ var handlers = _Tech.sourceHandlers;
+
+ if (!handlers) {
+ handlers = _Tech.sourceHandlers = [];
+ }
+
+ if (index === undefined) {
+ // add to the end of the list
+ index = handlers.length;
+ }
+
+ handlers.splice(index, 0, handler);
+ };
+
+ /**
+ * Check if the tech can support the given type. Also checks the
+ * Techs sourceHandlers.
+ *
+ * @param {string} type
+ * The mimetype to check.
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+ _Tech.canPlayType = function (type) {
+ var handlers = _Tech.sourceHandlers || [];
+ var can = void 0;
+
+ for (var i = 0; i < handlers.length; i++) {
+ can = handlers[i].canPlayType(type);
+
+ if (can) {
+ return can;
+ }
+ }
+
+ return '';
+ };
+
+ /**
+ * Returns the first source handler that supports the source.
+ *
+ * TODO: Answer question: should 'probably' be prioritized over 'maybe'
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Object} options
+ * The options passed to the tech
+ *
+ * @return {SourceHandler|null}
+ * The first source handler that supports the source or null if
+ * no SourceHandler supports the source
+ */
+ _Tech.selectSourceHandler = function (source, options) {
+ var handlers = _Tech.sourceHandlers || [];
+ var can = void 0;
+
+ for (var i = 0; i < handlers.length; i++) {
+ can = handlers[i].canHandleSource(source, options);
+
+ if (can) {
+ return handlers[i];
+ }
+ }
+
+ return null;
+ };
+
+ /**
+ * Check if the tech can support the given source.
+ *
+ * @param {Tech~SourceObject} srcObj
+ * The source object
+ *
+ * @param {Object} options
+ * The options passed to the tech
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+ _Tech.canPlaySource = function (srcObj, options) {
+ var sh = _Tech.selectSourceHandler(srcObj, options);
+
+ if (sh) {
+ return sh.canHandleSource(srcObj, options);
+ }
+
+ return '';
+ };
+
+ /**
+ * When using a source handler, prefer its implementation of
+ * any function normally provided by the tech.
+ */
+ var deferrable = ['seekable', 'duration'];
+
+ /**
+ * A wrapper around {@link Tech#seekable} that will call a `SourceHandler`s seekable
+ * function if it exists, with a fallback to the Techs seekable function.
+ *
+ * @method _Tech.seekable
+ */
+
+ /**
+ * A wrapper around {@link Tech#duration} that will call a `SourceHandler`s duration
+ * function if it exists, otherwise it will fallback to the techs duration function.
+ *
+ * @method _Tech.duration
+ */
+
+ deferrable.forEach(function (fnName) {
+ var originalFn = this[fnName];
+
+ if (typeof originalFn !== 'function') {
+ return;
+ }
+
+ this[fnName] = function () {
+ if (this.sourceHandler_ && this.sourceHandler_[fnName]) {
+ return this.sourceHandler_[fnName].apply(this.sourceHandler_, arguments);
+ }
+ return originalFn.apply(this, arguments);
+ };
+ }, _Tech.prototype);
+
+ /**
+ * Create a function for setting the source using a source object
+ * and source handlers.
+ * Should never be called unless a source handler was found.
+ *
+ * @param {Tech~SourceObject} source
+ * A source object with src and type keys
+ */
+ _Tech.prototype.setSource = function (source) {
+ var sh = _Tech.selectSourceHandler(source, this.options_);
+
+ if (!sh) {
+ // Fall back to a native source hander when unsupported sources are
+ // deliberately set
+ if (_Tech.nativeSourceHandler) {
+ sh = _Tech.nativeSourceHandler;
+ } else {
+ log$1.error('No source hander found for the current source.');
+ }
+ }
+
+ // Dispose any existing source handler
+ this.disposeSourceHandler();
+ this.off('dispose', this.disposeSourceHandler);
+
+ if (sh !== _Tech.nativeSourceHandler) {
+ this.currentSource_ = source;
+ }
+
+ this.sourceHandler_ = sh.handleSource(source, this, this.options_);
+ this.on('dispose', this.disposeSourceHandler);
+ };
+
+ /**
+ * Clean up any existing SourceHandlers and listeners when the Tech is disposed.
+ *
+ * @listens Tech#dispose
+ */
+ _Tech.prototype.disposeSourceHandler = function () {
+ // if we have a source and get another one
+ // then we are loading something new
+ // than clear all of our current tracks
+ if (this.currentSource_) {
+ this.clearTracks(['audio', 'video']);
+ this.currentSource_ = null;
+ }
+
+ // always clean up auto-text tracks
+ this.cleanupAutoTextTracks();
+
+ if (this.sourceHandler_) {
+
+ if (this.sourceHandler_.dispose) {
+ this.sourceHandler_.dispose();
+ }
+
+ this.sourceHandler_ = null;
+ }
+ };
+ };
+
+// The base Tech class needs to be registered as a Component. It is the only
+// Tech that can be registered as a Component.
+ Component.registerComponent('Tech', Tech);
+ Tech.registerTech('Tech', Tech);
+
+ /**
+ * A list of techs that should be added to techOrder on Players
+ *
+ * @private
+ */
+ Tech.defaultTechOrder_ = [];
+
+ var middlewares = {};
+
+ function use(type, middleware) {
+ middlewares[type] = middlewares[type] || [];
+ middlewares[type].push(middleware);
+ }
+
+
+ function setSource(player, src, next) {
+ player.setTimeout(function () {
+ return setSourceHelper(src, middlewares[src.type], next, player);
+ }, 1);
+ }
+
+ function setTech(middleware, tech) {
+ middleware.forEach(function (mw) {
+ return mw.setTech && mw.setTech(tech);
+ });
+ }
+
+ function get$1(middleware, tech, method) {
+ return middleware.reduceRight(middlewareIterator(method), tech[method]());
+ }
+
+ function set$1(middleware, tech, method, arg) {
+ return tech[method](middleware.reduce(middlewareIterator(method), arg));
+ }
+
+ var allowedGetters = {
+ buffered: 1,
+ currentTime: 1,
+ duration: 1,
+ seekable: 1,
+ played: 1
+ };
+
+ var allowedSetters = {
+ setCurrentTime: 1
+ };
+
+ function middlewareIterator(method) {
+ return function (value, mw) {
+ if (mw[method]) {
+ return mw[method](value);
+ }
+
+ return value;
+ };
+ }
+
+ function setSourceHelper() {
+ var src = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ var middleware = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
+ var next = arguments[2];
+ var player = arguments[3];
+ var acc = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : [];
+ var lastRun = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
+ var mwFactory = middleware[0],
+ mwrest = middleware.slice(1);
+
+ // if mwFactory is a string, then we're at a fork in the road
+
+ if (typeof mwFactory === 'string') {
+ setSourceHelper(src, middlewares[mwFactory], next, player, acc, lastRun);
+
+ // if we have an mwFactory, call it with the player to get the mw,
+ // then call the mw's setSource method
+ } else if (mwFactory) {
+ var mw = mwFactory(player);
+
+ mw.setSource(assign({}, src), function (err, _src) {
+
+ // something happened, try the next middleware on the current level
+ // make sure to use the old src
+ if (err) {
+ return setSourceHelper(src, mwrest, next, player, acc, lastRun);
+ }
+
+ // we've succeeded, now we need to go deeper
+ acc.push(mw);
+
+ // if it's the same time, continue does the current chain
+ // otherwise, we want to go down the new chain
+ setSourceHelper(_src, src.type === _src.type ? mwrest : middlewares[_src.type], next, player, acc, lastRun);
+ });
+ } else if (mwrest.length) {
+ setSourceHelper(src, mwrest, next, player, acc, lastRun);
+ } else if (lastRun) {
+ next(src, acc);
+ } else {
+ setSourceHelper(src, middlewares['*'], next, player, acc, true);
+ }
+ }
+
+ /**
+ * @module filter-source
+ */
+ /**
+ * Filter out single bad source objects or multiple source objects in an
+ * array. Also flattens nested source object arrays into a 1 dimensional
+ * array of source objects.
+ *
+ * @param {Tech~SourceObject|Tech~SourceObject[]} src
+ * The src object to filter
+ *
+ * @return {Tech~SourceObject[]}
+ * An array of sourceobjects containing only valid sources
+ *
+ * @private
+ */
+ var filterSource = function filterSource(src) {
+ // traverse array
+ if (Array.isArray(src)) {
+ var newsrc = [];
+
+ src.forEach(function (srcobj) {
+ srcobj = filterSource(srcobj);
+
+ if (Array.isArray(srcobj)) {
+ newsrc = newsrc.concat(srcobj);
+ } else if (isObject(srcobj)) {
+ newsrc.push(srcobj);
+ }
+ });
+
+ src = newsrc;
+ } else if (typeof src === 'string' && src.trim()) {
+ // convert string into object
+ src = [{src: src}];
+ } else if (isObject(src) && typeof src.src === 'string' && src.src && src.src.trim()) {
+ // src is already valid
+ src = [src];
+ } else {
+ // invalid source, turn it into an empty array
+ src = [];
+ }
+
+ return src;
+ };
+
+ /**
+ * @file loader.js
+ */
+ /**
+ * The `MediaLoader` is the `Component` that decides which playback technology to load
+ * when a player is initialized.
+ *
+ * @extends Component
+ */
+
+ var MediaLoader = function (_Component) {
+ inherits(MediaLoader, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should attach to.
+ *
+ * @param {Object} [options]
+ * The key/value stroe of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function that is run when this component is ready.
+ */
+ function MediaLoader(player, options, ready) {
+ classCallCheck(this, MediaLoader);
+
+ // MediaLoader has no element
+ var options_ = mergeOptions({createEl: false}, options);
+
+ // If there are no sources when the player is initialized,
+ // load the first supported playback technology.
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options_, ready));
+
+ if (!options.playerOptions.sources || options.playerOptions.sources.length === 0) {
+ for (var i = 0, j = options.playerOptions.techOrder; i < j.length; i++) {
+ var techName = toTitleCase(j[i]);
+ var tech = Tech.getTech(techName);
+
+ // Support old behavior of techs being registered as components.
+ // Remove once that deprecated behavior is removed.
+ if (!techName) {
+ tech = Component.getComponent(techName);
+ }
+
+ // Check if the browser supports this technology
+ if (tech && tech.isSupported()) {
+ player.loadTech_(techName);
+ break;
+ }
+ }
+ } else {
+ // Loop through playback technologies (HTML5, Flash) and check for support.
+ // Then load the best source.
+ // A few assumptions here:
+ // All playback technologies respect preload false.
+ player.src(options.playerOptions.sources);
+ }
+ return _this;
+ }
+
+ return MediaLoader;
+ }(Component);
+
+ Component.registerComponent('MediaLoader', MediaLoader);
+
+ /**
+ * @file button.js
+ */
+ /**
+ * Clickable Component which is clickable or keyboard actionable,
+ * but is not a native HTML button.
+ *
+ * @extends Component
+ */
+
+ var ClickableComponent = function (_Component) {
+ inherits(ClickableComponent, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ClickableComponent(player, options) {
+ classCallCheck(this, ClickableComponent);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.emitTapEvents();
+
+ _this.enable();
+ return _this;
+ }
+
+ /**
+ * Create the `Component`s DOM element.
+ *
+ * @param {string} [tag=div]
+ * The element's node type.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element.
+ *
+ * @param {Object} [attributes={}]
+ * An object of attributes that should be set on the element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ ClickableComponent.prototype.createEl = function createEl$$1() {
+ var tag = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'div';
+ var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ props = assign({
+ innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+ className: this.buildCSSClass(),
+ tabIndex: 0
+ }, props);
+
+ if (tag === 'button') {
+ log$1.error('Creating a ClickableComponent with an HTML element of ' + tag + ' is not supported; use a Button instead.');
+ }
+
+ // Add ARIA attributes for clickable element which is not a native HTML button
+ attributes = assign({
+ 'role': 'button',
+
+ // let the screen reader user know that the text of the element may change
+ 'aria-live': 'polite'
+ }, attributes);
+
+ this.tabIndex_ = props.tabIndex;
+
+ var el = _Component.prototype.createEl.call(this, tag, props, attributes);
+
+ this.createControlTextEl(el);
+
+ return el;
+ };
+
+ /**
+ * Create a control text element on this `Component`
+ *
+ * @param {Element} [el]
+ * Parent element for the control text.
+ *
+ * @return {Element}
+ * The control text element that gets created.
+ */
+
+
+ ClickableComponent.prototype.createControlTextEl = function createControlTextEl(el) {
+ this.controlTextEl_ = createEl('span', {
+ className: 'vjs-control-text'
+ });
+
+ if (el) {
+ el.appendChild(this.controlTextEl_);
+ }
+
+ this.controlText(this.controlText_, el);
+
+ return this.controlTextEl_;
+ };
+
+ /**
+ * Get or set the localize text to use for the controls on the `Component`.
+ *
+ * @param {string} [text]
+ * Control text for element.
+ *
+ * @param {Element} [el=this.el()]
+ * Element to set the title on.
+ *
+ * @return {string}
+ * - The control text when getting
+ */
+
+
+ ClickableComponent.prototype.controlText = function controlText(text) {
+ var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.el();
+
+ if (!text) {
+ return this.controlText_ || 'Need Text';
+ }
+
+ var localizedText = this.localize(text);
+
+ this.controlText_ = text;
+ textContent(this.controlTextEl_, localizedText);
+ if (!this.nonIconControl) {
+ // Set title attribute if only an icon is shown
+ el.setAttribute('title', localizedText);
+ }
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ ClickableComponent.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-control vjs-button ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Enable this `Component`s element.
+ */
+
+
+ ClickableComponent.prototype.enable = function enable() {
+ if (!this.enabled_) {
+ this.enabled_ = true;
+ this.removeClass('vjs-disabled');
+ this.el_.setAttribute('aria-disabled', 'false');
+ if (typeof this.tabIndex_ !== 'undefined') {
+ this.el_.setAttribute('tabIndex', this.tabIndex_);
+ }
+ this.on(['tap', 'click'], this.handleClick);
+ this.on('focus', this.handleFocus);
+ this.on('blur', this.handleBlur);
+ }
+ };
+
+ /**
+ * Disable this `Component`s element.
+ */
+
+
+ ClickableComponent.prototype.disable = function disable() {
+ this.enabled_ = false;
+ this.addClass('vjs-disabled');
+ this.el_.setAttribute('aria-disabled', 'true');
+ if (typeof this.tabIndex_ !== 'undefined') {
+ this.el_.removeAttribute('tabIndex');
+ }
+ this.off(['tap', 'click'], this.handleClick);
+ this.off('focus', this.handleFocus);
+ this.off('blur', this.handleBlur);
+ };
+
+ /**
+ * This gets called when a `ClickableComponent` gets:
+ * - Clicked (via the `click` event, listening starts in the constructor)
+ * - Tapped (via the `tap` event, listening starts in the constructor)
+ * - The following things happen in order:
+ * 1. {@link ClickableComponent#handleFocus} is called via a `focus` event on the
+ * `ClickableComponent`.
+ * 2. {@link ClickableComponent#handleFocus} adds a listener for `keydown` on using
+ * {@link ClickableComponent#handleKeyPress}.
+ * 3. `ClickableComponent` has not had a `blur` event (`blur` means that focus was lost). The user presses
+ * the space or enter key.
+ * 4. {@link ClickableComponent#handleKeyPress} calls this function with the `keydown`
+ * event as a parameter.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ * @abstract
+ */
+
+
+ ClickableComponent.prototype.handleClick = function handleClick(event) {
+ };
+
+ /**
+ * This gets called when a `ClickableComponent` gains focus via a `focus` event.
+ * Turns on listening for `keydown` events. When they happen it
+ * calls `this.handleKeyPress`.
+ *
+ * @param {EventTarget~Event} event
+ * The `focus` event that caused this function to be called.
+ *
+ * @listens focus
+ */
+
+
+ ClickableComponent.prototype.handleFocus = function handleFocus(event) {
+ on(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ /**
+ * Called when this ClickableComponent has focus and a key gets pressed down. By
+ * default it will call `this.handleClick` when the key is space or enter.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+
+
+ ClickableComponent.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Support Space (32) or Enter (13) key operation to fire a click event
+ if (event.which === 32 || event.which === 13) {
+ event.preventDefault();
+ this.trigger('click');
+ } else if (_Component.prototype.handleKeyPress) {
+
+ // Pass keypress handling up for unsupported keys
+ _Component.prototype.handleKeyPress.call(this, event);
+ }
+ };
+
+ /**
+ * Called when a `ClickableComponent` loses focus. Turns off the listener for
+ * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+ *
+ * @param {EventTarget~Event} event
+ * The `blur` event that caused this function to be called.
+ *
+ * @listens blur
+ */
+
+
+ ClickableComponent.prototype.handleBlur = function handleBlur(event) {
+ off(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ return ClickableComponent;
+ }(Component);
+
+ Component.registerComponent('ClickableComponent', ClickableComponent);
+
+ /**
+ * @file poster-image.js
+ */
+ /**
+ * A `ClickableComponent` that handles showing the poster image for the player.
+ *
+ * @extends ClickableComponent
+ */
+
+ var PosterImage = function (_ClickableComponent) {
+ inherits(PosterImage, _ClickableComponent);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should attach to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PosterImage(player, options) {
+ classCallCheck(this, PosterImage);
+
+ var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
+
+ _this.update();
+ player.on('posterchange', bind(_this, _this.update));
+ return _this;
+ }
+
+ /**
+ * Clean up and dispose of the `PosterImage`.
+ */
+
+
+ PosterImage.prototype.dispose = function dispose() {
+ this.player().off('posterchange', this.update);
+ _ClickableComponent.prototype.dispose.call(this);
+ };
+
+ /**
+ * Create the `PosterImage`s DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ PosterImage.prototype.createEl = function createEl$$1() {
+ var el = createEl('div', {
+ className: 'vjs-poster',
+
+ // Don't want poster to be tabbable.
+ tabIndex: -1
+ });
+
+ // To ensure the poster image resizes while maintaining its original aspect
+ // ratio, use a div with `background-size` when available. For browsers that
+ // do not support `background-size` (e.g. IE8), fall back on using a regular
+ // img element.
+ if (!BACKGROUND_SIZE_SUPPORTED) {
+ this.fallbackImg_ = createEl('img');
+ el.appendChild(this.fallbackImg_);
+ }
+
+ return el;
+ };
+
+ /**
+ * An {@link EventTarget~EventListener} for {@link Player#posterchange} events.
+ *
+ * @listens Player#posterchange
+ *
+ * @param {EventTarget~Event} [event]
+ * The `Player#posterchange` event that triggered this function.
+ */
+
+
+ PosterImage.prototype.update = function update(event) {
+ var url = this.player().poster();
+
+ this.setSrc(url);
+
+ // If there's no poster source we should display:none on this component
+ // so it's not still clickable or right-clickable
+ if (url) {
+ this.show();
+ } else {
+ this.hide();
+ }
+ };
+
+ /**
+ * Set the source of the `PosterImage` depending on the display method.
+ *
+ * @param {string} url
+ * The URL to the source for the `PosterImage`.
+ */
+
+
+ PosterImage.prototype.setSrc = function setSrc(url) {
+ if (this.fallbackImg_) {
+ this.fallbackImg_.src = url;
+ } else {
+ var backgroundImage = '';
+
+ // Any falsey values should stay as an empty string, otherwise
+ // this will throw an extra error
+ if (url) {
+ backgroundImage = 'url("' + url + '")';
+ }
+
+ this.el_.style.backgroundImage = backgroundImage;
+ }
+ };
+
+ /**
+ * An {@link EventTarget~EventListener} for clicks on the `PosterImage`. See
+ * {@link ClickableComponent#handleClick} for instances where this will be triggered.
+ *
+ * @listens tap
+ * @listens click
+ * @listens keydown
+ *
+ * @param {EventTarget~Event} event
+ + The `click`, `tap` or `keydown` event that caused this function to be called.
+ */
+
+
+ PosterImage.prototype.handleClick = function handleClick(event) {
+ // We don't want a click to trigger playback when controls are disabled
+ if (!this.player_.controls()) {
+ return;
+ }
+
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ };
+
+ return PosterImage;
+ }(ClickableComponent);
+
+ Component.registerComponent('PosterImage', PosterImage);
+
+ /**
+ * @file text-track-display.js
+ */
+ var darkGray = '#222';
+ var lightGray = '#ccc';
+ var fontMap = {
+ monospace: 'monospace',
+ sansSerif: 'sans-serif',
+ serif: 'serif',
+ monospaceSansSerif: '"Andale Mono", "Lucida Console", monospace',
+ monospaceSerif: '"Courier New", monospace',
+ proportionalSansSerif: 'sans-serif',
+ proportionalSerif: 'serif',
+ casual: '"Comic Sans MS", Impact, fantasy',
+ script: '"Monotype Corsiva", cursive',
+ smallcaps: '"Andale Mono", "Lucida Console", monospace, sans-serif'
+ };
+
+ /**
+ * Construct an rgba color from a given hex color code.
+ *
+ * @param {number} color
+ * Hex number for color, like #f0e.
+ *
+ * @param {number} opacity
+ * Value for opacity, 0.0 - 1.0.
+ *
+ * @return {string}
+ * The rgba color that was created, like 'rgba(255, 0, 0, 0.3)'.
+ *
+ * @private
+ */
+ function constructColor(color, opacity) {
+ return 'rgba(' +
+ // color looks like "#f0e"
+ parseInt(color[1] + color[1], 16) + ',' + parseInt(color[2] + color[2], 16) + ',' + parseInt(color[3] + color[3], 16) + ',' + opacity + ')';
+ }
+
+ /**
+ * Try to update the style of a DOM element. Some style changes will throw an error,
+ * particularly in IE8. Those should be noops.
+ *
+ * @param {Element} el
+ * The DOM element to be styled.
+ *
+ * @param {string} style
+ * The CSS property on the element that should be styled.
+ *
+ * @param {string} rule
+ * The style rule that should be applied to the property.
+ *
+ * @private
+ */
+ function tryUpdateStyle(el, style, rule) {
+ try {
+ el.style[style] = rule;
+ } catch (e) {
+
+ // Satisfies linter.
+ return;
+ }
+ }
+
+ /**
+ * The component for displaying text track cues.
+ *
+ * @extends Component
+ */
+
+ var TextTrackDisplay = function (_Component) {
+ inherits(TextTrackDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when `TextTrackDisplay` is ready.
+ */
+ function TextTrackDisplay(player, options, ready) {
+ classCallCheck(this, TextTrackDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options, ready));
+
+ player.on('loadstart', bind(_this, _this.toggleDisplay));
+ player.on('texttrackchange', bind(_this, _this.updateDisplay));
+ player.on('loadstart', bind(_this, _this.preselectTrack));
+
+ // This used to be called during player init, but was causing an error
+ // if a track should show by default and the display hadn't loaded yet.
+ // Should probably be moved to an external track loader when we support
+ // tracks that don't need a display.
+ player.ready(bind(_this, function () {
+ if (player.tech_ && player.tech_.featuresNativeTextTracks) {
+ this.hide();
+ return;
+ }
+
+ player.on('fullscreenchange', bind(this, this.updateDisplay));
+
+ var tracks = this.options_.playerOptions.tracks || [];
+
+ for (var i = 0; i < tracks.length; i++) {
+ this.player_.addRemoteTextTrack(tracks[i], true);
+ }
+
+ this.preselectTrack();
+ }));
+ return _this;
+ }
+
+ /**
+ * Preselect a track following this precedence:
+ * - matches the previously selected {@link TextTrack}'s language and kind
+ * - matches the previously selected {@link TextTrack}'s language only
+ * - is the first default captions track
+ * - is the first default descriptions track
+ *
+ * @listens Player#loadstart
+ */
+
+
+ TextTrackDisplay.prototype.preselectTrack = function preselectTrack() {
+ var modes = {captions: 1, subtitles: 1};
+ var trackList = this.player_.textTracks();
+ var userPref = this.player_.cache_.selectedLanguage;
+ var firstDesc = void 0;
+ var firstCaptions = void 0;
+ var preferredTrack = void 0;
+
+ for (var i = 0; i < trackList.length; i++) {
+ var track = trackList[i];
+
+ if (userPref && userPref.enabled && userPref.language === track.language) {
+ // Always choose the track that matches both language and kind
+ if (track.kind === userPref.kind) {
+ preferredTrack = track;
+ // or choose the first track that matches language
+ } else if (!preferredTrack) {
+ preferredTrack = track;
+ }
+
+ // clear everything if offTextTrackMenuItem was clicked
+ } else if (userPref && !userPref.enabled) {
+ preferredTrack = null;
+ firstDesc = null;
+ firstCaptions = null;
+ } else if (track['default']) {
+ if (track.kind === 'descriptions' && !firstDesc) {
+ firstDesc = track;
+ } else if (track.kind in modes && !firstCaptions) {
+ firstCaptions = track;
+ }
+ }
+ }
+
+ // The preferredTrack matches the user preference and takes
+ // precendence over all the other tracks.
+ // So, display the preferredTrack before the first default track
+ // and the subtitles/captions track before the descriptions track
+ if (preferredTrack) {
+ preferredTrack.mode = 'showing';
+ } else if (firstCaptions) {
+ firstCaptions.mode = 'showing';
+ } else if (firstDesc) {
+ firstDesc.mode = 'showing';
+ }
+ };
+
+ /**
+ * Turn display of {@link TextTrack}'s from the current state into the other state.
+ * There are only two states:
+ * - 'shown'
+ * - 'hidden'
+ *
+ * @listens Player#loadstart
+ */
+
+
+ TextTrackDisplay.prototype.toggleDisplay = function toggleDisplay() {
+ if (this.player_.tech_ && this.player_.tech_.featuresNativeTextTracks) {
+ this.hide();
+ } else {
+ this.show();
+ }
+ };
+
+ /**
+ * Create the {@link Component}'s DOM element.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ TextTrackDisplay.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-text-track-display'
+ }, {
+ 'aria-live': 'off',
+ 'aria-atomic': 'true'
+ });
+ };
+
+ /**
+ * Clear all displayed {@link TextTrack}s.
+ */
+
+
+ TextTrackDisplay.prototype.clearDisplay = function clearDisplay() {
+ if (typeof window_1.WebVTT === 'function') {
+ window_1.WebVTT.processCues(window_1, [], this.el_);
+ }
+ };
+
+ /**
+ * Update the displayed TextTrack when a either a {@link Player#texttrackchange} or
+ * a {@link Player#fullscreenchange} is fired.
+ *
+ * @listens Player#texttrackchange
+ * @listens Player#fullscreenchange
+ */
+
+
+ TextTrackDisplay.prototype.updateDisplay = function updateDisplay() {
+ var tracks = this.player_.textTracks();
+
+ this.clearDisplay();
+
+ // Track display prioritization model: if multiple tracks are 'showing',
+ // display the first 'subtitles' or 'captions' track which is 'showing',
+ // otherwise display the first 'descriptions' track which is 'showing'
+
+ var descriptionsTrack = null;
+ var captionsSubtitlesTrack = null;
+ var i = tracks.length;
+
+ while (i--) {
+ var track = tracks[i];
+
+ if (track.mode === 'showing') {
+ if (track.kind === 'descriptions') {
+ descriptionsTrack = track;
+ } else {
+ captionsSubtitlesTrack = track;
+ }
+ }
+ }
+
+ if (captionsSubtitlesTrack) {
+ if (this.getAttribute('aria-live') !== 'off') {
+ this.setAttribute('aria-live', 'off');
+ }
+ this.updateForTrack(captionsSubtitlesTrack);
+ } else if (descriptionsTrack) {
+ if (this.getAttribute('aria-live') !== 'assertive') {
+ this.setAttribute('aria-live', 'assertive');
+ }
+ this.updateForTrack(descriptionsTrack);
+ }
+ };
+
+ /**
+ * Add an {@link Texttrack} to to the {@link Tech}s {@link TextTrackList}.
+ *
+ * @param {TextTrack} track
+ * Text track object to be added to the list.
+ */
+
+
+ TextTrackDisplay.prototype.updateForTrack = function updateForTrack(track) {
+ if (typeof window_1.WebVTT !== 'function' || !track.activeCues) {
+ return;
+ }
+
+ var overrides = this.player_.textTrackSettings.getValues();
+ var cues = [];
+
+ for (var _i = 0; _i < track.activeCues.length; _i++) {
+ cues.push(track.activeCues[_i]);
+ }
+
+ window_1.WebVTT.processCues(window_1, cues, this.el_);
+
+ var i = cues.length;
+
+ while (i--) {
+ var cue = cues[i];
+
+ if (!cue) {
+ continue;
+ }
+
+ var cueDiv = cue.displayState;
+
+ if (overrides.color) {
+ cueDiv.firstChild.style.color = overrides.color;
+ }
+ if (overrides.textOpacity) {
+ tryUpdateStyle(cueDiv.firstChild, 'color', constructColor(overrides.color || '#fff', overrides.textOpacity));
+ }
+ if (overrides.backgroundColor) {
+ cueDiv.firstChild.style.backgroundColor = overrides.backgroundColor;
+ }
+ if (overrides.backgroundOpacity) {
+ tryUpdateStyle(cueDiv.firstChild, 'backgroundColor', constructColor(overrides.backgroundColor || '#000', overrides.backgroundOpacity));
+ }
+ if (overrides.windowColor) {
+ if (overrides.windowOpacity) {
+ tryUpdateStyle(cueDiv, 'backgroundColor', constructColor(overrides.windowColor, overrides.windowOpacity));
+ } else {
+ cueDiv.style.backgroundColor = overrides.windowColor;
+ }
+ }
+ if (overrides.edgeStyle) {
+ if (overrides.edgeStyle === 'dropshadow') {
+ cueDiv.firstChild.style.textShadow = '2px 2px 3px ' + darkGray + ', 2px 2px 4px ' + darkGray + ', 2px 2px 5px ' + darkGray;
+ } else if (overrides.edgeStyle === 'raised') {
+ cueDiv.firstChild.style.textShadow = '1px 1px ' + darkGray + ', 2px 2px ' + darkGray + ', 3px 3px ' + darkGray;
+ } else if (overrides.edgeStyle === 'depressed') {
+ cueDiv.firstChild.style.textShadow = '1px 1px ' + lightGray + ', 0 1px ' + lightGray + ', -1px -1px ' + darkGray + ', 0 -1px ' + darkGray;
+ } else if (overrides.edgeStyle === 'uniform') {
+ cueDiv.firstChild.style.textShadow = '0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray + ', 0 0 4px ' + darkGray;
+ }
+ }
+ if (overrides.fontPercent && overrides.fontPercent !== 1) {
+ var fontSize = window_1.parseFloat(cueDiv.style.fontSize);
+
+ cueDiv.style.fontSize = fontSize * overrides.fontPercent + 'px';
+ cueDiv.style.height = 'auto';
+ cueDiv.style.top = 'auto';
+ cueDiv.style.bottom = '2px';
+ }
+ if (overrides.fontFamily && overrides.fontFamily !== 'default') {
+ if (overrides.fontFamily === 'small-caps') {
+ cueDiv.firstChild.style.fontVariant = 'small-caps';
+ } else {
+ cueDiv.firstChild.style.fontFamily = fontMap[overrides.fontFamily];
+ }
+ }
+ }
+ };
+
+ return TextTrackDisplay;
+ }(Component);
+
+ Component.registerComponent('TextTrackDisplay', TextTrackDisplay);
+
+ /**
+ * @file loading-spinner.js
+ */
+ /**
+ * A loading spinner for use during waiting/loading events.
+ *
+ * @extends Component
+ */
+
+ var LoadingSpinner = function (_Component) {
+ inherits(LoadingSpinner, _Component);
+
+ function LoadingSpinner() {
+ classCallCheck(this, LoadingSpinner);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the `LoadingSpinner`s DOM element.
+ *
+ * @return {Element}
+ * The dom element that gets created.
+ */
+ LoadingSpinner.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-loading-spinner',
+ dir: 'ltr'
+ });
+ };
+
+ return LoadingSpinner;
+ }(Component);
+
+ Component.registerComponent('LoadingSpinner', LoadingSpinner);
+
+ /**
+ * @file button.js
+ */
+ /**
+ * Base class for all buttons.
+ *
+ * @extends ClickableComponent
+ */
+
+ var Button = function (_ClickableComponent) {
+ inherits(Button, _ClickableComponent);
+
+ function Button() {
+ classCallCheck(this, Button);
+ return possibleConstructorReturn(this, _ClickableComponent.apply(this, arguments));
+ }
+
+ /**
+ * Create the `Button`s DOM element.
+ *
+ * @param {string} [tag="button"]
+ * The element's node type. This argument is IGNORED: no matter what
+ * is passed, it will always create a `button` element.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element.
+ *
+ * @param {Object} [attributes={}]
+ * An object of attributes that should be set on the element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+ Button.prototype.createEl = function createEl(tag) {
+ var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ tag = 'button';
+
+ props = assign({
+ innerHTML: '<span aria-hidden="true" class="vjs-icon-placeholder"></span>',
+ className: this.buildCSSClass()
+ }, props);
+
+ // Add attributes for button element
+ attributes = assign({
+
+ // Necessary since the default button type is "submit"
+ 'type': 'button',
+
+ // let the screen reader user know that the text of the button may change
+ 'aria-live': 'polite'
+ }, attributes);
+
+ var el = Component.prototype.createEl.call(this, tag, props, attributes);
+
+ this.createControlTextEl(el);
+
+ return el;
+ };
+
+ /**
+ * Add a child `Component` inside of this `Button`.
+ *
+ * @param {string|Component} child
+ * The name or instance of a child to add.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of options that will get passed to children of
+ * the child.
+ *
+ * @return {Component}
+ * The `Component` that gets added as a child. When using a string the
+ * `Component` will get created by this process.
+ *
+ * @deprecated since version 5
+ */
+
+
+ Button.prototype.addChild = function addChild(child) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var className = this.constructor.name;
+
+ log$1.warn('Adding an actionable (user controllable) child to a Button (' + className + ') is not supported; use a ClickableComponent instead.');
+
+ // Avoid the error message generated by ClickableComponent's addChild method
+ return Component.prototype.addChild.call(this, child, options);
+ };
+
+ /**
+ * Enable the `Button` element so that it can be activated or clicked. Use this with
+ * {@link Button#disable}.
+ */
+
+
+ Button.prototype.enable = function enable() {
+ _ClickableComponent.prototype.enable.call(this);
+ this.el_.removeAttribute('disabled');
+ };
+
+ /**
+ * Enable the `Button` element so that it cannot be activated or clicked. Use this with
+ * {@link Button#enable}.
+ */
+
+
+ Button.prototype.disable = function disable() {
+ _ClickableComponent.prototype.disable.call(this);
+ this.el_.setAttribute('disabled', 'disabled');
+ };
+
+ /**
+ * This gets called when a `Button` has focus and `keydown` is triggered via a key
+ * press.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to get called.
+ *
+ * @listens keydown
+ */
+
+
+ Button.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Ignore Space (32) or Enter (13) key operation, which is handled by the browser for a button.
+ if (event.which === 32 || event.which === 13) {
+ return;
+ }
+
+ // Pass keypress handling up for unsupported keys
+ _ClickableComponent.prototype.handleKeyPress.call(this, event);
+ };
+
+ return Button;
+ }(ClickableComponent);
+
+ Component.registerComponent('Button', Button);
+
+ /**
+ * @file big-play-button.js
+ */
+ /**
+ * The initial play button that shows before the video has played. The hiding of the
+ * `BigPlayButton` get done via CSS and `Player` states.
+ *
+ * @extends Button
+ */
+
+ var BigPlayButton = function (_Button) {
+ inherits(BigPlayButton, _Button);
+
+ function BigPlayButton(player, options) {
+ classCallCheck(this, BigPlayButton);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.mouseused_ = false;
+
+ _this.on('mousedown', _this.handleMouseDown);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object. Always returns 'vjs-big-play-button'.
+ */
+
+
+ BigPlayButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-big-play-button';
+ };
+
+ /**
+ * This gets called when a `BigPlayButton` "clicked". See {@link ClickableComponent}
+ * for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ BigPlayButton.prototype.handleClick = function handleClick(event) {
+ var playPromise = this.player_.play();
+
+ // exit early if clicked via the mouse
+ if (this.mouseused_ && event.clientX && event.clientY) {
+ return;
+ }
+
+ var cb = this.player_.getChild('controlBar');
+ var playToggle = cb && cb.getChild('playToggle');
+
+ if (!playToggle) {
+ this.player_.focus();
+ return;
+ }
+
+ var playFocus = function playFocus() {
+ return playToggle.focus();
+ };
+
+ if (playPromise && playPromise.then) {
+ var ignoreRejectedPlayPromise = function ignoreRejectedPlayPromise() {
+ };
+
+ playPromise.then(playFocus, ignoreRejectedPlayPromise);
+ } else {
+ this.setTimeout(playFocus, 1);
+ }
+ };
+
+ BigPlayButton.prototype.handleKeyPress = function handleKeyPress(event) {
+ this.mouseused_ = false;
+
+ _Button.prototype.handleKeyPress.call(this, event);
+ };
+
+ BigPlayButton.prototype.handleMouseDown = function handleMouseDown(event) {
+ this.mouseused_ = true;
+ };
+
+ return BigPlayButton;
+ }(Button);
+
+ /**
+ * The text that should display over the `BigPlayButton`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ BigPlayButton.prototype.controlText_ = 'Play Video';
+
+ Component.registerComponent('BigPlayButton', BigPlayButton);
+
+ /**
+ * @file close-button.js
+ */
+ /**
+ * The `CloseButton` is a `{@link Button}` that fires a `close` event when
+ * it gets clicked.
+ *
+ * @extends Button
+ */
+
+ var CloseButton = function (_Button) {
+ inherits(CloseButton, _Button);
+
+ /**
+ * Creates an instance of the this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CloseButton(player, options) {
+ classCallCheck(this, CloseButton);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.controlText(options && options.controlText || _this.localize('Close'));
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ CloseButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-close-button ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * This gets called when a `CloseButton` gets clicked. See
+ * {@link ClickableComponent#handleClick} for more information on when this will be
+ * triggered
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ * @fires CloseButton#close
+ */
+
+
+ CloseButton.prototype.handleClick = function handleClick(event) {
+
+ /**
+ * Triggered when the a `CloseButton` is clicked.
+ *
+ * @event CloseButton#close
+ * @type {EventTarget~Event}
+ *
+ * @property {boolean} [bubbles=false]
+ * set to false so that the close event does not
+ * bubble up to parents if there is no listener
+ */
+ this.trigger({type: 'close', bubbles: false});
+ };
+
+ return CloseButton;
+ }(Button);
+
+ Component.registerComponent('CloseButton', CloseButton);
+
+ /**
+ * @file play-toggle.js
+ */
+ /**
+ * Button to toggle between play and pause.
+ *
+ * @extends Button
+ */
+
+ var PlayToggle = function (_Button) {
+ inherits(PlayToggle, _Button);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlayToggle(player, options) {
+ classCallCheck(this, PlayToggle);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.on(player, 'play', _this.handlePlay);
+ _this.on(player, 'pause', _this.handlePause);
+ _this.on(player, 'ended', _this.handleEnded);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ PlayToggle.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-play-control ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * This gets called when an `PlayToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ PlayToggle.prototype.handleClick = function handleClick(event) {
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ };
+
+ /**
+ * This gets called once after the video has ended and the user seeks so that
+ * we can change the replay button back to a play button.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#seeked
+ */
+
+
+ PlayToggle.prototype.handleSeeked = function handleSeeked(event) {
+ this.removeClass('vjs-ended');
+
+ if (this.player_.paused()) {
+ this.handlePause(event);
+ } else {
+ this.handlePlay(event);
+ }
+ };
+
+ /**
+ * Add the vjs-playing class to the element so it can change appearance.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#play
+ */
+
+
+ PlayToggle.prototype.handlePlay = function handlePlay(event) {
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-paused');
+ this.addClass('vjs-playing');
+ // change the button text to "Pause"
+ this.controlText('Pause');
+ };
+
+ /**
+ * Add the vjs-paused class to the element so it can change appearance.
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#pause
+ */
+
+
+ PlayToggle.prototype.handlePause = function handlePause(event) {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-paused');
+ // change the button text to "Play"
+ this.controlText('Play');
+ };
+
+ /**
+ * Add the vjs-ended class to the element so it can change appearance
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ PlayToggle.prototype.handleEnded = function handleEnded(event) {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-ended');
+ // change the button text to "Replay"
+ this.controlText('Replay');
+
+ // on the next seek remove the replay button
+ this.one(this.player_, 'seeked', this.handleSeeked);
+ };
+
+ return PlayToggle;
+ }(Button);
+
+ /**
+ * The text that should display over the `PlayToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ PlayToggle.prototype.controlText_ = 'Play';
+
+ Component.registerComponent('PlayToggle', PlayToggle);
+
+ /**
+ * @file format-time.js
+ * @module Format-time
+ */
+
+ /**
+ * Format seconds as a time string, H:MM:SS or M:SS. Supplying a guide (in seconds)
+ * will force a number of leading zeros to cover the length of the guide.
+ *
+ * @param {number} seconds
+ * Number of seconds to be turned into a string
+ *
+ * @param {number} guide
+ * Number (in seconds) to model the string after
+ *
+ * @return {string}
+ * Time formatted as H:MM:SS or M:SS
+ */
+ function formatTime(seconds) {
+ var guide = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : seconds;
+
+ seconds = seconds < 0 ? 0 : seconds;
+ var s = Math.floor(seconds % 60);
+ var m = Math.floor(seconds / 60 % 60);
+ var h = Math.floor(seconds / 3600);
+ var gm = Math.floor(guide / 60 % 60);
+ var gh = Math.floor(guide / 3600);
+
+ // handle invalid times
+ if (isNaN(seconds) || seconds === Infinity) {
+ // '-' is false for all relational operators (e.g. <, >=) so this setting
+ // will add the minimum number of fields specified by the guide
+ h = m = s = '-';
+ }
+
+ // Check if we need to show hours
+ h = h > 0 || gh > 0 ? h + ':' : '';
+
+ // If hours are showing, we may need to add a leading zero.
+ // Always show at least one digit of minutes.
+ m = ((h || gm >= 10) && m < 10 ? '0' + m : m) + ':';
+
+ // Check if leading zero is need for seconds
+ s = s < 10 ? '0' + s : s;
+
+ return h + m + s;
+ }
+
+ /**
+ * @file time-display.js
+ */
+ /**
+ * Displays the time left in the video
+ *
+ * @extends Component
+ */
+
+ var TimeDisplay = function (_Component) {
+ inherits(TimeDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TimeDisplay(player, options) {
+ classCallCheck(this, TimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.throttledUpdateContent = throttle(bind(_this, _this.updateContent), 25);
+ _this.on(player, 'timeupdate', _this.throttledUpdateContent);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ TimeDisplay.prototype.createEl = function createEl$$1(plainName) {
+ var className = this.buildCSSClass();
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: className + ' vjs-time-control vjs-control'
+ });
+
+ this.contentEl_ = createEl('div', {
+ className: className + '-display'
+ }, {
+ // tell screen readers not to automatically read the time as it changes
+ 'aria-live': 'off'
+ }, createEl('span', {
+ className: 'vjs-control-text',
+ textContent: this.localize(this.controlText_)
+ }));
+
+ this.updateTextNode_();
+ el.appendChild(this.contentEl_);
+ return el;
+ };
+
+ /**
+ * Updates the "remaining time" text node with new content using the
+ * contents of the `formattedTime_` property.
+ *
+ * @private
+ */
+
+
+ TimeDisplay.prototype.updateTextNode_ = function updateTextNode_() {
+ if (!this.contentEl_) {
+ return;
+ }
+
+ while (this.contentEl_.firstChild) {
+ this.contentEl_.removeChild(this.contentEl_.firstChild);
+ }
+
+ this.textNode_ = document_1.createTextNode(this.formattedTime_ || '0:00');
+ this.contentEl_.appendChild(this.textNode_);
+ };
+
+ /**
+ * Generates a formatted time for this component to use in display.
+ *
+ * @param {number} time
+ * A numeric time, in seconds.
+ *
+ * @return {string}
+ * A formatted time
+ *
+ * @private
+ */
+
+
+ TimeDisplay.prototype.formatTime_ = function formatTime_(time) {
+ return formatTime(time);
+ };
+
+ /**
+ * Updates the time display text node if it has what was passed in changed
+ * the formatted time.
+ *
+ * @param {number} time
+ * The time to update to
+ *
+ * @private
+ */
+
+
+ TimeDisplay.prototype.updateFormattedTime_ = function updateFormattedTime_(time) {
+ var formattedTime = this.formatTime_(time);
+
+ if (formattedTime === this.formattedTime_) {
+ return;
+ }
+
+ this.formattedTime_ = formattedTime;
+ this.requestAnimationFrame(this.updateTextNode_);
+ };
+
+ /**
+ * To be filled out in the child class, should update the displayed time
+ * in accordance with the fact that the current time has changed.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ */
+
+
+ TimeDisplay.prototype.updateContent = function updateContent(event) {
+ };
+
+ return TimeDisplay;
+ }(Component);
+
+ /**
+ * The text that should display over the `TimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ TimeDisplay.prototype.controlText_ = 'Time';
+
+ Component.registerComponent('TimeDisplay', TimeDisplay);
+
+ /**
+ * @file current-time-display.js
+ */
+ /**
+ * Displays the current time
+ *
+ * @extends Component
+ */
+
+ var CurrentTimeDisplay = function (_TimeDisplay) {
+ inherits(CurrentTimeDisplay, _TimeDisplay);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CurrentTimeDisplay(player, options) {
+ classCallCheck(this, CurrentTimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+ _this.on(player, 'ended', _this.handleEnded);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ CurrentTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-current-time';
+ };
+
+ /**
+ * Update current time display
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` event that caused this function to run.
+ *
+ * @listens Player#timeupdate
+ */
+
+
+ CurrentTimeDisplay.prototype.updateContent = function updateContent(event) {
+ // Allows for smooth scrubbing, when player can't keep up.
+ var time = this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+
+ this.updateFormattedTime_(time);
+ };
+
+ /**
+ * When the player fires ended there should be no time left. Sadly
+ * this is not always the case, lets make it seem like that is the case
+ * for users.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `ended` event that caused this to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ CurrentTimeDisplay.prototype.handleEnded = function handleEnded(event) {
+ if (!this.player_.duration()) {
+ return;
+ }
+ this.updateFormattedTime_(this.player_.duration());
+ };
+
+ return CurrentTimeDisplay;
+ }(TimeDisplay);
+
+ /**
+ * The text that should display over the `CurrentTimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ CurrentTimeDisplay.prototype.controlText_ = 'Current Time';
+
+ Component.registerComponent('CurrentTimeDisplay', CurrentTimeDisplay);
+
+ /**
+ * @file duration-display.js
+ */
+ /**
+ * Displays the duration
+ *
+ * @extends Component
+ */
+
+ var DurationDisplay = function (_TimeDisplay) {
+ inherits(DurationDisplay, _TimeDisplay);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function DurationDisplay(player, options) {
+ classCallCheck(this, DurationDisplay);
+
+ // we do not want to/need to throttle duration changes,
+ // as they should always display the changed duration as
+ // it has changed
+ var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+ _this.on(player, 'durationchange', _this.updateContent);
+
+ // Also listen for timeupdate (in the parent) and loadedmetadata because removing those
+ // listeners could have broken dependent applications/libraries. These
+ // can likely be removed for 7.0.
+ _this.on(player, 'loadedmetadata', _this.throttledUpdateContent);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ DurationDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-duration';
+ };
+
+ /**
+ * Update duration time display.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
+ * this function to be called.
+ *
+ * @listens Player#durationchange
+ * @listens Player#timeupdate
+ * @listens Player#loadedmetadata
+ */
+
+
+ DurationDisplay.prototype.updateContent = function updateContent(event) {
+ var duration = this.player_.duration();
+
+ if (duration && this.duration_ !== duration) {
+ this.duration_ = duration;
+ this.updateFormattedTime_(duration);
+ }
+ };
+
+ return DurationDisplay;
+ }(TimeDisplay);
+
+ /**
+ * The text that should display over the `DurationDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ DurationDisplay.prototype.controlText_ = 'Duration Time';
+
+ Component.registerComponent('DurationDisplay', DurationDisplay);
+
+ /**
+ * @file time-divider.js
+ */
+ /**
+ * The separator between the current time and duration.
+ * Can be hidden if it's not needed in the design.
+ *
+ * @extends Component
+ */
+
+ var TimeDivider = function (_Component) {
+ inherits(TimeDivider, _Component);
+
+ function TimeDivider() {
+ classCallCheck(this, TimeDivider);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the component's DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ TimeDivider.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-time-control vjs-time-divider',
+ innerHTML: '<div><span>/</span></div>'
+ });
+ };
+
+ return TimeDivider;
+ }(Component);
+
+ Component.registerComponent('TimeDivider', TimeDivider);
+
+ /**
+ * @file remaining-time-display.js
+ */
+ /**
+ * Displays the time left in the video
+ *
+ * @extends Component
+ */
+
+ var RemainingTimeDisplay = function (_TimeDisplay) {
+ inherits(RemainingTimeDisplay, _TimeDisplay);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function RemainingTimeDisplay(player, options) {
+ classCallCheck(this, RemainingTimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _TimeDisplay.call(this, player, options));
+
+ _this.on(player, 'durationchange', _this.throttledUpdateContent);
+ _this.on(player, 'ended', _this.handleEnded);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ RemainingTimeDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-remaining-time';
+ };
+
+ /**
+ * The remaining time display prefixes numbers with a "minus" character.
+ *
+ * @param {number} time
+ * A numeric time, in seconds.
+ *
+ * @return {string}
+ * A formatted time
+ *
+ * @private
+ */
+
+
+ RemainingTimeDisplay.prototype.formatTime_ = function formatTime_(time) {
+ return '-' + _TimeDisplay.prototype.formatTime_.call(this, time);
+ };
+
+ /**
+ * Update remaining time display.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `durationchange` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ * @listens Player#durationchange
+ */
+
+
+ RemainingTimeDisplay.prototype.updateContent = function updateContent(event) {
+ if (!this.player_.duration()) {
+ return;
+ }
+
+ // @deprecated We should only use remainingTimeDisplay
+ // as of video.js 7
+ if (this.player_.remainingTimeDisplay) {
+ this.updateFormattedTime_(this.player_.remainingTimeDisplay());
+ } else {
+ this.updateFormattedTime_(this.player_.remainingTime());
+ }
+ };
+
+ /**
+ * When the player fires ended there should be no time left. Sadly
+ * this is not always the case, lets make it seem like that is the case
+ * for users.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `ended` event that caused this to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ RemainingTimeDisplay.prototype.handleEnded = function handleEnded(event) {
+ if (!this.player_.duration()) {
+ return;
+ }
+ this.updateFormattedTime_(0);
+ };
+
+ return RemainingTimeDisplay;
+ }(TimeDisplay);
+
+ /**
+ * The text that should display over the `RemainingTimeDisplay`s controls. Added to for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ RemainingTimeDisplay.prototype.controlText_ = 'Remaining Time';
+
+ Component.registerComponent('RemainingTimeDisplay', RemainingTimeDisplay);
+
+ /**
+ * @file live-display.js
+ */
+// TODO - Future make it click to snap to live
+
+ /**
+ * Displays the live indicator when duration is Infinity.
+ *
+ * @extends Component
+ */
+
+ var LiveDisplay = function (_Component) {
+ inherits(LiveDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function LiveDisplay(player, options) {
+ classCallCheck(this, LiveDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.updateShowing();
+ _this.on(_this.player(), 'durationchange', _this.updateShowing);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ LiveDisplay.prototype.createEl = function createEl$$1() {
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-live-control vjs-control'
+ });
+
+ this.contentEl_ = createEl('div', {
+ className: 'vjs-live-display',
+ innerHTML: '<span class="vjs-control-text">' + this.localize('Stream Type') + '</span>' + this.localize('LIVE')
+ }, {
+ 'aria-live': 'off'
+ });
+
+ el.appendChild(this.contentEl_);
+ return el;
+ };
+
+ /**
+ * Check the duration to see if the LiveDisplay should be showing or not. Then show/hide
+ * it accordingly
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#durationchange} event that caused this function to run.
+ *
+ * @listens Player#durationchange
+ */
+
+
+ LiveDisplay.prototype.updateShowing = function updateShowing(event) {
+ if (this.player().duration() === Infinity) {
+ this.show();
+ } else {
+ this.hide();
+ }
+ };
+
+ return LiveDisplay;
+ }(Component);
+
+ Component.registerComponent('LiveDisplay', LiveDisplay);
+
+ /**
+ * @file slider.js
+ */
+ /**
+ * The base functionality for a slider. Can be vertical or horizontal.
+ * For instance the volume bar or the seek bar on a video is a slider.
+ *
+ * @extends Component
+ */
+
+ var Slider = function (_Component) {
+ inherits(Slider, _Component);
+
+ /**
+ * Create an instance of this class
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function Slider(player, options) {
+ classCallCheck(this, Slider);
+
+ // Set property names to bar to match with the child Slider class is looking for
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.bar = _this.getChild(_this.options_.barName);
+
+ // Set a horizontal or vertical class on the slider depending on the slider type
+ _this.vertical(!!_this.options_.vertical);
+
+ _this.enable();
+ return _this;
+ }
+
+ /**
+ * Are controls are currently enabled for this slider or not.
+ *
+ * @return {boolean}
+ * true if controls are enabled, false otherwise
+ */
+
+
+ Slider.prototype.enabled = function enabled() {
+ return this.enabled_;
+ };
+
+ /**
+ * Enable controls for this slider if they are disabled
+ */
+
+
+ Slider.prototype.enable = function enable() {
+ if (this.enabled()) {
+ return;
+ }
+
+ this.on('mousedown', this.handleMouseDown);
+ this.on('touchstart', this.handleMouseDown);
+ this.on('focus', this.handleFocus);
+ this.on('blur', this.handleBlur);
+ this.on('click', this.handleClick);
+
+ this.on(this.player_, 'controlsvisible', this.update);
+
+ if (this.playerEvent) {
+ this.on(this.player_, this.playerEvent, this.update);
+ }
+
+ this.removeClass('disabled');
+ this.setAttribute('tabindex', 0);
+
+ this.enabled_ = true;
+ };
+
+ /**
+ * Disable controls for this slider if they are enabled
+ */
+
+
+ Slider.prototype.disable = function disable() {
+ if (!this.enabled()) {
+ return;
+ }
+ var doc = this.bar.el_.ownerDocument;
+
+ this.off('mousedown', this.handleMouseDown);
+ this.off('touchstart', this.handleMouseDown);
+ this.off('focus', this.handleFocus);
+ this.off('blur', this.handleBlur);
+ this.off('click', this.handleClick);
+ this.off(this.player_, 'controlsvisible', this.update);
+ this.off(doc, 'mousemove', this.handleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchmove', this.handleMouseMove);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ this.removeAttribute('tabindex');
+
+ this.addClass('disabled');
+
+ if (this.playerEvent) {
+ this.off(this.player_, this.playerEvent, this.update);
+ }
+ this.enabled_ = false;
+ };
+
+ /**
+ * Create the `Button`s DOM element.
+ *
+ * @param {string} type
+ * Type of element to create.
+ *
+ * @param {Object} [props={}]
+ * List of properties in Object form.
+ *
+ * @param {Object} [attributes={}]
+ * list of attributes in Object form.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ Slider.prototype.createEl = function createEl$$1(type) {
+ var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var attributes = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+
+ // Add the slider element class to all sub classes
+ props.className = props.className + ' vjs-slider';
+ props = assign({
+ tabIndex: 0
+ }, props);
+
+ attributes = assign({
+ 'role': 'slider',
+ 'aria-valuenow': 0,
+ 'aria-valuemin': 0,
+ 'aria-valuemax': 100,
+ 'tabIndex': 0
+ }, attributes);
+
+ return _Component.prototype.createEl.call(this, type, props, attributes);
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ * @fires Slider#slideractive
+ */
+
+
+ Slider.prototype.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.bar.el_.ownerDocument;
+
+ event.preventDefault();
+ blockTextSelection();
+
+ this.addClass('vjs-sliding');
+ /**
+ * Triggered when the slider is in an active state
+ *
+ * @event Slider#slideractive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('slideractive');
+
+ this.on(doc, 'mousemove', this.handleMouseMove);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchmove', this.handleMouseMove);
+ this.on(doc, 'touchend', this.handleMouseUp);
+
+ this.handleMouseMove(event);
+ };
+
+ /**
+ * Handle the `mousemove`, `touchmove`, and `mousedown` events on this `Slider`.
+ * The `mousemove` and `touchmove` events will only only trigger this function during
+ * `mousedown` and `touchstart`. This is due to {@link Slider#handleMouseDown} and
+ * {@link Slider#handleMouseUp}.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown`, `mousemove`, `touchstart`, or `touchmove` event that triggered
+ * this function
+ *
+ * @listens mousemove
+ * @listens touchmove
+ */
+
+
+ Slider.prototype.handleMouseMove = function handleMouseMove(event) {
+ };
+
+ /**
+ * Handle `mouseup` or `touchend` events on the `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ * @fires Slider#sliderinactive
+ */
+
+
+ Slider.prototype.handleMouseUp = function handleMouseUp() {
+ var doc = this.bar.el_.ownerDocument;
+
+ unblockTextSelection();
+
+ this.removeClass('vjs-sliding');
+ /**
+ * Triggered when the slider is no longer in an active state.
+ *
+ * @event Slider#sliderinactive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('sliderinactive');
+
+ this.off(doc, 'mousemove', this.handleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchmove', this.handleMouseMove);
+ this.off(doc, 'touchend', this.handleMouseUp);
+
+ this.update();
+ };
+
+ /**
+ * Update the progress bar of the `Slider`.
+ *
+ * @returns {number}
+ * The percentage of progress the progress bar represents as a
+ * number from 0 to 1.
+ */
+
+
+ Slider.prototype.update = function update() {
+
+ // In VolumeBar init we have a setTimeout for update that pops and update
+ // to the end of the execution stack. The player is destroyed before then
+ // update will cause an error
+ if (!this.el_) {
+ return;
+ }
+
+ // If scrubbing, we could use a cached value to make the handle keep up
+ // with the user's mouse. On HTML5 browsers scrubbing is really smooth, but
+ // some flash players are slow, so we might want to utilize this later.
+ // var progress = (this.player_.scrubbing()) ? this.player_.getCache().currentTime / this.player_.duration() : this.player_.currentTime() / this.player_.duration();
+ var progress = this.getPercent();
+ var bar = this.bar;
+
+ // If there's no bar...
+ if (!bar) {
+ return;
+ }
+
+ // Protect against no duration and other division issues
+ if (typeof progress !== 'number' || progress !== progress || progress < 0 || progress === Infinity) {
+ progress = 0;
+ }
+
+ // Convert to a percentage for setting
+ var percentage = (progress * 100).toFixed(2) + '%';
+ var style = bar.el().style;
+
+ // Set the new bar width or height
+ if (this.vertical()) {
+ style.height = percentage;
+ } else {
+ style.width = percentage;
+ }
+
+ return progress;
+ };
+
+ /**
+ * Calculate distance for slider
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run.
+ *
+ * @return {number}
+ * The current position of the Slider.
+ * - postition.x for vertical `Slider`s
+ * - postition.y for horizontal `Slider`s
+ */
+
+
+ Slider.prototype.calculateDistance = function calculateDistance(event) {
+ var position = getPointerPosition(this.el_, event);
+
+ if (this.vertical()) {
+ return position.y;
+ }
+ return position.x;
+ };
+
+ /**
+ * Handle a `focus` event on this `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * The `focus` event that caused this function to run.
+ *
+ * @listens focus
+ */
+
+
+ Slider.prototype.handleFocus = function handleFocus() {
+ this.on(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
+ };
+
+ /**
+ * Handle a `keydown` event on the `Slider`. Watches for left, rigth, up, and down
+ * arrow keys. This function will only be called when the slider has focus. See
+ * {@link Slider#handleFocus} and {@link Slider#handleBlur}.
+ *
+ * @param {EventTarget~Event} event
+ * the `keydown` event that caused this function to run.
+ *
+ * @listens keydown
+ */
+
+
+ Slider.prototype.handleKeyPress = function handleKeyPress(event) {
+ // Left and Down Arrows
+ if (event.which === 37 || event.which === 40) {
+ event.preventDefault();
+ this.stepBack();
+
+ // Up and Right Arrows
+ } else if (event.which === 38 || event.which === 39) {
+ event.preventDefault();
+ this.stepForward();
+ }
+ };
+
+ /**
+ * Handle a `blur` event on this `Slider`.
+ *
+ * @param {EventTarget~Event} event
+ * The `blur` event that caused this function to run.
+ *
+ * @listens blur
+ */
+
+ Slider.prototype.handleBlur = function handleBlur() {
+ this.off(this.bar.el_.ownerDocument, 'keydown', this.handleKeyPress);
+ };
+
+ /**
+ * Listener for click events on slider, used to prevent clicks
+ * from bubbling up to parent elements like button menus.
+ *
+ * @param {Object} event
+ * Event that caused this object to run
+ */
+
+
+ Slider.prototype.handleClick = function handleClick(event) {
+ event.stopImmediatePropagation();
+ event.preventDefault();
+ };
+
+ /**
+ * Get/set if slider is horizontal for vertical
+ *
+ * @param {boolean} [bool]
+ * - true if slider is vertical,
+ * - false is horizontal
+ *
+ * @return {boolean}
+ * - true if slider is vertical, and getting
+ * - false if the slider is horizontal, and getting
+ */
+
+
+ Slider.prototype.vertical = function vertical(bool) {
+ if (bool === undefined) {
+ return this.vertical_ || false;
+ }
+
+ this.vertical_ = !!bool;
+
+ if (this.vertical_) {
+ this.addClass('vjs-slider-vertical');
+ } else {
+ this.addClass('vjs-slider-horizontal');
+ }
+ };
+
+ return Slider;
+ }(Component);
+
+ Component.registerComponent('Slider', Slider);
+
+ /**
+ * @file load-progress-bar.js
+ */
+ /**
+ * Shows loading progress
+ *
+ * @extends Component
+ */
+
+ var LoadProgressBar = function (_Component) {
+ inherits(LoadProgressBar, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function LoadProgressBar(player, options) {
+ classCallCheck(this, LoadProgressBar);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.partEls_ = [];
+ _this.on(player, 'progress', _this.update);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ LoadProgressBar.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-load-progress',
+ innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Loaded') + '</span>: 0%</span>'
+ });
+ };
+
+ /**
+ * Update progress bar
+ *
+ * @param {EventTarget~Event} [event]
+ * The `progress` event that caused this function to run.
+ *
+ * @listens Player#progress
+ */
+
+
+ LoadProgressBar.prototype.update = function update(event) {
+ var buffered = this.player_.buffered();
+ var duration = this.player_.duration();
+ var bufferedEnd = this.player_.bufferedEnd();
+ var children = this.partEls_;
+
+ // get the percent width of a time compared to the total end
+ var percentify = function percentify(time, end) {
+ // no NaN
+ var percent = time / end || 0;
+
+ return (percent >= 1 ? 1 : percent) * 100 + '%';
+ };
+
+ // update the width of the progress bar
+ this.el_.style.width = percentify(bufferedEnd, duration);
+
+ // add child elements to represent the individual buffered time ranges
+ for (var i = 0; i < buffered.length; i++) {
+ var start = buffered.start(i);
+ var end = buffered.end(i);
+ var part = children[i];
+
+ if (!part) {
+ part = this.el_.appendChild(createEl());
+ children[i] = part;
+ }
+
+ // set the percent based on the width of the progress bar (bufferedEnd)
+ part.style.left = percentify(start, bufferedEnd);
+ part.style.width = percentify(end - start, bufferedEnd);
+ }
+
+ // remove unused buffered range elements
+ for (var _i = children.length; _i > buffered.length; _i--) {
+ this.el_.removeChild(children[_i - 1]);
+ }
+ children.length = buffered.length;
+ };
+
+ return LoadProgressBar;
+ }(Component);
+
+ Component.registerComponent('LoadProgressBar', LoadProgressBar);
+
+ /**
+ * @file time-tooltip.js
+ */
+ /**
+ * Time tooltips display a time above the progress bar.
+ *
+ * @extends Component
+ */
+
+ var TimeTooltip = function (_Component) {
+ inherits(TimeTooltip, _Component);
+
+ function TimeTooltip() {
+ classCallCheck(this, TimeTooltip);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the time tooltip DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ TimeTooltip.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-time-tooltip'
+ });
+ };
+
+ /**
+ * Updates the position of the time tooltip relative to the `SeekBar`.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+
+
+ TimeTooltip.prototype.update = function update(seekBarRect, seekBarPoint, content) {
+ var tooltipRect = getBoundingClientRect(this.el_);
+ var playerRect = getBoundingClientRect(this.player_.el());
+ var seekBarPointPx = seekBarRect.width * seekBarPoint;
+
+ // do nothing if either rect isn't available
+ // for example, if the player isn't in the DOM for testing
+ if (!playerRect || !tooltipRect) {
+ return;
+ }
+
+ // This is the space left of the `seekBarPoint` available within the bounds
+ // of the player. We calculate any gap between the left edge of the player
+ // and the left edge of the `SeekBar` and add the number of pixels in the
+ // `SeekBar` before hitting the `seekBarPoint`
+ var spaceLeftOfPoint = seekBarRect.left - playerRect.left + seekBarPointPx;
+
+ // This is the space right of the `seekBarPoint` available within the bounds
+ // of the player. We calculate the number of pixels from the `seekBarPoint`
+ // to the right edge of the `SeekBar` and add to that any gap between the
+ // right edge of the `SeekBar` and the player.
+ var spaceRightOfPoint = seekBarRect.width - seekBarPointPx + (playerRect.right - seekBarRect.right);
+
+ // This is the number of pixels by which the tooltip will need to be pulled
+ // further to the right to center it over the `seekBarPoint`.
+ var pullTooltipBy = tooltipRect.width / 2;
+
+ // Adjust the `pullTooltipBy` distance to the left or right depending on
+ // the results of the space calculations above.
+ if (spaceLeftOfPoint < pullTooltipBy) {
+ pullTooltipBy += pullTooltipBy - spaceLeftOfPoint;
+ } else if (spaceRightOfPoint < pullTooltipBy) {
+ pullTooltipBy = spaceRightOfPoint;
+ }
+
+ // Due to the imprecision of decimal/ratio based calculations and varying
+ // rounding behaviors, there are cases where the spacing adjustment is off
+ // by a pixel or two. This adds insurance to these calculations.
+ if (pullTooltipBy < 0) {
+ pullTooltipBy = 0;
+ } else if (pullTooltipBy > tooltipRect.width) {
+ pullTooltipBy = tooltipRect.width;
+ }
+
+ this.el_.style.right = '-' + pullTooltipBy + 'px';
+ textContent(this.el_, content);
+ };
+
+ return TimeTooltip;
+ }(Component);
+
+ Component.registerComponent('TimeTooltip', TimeTooltip);
+
+ /**
+ * @file play-progress-bar.js
+ */
+ /**
+ * Used by {@link SeekBar} to display media playback progress as part of the
+ * {@link ProgressControl}.
+ *
+ * @extends Component
+ */
+
+ var PlayProgressBar = function (_Component) {
+ inherits(PlayProgressBar, _Component);
+
+ function PlayProgressBar() {
+ classCallCheck(this, PlayProgressBar);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the the DOM element for this class.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ PlayProgressBar.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-play-progress vjs-slider-bar',
+ innerHTML: '<span class="vjs-control-text"><span>' + this.localize('Progress') + '</span>: 0%</span>'
+ });
+ };
+
+ /**
+ * Enqueues updates to its own DOM as well as the DOM of its
+ * {@link TimeTooltip} child.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+
+
+ PlayProgressBar.prototype.update = function update(seekBarRect, seekBarPoint) {
+ var _this2 = this;
+
+ // If there is an existing rAF ID, cancel it so we don't over-queue.
+ if (this.rafId_) {
+ this.cancelAnimationFrame(this.rafId_);
+ }
+
+ this.rafId_ = this.requestAnimationFrame(function () {
+ var time = _this2.player_.scrubbing() ? _this2.player_.getCache().currentTime : _this2.player_.currentTime();
+
+ var content = formatTime(time, _this2.player_.duration());
+ var timeTooltip = _this2.getChild('timeTooltip');
+
+ if (timeTooltip) {
+ timeTooltip.update(seekBarRect, seekBarPoint, content);
+ }
+ });
+ };
+
+ return PlayProgressBar;
+ }(Component);
+
+ /**
+ * Default options for {@link PlayProgressBar}.
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ PlayProgressBar.prototype.options_ = {
+ children: []
+ };
+
+// Time tooltips should not be added to a player on mobile devices or IE8
+ if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
+ PlayProgressBar.prototype.options_.children.push('timeTooltip');
+ }
+
+ Component.registerComponent('PlayProgressBar', PlayProgressBar);
+
+ /**
+ * @file mouse-time-display.js
+ */
+ /**
+ * The {@link MouseTimeDisplay} component tracks mouse movement over the
+ * {@link ProgressControl}. It displays an indicator and a {@link TimeTooltip}
+ * indicating the time which is represented by a given point in the
+ * {@link ProgressControl}.
+ *
+ * @extends Component
+ */
+
+ var MouseTimeDisplay = function (_Component) {
+ inherits(MouseTimeDisplay, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The {@link Player} that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function MouseTimeDisplay(player, options) {
+ classCallCheck(this, MouseTimeDisplay);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.update = throttle(bind(_this, _this.update), 25);
+ return _this;
+ }
+
+ /**
+ * Create the DOM element for this class.
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ MouseTimeDisplay.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-mouse-display'
+ });
+ };
+
+ /**
+ * Enqueues updates to its own DOM as well as the DOM of its
+ * {@link TimeTooltip} child.
+ *
+ * @param {Object} seekBarRect
+ * The `ClientRect` for the {@link SeekBar} element.
+ *
+ * @param {number} seekBarPoint
+ * A number from 0 to 1, representing a horizontal reference point
+ * from the left edge of the {@link SeekBar}
+ */
+
+
+ MouseTimeDisplay.prototype.update = function update(seekBarRect, seekBarPoint) {
+ var _this2 = this;
+
+ // If there is an existing rAF ID, cancel it so we don't over-queue.
+ if (this.rafId_) {
+ this.cancelAnimationFrame(this.rafId_);
+ }
+
+ this.rafId_ = this.requestAnimationFrame(function () {
+ var duration = _this2.player_.duration();
+ var content = formatTime(seekBarPoint * duration, duration);
+
+ var scaleX = _this2.el_.getBoundingClientRect().width / _this2.el_.offsetWidth;
+
+ _this2.el_.style.left = (seekBarRect.width * seekBarPoint) / scaleX + 'px';
+ _this2.getChild('timeTooltip').update(seekBarRect, seekBarPoint, content);
+ });
+ };
+
+ return MouseTimeDisplay;
+ }(Component);
+
+ /**
+ * Default options for `MouseTimeDisplay`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ MouseTimeDisplay.prototype.options_ = {
+ children: ['timeTooltip']
+ };
+
+ Component.registerComponent('MouseTimeDisplay', MouseTimeDisplay);
+
+ /**
+ * @file seek-bar.js
+ */
+// The number of seconds the `step*` functions move the timeline.
+ var STEP_SECONDS = 5;
+
+ /**
+ * Seek bar and container for the progress bars. Uses {@link PlayProgressBar}
+ * as its `bar`.
+ *
+ * @extends Slider
+ */
+
+ var SeekBar = function (_Slider) {
+ inherits(SeekBar, _Slider);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function SeekBar(player, options) {
+ classCallCheck(this, SeekBar);
+
+ var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+
+ _this.update = throttle(bind(_this, _this.update), 50);
+ _this.on(player, 'timeupdate', _this.update);
+ _this.on(player, 'ended', _this.handleEnded);
+
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ SeekBar.prototype.createEl = function createEl$$1() {
+ return _Slider.prototype.createEl.call(this, 'div', {
+ className: 'vjs-progress-holder'
+ }, {
+ 'aria-label': this.localize('Progress Bar')
+ });
+ };
+
+ /**
+ * This function updates the play progress bar and accessiblity
+ * attributes to whatever is passed in.
+ *
+ * @param {number} currentTime
+ * The currentTime value that should be used for accessiblity
+ *
+ * @param {number} percent
+ * The percentage as a decimal that the bar should be filled from 0-1.
+ *
+ * @private
+ */
+
+
+ SeekBar.prototype.update_ = function update_(currentTime, percent) {
+ var duration = this.player_.duration();
+
+ // machine readable value of progress bar (percentage complete)
+ this.el_.setAttribute('aria-valuenow', (percent * 100).toFixed(2));
+
+ // human readable value of progress bar (time complete)
+ this.el_.setAttribute('aria-valuetext', this.localize('progress bar timing: currentTime={1} duration={2}', [formatTime(currentTime, duration), formatTime(duration, duration)], '{1} of {2}'));
+
+ // Update the `PlayProgressBar`.
+ this.bar.update(getBoundingClientRect(this.el_), percent);
+ };
+
+ /**
+ * Update the seek bar's UI.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `ended` event that caused this to run.
+ *
+ * @listens Player#timeupdate
+ *
+ * @returns {number}
+ * The current percent at a number from 0-1
+ */
+
+
+ SeekBar.prototype.update = function update(event) {
+ var percent = _Slider.prototype.update.call(this);
+
+ this.update_(this.getCurrentTime_(), percent);
+ return percent;
+ };
+
+ /**
+ * Get the value of current time but allows for smooth scrubbing,
+ * when player can't keep up.
+ *
+ * @return {number}
+ * The current time value to display
+ *
+ * @private
+ */
+
+
+ SeekBar.prototype.getCurrentTime_ = function getCurrentTime_() {
+ return this.player_.scrubbing() ? this.player_.getCache().currentTime : this.player_.currentTime();
+ };
+
+ /**
+ * We want the seek bar to be full on ended
+ * no matter what the actual internal values are. so we force it.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `timeupdate` or `ended` event that caused this to run.
+ *
+ * @listens Player#ended
+ */
+
+
+ SeekBar.prototype.handleEnded = function handleEnded(event) {
+ this.update_(this.player_.duration(), 1);
+ };
+
+ /**
+ * Get the percentage of media played so far.
+ *
+ * @return {number}
+ * The percentage of media played so far (0 to 1).
+ */
+
+
+ SeekBar.prototype.getPercent = function getPercent() {
+ var percent = this.getCurrentTime_() / this.player_.duration();
+
+ return percent >= 1 ? 1 : percent;
+ };
+
+ /**
+ * Handle mouse down on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousedown` event that caused this to run.
+ *
+ * @listens mousedown
+ */
+
+
+ SeekBar.prototype.handleMouseDown = function handleMouseDown(event) {
+ this.player_.scrubbing(true);
+
+ this.videoWasPlaying = !this.player_.paused();
+ this.player_.pause();
+
+ _Slider.prototype.handleMouseDown.call(this, event);
+ };
+
+ /**
+ * Handle mouse move on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this to run.
+ *
+ * @listens mousemove
+ */
+
+
+ SeekBar.prototype.handleMouseMove = function handleMouseMove(event) {
+ var newTime = this.calculateDistance(event) * this.player_.duration();
+
+ // Don't let video end while scrubbing.
+ if (newTime === this.player_.duration()) {
+ newTime = newTime - 0.1;
+ }
+
+ // Set new time (tell player to seek to new time)
+ this.player_.currentTime(newTime);
+ };
+
+ SeekBar.prototype.enable = function enable() {
+ _Slider.prototype.enable.call(this);
+ var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
+
+ if (!mouseTimeDisplay) {
+ return;
+ }
+
+ mouseTimeDisplay.show();
+ };
+
+ SeekBar.prototype.disable = function disable() {
+ _Slider.prototype.disable.call(this);
+ var mouseTimeDisplay = this.getChild('mouseTimeDisplay');
+
+ if (!mouseTimeDisplay) {
+ return;
+ }
+
+ mouseTimeDisplay.hide();
+ };
+
+ /**
+ * Handle mouse up on seek bar
+ *
+ * @param {EventTarget~Event} event
+ * The `mouseup` event that caused this to run.
+ *
+ * @listens mouseup
+ */
+
+
+ SeekBar.prototype.handleMouseUp = function handleMouseUp(event) {
+ _Slider.prototype.handleMouseUp.call(this, event);
+
+ this.player_.scrubbing(false);
+ if (this.videoWasPlaying) {
+ this.player_.play();
+ }
+ };
+
+ /**
+ * Move more quickly fast forward for keyboard-only users
+ */
+
+
+ SeekBar.prototype.stepForward = function stepForward() {
+ this.player_.currentTime(this.player_.currentTime() + STEP_SECONDS);
+ };
+
+ /**
+ * Move more quickly rewind for keyboard-only users
+ */
+
+
+ SeekBar.prototype.stepBack = function stepBack() {
+ this.player_.currentTime(this.player_.currentTime() - STEP_SECONDS);
+ };
+
+ /**
+ * Toggles the playback state of the player
+ * This gets called when enter or space is used on the seekbar
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called
+ *
+ */
+
+
+ SeekBar.prototype.handleAction = function handleAction(event) {
+ if (this.player_.paused()) {
+ this.player_.play();
+ } else {
+ this.player_.pause();
+ }
+ };
+
+ /**
+ * Called when this SeekBar has focus and a key gets pressed down. By
+ * default it will call `this.handleAction` when the key is space or enter.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+
+
+ SeekBar.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Support Space (32) or Enter (13) key operation to fire a click event
+ if (event.which === 32 || event.which === 13) {
+ event.preventDefault();
+ this.handleAction(event);
+ } else if (_Slider.prototype.handleKeyPress) {
+
+ // Pass keypress handling up for unsupported keys
+ _Slider.prototype.handleKeyPress.call(this, event);
+ }
+ };
+
+ return SeekBar;
+ }(Slider);
+
+ /**
+ * Default options for the `SeekBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ SeekBar.prototype.options_ = {
+ children: ['loadProgressBar', 'playProgressBar'],
+ barName: 'playProgressBar'
+ };
+
+// MouseTimeDisplay tooltips should not be added to a player on mobile devices or IE8
+ if ((!IE_VERSION || IE_VERSION > 8) && !IS_IOS && !IS_ANDROID) {
+ SeekBar.prototype.options_.children.splice(1, 0, 'mouseTimeDisplay');
+ }
+
+ /**
+ * Call the update event for this Slider when this event happens on the player.
+ *
+ * @type {string}
+ */
+ SeekBar.prototype.playerEvent = 'timeupdate';
+
+ Component.registerComponent('SeekBar', SeekBar);
+
+ /**
+ * @file progress-control.js
+ */
+ /**
+ * The Progress Control component contains the seek bar, load progress,
+ * and play progress.
+ *
+ * @extends Component
+ */
+
+ var ProgressControl = function (_Component) {
+ inherits(ProgressControl, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ProgressControl(player, options) {
+ classCallCheck(this, ProgressControl);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.handleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
+ _this.throttledHandleMouseSeek = throttle(bind(_this, _this.handleMouseSeek), 25);
+
+ _this.enable();
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ ProgressControl.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-progress-control vjs-control'
+ });
+ };
+
+ /**
+ * When the mouse moves over the `ProgressControl`, the pointer position
+ * gets passed down to the `MouseTimeDisplay` component.
+ *
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this function to run.
+ *
+ * @listen mousemove
+ */
+
+
+ ProgressControl.prototype.handleMouseMove = function handleMouseMove(event) {
+ var seekBar = this.getChild('seekBar');
+ var mouseTimeDisplay = seekBar.getChild('mouseTimeDisplay');
+ var seekBarEl = seekBar.el();
+ var seekBarRect = getBoundingClientRect(seekBarEl);
+ var seekBarPoint = getPointerPosition(seekBarEl, event).x;
+
+ // The default skin has a gap on either side of the `SeekBar`. This means
+ // that it's possible to trigger this behavior outside the boundaries of
+ // the `SeekBar`. This ensures we stay within it at all times.
+ if (seekBarPoint > 1) {
+ seekBarPoint = 1;
+ } else if (seekBarPoint < 0) {
+ seekBarPoint = 0;
+ }
+
+ if (mouseTimeDisplay) {
+ mouseTimeDisplay.update(seekBarRect, seekBarPoint);
+ }
+ };
+
+ /**
+ * A throttled version of the {@link ProgressControl#handleMouseSeek} listener.
+ *
+ * @method ProgressControl#throttledHandleMouseSeek
+ * @param {EventTarget~Event} event
+ * The `mousemove` event that caused this function to run.
+ *
+ * @listen mousemove
+ * @listen touchmove
+ */
+
+ /**
+ * Handle `mousemove` or `touchmove` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousemove
+ * @listens touchmove
+ */
+
+
+ ProgressControl.prototype.handleMouseSeek = function handleMouseSeek(event) {
+ var seekBar = this.getChild('seekBar');
+
+ seekBar.handleMouseMove(event);
+ };
+
+ /**
+ * Are controls are currently enabled for this progress control.
+ *
+ * @return {boolean}
+ * true if controls are enabled, false otherwise
+ */
+
+
+ ProgressControl.prototype.enabled = function enabled() {
+ return this.enabled_;
+ };
+
+ /**
+ * Disable all controls on the progress control and its children
+ */
+
+
+ ProgressControl.prototype.disable = function disable() {
+ this.children().forEach(function (child) {
+ return child.disable && child.disable();
+ });
+
+ if (!this.enabled()) {
+ return;
+ }
+
+ this.off(['mousedown', 'touchstart'], this.handleMouseDown);
+ this.off(this.el_, 'mousemove', this.handleMouseMove);
+ this.handleMouseUp();
+
+ this.addClass('disabled');
+
+ this.enabled_ = false;
+ };
+
+ /**
+ * Enable all controls on the progress control and its children
+ */
+
+
+ ProgressControl.prototype.enable = function enable() {
+ this.children().forEach(function (child) {
+ return child.enable && child.enable();
+ });
+
+ if (this.enabled()) {
+ return;
+ }
+
+ this.on(['mousedown', 'touchstart'], this.handleMouseDown);
+ this.on(this.el_, 'mousemove', this.handleMouseMove);
+ this.removeClass('disabled');
+
+ this.enabled_ = true;
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+
+
+ ProgressControl.prototype.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.el_.ownerDocument;
+
+ this.on(doc, 'mousemove', this.throttledHandleMouseSeek);
+ this.on(doc, 'touchmove', this.throttledHandleMouseSeek);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchend', this.handleMouseUp);
+ };
+
+ /**
+ * Handle `mouseup` or `touchend` events on the `ProgressControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ */
+
+
+ ProgressControl.prototype.handleMouseUp = function handleMouseUp(event) {
+ var doc = this.el_.ownerDocument;
+
+ this.off(doc, 'mousemove', this.throttledHandleMouseSeek);
+ this.off(doc, 'touchmove', this.throttledHandleMouseSeek);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ };
+
+ return ProgressControl;
+ }(Component);
+
+ /**
+ * Default options for `ProgressControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ ProgressControl.prototype.options_ = {
+ children: ['seekBar']
+ };
+
+ Component.registerComponent('ProgressControl', ProgressControl);
+
+ /**
+ * @file fullscreen-toggle.js
+ */
+ /**
+ * Toggle fullscreen video
+ *
+ * @extends Button
+ */
+
+ var FullscreenToggle = function (_Button) {
+ inherits(FullscreenToggle, _Button);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function FullscreenToggle(player, options) {
+ classCallCheck(this, FullscreenToggle);
+
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ _this.on(player, 'fullscreenchange', _this.handleFullscreenChange);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ FullscreenToggle.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-fullscreen-control ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Handles fullscreenchange on the player and change control text accordingly.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#fullscreenchange} event that caused this function to be
+ * called.
+ *
+ * @listens Player#fullscreenchange
+ */
+
+
+ FullscreenToggle.prototype.handleFullscreenChange = function handleFullscreenChange(event) {
+ if (this.player_.isFullscreen()) {
+ this.controlText('Non-Fullscreen');
+ } else {
+ this.controlText('Fullscreen');
+ }
+ };
+
+ /**
+ * This gets called when an `FullscreenToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ FullscreenToggle.prototype.handleClick = function handleClick(event) {
+ if (!this.player_.isFullscreen()) {
+ this.player_.requestFullscreen();
+ } else {
+ this.player_.exitFullscreen();
+ }
+ };
+
+ return FullscreenToggle;
+ }(Button);
+
+ /**
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ FullscreenToggle.prototype.controlText_ = 'Fullscreen';
+
+ Component.registerComponent('FullscreenToggle', FullscreenToggle);
+
+ /**
+ * Check if volume control is supported and if it isn't hide the
+ * `Component` that was passed using the `vjs-hidden` class.
+ *
+ * @param {Component} self
+ * The component that should be hidden if volume is unsupported
+ *
+ * @param {Player} player
+ * A reference to the player
+ *
+ * @private
+ */
+ var checkVolumeSupport = function checkVolumeSupport(self, player) {
+ // hide volume controls when they're not supported by the current tech
+ if (player.tech_ && !player.tech_.featuresVolumeControl) {
+ self.addClass('vjs-hidden');
+ }
+
+ self.on(player, 'loadstart', function () {
+ if (!player.tech_.featuresVolumeControl) {
+ self.addClass('vjs-hidden');
+ } else {
+ self.removeClass('vjs-hidden');
+ }
+ });
+ };
+
+ /**
+ * @file volume-level.js
+ */
+ /**
+ * Shows volume level
+ *
+ * @extends Component
+ */
+
+ var VolumeLevel = function (_Component) {
+ inherits(VolumeLevel, _Component);
+
+ function VolumeLevel() {
+ classCallCheck(this, VolumeLevel);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ VolumeLevel.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-level',
+ innerHTML: '<span class="vjs-control-text"></span>'
+ });
+ };
+
+ return VolumeLevel;
+ }(Component);
+
+ Component.registerComponent('VolumeLevel', VolumeLevel);
+
+ /**
+ * @file volume-bar.js
+ */
+// Required children
+ /**
+ * The bar that contains the volume level and can be clicked on to adjust the level
+ *
+ * @extends Slider
+ */
+
+ var VolumeBar = function (_Slider) {
+ inherits(VolumeBar, _Slider);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function VolumeBar(player, options) {
+ classCallCheck(this, VolumeBar);
+
+ var _this = possibleConstructorReturn(this, _Slider.call(this, player, options));
+
+ _this.on('slideractive', _this.updateLastVolume_);
+ _this.on(player, 'volumechange', _this.updateARIAAttributes);
+ player.ready(function () {
+ return _this.updateARIAAttributes();
+ });
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ VolumeBar.prototype.createEl = function createEl() {
+ return _Slider.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-bar vjs-slider-bar'
+ }, {
+ 'aria-label': this.localize('Volume Level'),
+ 'aria-live': 'polite'
+ });
+ };
+
+ /**
+ * Handle movement events on the {@link VolumeMenuButton}.
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run.
+ *
+ * @listens mousemove
+ */
+
+
+ VolumeBar.prototype.handleMouseMove = function handleMouseMove(event) {
+ this.checkMuted();
+ this.player_.volume(this.calculateDistance(event));
+ };
+
+ /**
+ * If the player is muted unmute it.
+ */
+
+
+ VolumeBar.prototype.checkMuted = function checkMuted() {
+ if (this.player_.muted()) {
+ this.player_.muted(false);
+ }
+ };
+
+ /**
+ * Get percent of volume level
+ *
+ * @return {number}
+ * Volume level percent as a decimal number.
+ */
+
+
+ VolumeBar.prototype.getPercent = function getPercent() {
+ if (this.player_.muted()) {
+ return 0;
+ }
+ return this.player_.volume();
+ };
+
+ /**
+ * Increase volume level for keyboard users
+ */
+
+
+ VolumeBar.prototype.stepForward = function stepForward() {
+ this.checkMuted();
+ this.player_.volume(this.player_.volume() + 0.1);
+ };
+
+ /**
+ * Decrease volume level for keyboard users
+ */
+
+
+ VolumeBar.prototype.stepBack = function stepBack() {
+ this.checkMuted();
+ this.player_.volume(this.player_.volume() - 0.1);
+ };
+
+ /**
+ * Update ARIA accessibility attributes
+ *
+ * @param {EventTarget~Event} [event]
+ * The `volumechange` event that caused this function to run.
+ *
+ * @listens Player#volumechange
+ */
+
+
+ VolumeBar.prototype.updateARIAAttributes = function updateARIAAttributes(event) {
+ var ariaValue = this.player_.muted() ? 0 : this.volumeAsPercentage_();
+
+ this.el_.setAttribute('aria-valuenow', ariaValue);
+ this.el_.setAttribute('aria-valuetext', ariaValue + '%');
+ };
+
+ /**
+ * Returns the current value of the player volume as a percentage
+ *
+ * @private
+ */
+
+
+ VolumeBar.prototype.volumeAsPercentage_ = function volumeAsPercentage_() {
+ return Math.round(this.player_.volume() * 100);
+ };
+
+ /**
+ * When user starts dragging the VolumeBar, store the volume and listen for
+ * the end of the drag. When the drag ends, if the volume was set to zero,
+ * set lastVolume to the stored volume.
+ *
+ * @listens slideractive
+ * @private
+ */
+
+
+ VolumeBar.prototype.updateLastVolume_ = function updateLastVolume_() {
+ var _this2 = this;
+
+ var volumeBeforeDrag = this.player_.volume();
+
+ this.one('sliderinactive', function () {
+ if (_this2.player_.volume() === 0) {
+ _this2.player_.lastVolume_(volumeBeforeDrag);
+ }
+ });
+ };
+
+ return VolumeBar;
+ }(Slider);
+
+ /**
+ * Default options for the `VolumeBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ VolumeBar.prototype.options_ = {
+ children: ['volumeLevel'],
+ barName: 'volumeLevel'
+ };
+
+ /**
+ * Call the update event for this Slider when this event happens on the player.
+ *
+ * @type {string}
+ */
+ VolumeBar.prototype.playerEvent = 'volumechange';
+
+ Component.registerComponent('VolumeBar', VolumeBar);
+
+ /**
+ * @file volume-control.js
+ */
+// Required children
+ /**
+ * The component for controlling the volume level
+ *
+ * @extends Component
+ */
+
+ var VolumeControl = function (_Component) {
+ inherits(VolumeControl, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function VolumeControl(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, VolumeControl);
+
+ options.vertical = options.vertical || false;
+
+ // Pass the vertical option down to the VolumeBar if
+ // the VolumeBar is turned on.
+ if (typeof options.volumeBar === 'undefined' || isPlain(options.volumeBar)) {
+ options.volumeBar = options.volumeBar || {};
+ options.volumeBar.vertical = options.vertical;
+ }
+
+ // hide this control if volume support is missing
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ checkVolumeSupport(_this, player);
+
+ _this.throttledHandleMouseMove = throttle(bind(_this, _this.handleMouseMove), 25);
+
+ _this.on('mousedown', _this.handleMouseDown);
+ _this.on('touchstart', _this.handleMouseDown);
+
+ // while the slider is active (the mouse has been pressed down and
+ // is dragging) or in focus we do not want to hide the VolumeBar
+ _this.on(_this.volumeBar, ['focus', 'slideractive'], function () {
+ _this.volumeBar.addClass('vjs-slider-active');
+ _this.addClass('vjs-slider-active');
+ _this.trigger('slideractive');
+ });
+
+ _this.on(_this.volumeBar, ['blur', 'sliderinactive'], function () {
+ _this.volumeBar.removeClass('vjs-slider-active');
+ _this.removeClass('vjs-slider-active');
+ _this.trigger('sliderinactive');
+ });
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ VolumeControl.prototype.createEl = function createEl() {
+ var orientationClass = 'vjs-volume-horizontal';
+
+ if (this.options_.vertical) {
+ orientationClass = 'vjs-volume-vertical';
+ }
+
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-control vjs-control ' + orientationClass
+ });
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+
+
+ VolumeControl.prototype.handleMouseDown = function handleMouseDown(event) {
+ var doc = this.el_.ownerDocument;
+
+ this.on(doc, 'mousemove', this.throttledHandleMouseMove);
+ this.on(doc, 'touchmove', this.throttledHandleMouseMove);
+ this.on(doc, 'mouseup', this.handleMouseUp);
+ this.on(doc, 'touchend', this.handleMouseUp);
+ };
+
+ /**
+ * Handle `mouseup` or `touchend` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mouseup` or `touchend` event that triggered this function.
+ *
+ * @listens touchend
+ * @listens mouseup
+ */
+
+
+ VolumeControl.prototype.handleMouseUp = function handleMouseUp(event) {
+ var doc = this.el_.ownerDocument;
+
+ this.off(doc, 'mousemove', this.throttledHandleMouseMove);
+ this.off(doc, 'touchmove', this.throttledHandleMouseMove);
+ this.off(doc, 'mouseup', this.handleMouseUp);
+ this.off(doc, 'touchend', this.handleMouseUp);
+ };
+
+ /**
+ * Handle `mousedown` or `touchstart` events on the `VolumeControl`.
+ *
+ * @param {EventTarget~Event} event
+ * `mousedown` or `touchstart` event that triggered this function
+ *
+ * @listens mousedown
+ * @listens touchstart
+ */
+
+
+ VolumeControl.prototype.handleMouseMove = function handleMouseMove(event) {
+ this.volumeBar.handleMouseMove(event);
+ };
+
+ return VolumeControl;
+ }(Component);
+
+ /**
+ * Default options for the `VolumeControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ VolumeControl.prototype.options_ = {
+ children: ['volumeBar']
+ };
+
+ Component.registerComponent('VolumeControl', VolumeControl);
+
+ /**
+ * @file mute-toggle.js
+ */
+ /**
+ * A button component for muting the audio.
+ *
+ * @extends Button
+ */
+
+ var MuteToggle = function (_Button) {
+ inherits(MuteToggle, _Button);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function MuteToggle(player, options) {
+ classCallCheck(this, MuteToggle);
+
+ // hide this control if volume support is missing
+ var _this = possibleConstructorReturn(this, _Button.call(this, player, options));
+
+ checkVolumeSupport(_this, player);
+
+ _this.on(player, ['loadstart', 'volumechange'], _this.update);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ MuteToggle.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-mute-control ' + _Button.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * This gets called when an `MuteToggle` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ MuteToggle.prototype.handleClick = function handleClick(event) {
+ var vol = this.player_.volume();
+ var lastVolume = this.player_.lastVolume_();
+
+ if (vol === 0) {
+ var volumeToSet = lastVolume < 0.1 ? 0.1 : lastVolume;
+
+ this.player_.volume(volumeToSet);
+ this.player_.muted(false);
+ } else {
+ this.player_.muted(this.player_.muted() ? false : true);
+ }
+ };
+
+ /**
+ * Update the `MuteToggle` button based on the state of `volume` and `muted`
+ * on the player.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link Player#loadstart} event if this function was called
+ * through an event.
+ *
+ * @listens Player#loadstart
+ * @listens Player#volumechange
+ */
+
+
+ MuteToggle.prototype.update = function update(event) {
+ this.updateIcon_();
+ this.updateControlText_();
+ };
+
+ /**
+ * Update the appearance of the `MuteToggle` icon.
+ *
+ * Possible states (given `level` variable below):
+ * - 0: crossed out
+ * - 1: zero bars of volume
+ * - 2: one bar of volume
+ * - 3: two bars of volume
+ *
+ * @private
+ */
+
+
+ MuteToggle.prototype.updateIcon_ = function updateIcon_() {
+ var vol = this.player_.volume();
+ var level = 3;
+
+ if (vol === 0 || this.player_.muted()) {
+ level = 0;
+ } else if (vol < 0.33) {
+ level = 1;
+ } else if (vol < 0.67) {
+ level = 2;
+ }
+
+ // TODO improve muted icon classes
+ for (var i = 0; i < 4; i++) {
+ removeClass(this.el_, 'vjs-vol-' + i);
+ }
+ addClass(this.el_, 'vjs-vol-' + level);
+ };
+
+ /**
+ * If `muted` has changed on the player, update the control text
+ * (`title` attribute on `vjs-mute-control` element and content of
+ * `vjs-control-text` element).
+ *
+ * @private
+ */
+
+
+ MuteToggle.prototype.updateControlText_ = function updateControlText_() {
+ var soundOff = this.player_.muted() || this.player_.volume() === 0;
+ var text = soundOff ? 'Unmute' : 'Mute';
+
+ if (this.controlText() !== text) {
+ this.controlText(text);
+ }
+ };
+
+ return MuteToggle;
+ }(Button);
+
+ /**
+ * The text that should display over the `MuteToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ MuteToggle.prototype.controlText_ = 'Mute';
+
+ Component.registerComponent('MuteToggle', MuteToggle);
+
+ /**
+ * @file volume-control.js
+ */
+// Required children
+ /**
+ * A Component to contain the MuteToggle and VolumeControl so that
+ * they can work together.
+ *
+ * @extends Component
+ */
+
+ var VolumePanel = function (_Component) {
+ inherits(VolumePanel, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function VolumePanel(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, VolumePanel);
+
+ if (typeof options.inline !== 'undefined') {
+ options.inline = options.inline;
+ } else {
+ options.inline = true;
+ }
+
+ // pass the inline option down to the VolumeControl as vertical if
+ // the VolumeControl is on.
+ if (typeof options.volumeControl === 'undefined' || isPlain(options.volumeControl)) {
+ options.volumeControl = options.volumeControl || {};
+ options.volumeControl.vertical = !options.inline;
+ }
+
+ // hide this control if volume support is missing
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ checkVolumeSupport(_this, player);
+
+ // while the slider is active (the mouse has been pressed down and
+ // is dragging) or in focus we do not want to hide the VolumeBar
+ _this.on(_this.volumeControl, ['slideractive'], _this.sliderActive_);
+ _this.on(_this.muteToggle, 'focus', _this.sliderActive_);
+
+ _this.on(_this.volumeControl, ['sliderinactive'], _this.sliderInactive_);
+ _this.on(_this.muteToggle, 'blur', _this.sliderInactive_);
+ return _this;
+ }
+
+ /**
+ * Add vjs-slider-active class to the VolumePanel
+ *
+ * @listens VolumeControl#slideractive
+ * @private
+ */
+
+
+ VolumePanel.prototype.sliderActive_ = function sliderActive_() {
+ this.addClass('vjs-slider-active');
+ };
+
+ /**
+ * Removes vjs-slider-active class to the VolumePanel
+ *
+ * @listens VolumeControl#sliderinactive
+ * @private
+ */
+
+
+ VolumePanel.prototype.sliderInactive_ = function sliderInactive_() {
+ this.removeClass('vjs-slider-active');
+ };
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ VolumePanel.prototype.createEl = function createEl() {
+ var orientationClass = 'vjs-volume-panel-horizontal';
+
+ if (!this.options_.inline) {
+ orientationClass = 'vjs-volume-panel-vertical';
+ }
+
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-volume-panel vjs-control ' + orientationClass
+ });
+ };
+
+ return VolumePanel;
+ }(Component);
+
+ /**
+ * Default options for the `VolumeControl`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ VolumePanel.prototype.options_ = {
+ children: ['muteToggle', 'volumeControl']
+ };
+
+ Component.registerComponent('VolumePanel', VolumePanel);
+
+ /**
+ * @file menu.js
+ */
+ /**
+ * The Menu component is used to build popup menus, including subtitle and
+ * captions selection menus.
+ *
+ * @extends Component
+ */
+
+ var Menu = function (_Component) {
+ inherits(Menu, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Player} player
+ * the player that this component should attach to
+ *
+ * @param {Object} [options]
+ * Object of option names and values
+ *
+ */
+ function Menu(player, options) {
+ classCallCheck(this, Menu);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ if (options) {
+ _this.menuButton_ = options.menuButton;
+ }
+
+ _this.focusedChild_ = -1;
+
+ _this.on('keydown', _this.handleKeyPress);
+ return _this;
+ }
+
+ /**
+ * Add a {@link MenuItem} to the menu.
+ *
+ * @param {Object|string} component
+ * The name or instance of the `MenuItem` to add.
+ *
+ */
+
+
+ Menu.prototype.addItem = function addItem(component) {
+ this.addChild(component);
+ component.on('click', bind(this, function (event) {
+ // Unpress the associated MenuButton, and move focus back to it
+ if (this.menuButton_) {
+ this.menuButton_.unpressButton();
+
+ // don't focus menu button if item is a caption settings item
+ // because focus will move elsewhere and it logs an error on IE8
+ if (component.name() !== 'CaptionSettingsMenuItem') {
+ this.menuButton_.focus();
+ }
+ }
+ }));
+ };
+
+ /**
+ * Create the `Menu`s DOM element.
+ *
+ * @return {Element}
+ * the element that was created
+ */
+
+
+ Menu.prototype.createEl = function createEl$$1() {
+ var contentElType = this.options_.contentElType || 'ul';
+
+ this.contentEl_ = createEl(contentElType, {
+ className: 'vjs-menu-content'
+ });
+
+ this.contentEl_.setAttribute('role', 'menu');
+
+ var el = _Component.prototype.createEl.call(this, 'div', {
+ append: this.contentEl_,
+ className: 'vjs-menu'
+ });
+
+ el.appendChild(this.contentEl_);
+
+ // Prevent clicks from bubbling up. Needed for Menu Buttons,
+ // where a click on the parent is significant
+ on(el, 'click', function (event) {
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ });
+
+ return el;
+ };
+
+ /**
+ * Handle a `keydown` event on this menu. This listener is added in the constructor.
+ *
+ * @param {EventTarget~Event} event
+ * A `keydown` event that happened on the menu.
+ *
+ * @listens keydown
+ */
+
+
+ Menu.prototype.handleKeyPress = function handleKeyPress(event) {
+ // Left and Down Arrows
+ if (event.which === 37 || event.which === 40) {
+ event.preventDefault();
+ this.stepForward();
+
+ // Up and Right Arrows
+ } else if (event.which === 38 || event.which === 39) {
+ event.preventDefault();
+ this.stepBack();
+ }
+ };
+
+ /**
+ * Move to next (lower) menu item for keyboard users.
+ */
+
+
+ Menu.prototype.stepForward = function stepForward() {
+ var stepChild = 0;
+
+ if (this.focusedChild_ !== undefined) {
+ stepChild = this.focusedChild_ + 1;
+ }
+ this.focus(stepChild);
+ };
+
+ /**
+ * Move to previous (higher) menu item for keyboard users.
+ */
+
+
+ Menu.prototype.stepBack = function stepBack() {
+ var stepChild = 0;
+
+ if (this.focusedChild_ !== undefined) {
+ stepChild = this.focusedChild_ - 1;
+ }
+ this.focus(stepChild);
+ };
+
+ /**
+ * Set focus on a {@link MenuItem} in the `Menu`.
+ *
+ * @param {Object|string} [item=0]
+ * Index of child item set focus on.
+ */
+
+
+ Menu.prototype.focus = function focus() {
+ var item = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
+
+ var children = this.children().slice();
+ var haveTitle = children.length && children[0].className && /vjs-menu-title/.test(children[0].className);
+
+ if (haveTitle) {
+ children.shift();
+ }
+
+ if (children.length > 0) {
+ if (item < 0) {
+ item = 0;
+ } else if (item >= children.length) {
+ item = children.length - 1;
+ }
+
+ this.focusedChild_ = item;
+
+ children[item].el_.focus();
+ }
+ };
+
+ return Menu;
+ }(Component);
+
+ Component.registerComponent('Menu', Menu);
+
+ /**
+ * @file menu-button.js
+ */
+ /**
+ * A `MenuButton` class for any popup {@link Menu}.
+ *
+ * @extends Component
+ */
+
+ var MenuButton = function (_Component) {
+ inherits(MenuButton, _Component);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function MenuButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, MenuButton);
+
+ var _this = possibleConstructorReturn(this, _Component.call(this, player, options));
+
+ _this.menuButton_ = new Button(player, options);
+
+ _this.menuButton_.controlText(_this.controlText_);
+ _this.menuButton_.el_.setAttribute('aria-haspopup', 'true');
+
+ // Add buildCSSClass values to the button, not the wrapper
+ var buttonClass = Button.prototype.buildCSSClass();
+
+ _this.menuButton_.el_.className = _this.buildCSSClass() + ' ' + buttonClass;
+ _this.menuButton_.removeClass('vjs-control');
+
+ _this.addChild(_this.menuButton_);
+
+ _this.update();
+
+ _this.enabled_ = true;
+
+ _this.on(_this.menuButton_, 'tap', _this.handleClick);
+ _this.on(_this.menuButton_, 'click', _this.handleClick);
+ _this.on(_this.menuButton_, 'focus', _this.handleFocus);
+ _this.on(_this.menuButton_, 'blur', _this.handleBlur);
+
+ _this.on('keydown', _this.handleSubmenuKeyPress);
+ return _this;
+ }
+
+ /**
+ * Update the menu based on the current state of its items.
+ */
+
+
+ MenuButton.prototype.update = function update() {
+ var menu = this.createMenu();
+
+ if (this.menu) {
+ this.removeChild(this.menu);
+ }
+
+ this.menu = menu;
+ this.addChild(menu);
+
+ /**
+ * Track the state of the menu button
+ *
+ * @type {Boolean}
+ * @private
+ */
+ this.buttonPressed_ = false;
+ this.menuButton_.el_.setAttribute('aria-expanded', 'false');
+
+ if (this.items && this.items.length <= this.hideThreshold_) {
+ this.hide();
+ } else {
+ this.show();
+ }
+ };
+
+ /**
+ * Create the menu and add all items to it.
+ *
+ * @return {Menu}
+ * The constructed menu
+ */
+
+
+ MenuButton.prototype.createMenu = function createMenu() {
+ var menu = new Menu(this.player_, {menuButton: this});
+
+ /**
+ * Hide the menu if the number of items is less than or equal to this threshold. This defaults
+ * to 0 and whenever we add items which can be hidden to the menu we'll increment it. We list
+ * it here because every time we run `createMenu` we need to reset the value.
+ *
+ * @protected
+ * @type {Number}
+ */
+ this.hideThreshold_ = 0;
+
+ // Add a title list item to the top
+ if (this.options_.title) {
+ var title = createEl('li', {
+ className: 'vjs-menu-title',
+ innerHTML: toTitleCase(this.options_.title),
+ tabIndex: -1
+ });
+
+ this.hideThreshold_ += 1;
+
+ menu.children_.unshift(title);
+ prependTo(title, menu.contentEl());
+ }
+
+ this.items = this.createItems();
+
+ if (this.items) {
+ // Add menu items to the menu
+ for (var i = 0; i < this.items.length; i++) {
+ menu.addItem(this.items[i]);
+ }
+ }
+
+ return menu;
+ };
+
+ /**
+ * Create the list of menu items. Specific to each subclass.
+ *
+ * @abstract
+ */
+
+
+ MenuButton.prototype.createItems = function createItems() {
+ };
+
+ /**
+ * Create the `MenuButtons`s DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ MenuButton.prototype.createEl = function createEl$$1() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildWrapperCSSClass()
+ }, {});
+ };
+
+ /**
+ * Allow sub components to stack CSS class names for the wrapper element
+ *
+ * @return {string}
+ * The constructed wrapper DOM `className`
+ */
+
+
+ MenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ var menuButtonClass = 'vjs-menu-button';
+
+ // If the inline option is passed, we want to use different styles altogether.
+ if (this.options_.inline === true) {
+ menuButtonClass += '-inline';
+ } else {
+ menuButtonClass += '-popup';
+ }
+
+ // TODO: Fix the CSS so that this isn't necessary
+ var buttonClass = Button.prototype.buildCSSClass();
+
+ return 'vjs-menu-button ' + menuButtonClass + ' ' + buttonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ MenuButton.prototype.buildCSSClass = function buildCSSClass() {
+ var menuButtonClass = 'vjs-menu-button';
+
+ // If the inline option is passed, we want to use different styles altogether.
+ if (this.options_.inline === true) {
+ menuButtonClass += '-inline';
+ } else {
+ menuButtonClass += '-popup';
+ }
+
+ return 'vjs-menu-button ' + menuButtonClass + ' ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Get or set the localized control text that will be used for accessibility.
+ *
+ * > NOTE: This will come from the internal `menuButton_` element.
+ *
+ * @param {string} [text]
+ * Control text for element.
+ *
+ * @param {Element} [el=this.menuButton_.el()]
+ * Element to set the title on.
+ *
+ * @return {string}
+ * - The control text when getting
+ */
+
+
+ MenuButton.prototype.controlText = function controlText(text) {
+ var el = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.menuButton_.el();
+
+ return this.menuButton_.controlText(text, el);
+ };
+
+ /**
+ * Handle a click on a `MenuButton`.
+ * See {@link ClickableComponent#handleClick} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ MenuButton.prototype.handleClick = function handleClick(event) {
+ // When you click the button it adds focus, which will show the menu.
+ // So we'll remove focus when the mouse leaves the button. Focus is needed
+ // for tab navigation.
+
+ this.one(this.menu.contentEl(), 'mouseleave', bind(this, function (e) {
+ this.unpressButton();
+ this.el_.blur();
+ }));
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ } else {
+ this.pressButton();
+ }
+ };
+
+ /**
+ * Set the focus to the actual button, not to this element
+ */
+
+
+ MenuButton.prototype.focus = function focus() {
+ this.menuButton_.focus();
+ };
+
+ /**
+ * Remove the focus from the actual button, not this element
+ */
+
+
+ MenuButton.prototype.blur = function blur() {
+ this.menuButton_.blur();
+ };
+
+ /**
+ * This gets called when a `MenuButton` gains focus via a `focus` event.
+ * Turns on listening for `keydown` events. When they happen it
+ * calls `this.handleKeyPress`.
+ *
+ * @param {EventTarget~Event} event
+ * The `focus` event that caused this function to be called.
+ *
+ * @listens focus
+ */
+
+
+ MenuButton.prototype.handleFocus = function handleFocus() {
+ on(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ /**
+ * Called when a `MenuButton` loses focus. Turns off the listener for
+ * `keydown` events. Which Stops `this.handleKeyPress` from getting called.
+ *
+ * @param {EventTarget~Event} event
+ * The `blur` event that caused this function to be called.
+ *
+ * @listens blur
+ */
+
+
+ MenuButton.prototype.handleBlur = function handleBlur() {
+ off(document_1, 'keydown', bind(this, this.handleKeyPress));
+ };
+
+ /**
+ * Handle tab, escape, down arrow, and up arrow keys for `MenuButton`. See
+ * {@link ClickableComponent#handleKeyPress} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown` event that caused this function to be called.
+ *
+ * @listens keydown
+ */
+
+
+ MenuButton.prototype.handleKeyPress = function handleKeyPress(event) {
+
+ // Escape (27) key or Tab (9) key unpress the 'button'
+ if (event.which === 27 || event.which === 9) {
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ }
+ // Don't preventDefault for Tab key - we still want to lose focus
+ if (event.which !== 9) {
+ event.preventDefault();
+ // Set focus back to the menu button's button
+ this.menuButton_.el_.focus();
+ }
+ // Up (38) key or Down (40) key press the 'button'
+ } else if (event.which === 38 || event.which === 40) {
+ if (!this.buttonPressed_) {
+ this.pressButton();
+ event.preventDefault();
+ }
+ }
+ };
+
+ /**
+ * Handle a `keydown` event on a sub-menu. The listener for this is added in
+ * the constructor.
+ *
+ * @param {EventTarget~Event} event
+ * Key press event
+ *
+ * @listens keydown
+ */
+
+
+ MenuButton.prototype.handleSubmenuKeyPress = function handleSubmenuKeyPress(event) {
+
+ // Escape (27) key or Tab (9) key unpress the 'button'
+ if (event.which === 27 || event.which === 9) {
+ if (this.buttonPressed_) {
+ this.unpressButton();
+ }
+ // Don't preventDefault for Tab key - we still want to lose focus
+ if (event.which !== 9) {
+ event.preventDefault();
+ // Set focus back to the menu button's button
+ this.menuButton_.el_.focus();
+ }
+ }
+ };
+
+ /**
+ * Put the current `MenuButton` into a pressed state.
+ */
+
+
+ MenuButton.prototype.pressButton = function pressButton() {
+ if (this.enabled_) {
+ this.buttonPressed_ = true;
+ this.menu.lockShowing();
+ this.menuButton_.el_.setAttribute('aria-expanded', 'true');
+
+ // set the focus into the submenu, except on iOS where it is resulting in
+ // undesired scrolling behavior when the player is in an iframe
+ if (!IS_IOS && !isInFrame()) {
+ this.menu.focus();
+ }
+ }
+ };
+
+ /**
+ * Take the current `MenuButton` out of a pressed state.
+ */
+
+
+ MenuButton.prototype.unpressButton = function unpressButton() {
+ if (this.enabled_) {
+ this.buttonPressed_ = false;
+ this.menu.unlockShowing();
+ this.menuButton_.el_.setAttribute('aria-expanded', 'false');
+ }
+ };
+
+ /**
+ * Disable the `MenuButton`. Don't allow it to be clicked.
+ */
+
+
+ MenuButton.prototype.disable = function disable() {
+ this.unpressButton();
+
+ this.enabled_ = false;
+ this.addClass('vjs-disabled');
+
+ this.menuButton_.disable();
+ };
+
+ /**
+ * Enable the `MenuButton`. Allow it to be clicked.
+ */
+
+
+ MenuButton.prototype.enable = function enable() {
+ this.enabled_ = true;
+ this.removeClass('vjs-disabled');
+
+ this.menuButton_.enable();
+ };
+
+ return MenuButton;
+ }(Component);
+
+ Component.registerComponent('MenuButton', MenuButton);
+
+ /**
+ * @file track-button.js
+ */
+ /**
+ * The base class for buttons that toggle specific track types (e.g. subtitles).
+ *
+ * @extends MenuButton
+ */
+
+ var TrackButton = function (_MenuButton) {
+ inherits(TrackButton, _MenuButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TrackButton(player, options) {
+ classCallCheck(this, TrackButton);
+
+ var tracks = options.tracks;
+
+ var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
+
+ if (_this.items.length <= 1) {
+ _this.hide();
+ }
+
+ if (!tracks) {
+ return possibleConstructorReturn(_this);
+ }
+
+ var updateHandler = bind(_this, _this.update);
+
+ tracks.addEventListener('removetrack', updateHandler);
+ tracks.addEventListener('addtrack', updateHandler);
+ _this.player_.on('ready', updateHandler);
+
+ _this.player_.on('dispose', function () {
+ tracks.removeEventListener('removetrack', updateHandler);
+ tracks.removeEventListener('addtrack', updateHandler);
+ });
+ return _this;
+ }
+
+ return TrackButton;
+ }(MenuButton);
+
+ Component.registerComponent('TrackButton', TrackButton);
+
+ /**
+ * @file menu-item.js
+ */
+ /**
+ * The component for a menu item. `<li>`
+ *
+ * @extends ClickableComponent
+ */
+
+ var MenuItem = function (_ClickableComponent) {
+ inherits(MenuItem, _ClickableComponent);
+
+ /**
+ * Creates an instance of the this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ *
+ */
+ function MenuItem(player, options) {
+ classCallCheck(this, MenuItem);
+
+ var _this = possibleConstructorReturn(this, _ClickableComponent.call(this, player, options));
+
+ _this.selectable = options.selectable;
+
+ _this.selected(options.selected);
+
+ if (_this.selectable) {
+ // TODO: May need to be either menuitemcheckbox or menuitemradio,
+ // and may need logical grouping of menu items.
+ _this.el_.setAttribute('role', 'menuitemcheckbox');
+ } else {
+ _this.el_.setAttribute('role', 'menuitem');
+ }
+ return _this;
+ }
+
+ /**
+ * Create the `MenuItem's DOM element
+ *
+ * @param {string} [type=li]
+ * Element's node type, not actually used, always set to `li`.
+ *
+ * @param {Object} [props={}]
+ * An object of properties that should be set on the element
+ *
+ * @param {Object} [attrs={}]
+ * An object of attributes that should be set on the element
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ MenuItem.prototype.createEl = function createEl(type, props, attrs) {
+ // The control is textual, not just an icon
+ this.nonIconControl = true;
+
+ return _ClickableComponent.prototype.createEl.call(this, 'li', assign({
+ className: 'vjs-menu-item',
+ innerHTML: '<span class="vjs-menu-item-text">' + this.localize(this.options_.label) + '</span>',
+ tabIndex: -1
+ }, props), attrs);
+ };
+
+ /**
+ * Any click on a `MenuItem` puts int into the selected state.
+ * See {@link ClickableComponent#handleClick} for instances where this is called.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ MenuItem.prototype.handleClick = function handleClick(event) {
+ this.selected(true);
+ };
+
+ /**
+ * Set the state for this menu item as selected or not.
+ *
+ * @param {boolean} selected
+ * if the menu item is selected or not
+ */
+
+
+ MenuItem.prototype.selected = function selected(_selected) {
+ if (this.selectable) {
+ if (_selected) {
+ this.addClass('vjs-selected');
+ this.el_.setAttribute('aria-checked', 'true');
+ // aria-checked isn't fully supported by browsers/screen readers,
+ // so indicate selected state to screen reader in the control text.
+ this.controlText(', selected');
+ } else {
+ this.removeClass('vjs-selected');
+ this.el_.setAttribute('aria-checked', 'false');
+ // Indicate un-selected state to screen reader
+ // Note that a space clears out the selected state text
+ this.controlText(' ');
+ }
+ }
+ };
+
+ return MenuItem;
+ }(ClickableComponent);
+
+ Component.registerComponent('MenuItem', MenuItem);
+
+ /**
+ * @file text-track-menu-item.js
+ */
+ /**
+ * The specific menu item type for selecting a language within a text track kind
+ *
+ * @extends MenuItem
+ */
+
+ var TextTrackMenuItem = function (_MenuItem) {
+ inherits(TextTrackMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TextTrackMenuItem(player, options) {
+ classCallCheck(this, TextTrackMenuItem);
+
+ var track = options.track;
+ var tracks = player.textTracks();
+
+ // Modify options for parent MenuItem class's init.
+ options.label = track.label || track.language || 'Unknown';
+ options.selected = track.mode === 'showing';
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.track = track;
+ var changeHandler = bind(_this, _this.handleTracksChange);
+ var selectedLanguageChangeHandler = bind(_this, _this.handleSelectedLanguageChange);
+
+ player.on(['loadstart', 'texttrackchange'], changeHandler);
+ tracks.addEventListener('change', changeHandler);
+ tracks.addEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+ _this.on('dispose', function () {
+ tracks.removeEventListener('change', changeHandler);
+ tracks.removeEventListener('selectedlanguagechange', selectedLanguageChangeHandler);
+ });
+
+ // iOS7 doesn't dispatch change events to TextTrackLists when an
+ // associated track's mode changes. Without something like
+ // Object.observe() (also not present on iOS7), it's not
+ // possible to detect changes to the mode attribute and polyfill
+ // the change event. As a poor substitute, we manually dispatch
+ // change events whenever the controls modify the mode.
+ if (tracks.onchange === undefined) {
+ var event = void 0;
+
+ _this.on(['tap', 'click'], function () {
+ if (_typeof(window_1.Event) !== 'object') {
+ // Android 2.3 throws an Illegal Constructor error for window.Event
+ try {
+ event = new window_1.Event('change');
+ } catch (err) {
+ // continue regardless of error
+ }
+ }
+
+ if (!event) {
+ event = document_1.createEvent('Event');
+ event.initEvent('change', true, true);
+ }
+
+ tracks.dispatchEvent(event);
+ });
+ }
+ return _this;
+ }
+
+ /**
+ * This gets called when an `TextTrackMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} event
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ TextTrackMenuItem.prototype.handleClick = function handleClick(event) {
+ var kind = this.track.kind;
+ var kinds = this.track.kinds;
+ var tracks = this.player_.textTracks();
+
+ if (!kinds) {
+ kinds = [kind];
+ }
+
+ _MenuItem.prototype.handleClick.call(this, event);
+
+ if (!tracks) {
+ return;
+ }
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ if (track === this.track && kinds.indexOf(track.kind) > -1) {
+ if (track.mode !== 'showing') {
+ track.mode = 'showing';
+ }
+ } else if (track.mode !== 'disabled') {
+ track.mode = 'disabled';
+ }
+ }
+ };
+
+ /**
+ * Handle text track list change
+ *
+ * @param {EventTarget~Event} event
+ * The `change` event that caused this function to be called.
+ *
+ * @listens TextTrackList#change
+ */
+
+
+ TextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+ this.selected(this.track.mode === 'showing');
+ };
+
+ TextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+ if (this.track.mode === 'showing') {
+ var selectedLanguage = this.player_.cache_.selectedLanguage;
+
+ // Don't replace the kind of track across the same language
+ if (selectedLanguage && selectedLanguage.enabled && selectedLanguage.language === this.track.language && selectedLanguage.kind !== this.track.kind) {
+ return;
+ }
+
+ this.player_.cache_.selectedLanguage = {
+ enabled: true,
+ language: this.track.language,
+ kind: this.track.kind
+ };
+ }
+ };
+
+ return TextTrackMenuItem;
+ }(MenuItem);
+
+ Component.registerComponent('TextTrackMenuItem', TextTrackMenuItem);
+
+ /**
+ * @file off-text-track-menu-item.js
+ */
+ /**
+ * A special menu item for turning of a specific type of text track
+ *
+ * @extends TextTrackMenuItem
+ */
+
+ var OffTextTrackMenuItem = function (_TextTrackMenuItem) {
+ inherits(OffTextTrackMenuItem, _TextTrackMenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function OffTextTrackMenuItem(player, options) {
+ classCallCheck(this, OffTextTrackMenuItem);
+
+ // Create pseudo track info
+ // Requires options['kind']
+ options.track = {
+ player: player,
+ kind: options.kind,
+ kinds: options.kinds,
+ 'default': false,
+ mode: 'disabled'
+ };
+
+ if (!options.kinds) {
+ options.kinds = [options.kind];
+ }
+
+ if (options.label) {
+ options.track.label = options.label;
+ } else {
+ options.track.label = options.kinds.join(' and ') + ' off';
+ }
+
+ // MenuItem is selectable
+ options.selectable = true;
+
+ var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
+
+ _this.selected(true);
+ return _this;
+ }
+
+ /**
+ * Handle text track change
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run
+ */
+
+
+ OffTextTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+ var tracks = this.player().textTracks();
+ var selected = true;
+
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
+
+ if (this.options_.kinds.indexOf(track.kind) > -1 && track.mode === 'showing') {
+ selected = false;
+ break;
+ }
+ }
+
+ this.selected(selected);
+ };
+
+ OffTextTrackMenuItem.prototype.handleSelectedLanguageChange = function handleSelectedLanguageChange(event) {
+ var tracks = this.player().textTracks();
+ var allHidden = true;
+
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
+
+ if (['captions', 'descriptions', 'subtitles'].indexOf(track.kind) > -1 && track.mode === 'showing') {
+ allHidden = false;
+ break;
+ }
+ }
+
+ if (allHidden) {
+ this.player_.cache_.selectedLanguage = {
+ enabled: false
+ };
+ }
+ };
+
+ return OffTextTrackMenuItem;
+ }(TextTrackMenuItem);
+
+ Component.registerComponent('OffTextTrackMenuItem', OffTextTrackMenuItem);
+
+ /**
+ * @file text-track-button.js
+ */
+ /**
+ * The base class for buttons that toggle specific text track types (e.g. subtitles)
+ *
+ * @extends MenuButton
+ */
+
+ var TextTrackButton = function (_TrackButton) {
+ inherits(TextTrackButton, _TrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function TextTrackButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, TextTrackButton);
+
+ options.tracks = player.textTracks();
+
+ return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
+ }
+
+ /**
+ * Create a menu item for each text track
+ *
+ * @param {TextTrackMenuItem[]} [items=[]]
+ * Existing array of items to use during creation
+ *
+ * @return {TextTrackMenuItem[]}
+ * Array of menu items that were created
+ */
+
+
+ TextTrackButton.prototype.createItems = function createItems() {
+ var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+ var TrackMenuItem = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : TextTrackMenuItem;
+
+
+ // Label is an overide for the [track] off label
+ // USed to localise captions/subtitles
+ var label = void 0;
+
+ if (this.label_) {
+ label = this.label_ + ' off';
+ }
+ // Add an OFF menu item to turn all tracks off
+ items.push(new OffTextTrackMenuItem(this.player_, {
+ kinds: this.kinds_,
+ kind: this.kind_,
+ label: label
+ }));
+
+ this.hideThreshold_ += 1;
+
+ var tracks = this.player_.textTracks();
+
+ if (!Array.isArray(this.kinds_)) {
+ this.kinds_ = [this.kind_];
+ }
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ // only add tracks that are of an appropriate kind and have a label
+ if (this.kinds_.indexOf(track.kind) > -1) {
+
+ var item = new TrackMenuItem(this.player_, {
+ track: track,
+ // MenuItem is selectable
+ selectable: true
+ });
+
+ item.addClass('vjs-' + track.kind + '-menu-item');
+ items.push(item);
+ }
+ }
+
+ return items;
+ };
+
+ return TextTrackButton;
+ }(TrackButton);
+
+ Component.registerComponent('TextTrackButton', TextTrackButton);
+
+ /**
+ * @file chapters-track-menu-item.js
+ */
+ /**
+ * The chapter track menu item
+ *
+ * @extends MenuItem
+ */
+
+ var ChaptersTrackMenuItem = function (_MenuItem) {
+ inherits(ChaptersTrackMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ChaptersTrackMenuItem(player, options) {
+ classCallCheck(this, ChaptersTrackMenuItem);
+
+ var track = options.track;
+ var cue = options.cue;
+ var currentTime = player.currentTime();
+
+ // Modify options for parent MenuItem class's init.
+ options.selectable = true;
+ options.label = cue.text;
+ options.selected = cue.startTime <= currentTime && currentTime < cue.endTime;
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.track = track;
+ _this.cue = cue;
+ track.addEventListener('cuechange', bind(_this, _this.update));
+ return _this;
+ }
+
+ /**
+ * This gets called when an `ChaptersTrackMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ ChaptersTrackMenuItem.prototype.handleClick = function handleClick(event) {
+ _MenuItem.prototype.handleClick.call(this);
+ this.player_.currentTime(this.cue.startTime);
+ this.update(this.cue.startTime);
+ };
+
+ /**
+ * Update chapter menu item
+ *
+ * @param {EventTarget~Event} [event]
+ * The `cuechange` event that caused this function to run.
+ *
+ * @listens TextTrack#cuechange
+ */
+
+
+ ChaptersTrackMenuItem.prototype.update = function update(event) {
+ var cue = this.cue;
+ var currentTime = this.player_.currentTime();
+
+ // vjs.log(currentTime, cue.startTime);
+ this.selected(cue.startTime <= currentTime && currentTime < cue.endTime);
+ };
+
+ return ChaptersTrackMenuItem;
+ }(MenuItem);
+
+ Component.registerComponent('ChaptersTrackMenuItem', ChaptersTrackMenuItem);
+
+ /**
+ * @file chapters-button.js
+ */
+ /**
+ * The button component for toggling and selecting chapters
+ * Chapters act much differently than other text tracks
+ * Cues are navigation vs. other tracks of alternative languages
+ *
+ * @extends TextTrackButton
+ */
+
+ var ChaptersButton = function (_TextTrackButton) {
+ inherits(ChaptersButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this function is ready.
+ */
+ function ChaptersButton(player, options, ready) {
+ classCallCheck(this, ChaptersButton);
+ return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ ChaptersButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ ChaptersButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-chapters-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Update the menu based on the current state of its items.
+ *
+ * @param {EventTarget~Event} [event]
+ * An event that triggered this function to run.
+ *
+ * @listens TextTrackList#addtrack
+ * @listens TextTrackList#removetrack
+ * @listens TextTrackList#change
+ */
+
+
+ ChaptersButton.prototype.update = function update(event) {
+ if (!this.track_ || event && (event.type === 'addtrack' || event.type === 'removetrack')) {
+ this.setTrack(this.findChaptersTrack());
+ }
+ _TextTrackButton.prototype.update.call(this);
+ };
+
+ /**
+ * Set the currently selected track for the chapters button.
+ *
+ * @param {TextTrack} track
+ * The new track to select. Nothing will change if this is the currently selected
+ * track.
+ */
+
+
+ ChaptersButton.prototype.setTrack = function setTrack(track) {
+ if (this.track_ === track) {
+ return;
+ }
+
+ if (!this.updateHandler_) {
+ this.updateHandler_ = this.update.bind(this);
+ }
+
+ // here this.track_ refers to the old track instance
+ if (this.track_) {
+ var remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+
+ if (remoteTextTrackEl) {
+ remoteTextTrackEl.removeEventListener('load', this.updateHandler_);
+ }
+
+ this.track_ = null;
+ }
+
+ this.track_ = track;
+
+ // here this.track_ refers to the new track instance
+ if (this.track_) {
+ this.track_.mode = 'hidden';
+
+ var _remoteTextTrackEl = this.player_.remoteTextTrackEls().getTrackElementByTrack_(this.track_);
+
+ if (_remoteTextTrackEl) {
+ _remoteTextTrackEl.addEventListener('load', this.updateHandler_);
+ }
+ }
+ };
+
+ /**
+ * Find the track object that is currently in use by this ChaptersButton
+ *
+ * @return {TextTrack|undefined}
+ * The current track or undefined if none was found.
+ */
+
+
+ ChaptersButton.prototype.findChaptersTrack = function findChaptersTrack() {
+ var tracks = this.player_.textTracks() || [];
+
+ for (var i = tracks.length - 1; i >= 0; i--) {
+ // We will always choose the last track as our chaptersTrack
+ var track = tracks[i];
+
+ if (track.kind === this.kind_) {
+ return track;
+ }
+ }
+ };
+
+ /**
+ * Get the caption for the ChaptersButton based on the track label. This will also
+ * use the current tracks localized kind as a fallback if a label does not exist.
+ *
+ * @return {string}
+ * The tracks current label or the localized track kind.
+ */
+
+
+ ChaptersButton.prototype.getMenuCaption = function getMenuCaption() {
+ if (this.track_ && this.track_.label) {
+ return this.track_.label;
+ }
+ return this.localize(toTitleCase(this.kind_));
+ };
+
+ /**
+ * Create menu from chapter track
+ *
+ * @return {Menu}
+ * New menu for the chapter buttons
+ */
+
+
+ ChaptersButton.prototype.createMenu = function createMenu() {
+ this.options_.title = this.getMenuCaption();
+ return _TextTrackButton.prototype.createMenu.call(this);
+ };
+
+ /**
+ * Create a menu item for each text track
+ *
+ * @return {TextTrackMenuItem[]}
+ * Array of menu items
+ */
+
+
+ ChaptersButton.prototype.createItems = function createItems() {
+ var items = [];
+
+ if (!this.track_) {
+ return items;
+ }
+
+ var cues = this.track_.cues;
+
+ if (!cues) {
+ return items;
+ }
+
+ for (var i = 0, l = cues.length; i < l; i++) {
+ var cue = cues[i];
+ var mi = new ChaptersTrackMenuItem(this.player_, {track: this.track_, cue: cue});
+
+ items.push(mi);
+ }
+
+ return items;
+ };
+
+ return ChaptersButton;
+ }(TextTrackButton);
+
+ /**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ ChaptersButton.prototype.kind_ = 'chapters';
+
+ /**
+ * The text that should display over the `ChaptersButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+ ChaptersButton.prototype.controlText_ = 'Chapters';
+
+ Component.registerComponent('ChaptersButton', ChaptersButton);
+
+ /**
+ * @file descriptions-button.js
+ */
+ /**
+ * The button component for toggling and selecting descriptions
+ *
+ * @extends TextTrackButton
+ */
+
+ var DescriptionsButton = function (_TextTrackButton) {
+ inherits(DescriptionsButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function DescriptionsButton(player, options, ready) {
+ classCallCheck(this, DescriptionsButton);
+
+ var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+
+ var tracks = player.textTracks();
+ var changeHandler = bind(_this, _this.handleTracksChange);
+
+ tracks.addEventListener('change', changeHandler);
+ _this.on('dispose', function () {
+ tracks.removeEventListener('change', changeHandler);
+ });
+ return _this;
+ }
+
+ /**
+ * Handle text track change
+ *
+ * @param {EventTarget~Event} event
+ * The event that caused this function to run
+ *
+ * @listens TextTrackList#change
+ */
+
+
+ DescriptionsButton.prototype.handleTracksChange = function handleTracksChange(event) {
+ var tracks = this.player().textTracks();
+ var disabled = false;
+
+ // Check whether a track of a different kind is showing
+ for (var i = 0, l = tracks.length; i < l; i++) {
+ var track = tracks[i];
+
+ if (track.kind !== this.kind_ && track.mode === 'showing') {
+ disabled = true;
+ break;
+ }
+ }
+
+ // If another track is showing, disable this menu button
+ if (disabled) {
+ this.disable();
+ } else {
+ this.enable();
+ }
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ DescriptionsButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ DescriptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-descriptions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ return DescriptionsButton;
+ }(TextTrackButton);
+
+ /**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ DescriptionsButton.prototype.kind_ = 'descriptions';
+
+ /**
+ * The text that should display over the `DescriptionsButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+ DescriptionsButton.prototype.controlText_ = 'Descriptions';
+
+ Component.registerComponent('DescriptionsButton', DescriptionsButton);
+
+ /**
+ * @file subtitles-button.js
+ */
+ /**
+ * The button component for toggling and selecting subtitles
+ *
+ * @extends TextTrackButton
+ */
+
+ var SubtitlesButton = function (_TextTrackButton) {
+ inherits(SubtitlesButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function SubtitlesButton(player, options, ready) {
+ classCallCheck(this, SubtitlesButton);
+ return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ SubtitlesButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ SubtitlesButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-subtitles-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ return SubtitlesButton;
+ }(TextTrackButton);
+
+ /**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ SubtitlesButton.prototype.kind_ = 'subtitles';
+
+ /**
+ * The text that should display over the `SubtitlesButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+ SubtitlesButton.prototype.controlText_ = 'Subtitles';
+
+ Component.registerComponent('SubtitlesButton', SubtitlesButton);
+
+ /**
+ * @file caption-settings-menu-item.js
+ */
+ /**
+ * The menu item for caption track settings menu
+ *
+ * @extends TextTrackMenuItem
+ */
+
+ var CaptionSettingsMenuItem = function (_TextTrackMenuItem) {
+ inherits(CaptionSettingsMenuItem, _TextTrackMenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function CaptionSettingsMenuItem(player, options) {
+ classCallCheck(this, CaptionSettingsMenuItem);
+
+ options.track = {
+ player: player,
+ kind: options.kind,
+ label: options.kind + ' settings',
+ selectable: false,
+ 'default': false,
+ mode: 'disabled'
+ };
+
+ // CaptionSettingsMenuItem has no concept of 'selected'
+ options.selectable = false;
+
+ options.name = 'CaptionSettingsMenuItem';
+
+ var _this = possibleConstructorReturn(this, _TextTrackMenuItem.call(this, player, options));
+
+ _this.addClass('vjs-texttrack-settings');
+ _this.controlText(', opens ' + options.kind + ' settings dialog');
+ return _this;
+ }
+
+ /**
+ * This gets called when an `CaptionSettingsMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ CaptionSettingsMenuItem.prototype.handleClick = function handleClick(event) {
+ this.player().getChild('textTrackSettings').open();
+ };
+
+ return CaptionSettingsMenuItem;
+ }(TextTrackMenuItem);
+
+ Component.registerComponent('CaptionSettingsMenuItem', CaptionSettingsMenuItem);
+
+ /**
+ * @file captions-button.js
+ */
+ /**
+ * The button component for toggling and selecting captions
+ *
+ * @extends TextTrackButton
+ */
+
+ var CaptionsButton = function (_TextTrackButton) {
+ inherits(CaptionsButton, _TextTrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * The function to call when this component is ready.
+ */
+ function CaptionsButton(player, options, ready) {
+ classCallCheck(this, CaptionsButton);
+ return possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ CaptionsButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ CaptionsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-captions-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create caption menu items
+ *
+ * @return {CaptionSettingsMenuItem[]}
+ * The array of current menu items.
+ */
+
+
+ CaptionsButton.prototype.createItems = function createItems() {
+ var items = [];
+
+ if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
+ items.push(new CaptionSettingsMenuItem(this.player_, {kind: this.kind_}));
+
+ this.hideThreshold_ += 1;
+ }
+
+ return _TextTrackButton.prototype.createItems.call(this, items);
+ };
+
+ return CaptionsButton;
+ }(TextTrackButton);
+
+ /**
+ * `kind` of TextTrack to look for to associate it with this menu.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ CaptionsButton.prototype.kind_ = 'captions';
+
+ /**
+ * The text that should display over the `CaptionsButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+ CaptionsButton.prototype.controlText_ = 'Captions';
+
+ Component.registerComponent('CaptionsButton', CaptionsButton);
+
+ /**
+ * @file subs-caps-menu-item.js
+ */
+ /**
+ * SubsCapsMenuItem has an [cc] icon to distinguish captions from subtitles
+ * in the SubsCapsMenu.
+ *
+ * @extends TextTrackMenuItem
+ */
+
+ var SubsCapsMenuItem = function (_TextTrackMenuItem) {
+ inherits(SubsCapsMenuItem, _TextTrackMenuItem);
+
+ function SubsCapsMenuItem() {
+ classCallCheck(this, SubsCapsMenuItem);
+ return possibleConstructorReturn(this, _TextTrackMenuItem.apply(this, arguments));
+ }
+
+ SubsCapsMenuItem.prototype.createEl = function createEl(type, props, attrs) {
+ var innerHTML = '<span class="vjs-menu-item-text">' + this.localize(this.options_.label);
+
+ if (this.options_.track.kind === 'captions') {
+ innerHTML += '\n <span aria-hidden="true" class="vjs-icon-placeholder"></span>\n <span class="vjs-control-text"> ' + this.localize('Captions') + '</span>\n ';
+ }
+
+ innerHTML += '</span>';
+
+ var el = _TextTrackMenuItem.prototype.createEl.call(this, type, assign({
+ innerHTML: innerHTML
+ }, props), attrs);
+
+ return el;
+ };
+
+ return SubsCapsMenuItem;
+ }(TextTrackMenuItem);
+
+ Component.registerComponent('SubsCapsMenuItem', SubsCapsMenuItem);
+
+ /**
+ * @file sub-caps-button.js
+ */
+ /**
+ * The button component for toggling and selecting captions and/or subtitles
+ *
+ * @extends TextTrackButton
+ */
+
+ var SubsCapsButton = function (_TextTrackButton) {
+ inherits(SubsCapsButton, _TextTrackButton);
+
+ function SubsCapsButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, SubsCapsButton);
+
+ // Although North America uses "captions" in most cases for
+ // "captions and subtitles" other locales use "subtitles"
+ var _this = possibleConstructorReturn(this, _TextTrackButton.call(this, player, options));
+
+ _this.label_ = 'subtitles';
+ if (['en', 'en-us', 'en-ca', 'fr-ca'].indexOf(_this.player_.language_) > -1) {
+ _this.label_ = 'captions';
+ }
+ _this.menuButton_.controlText(toTitleCase(_this.label_));
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ SubsCapsButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ SubsCapsButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-subs-caps-button ' + _TextTrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create caption/subtitles menu items
+ *
+ * @return {CaptionSettingsMenuItem[]}
+ * The array of current menu items.
+ */
+
+
+ SubsCapsButton.prototype.createItems = function createItems() {
+ var items = [];
+
+ if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
+ items.push(new CaptionSettingsMenuItem(this.player_, {kind: this.label_}));
+
+ this.hideThreshold_ += 1;
+ }
+
+ items = _TextTrackButton.prototype.createItems.call(this, items, SubsCapsMenuItem);
+ return items;
+ };
+
+ return SubsCapsButton;
+ }(TextTrackButton);
+
+ /**
+ * `kind`s of TextTrack to look for to associate it with this menu.
+ *
+ * @type {array}
+ * @private
+ */
+
+
+ SubsCapsButton.prototype.kinds_ = ['captions', 'subtitles'];
+
+ /**
+ * The text that should display over the `SubsCapsButton`s controls.
+ *
+ *
+ * @type {string}
+ * @private
+ */
+ SubsCapsButton.prototype.controlText_ = 'Subtitles';
+
+ Component.registerComponent('SubsCapsButton', SubsCapsButton);
+
+ /**
+ * @file audio-track-menu-item.js
+ */
+ /**
+ * An {@link AudioTrack} {@link MenuItem}
+ *
+ * @extends MenuItem
+ */
+
+ var AudioTrackMenuItem = function (_MenuItem) {
+ inherits(AudioTrackMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function AudioTrackMenuItem(player, options) {
+ classCallCheck(this, AudioTrackMenuItem);
+
+ var track = options.track;
+ var tracks = player.audioTracks();
+
+ // Modify options for parent MenuItem class's init.
+ options.label = track.label || track.language || 'Unknown';
+ options.selected = track.enabled;
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.track = track;
+
+ var changeHandler = bind(_this, _this.handleTracksChange);
+
+ tracks.addEventListener('change', changeHandler);
+ _this.on('dispose', function () {
+ tracks.removeEventListener('change', changeHandler);
+ });
+ return _this;
+ }
+
+ /**
+ * This gets called when an `AudioTrackMenuItem is "clicked". See {@link ClickableComponent}
+ * for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ AudioTrackMenuItem.prototype.handleClick = function handleClick(event) {
+ var tracks = this.player_.audioTracks();
+
+ _MenuItem.prototype.handleClick.call(this, event);
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ track.enabled = track === this.track;
+ }
+ };
+
+ /**
+ * Handle any {@link AudioTrack} change.
+ *
+ * @param {EventTarget~Event} [event]
+ * The {@link AudioTrackList#change} event that caused this to run.
+ *
+ * @listens AudioTrackList#change
+ */
+
+
+ AudioTrackMenuItem.prototype.handleTracksChange = function handleTracksChange(event) {
+ this.selected(this.track.enabled);
+ };
+
+ return AudioTrackMenuItem;
+ }(MenuItem);
+
+ Component.registerComponent('AudioTrackMenuItem', AudioTrackMenuItem);
+
+ /**
+ * @file audio-track-button.js
+ */
+ /**
+ * The base class for buttons that toggle specific {@link AudioTrack} types.
+ *
+ * @extends TrackButton
+ */
+
+ var AudioTrackButton = function (_TrackButton) {
+ inherits(AudioTrackButton, _TrackButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options={}]
+ * The key/value store of player options.
+ */
+ function AudioTrackButton(player) {
+ var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ classCallCheck(this, AudioTrackButton);
+
+ options.tracks = player.audioTracks();
+
+ return possibleConstructorReturn(this, _TrackButton.call(this, player, options));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this);
+ };
+
+ AudioTrackButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-audio-button ' + _TrackButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create a menu item for each audio track
+ *
+ * @param {AudioTrackMenuItem[]} [items=[]]
+ * An array of existing menu items to use.
+ *
+ * @return {AudioTrackMenuItem[]}
+ * An array of menu items
+ */
+
+
+ AudioTrackButton.prototype.createItems = function createItems() {
+ var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
+
+ // if there's only one audio track, there no point in showing it
+ this.hideThreshold_ = 1;
+
+ var tracks = this.player_.audioTracks();
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ items.push(new AudioTrackMenuItem(this.player_, {
+ track: track,
+ // MenuItem is selectable
+ selectable: true
+ }));
+ }
+
+ return items;
+ };
+
+ return AudioTrackButton;
+ }(TrackButton);
+
+ /**
+ * The text that should display over the `AudioTrackButton`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ AudioTrackButton.prototype.controlText_ = 'Audio Track';
+ Component.registerComponent('AudioTrackButton', AudioTrackButton);
+
+ /**
+ * @file playback-rate-menu-item.js
+ */
+ /**
+ * The specific menu item type for selecting a playback rate.
+ *
+ * @extends MenuItem
+ */
+
+ var PlaybackRateMenuItem = function (_MenuItem) {
+ inherits(PlaybackRateMenuItem, _MenuItem);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlaybackRateMenuItem(player, options) {
+ classCallCheck(this, PlaybackRateMenuItem);
+
+ var label = options.rate;
+ var rate = parseFloat(label, 10);
+
+ // Modify options for parent MenuItem class's init.
+ options.label = label;
+ options.selected = rate === 1;
+ options.selectable = true;
+
+ var _this = possibleConstructorReturn(this, _MenuItem.call(this, player, options));
+
+ _this.label = label;
+ _this.rate = rate;
+
+ _this.on(player, 'ratechange', _this.update);
+ return _this;
+ }
+
+ /**
+ * This gets called when an `PlaybackRateMenuItem` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ PlaybackRateMenuItem.prototype.handleClick = function handleClick(event) {
+ _MenuItem.prototype.handleClick.call(this);
+ this.player().playbackRate(this.rate);
+ };
+
+ /**
+ * Update the PlaybackRateMenuItem when the playbackrate changes.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `ratechange` event that caused this function to run.
+ *
+ * @listens Player#ratechange
+ */
+
+
+ PlaybackRateMenuItem.prototype.update = function update(event) {
+ this.selected(this.player().playbackRate() === this.rate);
+ };
+
+ return PlaybackRateMenuItem;
+ }(MenuItem);
+
+ /**
+ * The text that should display over the `PlaybackRateMenuItem`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ PlaybackRateMenuItem.prototype.contentElType = 'button';
+
+ Component.registerComponent('PlaybackRateMenuItem', PlaybackRateMenuItem);
+
+ /**
+ * @file playback-rate-menu-button.js
+ */
+ /**
+ * The component for controlling the playback rate.
+ *
+ * @extends MenuButton
+ */
+
+ var PlaybackRateMenuButton = function (_MenuButton) {
+ inherits(PlaybackRateMenuButton, _MenuButton);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function PlaybackRateMenuButton(player, options) {
+ classCallCheck(this, PlaybackRateMenuButton);
+
+ var _this = possibleConstructorReturn(this, _MenuButton.call(this, player, options));
+
+ _this.updateVisibility();
+ _this.updateLabel();
+
+ _this.on(player, 'loadstart', _this.updateVisibility);
+ _this.on(player, 'ratechange', _this.updateLabel);
+ return _this;
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ PlaybackRateMenuButton.prototype.createEl = function createEl$$1() {
+ var el = _MenuButton.prototype.createEl.call(this);
+
+ this.labelEl_ = createEl('div', {
+ className: 'vjs-playback-rate-value',
+ innerHTML: '1x'
+ });
+
+ el.appendChild(this.labelEl_);
+
+ return el;
+ };
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+
+
+ PlaybackRateMenuButton.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-playback-rate ' + _MenuButton.prototype.buildCSSClass.call(this);
+ };
+
+ PlaybackRateMenuButton.prototype.buildWrapperCSSClass = function buildWrapperCSSClass() {
+ return 'vjs-playback-rate ' + _MenuButton.prototype.buildWrapperCSSClass.call(this);
+ };
+
+ /**
+ * Create the playback rate menu
+ *
+ * @return {Menu}
+ * Menu object populated with {@link PlaybackRateMenuItem}s
+ */
+
+
+ PlaybackRateMenuButton.prototype.createMenu = function createMenu() {
+ var menu = new Menu(this.player());
+ var rates = this.playbackRates();
+
+ if (rates) {
+ for (var i = rates.length - 1; i >= 0; i--) {
+ menu.addChild(new PlaybackRateMenuItem(this.player(), {rate: rates[i] + 'x'}));
+ }
+ }
+
+ return menu;
+ };
+
+ /**
+ * Updates ARIA accessibility attributes
+ */
+
+
+ PlaybackRateMenuButton.prototype.updateARIAAttributes = function updateARIAAttributes() {
+ // Current playback rate
+ this.el().setAttribute('aria-valuenow', this.player().playbackRate());
+ };
+
+ /**
+ * This gets called when an `PlaybackRateMenuButton` is "clicked". See
+ * {@link ClickableComponent} for more detailed information on what a click can be.
+ *
+ * @param {EventTarget~Event} [event]
+ * The `keydown`, `tap`, or `click` event that caused this function to be
+ * called.
+ *
+ * @listens tap
+ * @listens click
+ */
+
+
+ PlaybackRateMenuButton.prototype.handleClick = function handleClick(event) {
+ // select next rate option
+ var currentRate = this.player().playbackRate();
+ var rates = this.playbackRates();
+
+ // this will select first one if the last one currently selected
+ var newRate = rates[0];
+
+ for (var i = 0; i < rates.length; i++) {
+ if (rates[i] > currentRate) {
+ newRate = rates[i];
+ break;
+ }
+ }
+ this.player().playbackRate(newRate);
+ };
+
+ /**
+ * Get possible playback rates
+ *
+ * @return {Array}
+ * All possible playback rates
+ */
+
+
+ PlaybackRateMenuButton.prototype.playbackRates = function playbackRates() {
+ return this.options_.playbackRates || this.options_.playerOptions && this.options_.playerOptions.playbackRates;
+ };
+
+ /**
+ * Get whether playback rates is supported by the tech
+ * and an array of playback rates exists
+ *
+ * @return {boolean}
+ * Whether changing playback rate is supported
+ */
+
+
+ PlaybackRateMenuButton.prototype.playbackRateSupported = function playbackRateSupported() {
+ return this.player().tech_ && this.player().tech_.featuresPlaybackRate && this.playbackRates() && this.playbackRates().length > 0;
+ };
+
+ /**
+ * Hide playback rate controls when they're no playback rate options to select
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#loadstart
+ */
+
+
+ PlaybackRateMenuButton.prototype.updateVisibility = function updateVisibility(event) {
+ if (this.playbackRateSupported()) {
+ this.removeClass('vjs-hidden');
+ } else {
+ this.addClass('vjs-hidden');
+ }
+ };
+
+ /**
+ * Update button label when rate changed
+ *
+ * @param {EventTarget~Event} [event]
+ * The event that caused this function to run.
+ *
+ * @listens Player#ratechange
+ */
+
+
+ PlaybackRateMenuButton.prototype.updateLabel = function updateLabel(event) {
+ if (this.playbackRateSupported()) {
+ this.labelEl_.innerHTML = this.player().playbackRate() + 'x';
+ }
+ };
+
+ return PlaybackRateMenuButton;
+ }(MenuButton);
+
+ /**
+ * The text that should display over the `FullscreenToggle`s controls. Added for localization.
+ *
+ * @type {string}
+ * @private
+ */
+
+
+ PlaybackRateMenuButton.prototype.controlText_ = 'Playback Rate';
+
+ Component.registerComponent('PlaybackRateMenuButton', PlaybackRateMenuButton);
+
+ /**
+ * @file spacer.js
+ */
+ /**
+ * Just an empty spacer element that can be used as an append point for plugins, etc.
+ * Also can be used to create space between elements when necessary.
+ *
+ * @extends Component
+ */
+
+ var Spacer = function (_Component) {
+ inherits(Spacer, _Component);
+
+ function Spacer() {
+ classCallCheck(this, Spacer);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ Spacer.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-spacer ' + _Component.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ Spacer.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: this.buildCSSClass()
+ });
+ };
+
+ return Spacer;
+ }(Component);
+
+ Component.registerComponent('Spacer', Spacer);
+
+ /**
+ * @file custom-control-spacer.js
+ */
+ /**
+ * Spacer specifically meant to be used as an insertion point for new plugins, etc.
+ *
+ * @extends Spacer
+ */
+
+ var CustomControlSpacer = function (_Spacer) {
+ inherits(CustomControlSpacer, _Spacer);
+
+ function CustomControlSpacer() {
+ classCallCheck(this, CustomControlSpacer);
+ return possibleConstructorReturn(this, _Spacer.apply(this, arguments));
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ */
+ CustomControlSpacer.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-custom-control-spacer ' + _Spacer.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+
+
+ CustomControlSpacer.prototype.createEl = function createEl() {
+ var el = _Spacer.prototype.createEl.call(this, {
+ className: this.buildCSSClass()
+ });
+
+ // No-flex/table-cell mode requires there be some content
+ // in the cell to fill the remaining space of the table.
+ el.innerHTML = ' ';
+ return el;
+ };
+
+ return CustomControlSpacer;
+ }(Spacer);
+
+ Component.registerComponent('CustomControlSpacer', CustomControlSpacer);
+
+ /**
+ * @file control-bar.js
+ */
+// Required children
+ /**
+ * Container of main controls.
+ *
+ * @extends Component
+ */
+
+ var ControlBar = function (_Component) {
+ inherits(ControlBar, _Component);
+
+ function ControlBar() {
+ classCallCheck(this, ControlBar);
+ return possibleConstructorReturn(this, _Component.apply(this, arguments));
+ }
+
+ /**
+ * Create the `Component`'s DOM element
+ *
+ * @return {Element}
+ * The element that was created.
+ */
+ ControlBar.prototype.createEl = function createEl() {
+ return _Component.prototype.createEl.call(this, 'div', {
+ className: 'vjs-control-bar',
+ dir: 'ltr'
+ }, {
+ // The control bar is a group, but we don't aria-label it to avoid
+ // over-announcing by JAWS
+ role: 'group'
+ });
+ };
+
+ return ControlBar;
+ }(Component);
+
+ /**
+ * Default options for `ControlBar`
+ *
+ * @type {Object}
+ * @private
+ */
+
+
+ ControlBar.prototype.options_ = {
+ children: ['playToggle', 'volumePanel', 'currentTimeDisplay', 'timeDivider', 'durationDisplay', 'progressControl', 'liveDisplay', 'remainingTimeDisplay', 'customControlSpacer', 'playbackRateMenuButton', 'chaptersButton', 'descriptionsButton', 'subsCapsButton', 'audioTrackButton', 'fullscreenToggle']
+ };
+
+ Component.registerComponent('ControlBar', ControlBar);
+
+ /**
+ * @file error-display.js
+ */
+ /**
+ * A display that indicates an error has occurred. This means that the video
+ * is unplayable.
+ *
+ * @extends ModalDialog
+ */
+
+ var ErrorDisplay = function (_ModalDialog) {
+ inherits(ErrorDisplay, _ModalDialog);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function ErrorDisplay(player, options) {
+ classCallCheck(this, ErrorDisplay);
+
+ var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
+
+ _this.on(player, 'error', _this.open);
+ return _this;
+ }
+
+ /**
+ * Builds the default DOM `className`.
+ *
+ * @return {string}
+ * The DOM `className` for this object.
+ *
+ * @deprecated Since version 5.
+ */
+
+
+ ErrorDisplay.prototype.buildCSSClass = function buildCSSClass() {
+ return 'vjs-error-display ' + _ModalDialog.prototype.buildCSSClass.call(this);
+ };
+
+ /**
+ * Gets the localized error message based on the `Player`s error.
+ *
+ * @return {string}
+ * The `Player`s error message localized or an empty string.
+ */
+
+
+ ErrorDisplay.prototype.content = function content() {
+ var error = this.player().error();
+
+ return error ? this.localize(error.message) : '';
+ };
+
+ return ErrorDisplay;
+ }(ModalDialog);
+
+ /**
+ * The default options for an `ErrorDisplay`.
+ *
+ * @private
+ */
+
+
+ ErrorDisplay.prototype.options_ = mergeOptions(ModalDialog.prototype.options_, {
+ pauseOnOpen: false,
+ fillAlways: true,
+ temporary: false,
+ uncloseable: true
+ });
+
+ Component.registerComponent('ErrorDisplay', ErrorDisplay);
+
+ /**
+ * @file text-track-settings.js
+ */
+ var LOCAL_STORAGE_KEY = 'vjs-text-track-settings';
+
+ var COLOR_BLACK = ['#000', 'Black'];
+ var COLOR_BLUE = ['#00F', 'Blue'];
+ var COLOR_CYAN = ['#0FF', 'Cyan'];
+ var COLOR_GREEN = ['#0F0', 'Green'];
+ var COLOR_MAGENTA = ['#F0F', 'Magenta'];
+ var COLOR_RED = ['#F00', 'Red'];
+ var COLOR_WHITE = ['#FFF', 'White'];
+ var COLOR_YELLOW = ['#FF0', 'Yellow'];
+
+ var OPACITY_OPAQUE = ['1', 'Opaque'];
+ var OPACITY_SEMI = ['0.5', 'Semi-Transparent'];
+ var OPACITY_TRANS = ['0', 'Transparent'];
+
+// Configuration for the various <select> elements in the DOM of this component.
+//
+// Possible keys include:
+//
+// `default`:
+// The default option index. Only needs to be provided if not zero.
+// `parser`:
+// A function which is used to parse the value from the selected option in
+// a customized way.
+// `selector`:
+// The selector used to find the associated <select> element.
+ var selectConfigs = {
+ backgroundColor: {
+ selector: '.vjs-bg-color > select',
+ id: 'captions-background-color-%s',
+ label: 'Color',
+ options: [COLOR_BLACK, COLOR_WHITE, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+ },
+
+ backgroundOpacity: {
+ selector: '.vjs-bg-opacity > select',
+ id: 'captions-background-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_OPAQUE, OPACITY_SEMI, OPACITY_TRANS]
+ },
+
+ color: {
+ selector: '.vjs-fg-color > select',
+ id: 'captions-foreground-color-%s',
+ label: 'Color',
+ options: [COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_GREEN, COLOR_BLUE, COLOR_YELLOW, COLOR_MAGENTA, COLOR_CYAN]
+ },
+
+ edgeStyle: {
+ selector: '.vjs-edge-style > select',
+ id: '%s',
+ label: 'Text Edge Style',
+ options: [['none', 'None'], ['raised', 'Raised'], ['depressed', 'Depressed'], ['uniform', 'Uniform'], ['dropshadow', 'Dropshadow']]
+ },
+
+ fontFamily: {
+ selector: '.vjs-font-family > select',
+ id: 'captions-font-family-%s',
+ label: 'Font Family',
+ options: [['proportionalSansSerif', 'Proportional Sans-Serif'], ['monospaceSansSerif', 'Monospace Sans-Serif'], ['proportionalSerif', 'Proportional Serif'], ['monospaceSerif', 'Monospace Serif'], ['casual', 'Casual'], ['script', 'Script'], ['small-caps', 'Small Caps']]
+ },
+
+ fontPercent: {
+ selector: '.vjs-font-percent > select',
+ id: 'captions-font-size-%s',
+ label: 'Font Size',
+ options: [['0.50', '50%'], ['0.75', '75%'], ['1.00', '100%'], ['1.25', '125%'], ['1.50', '150%'], ['1.75', '175%'], ['2.00', '200%'], ['3.00', '300%'], ['4.00', '400%']],
+ 'default': 2,
+ parser: function parser(v) {
+ return v === '1.00' ? null : Number(v);
+ }
+ },
+
+ textOpacity: {
+ selector: '.vjs-text-opacity > select',
+ id: 'captions-foreground-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_OPAQUE, OPACITY_SEMI]
+ },
+
+ // Options for this object are defined below.
+ windowColor: {
+ selector: '.vjs-window-color > select',
+ id: 'captions-window-color-%s',
+ label: 'Color'
+ },
+
+ // Options for this object are defined below.
+ windowOpacity: {
+ selector: '.vjs-window-opacity > select',
+ id: 'captions-window-opacity-%s',
+ label: 'Transparency',
+ options: [OPACITY_TRANS, OPACITY_SEMI, OPACITY_OPAQUE]
+ }
+ };
+
+ selectConfigs.windowColor.options = selectConfigs.backgroundColor.options;
+
+ /**
+ * Get the actual value of an option.
+ *
+ * @param {string} value
+ * The value to get
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ * - Will be `undefined` if no value exists
+ * - Will be `undefined` if the given value is "none".
+ * - Will be the actual value otherwise.
+ *
+ * @private
+ */
+ function parseOptionValue(value, parser) {
+ if (parser) {
+ value = parser(value);
+ }
+
+ if (value && value !== 'none') {
+ return value;
+ }
+ }
+
+ /**
+ * Gets the value of the selected <option> element within a <select> element.
+ *
+ * @param {Element} el
+ * the element to look in
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value.
+ *
+ * @return {Mixed}
+ * - Will be `undefined` if no value exists
+ * - Will be `undefined` if the given value is "none".
+ * - Will be the actual value otherwise.
+ *
+ * @private
+ */
+ function getSelectedOptionValue(el, parser) {
+ var value = el.options[el.options.selectedIndex].value;
+
+ return parseOptionValue(value, parser);
+ }
+
+ /**
+ * Sets the selected <option> element within a <select> element based on a
+ * given value.
+ *
+ * @param {Element} el
+ * The element to look in.
+ *
+ * @param {string} value
+ * the property to look on.
+ *
+ * @param {Function} [parser]
+ * Optional function to adjust the value before comparing.
+ *
+ * @private
+ */
+ function setSelectedOption(el, value, parser) {
+ if (!value) {
+ return;
+ }
+
+ for (var i = 0; i < el.options.length; i++) {
+ if (parseOptionValue(el.options[i].value, parser) === value) {
+ el.selectedIndex = i;
+ break;
+ }
+ }
+ }
+
+ /**
+ * Manipulate Text Tracks settings.
+ *
+ * @extends ModalDialog
+ */
+
+ var TextTrackSettings = function (_ModalDialog) {
+ inherits(TextTrackSettings, _ModalDialog);
+
+ /**
+ * Creates an instance of this class.
+ *
+ * @param {Player} player
+ * The `Player` that this class should be attached to.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ */
+ function TextTrackSettings(player, options) {
+ classCallCheck(this, TextTrackSettings);
+
+ options.temporary = false;
+
+ var _this = possibleConstructorReturn(this, _ModalDialog.call(this, player, options));
+
+ _this.updateDisplay = bind(_this, _this.updateDisplay);
+
+ // fill the modal and pretend we have opened it
+ _this.fill();
+ _this.hasBeenOpened_ = _this.hasBeenFilled_ = true;
+
+ _this.endDialog = createEl('p', {
+ className: 'vjs-control-text',
+ textContent: _this.localize('End of dialog window.')
+ });
+ _this.el().appendChild(_this.endDialog);
+
+ _this.setDefaults();
+
+ // Grab `persistTextTrackSettings` from the player options if not passed in child options
+ if (options.persistTextTrackSettings === undefined) {
+ _this.options_.persistTextTrackSettings = _this.options_.playerOptions.persistTextTrackSettings;
+ }
+
+ _this.on(_this.$('.vjs-done-button'), 'click', function () {
+ _this.saveSettings();
+ _this.close();
+ });
+
+ _this.on(_this.$('.vjs-default-button'), 'click', function () {
+ _this.setDefaults();
+ _this.updateDisplay();
+ });
+
+ each(selectConfigs, function (config) {
+ _this.on(_this.$(config.selector), 'change', _this.updateDisplay);
+ });
+
+ if (_this.options_.persistTextTrackSettings) {
+ _this.restoreSettings();
+ }
+ return _this;
+ }
+
+ /**
+ * Create a <select> element with configured options.
+ *
+ * @param {string} key
+ * Configuration key to use during creation.
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElSelect_ = function createElSelect_(key) {
+ var _this2 = this;
+
+ var legendId = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
+ var type = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 'label';
+
+ var config = selectConfigs[key];
+ var id = config.id.replace('%s', this.id_);
+
+ return ['<' + type + ' id="' + id + '" class="' + (type === 'label' ? 'vjs-label' : '') + '">', this.localize(config.label), '</' + type + '>', '<select aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + '">'].concat(config.options.map(function (o) {
+ var optionId = id + '-' + o[1];
+
+ return ['<option id="' + optionId + '" value="' + o[0] + '" ', 'aria-labelledby="' + (legendId !== '' ? legendId + ' ' : '') + id + ' ' + optionId + '">', _this2.localize(o[1]), '</option>'].join('');
+ })).concat('</select>').join('');
+ };
+
+ /**
+ * Create foreground color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElFgColor_ = function createElFgColor_() {
+ var legendId = 'captions-text-legend-' + this.id_;
+
+ return ['<fieldset class="vjs-fg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Text'), '</legend>', this.createElSelect_('color', legendId), '<span class="vjs-text-opacity vjs-opacity">', this.createElSelect_('textOpacity', legendId), '</span>', '</fieldset>'].join('');
+ };
+
+ /**
+ * Create background color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElBgColor_ = function createElBgColor_() {
+ var legendId = 'captions-background-' + this.id_;
+
+ return ['<fieldset class="vjs-bg-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Background'), '</legend>', this.createElSelect_('backgroundColor', legendId), '<span class="vjs-bg-opacity vjs-opacity">', this.createElSelect_('backgroundOpacity', legendId), '</span>', '</fieldset>'].join('');
+ };
+
+ /**
+ * Create window color element for the component
+ *
+ * @return {string}
+ * An HTML string.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElWinColor_ = function createElWinColor_() {
+ var legendId = 'captions-window-' + this.id_;
+
+ return ['<fieldset class="vjs-window-color vjs-track-setting">', '<legend id="' + legendId + '">', this.localize('Window'), '</legend>', this.createElSelect_('windowColor', legendId), '<span class="vjs-window-opacity vjs-opacity">', this.createElSelect_('windowOpacity', legendId), '</span>', '</fieldset>'].join('');
+ };
+
+ /**
+ * Create color elements for the component
+ *
+ * @return {Element}
+ * The element that was created
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElColors_ = function createElColors_() {
+ return createEl('div', {
+ className: 'vjs-track-settings-colors',
+ innerHTML: [this.createElFgColor_(), this.createElBgColor_(), this.createElWinColor_()].join('')
+ });
+ };
+
+ /**
+ * Create font elements for the component
+ *
+ * @return {Element}
+ * The element that was created.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElFont_ = function createElFont_() {
+ return createEl('div', {
+ className: 'vjs-track-settings-font">',
+ innerHTML: ['<fieldset class="vjs-font-percent vjs-track-setting">', this.createElSelect_('fontPercent', '', 'legend'), '</fieldset>', '<fieldset class="vjs-edge-style vjs-track-setting">', this.createElSelect_('edgeStyle', '', 'legend'), '</fieldset>', '<fieldset class="vjs-font-family vjs-track-setting">', this.createElSelect_('fontFamily', '', 'legend'), '</fieldset>'].join('')
+ });
+ };
+
+ /**
+ * Create controls for the component
+ *
+ * @return {Element}
+ * The element that was created.
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.createElControls_ = function createElControls_() {
+ var defaultsDescription = this.localize('restore all settings to the default values');
+
+ return createEl('div', {
+ className: 'vjs-track-settings-controls',
+ innerHTML: ['<button class="vjs-default-button" title="' + defaultsDescription + '">', this.localize('Reset'), '<span class="vjs-control-text"> ' + defaultsDescription + '</span>', '</button>', '<button class="vjs-done-button">' + this.localize('Done') + '</button>'].join('')
+ });
+ };
+
+ TextTrackSettings.prototype.content = function content() {
+ return [this.createElColors_(), this.createElFont_(), this.createElControls_()];
+ };
+
+ TextTrackSettings.prototype.label = function label() {
+ return this.localize('Caption Settings Dialog');
+ };
+
+ TextTrackSettings.prototype.description = function description() {
+ return this.localize('Beginning of dialog window. Escape will cancel and close the window.');
+ };
+
+ TextTrackSettings.prototype.buildCSSClass = function buildCSSClass() {
+ return _ModalDialog.prototype.buildCSSClass.call(this) + ' vjs-text-track-settings';
+ };
+
+ /**
+ * Gets an object of text track settings (or null).
+ *
+ * @return {Object}
+ * An object with config values parsed from the DOM or localStorage.
+ */
+
+
+ TextTrackSettings.prototype.getValues = function getValues() {
+ var _this3 = this;
+
+ return reduce(selectConfigs, function (accum, config, key) {
+ var value = getSelectedOptionValue(_this3.$(config.selector), config.parser);
+
+ if (value !== undefined) {
+ accum[key] = value;
+ }
+
+ return accum;
+ }, {});
+ };
+
+ /**
+ * Sets text track settings from an object of values.
+ *
+ * @param {Object} values
+ * An object with config values parsed from the DOM or localStorage.
+ */
+
+
+ TextTrackSettings.prototype.setValues = function setValues(values) {
+ var _this4 = this;
+
+ each(selectConfigs, function (config, key) {
+ setSelectedOption(_this4.$(config.selector), values[key], config.parser);
+ });
+ };
+
+ /**
+ * Sets all `<select>` elements to their default values.
+ */
+
+
+ TextTrackSettings.prototype.setDefaults = function setDefaults() {
+ var _this5 = this;
+
+ each(selectConfigs, function (config) {
+ var index = config.hasOwnProperty('default') ? config['default'] : 0;
+
+ _this5.$(config.selector).selectedIndex = index;
+ });
+ };
+
+ /**
+ * Restore texttrack settings from localStorage
+ */
+
+
+ TextTrackSettings.prototype.restoreSettings = function restoreSettings() {
+ var values = void 0;
+
+ try {
+ values = JSON.parse(window_1.localStorage.getItem(LOCAL_STORAGE_KEY));
+ } catch (err) {
+ log$1.warn(err);
+ }
+
+ if (values) {
+ this.setValues(values);
+ }
+ };
+
+ /**
+ * Save text track settings to localStorage
+ */
+
+
+ TextTrackSettings.prototype.saveSettings = function saveSettings() {
+ if (!this.options_.persistTextTrackSettings) {
+ return;
+ }
+
+ var values = this.getValues();
+
+ try {
+ if (Object.keys(values).length) {
+ window_1.localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(values));
+ } else {
+ window_1.localStorage.removeItem(LOCAL_STORAGE_KEY);
+ }
+ } catch (err) {
+ log$1.warn(err);
+ }
+ };
+
+ /**
+ * Update display of text track settings
+ */
+
+
+ TextTrackSettings.prototype.updateDisplay = function updateDisplay() {
+ var ttDisplay = this.player_.getChild('textTrackDisplay');
+
+ if (ttDisplay) {
+ ttDisplay.updateDisplay();
+ }
+ };
+
+ /**
+ * conditionally blur the element and refocus the captions button
+ *
+ * @private
+ */
+
+
+ TextTrackSettings.prototype.conditionalBlur_ = function conditionalBlur_() {
+ this.previouslyActiveEl_ = null;
+ this.off(document_1, 'keydown', this.handleKeyDown);
+
+ var cb = this.player_.controlBar;
+ var subsCapsBtn = cb && cb.subsCapsButton;
+ var ccBtn = cb && cb.captionsButton;
+
+ if (subsCapsBtn) {
+ subsCapsBtn.focus();
+ } else if (ccBtn) {
+ ccBtn.focus();
+ }
+ };
+
+ return TextTrackSettings;
+ }(ModalDialog);
+
+ Component.registerComponent('TextTrackSettings', TextTrackSettings);
+
+ var _templateObject$2 = taggedTemplateLiteralLoose(['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.'], ['Text Tracks are being loaded from another origin but the crossorigin attribute isn\'t used.\n This may prevent text tracks from loading.']);
+
+ /**
+ * @file html5.js
+ */
+ /**
+ * HTML5 Media Controller - Wrapper for HTML5 Media API
+ *
+ * @mixes Tech~SouceHandlerAdditions
+ * @extends Tech
+ */
+
+ var Html5 = function (_Tech) {
+ inherits(Html5, _Tech);
+
+ /**
+ * Create an instance of this Tech.
+ *
+ * @param {Object} [options]
+ * The key/value store of player options.
+ *
+ * @param {Component~ReadyCallback} ready
+ * Callback function to call when the `HTML5` Tech is ready.
+ */
+ function Html5(options, ready) {
+ classCallCheck(this, Html5);
+
+ var _this = possibleConstructorReturn(this, _Tech.call(this, options, ready));
+
+ var source = options.source;
+ var crossoriginTracks = false;
+
+ // Set the source if one is provided
+ // 1) Check if the source is new (if not, we want to keep the original so playback isn't interrupted)
+ // 2) Check to see if the network state of the tag was failed at init, and if so, reset the source
+ // anyway so the error gets fired.
+ if (source && (_this.el_.currentSrc !== source.src || options.tag && options.tag.initNetworkState_ === 3)) {
+ _this.setSource(source);
+ } else {
+ _this.handleLateInit_(_this.el_);
+ }
+
+ if (_this.el_.hasChildNodes()) {
+
+ var nodes = _this.el_.childNodes;
+ var nodesLength = nodes.length;
+ var removeNodes = [];
+
+ while (nodesLength--) {
+ var node = nodes[nodesLength];
+ var nodeName = node.nodeName.toLowerCase();
+
+ if (nodeName === 'track') {
+ if (!_this.featuresNativeTextTracks) {
+ // Empty video tag tracks so the built-in player doesn't use them also.
+ // This may not be fast enough to stop HTML5 browsers from reading the tags
+ // so we'll need to turn off any default tracks if we're manually doing
+ // captions and subtitles. videoElement.textTracks
+ removeNodes.push(node);
+ } else {
+ // store HTMLTrackElement and TextTrack to remote list
+ _this.remoteTextTrackEls().addTrackElement_(node);
+ _this.remoteTextTracks().addTrack(node.track);
+ _this.textTracks().addTrack(node.track);
+ if (!crossoriginTracks && !_this.el_.hasAttribute('crossorigin') && isCrossOrigin(node.src)) {
+ crossoriginTracks = true;
+ }
+ }
+ }
+ }
+
+ for (var i = 0; i < removeNodes.length; i++) {
+ _this.el_.removeChild(removeNodes[i]);
+ }
+ }
+
+ _this.proxyNativeTracks_();
+ if (_this.featuresNativeTextTracks && crossoriginTracks) {
+ log$1.warn(tsml(_templateObject$2));
+ }
+
+ // prevent iOS Safari from disabling metadata text tracks during native playback
+ _this.restoreMetadataTracksInIOSNativePlayer_();
+
+ // Determine if native controls should be used
+ // Our goal should be to get the custom controls on mobile solid everywhere
+ // so we can remove this all together. Right now this will block custom
+ // controls on touch enabled laptops like the Chrome Pixel
+ if ((TOUCH_ENABLED || IS_IPHONE || IS_NATIVE_ANDROID) && options.nativeControlsForTouch === true) {
+ _this.setControls(true);
+ }
+
+ // on iOS, we want to proxy `webkitbeginfullscreen` and `webkitendfullscreen`
+ // into a `fullscreenchange` event
+ _this.proxyWebkitFullscreen_();
+
+ _this.triggerReady();
+ return _this;
+ }
+
+ /**
+ * Dispose of `HTML5` media element and remove all tracks.
+ */
+
+
+ Html5.prototype.dispose = function dispose() {
+ Html5.disposeMediaElement(this.el_);
+ // tech will handle clearing of the emulated track list
+ _Tech.prototype.dispose.call(this);
+ };
+
+ /**
+ * When a captions track is enabled in the iOS Safari native player, all other
+ * tracks are disabled (including metadata tracks), which nulls all of their
+ * associated cue points. This will restore metadata tracks to their pre-fullscreen
+ * state in those cases so that cue points are not needlessly lost.
+ *
+ * @private
+ */
+
+
+ Html5.prototype.restoreMetadataTracksInIOSNativePlayer_ = function restoreMetadataTracksInIOSNativePlayer_() {
+ var textTracks = this.textTracks();
+ var metadataTracksPreFullscreenState = void 0;
+
+ // captures a snapshot of every metadata track's current state
+ var takeMetadataTrackSnapshot = function takeMetadataTrackSnapshot() {
+ metadataTracksPreFullscreenState = [];
+
+ for (var i = 0; i < textTracks.length; i++) {
+ var track = textTracks[i];
+
+ if (track.kind === 'metadata') {
+ metadataTracksPreFullscreenState.push({
+ track: track,
+ storedMode: track.mode
+ });
+ }
+ }
+ };
+
+ // snapshot each metadata track's initial state, and update the snapshot
+ // each time there is a track 'change' event
+ takeMetadataTrackSnapshot();
+ textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+
+ var restoreTrackMode = function restoreTrackMode() {
+ for (var i = 0; i < metadataTracksPreFullscreenState.length; i++) {
+ var storedTrack = metadataTracksPreFullscreenState[i];
+
+ if (storedTrack.track.mode === 'disabled' && storedTrack.track.mode !== storedTrack.storedMode) {
+ storedTrack.track.mode = storedTrack.storedMode;
+ }
+ }
+ // we only want this handler to be executed on the first 'change' event
+ textTracks.removeEventListener('change', restoreTrackMode);
+ };
+
+ // when we enter fullscreen playback, stop updating the snapshot and
+ // restore all track modes to their pre-fullscreen state
+ this.on('webkitbeginfullscreen', function () {
+ textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+
+ // remove the listener before adding it just in case it wasn't previously removed
+ textTracks.removeEventListener('change', restoreTrackMode);
+ textTracks.addEventListener('change', restoreTrackMode);
+ });
+
+ // start updating the snapshot again after leaving fullscreen
+ this.on('webkitendfullscreen', function () {
+ // remove the listener before adding it just in case it wasn't previously removed
+ textTracks.removeEventListener('change', takeMetadataTrackSnapshot);
+ textTracks.addEventListener('change', takeMetadataTrackSnapshot);
+
+ // remove the restoreTrackMode handler in case it wasn't triggered during fullscreen playback
+ textTracks.removeEventListener('change', restoreTrackMode);
+ });
+ };
+
+ /**
+ * Proxy all native track list events to our track lists if the browser we are playing
+ * in supports that type of track list.
+ *
+ * @private
+ */
+
+
+ Html5.prototype.proxyNativeTracks_ = function proxyNativeTracks_() {
+ var _this2 = this;
+
+ NORMAL.names.forEach(function (name) {
+ var props = NORMAL[name];
+ var elTracks = _this2.el()[props.getterName];
+ var techTracks = _this2[props.getterName]();
+
+ if (!_this2['featuresNative' + props.capitalName + 'Tracks'] || !elTracks || !elTracks.addEventListener) {
+ return;
+ }
+ var listeners = {
+ change: function change(e) {
+ techTracks.trigger({
+ type: 'change',
+ target: techTracks,
+ currentTarget: techTracks,
+ srcElement: techTracks
+ });
+ },
+ addtrack: function addtrack(e) {
+ techTracks.addTrack(e.track);
+ },
+ removetrack: function removetrack(e) {
+ techTracks.removeTrack(e.track);
+ }
+ };
+ var removeOldTracks = function removeOldTracks() {
+ var removeTracks = [];
+
+ for (var i = 0; i < techTracks.length; i++) {
+ var found = false;
+
+ for (var j = 0; j < elTracks.length; j++) {
+ if (elTracks[j] === techTracks[i]) {
+ found = true;
+ break;
+ }
+ }
+
+ if (!found) {
+ removeTracks.push(techTracks[i]);
+ }
+ }
+
+ while (removeTracks.length) {
+ techTracks.removeTrack(removeTracks.shift());
+ }
+ };
+
+ Object.keys(listeners).forEach(function (eventName) {
+ var listener = listeners[eventName];
+
+ elTracks.addEventListener(eventName, listener);
+ _this2.on('dispose', function (e) {
+ return elTracks.removeEventListener(eventName, listener);
+ });
+ });
+
+ // Remove (native) tracks that are not used anymore
+ _this2.on('loadstart', removeOldTracks);
+ _this2.on('dispose', function (e) {
+ return _this2.off('loadstart', removeOldTracks);
+ });
+ });
+ };
+
+ /**
+ * Create the `Html5` Tech's DOM element.
+ *
+ * @return {Element}
+ * The element that gets created.
+ */
+
+
+ Html5.prototype.createEl = function createEl$$1() {
+ var el = this.options_.tag;
+
+ // Check if this browser supports moving the element into the box.
+ // On the iPhone video will break if you move the element,
+ // So we have to create a brand new element.
+ // If we ingested the player div, we do not need to move the media element.
+ if (!el || !(this.options_.playerElIngest || this.movingMediaElementInDOM)) {
+
+ // If the original tag is still there, clone and remove it.
+ if (el) {
+ var clone = el.cloneNode(true);
+
+ if (el.parentNode) {
+ el.parentNode.insertBefore(clone, el);
+ }
+ Html5.disposeMediaElement(el);
+ el = clone;
+ } else {
+ el = document_1.createElement('video');
+
+ // determine if native controls should be used
+ var tagAttributes = this.options_.tag && getAttributes(this.options_.tag);
+ var attributes = mergeOptions({}, tagAttributes);
+
+ if (!TOUCH_ENABLED || this.options_.nativeControlsForTouch !== true) {
+ delete attributes.controls;
+ }
+
+ setAttributes(el, assign(attributes, {
+ id: this.options_.techId,
+ 'class': 'vjs-tech'
+ }));
+ }
+
+ el.playerId = this.options_.playerId;
+ }
+
+ if (typeof this.options_.preload !== 'undefined') {
+ setAttribute(el, 'preload', this.options_.preload);
+ }
+
+ // Update specific tag settings, in case they were overridden
+ // `autoplay` has to be *last* so that `muted` and `playsinline` are present
+ // when iOS/Safari or other browsers attempt to autoplay.
+ var settingsAttrs = ['loop', 'muted', 'playsinline', 'autoplay'];
+
+ for (var i = settingsAttrs.length - 1; i >= 0; i--) {
+ var attr = settingsAttrs[i];
+ var value = this.options_[attr];
+
+ if (typeof value !== 'undefined') {
+ if (value) {
+ setAttribute(el, attr, attr);
+ } else {
+ removeAttribute(el, attr);
+ }
+ el[attr] = value;
+ }
+ }
+
+ return el;
+ };
+
+ /**
+ * This will be triggered if the loadstart event has already fired, before videojs was
+ * ready. Two known examples of when this can happen are:
+ * 1. If we're loading the playback object after it has started loading
+ * 2. The media is already playing the (often with autoplay on) then
+ *
+ * This function will fire another loadstart so that videojs can catchup.
+ *
+ * @fires Tech#loadstart
+ *
+ * @return {undefined}
+ * returns nothing.
+ */
+
+
+ Html5.prototype.handleLateInit_ = function handleLateInit_(el) {
+ if (el.networkState === 0 || el.networkState === 3) {
+ // The video element hasn't started loading the source yet
+ // or didn't find a source
+ return;
+ }
+
+ if (el.readyState === 0) {
+ // NetworkState is set synchronously BUT loadstart is fired at the
+ // end of the current stack, usually before setInterval(fn, 0).
+ // So at this point we know loadstart may have already fired or is
+ // about to fire, and either way the player hasn't seen it yet.
+ // We don't want to fire loadstart prematurely here and cause a
+ // double loadstart so we'll wait and see if it happens between now
+ // and the next loop, and fire it if not.
+ // HOWEVER, we also want to make sure it fires before loadedmetadata
+ // which could also happen between now and the next loop, so we'll
+ // watch for that also.
+ var loadstartFired = false;
+ var setLoadstartFired = function setLoadstartFired() {
+ loadstartFired = true;
+ };
+
+ this.on('loadstart', setLoadstartFired);
+
+ var triggerLoadstart = function triggerLoadstart() {
+ // We did miss the original loadstart. Make sure the player
+ // sees loadstart before loadedmetadata
+ if (!loadstartFired) {
+ this.trigger('loadstart');
+ }
+ };
+
+ this.on('loadedmetadata', triggerLoadstart);
+
+ this.ready(function () {
+ this.off('loadstart', setLoadstartFired);
+ this.off('loadedmetadata', triggerLoadstart);
+
+ if (!loadstartFired) {
+ // We did miss the original native loadstart. Fire it now.
+ this.trigger('loadstart');
+ }
+ });
+
+ return;
+ }
+
+ // From here on we know that loadstart already fired and we missed it.
+ // The other readyState events aren't as much of a problem if we double
+ // them, so not going to go to as much trouble as loadstart to prevent
+ // that unless we find reason to.
+ var eventsToTrigger = ['loadstart'];
+
+ // loadedmetadata: newly equal to HAVE_METADATA (1) or greater
+ eventsToTrigger.push('loadedmetadata');
+
+ // loadeddata: newly increased to HAVE_CURRENT_DATA (2) or greater
+ if (el.readyState >= 2) {
+ eventsToTrigger.push('loadeddata');
+ }
+
+ // canplay: newly increased to HAVE_FUTURE_DATA (3) or greater
+ if (el.readyState >= 3) {
+ eventsToTrigger.push('canplay');
+ }
+
+ // canplaythrough: newly equal to HAVE_ENOUGH_DATA (4)
+ if (el.readyState >= 4) {
+ eventsToTrigger.push('canplaythrough');
+ }
+
+ // We still need to give the player time to add event listeners
+ this.ready(function () {
+ eventsToTrigger.forEach(function (type) {
+ this.trigger(type);
+ }, this);
+ });
+ };
+
+ /**
+ * Set current time for the `HTML5` tech.
+ *
+ * @param {number} seconds
+ * Set the current time of the media to this.
+ */
+
+
+ Html5.prototype.setCurrentTime = function setCurrentTime(seconds) {
+ try {
+ this.el_.currentTime = seconds;
+ } catch (e) {
+ log$1(e, 'Video is not ready. (Video.js)');
+ // this.warning(VideoJS.warnings.videoNotReady);
+ }
+ };
+
+ /**
+ * Get the current duration of the HTML5 media element.
+ *
+ * @return {number}
+ * The duration of the media or 0 if there is no duration.
+ */
+
+
+ Html5.prototype.duration = function duration() {
+ var _this3 = this;
+
+ // Android Chrome will report duration as Infinity for VOD HLS until after
+ // playback has started, which triggers the live display erroneously.
+ // Return NaN if playback has not started and trigger a durationupdate once
+ // the duration can be reliably known.
+ if (this.el_.duration === Infinity && IS_ANDROID && IS_CHROME && this.el_.currentTime === 0) {
+ // Wait for the first `timeupdate` with currentTime > 0 - there may be
+ // several with 0
+ var checkProgress = function checkProgress() {
+ if (_this3.el_.currentTime > 0) {
+ // Trigger durationchange for genuinely live video
+ if (_this3.el_.duration === Infinity) {
+ _this3.trigger('durationchange');
+ }
+ _this3.off('timeupdate', checkProgress);
+ }
+ };
+
+ this.on('timeupdate', checkProgress);
+ return NaN;
+ }
+ return this.el_.duration || NaN;
+ };
+
+ /**
+ * Get the current width of the HTML5 media element.
+ *
+ * @return {number}
+ * The width of the HTML5 media element.
+ */
+
+
+ Html5.prototype.width = function width() {
+ return this.el_.offsetWidth;
+ };
+
+ /**
+ * Get the current height of the HTML5 media element.
+ *
+ * @return {number}
+ * The heigth of the HTML5 media element.
+ */
+
+
+ Html5.prototype.height = function height() {
+ return this.el_.offsetHeight;
+ };
+
+ /**
+ * Proxy iOS `webkitbeginfullscreen` and `webkitendfullscreen` into
+ * `fullscreenchange` event.
+ *
+ * @private
+ * @fires fullscreenchange
+ * @listens webkitendfullscreen
+ * @listens webkitbeginfullscreen
+ * @listens webkitbeginfullscreen
+ */
+
+
+ Html5.prototype.proxyWebkitFullscreen_ = function proxyWebkitFullscreen_() {
+ var _this4 = this;
+
+ if (!('webkitDisplayingFullscreen' in this.el_)) {
+ return;
+ }
+
+ var endFn = function endFn() {
+ this.trigger('fullscreenchange', {isFullscreen: false});
+ };
+
+ var beginFn = function beginFn() {
+ if ('webkitPresentationMode' in this.el_ && this.el_.webkitPresentationMode !== 'picture-in-picture') {
+ this.one('webkitendfullscreen', endFn);
+
+ this.trigger('fullscreenchange', {isFullscreen: true});
+ }
+ };
+
+ this.on('webkitbeginfullscreen', beginFn);
+ this.on('dispose', function () {
+ _this4.off('webkitbeginfullscreen', beginFn);
+ _this4.off('webkitendfullscreen', endFn);
+ });
+ };
+
+ /**
+ * Check if fullscreen is supported on the current playback device.
+ *
+ * @return {boolean}
+ * - True if fullscreen is supported.
+ * - False if fullscreen is not supported.
+ */
+
+
+ Html5.prototype.supportsFullScreen = function supportsFullScreen() {
+ if (typeof this.el_.webkitEnterFullScreen === 'function') {
+ var userAgent = window_1.navigator && window_1.navigator.userAgent || '';
+
+ // Seems to be broken in Chromium/Chrome && Safari in Leopard
+ if (/Android/.test(userAgent) || !/Chrome|Mac OS X 10.5/.test(userAgent)) {
+ return true;
+ }
+ }
+ return false;
+ };
+
+ /**
+ * Request that the `HTML5` Tech enter fullscreen.
+ */
+
+
+ Html5.prototype.enterFullScreen = function enterFullScreen() {
+ var video = this.el_;
+
+ if (video.paused && video.networkState <= video.HAVE_METADATA) {
+ // attempt to prime the video element for programmatic access
+ // this isn't necessary on the desktop but shouldn't hurt
+ this.el_.play();
+
+ // playing and pausing synchronously during the transition to fullscreen
+ // can get iOS ~6.1 devices into a play/pause loop
+ this.setTimeout(function () {
+ video.pause();
+ video.webkitEnterFullScreen();
+ }, 0);
+ } else {
+ video.webkitEnterFullScreen();
+ }
+ };
+
+ /**
+ * Request that the `HTML5` Tech exit fullscreen.
+ */
+
+
+ Html5.prototype.exitFullScreen = function exitFullScreen() {
+ this.el_.webkitExitFullScreen();
+ };
+
+ /**
+ * A getter/setter for the `Html5` Tech's source object.
+ * > Note: Please use {@link Html5#setSource}
+ *
+ * @param {Tech~SourceObject} [src]
+ * The source object you want to set on the `HTML5` techs element.
+ *
+ * @return {Tech~SourceObject|undefined}
+ * - The current source object when a source is not passed in.
+ * - undefined when setting
+ *
+ * @deprecated Since version 5.
+ */
+
+
+ Html5.prototype.src = function src(_src) {
+ if (_src === undefined) {
+ return this.el_.src;
+ }
+
+ // Setting src through `src` instead of `setSrc` will be deprecated
+ this.setSrc(_src);
+ };
+
+ /**
+ * Reset the tech by removing all sources and then calling
+ * {@link Html5.resetMediaElement}.
+ */
+
+
+ Html5.prototype.reset = function reset() {
+ Html5.resetMediaElement(this.el_);
+ };
+
+ /**
+ * Get the current source on the `HTML5` Tech. Falls back to returning the source from
+ * the HTML5 media element.
+ *
+ * @return {Tech~SourceObject}
+ * The current source object from the HTML5 tech. With a fallback to the
+ * elements source.
+ */
+
+
+ Html5.prototype.currentSrc = function currentSrc() {
+ if (this.currentSource_) {
+ return this.currentSource_.src;
+ }
+ return this.el_.currentSrc;
+ };
+
+ /**
+ * Set controls attribute for the HTML5 media Element.
+ *
+ * @param {string} val
+ * Value to set the controls attribute to
+ */
+
+
+ Html5.prototype.setControls = function setControls(val) {
+ this.el_.controls = !!val;
+ };
+
+ /**
+ * Create and returns a remote {@link TextTrack} object.
+ *
+ * @param {string} kind
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata)
+ *
+ * @param {string} [label]
+ * Label to identify the text track
+ *
+ * @param {string} [language]
+ * Two letter language abbreviation
+ *
+ * @return {TextTrack}
+ * The TextTrack that gets created.
+ */
+
+
+ Html5.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+ if (!this.featuresNativeTextTracks) {
+ return _Tech.prototype.addTextTrack.call(this, kind, label, language);
+ }
+
+ return this.el_.addTextTrack(kind, label, language);
+ };
+
+ /**
+ * Creates either native TextTrack or an emulated TextTrack depending
+ * on the value of `featuresNativeTextTracks`
+ *
+ * @param {Object} options
+ * The object should contain the options to intialize the TextTrack with.
+ *
+ * @param {string} [options.kind]
+ * `TextTrack` kind (subtitles, captions, descriptions, chapters, or metadata).
+ *
+ * @param {string} [options.label].
+ * Label to identify the text track
+ *
+ * @param {string} [options.language]
+ * Two letter language abbreviation.
+ *
+ * @param {boolean} [options.default]
+ * Default this track to on.
+ *
+ * @param {string} [options.id]
+ * The internal id to assign this track.
+ *
+ * @param {string} [options.src]
+ * A source url for the track.
+ *
+ * @return {HTMLTrackElement}
+ * The track element that gets created.
+ */
+
+
+ Html5.prototype.createRemoteTextTrack = function createRemoteTextTrack(options) {
+ if (!this.featuresNativeTextTracks) {
+ return _Tech.prototype.createRemoteTextTrack.call(this, options);
+ }
+ var htmlTrackElement = document_1.createElement('track');
+
+ if (options.kind) {
+ htmlTrackElement.kind = options.kind;
+ }
+ if (options.label) {
+ htmlTrackElement.label = options.label;
+ }
+ if (options.language || options.srclang) {
+ htmlTrackElement.srclang = options.language || options.srclang;
+ }
+ if (options['default']) {
+ htmlTrackElement['default'] = options['default'];
+ }
+ if (options.id) {
+ htmlTrackElement.id = options.id;
+ }
+ if (options.src) {
+ htmlTrackElement.src = options.src;
+ }
+
+ return htmlTrackElement;
+ };
+
+ /**
+ * Creates a remote text track object and returns an html track element.
+ *
+ * @param {Object} options The object should contain values for
+ * kind, language, label, and src (location of the WebVTT file)
+ * @param {Boolean} [manualCleanup=true] if set to false, the TextTrack will be
+ * automatically removed from the video element whenever the source changes
+ * @return {HTMLTrackElement} An Html Track Element.
+ * This can be an emulated {@link HTMLTrackElement} or a native one.
+ * @deprecated The default value of the "manualCleanup" parameter will default
+ * to "false" in upcoming versions of Video.js
+ */
+
+
+ Html5.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+ var htmlTrackElement = _Tech.prototype.addRemoteTextTrack.call(this, options, manualCleanup);
+
+ if (this.featuresNativeTextTracks) {
+ this.el().appendChild(htmlTrackElement);
+ }
+
+ return htmlTrackElement;
+ };
+
+ /**
+ * Remove remote `TextTrack` from `TextTrackList` object
+ *
+ * @param {TextTrack} track
+ * `TextTrack` object to remove
+ */
+
+
+ Html5.prototype.removeRemoteTextTrack = function removeRemoteTextTrack(track) {
+ _Tech.prototype.removeRemoteTextTrack.call(this, track);
+
+ if (this.featuresNativeTextTracks) {
+ var tracks = this.$$('track');
+
+ var i = tracks.length;
+
+ while (i--) {
+ if (track === tracks[i] || track === tracks[i].track) {
+ this.el().removeChild(tracks[i]);
+ }
+ }
+ }
+ };
+
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object}
+ * An object with supported media playback quality metrics
+ */
+
+
+ Html5.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ if (typeof this.el().getVideoPlaybackQuality === 'function') {
+ return this.el().getVideoPlaybackQuality();
+ }
+
+ var videoPlaybackQuality = {};
+
+ if (typeof this.el().webkitDroppedFrameCount !== 'undefined' && typeof this.el().webkitDecodedFrameCount !== 'undefined') {
+ videoPlaybackQuality.droppedVideoFrames = this.el().webkitDroppedFrameCount;
+ videoPlaybackQuality.totalVideoFrames = this.el().webkitDecodedFrameCount;
+ }
+
+ if (window_1.performance && typeof window_1.performance.now === 'function') {
+ videoPlaybackQuality.creationTime = window_1.performance.now();
+ } else if (window_1.performance && window_1.performance.timing && typeof window_1.performance.timing.navigationStart === 'number') {
+ videoPlaybackQuality.creationTime = window_1.Date.now() - window_1.performance.timing.navigationStart;
+ }
+
+ return videoPlaybackQuality;
+ };
+
+ return Html5;
+ }(Tech);
+
+ /* HTML5 Support Testing ---------------------------------------------------- */
+
+ if (isReal()) {
+
+ /**
+ * Element for testing browser HTML5 media capabilities
+ *
+ * @type {Element}
+ * @constant
+ * @private
+ */
+ Html5.TEST_VID = document_1.createElement('video');
+ var track = document_1.createElement('track');
+
+ track.kind = 'captions';
+ track.srclang = 'en';
+ track.label = 'English';
+ Html5.TEST_VID.appendChild(track);
+ }
+
+ /**
+ * Check if HTML5 media is supported by this browser/device.
+ *
+ * @return {boolean}
+ * - True if HTML5 media is supported.
+ * - False if HTML5 media is not supported.
+ */
+ Html5.isSupported = function () {
+ // IE9 with no Media Player is a LIAR! (#984)
+ try {
+ Html5.TEST_VID.volume = 0.5;
+ } catch (e) {
+ return false;
+ }
+
+ return !!(Html5.TEST_VID && Html5.TEST_VID.canPlayType);
+ };
+
+ /**
+ * Check if the tech can support the given type
+ *
+ * @param {string} type
+ * The mimetype to check
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+ Html5.canPlayType = function (type) {
+ return Html5.TEST_VID.canPlayType(type);
+ };
+
+ /**
+ * Check if the tech can support the given source
+ * @param {Object} srcObj
+ * The source object
+ * @param {Object} options
+ * The options passed to the tech
+ * @return {string} 'probably', 'maybe', or '' (empty string)
+ */
+ Html5.canPlaySource = function (srcObj, options) {
+ return Html5.canPlayType(srcObj.type);
+ };
+
+ /**
+ * Check if the volume can be changed in this browser/device.
+ * Volume cannot be changed in a lot of mobile devices.
+ * Specifically, it can't be changed from 1 on iOS.
+ *
+ * @return {boolean}
+ * - True if volume can be controlled
+ * - False otherwise
+ */
+ Html5.canControlVolume = function () {
+ // IE will error if Windows Media Player not installed #3315
+ try {
+ var volume = Html5.TEST_VID.volume;
+
+ Html5.TEST_VID.volume = volume / 2 + 0.1;
+ return volume !== Html5.TEST_VID.volume;
+ } catch (e) {
+ return false;
+ }
+ };
+
+ /**
+ * Check if the playback rate can be changed in this browser/device.
+ *
+ * @return {boolean}
+ * - True if playback rate can be controlled
+ * - False otherwise
+ */
+ Html5.canControlPlaybackRate = function () {
+ // Playback rate API is implemented in Android Chrome, but doesn't do anything
+ // https://github.com/videojs/video.js/issues/3180
+ if (IS_ANDROID && IS_CHROME && CHROME_VERSION < 58) {
+ return false;
+ }
+ // IE will error if Windows Media Player not installed #3315
+ try {
+ var playbackRate = Html5.TEST_VID.playbackRate;
+
+ Html5.TEST_VID.playbackRate = playbackRate / 2 + 0.1;
+ return playbackRate !== Html5.TEST_VID.playbackRate;
+ } catch (e) {
+ return false;
+ }
+ };
+
+ /**
+ * Check to see if native `TextTrack`s are supported by this browser/device.
+ *
+ * @return {boolean}
+ * - True if native `TextTrack`s are supported.
+ * - False otherwise
+ */
+ Html5.supportsNativeTextTracks = function () {
+ return IS_ANY_SAFARI;
+ };
+
+ /**
+ * Check to see if native `VideoTrack`s are supported by this browser/device
+ *
+ * @return {boolean}
+ * - True if native `VideoTrack`s are supported.
+ * - False otherwise
+ */
+ Html5.supportsNativeVideoTracks = function () {
+ return !!(Html5.TEST_VID && Html5.TEST_VID.videoTracks);
+ };
+
+ /**
+ * Check to see if native `AudioTrack`s are supported by this browser/device
+ *
+ * @return {boolean}
+ * - True if native `AudioTrack`s are supported.
+ * - False otherwise
+ */
+ Html5.supportsNativeAudioTracks = function () {
+ return !!(Html5.TEST_VID && Html5.TEST_VID.audioTracks);
+ };
+
+ /**
+ * An array of events available on the Html5 tech.
+ *
+ * @private
+ * @type {Array}
+ */
+ Html5.Events = ['loadstart', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'loadedmetadata', 'loadeddata', 'canplay', 'canplaythrough', 'playing', 'waiting', 'seeking', 'seeked', 'ended', 'durationchange', 'timeupdate', 'progress', 'play', 'pause', 'ratechange', 'resize', 'volumechange'];
+
+ /**
+ * Boolean indicating whether the `Tech` supports volume control.
+ *
+ * @type {boolean}
+ * @default {@link Html5.canControlVolume}
+ */
+ Html5.prototype.featuresVolumeControl = Html5.canControlVolume();
+
+ /**
+ * Boolean indicating whether the `Tech` supports changing the speed at which the media
+ * plays. Examples:
+ * - Set player to play 2x (twice) as fast
+ * - Set player to play 0.5x (half) as fast
+ *
+ * @type {boolean}
+ * @default {@link Html5.canControlPlaybackRate}
+ */
+ Html5.prototype.featuresPlaybackRate = Html5.canControlPlaybackRate();
+
+ /**
+ * Boolean indicating whether the `HTML5` tech currently supports the media element
+ * moving in the DOM. iOS breaks if you move the media element, so this is set this to
+ * false there. Everywhere else this should be true.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Html5.prototype.movingMediaElementInDOM = !IS_IOS;
+
+// TODO: Previous comment: No longer appears to be used. Can probably be removed.
+// Is this true?
+ /**
+ * Boolean indicating whether the `HTML5` tech currently supports automatic media resize
+ * when going into fullscreen.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Html5.prototype.featuresFullscreenResize = true;
+
+ /**
+ * Boolean indicating whether the `HTML5` tech currently supports the progress event.
+ * If this is false, manual `progress` events will be triggred instead.
+ *
+ * @type {boolean}
+ * @default
+ */
+ Html5.prototype.featuresProgressEvents = true;
+
+ /**
+ * Boolean indicating whether the `HTML5` tech currently supports the timeupdate event.
+ * If this is false, manual `timeupdate` events will be triggred instead.
+ *
+ * @default
+ */
+ Html5.prototype.featuresTimeupdateEvents = true;
+
+ /**
+ * Boolean indicating whether the `HTML5` tech currently supports native `TextTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeTextTracks}
+ */
+ Html5.prototype.featuresNativeTextTracks = Html5.supportsNativeTextTracks();
+
+ /**
+ * Boolean indicating whether the `HTML5` tech currently supports native `VideoTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeVideoTracks}
+ */
+ Html5.prototype.featuresNativeVideoTracks = Html5.supportsNativeVideoTracks();
+
+ /**
+ * Boolean indicating whether the `HTML5` tech currently supports native `AudioTrack`s.
+ *
+ * @type {boolean}
+ * @default {@link Html5.supportsNativeAudioTracks}
+ */
+ Html5.prototype.featuresNativeAudioTracks = Html5.supportsNativeAudioTracks();
+
+// HTML5 Feature detection and Device Fixes --------------------------------- //
+ var canPlayType = Html5.TEST_VID && Html5.TEST_VID.constructor.prototype.canPlayType;
+ var mpegurlRE = /^application\/(?:x-|vnd\.apple\.)mpegurl/i;
+ var mp4RE = /^video\/mp4/i;
+
+ Html5.patchCanPlayType = function () {
+
+ // Android 4.0 and above can play HLS to some extent but it reports being unable to do so
+ if (ANDROID_VERSION >= 4.0 && !IS_FIREFOX) {
+ Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
+ if (type && mpegurlRE.test(type)) {
+ return 'maybe';
+ }
+ return canPlayType.call(this, type);
+ };
+
+ // Override Android 2.2 and less canPlayType method which is broken
+ } else if (IS_OLD_ANDROID) {
+ Html5.TEST_VID.constructor.prototype.canPlayType = function (type) {
+ if (type && mp4RE.test(type)) {
+ return 'maybe';
+ }
+ return canPlayType.call(this, type);
+ };
+ }
+ };
+
+ Html5.unpatchCanPlayType = function () {
+ var r = Html5.TEST_VID.constructor.prototype.canPlayType;
+
+ Html5.TEST_VID.constructor.prototype.canPlayType = canPlayType;
+ return r;
+ };
+
+// by default, patch the media element
+ Html5.patchCanPlayType();
+
+ Html5.disposeMediaElement = function (el) {
+ if (!el) {
+ return;
+ }
+
+ if (el.parentNode) {
+ el.parentNode.removeChild(el);
+ }
+
+ // remove any child track or source nodes to prevent their loading
+ while (el.hasChildNodes()) {
+ el.removeChild(el.firstChild);
+ }
+
+ // remove any src reference. not setting `src=''` because that causes a warning
+ // in firefox
+ el.removeAttribute('src');
+
+ // force the media element to update its loading state by calling load()
+ // however IE on Windows 7N has a bug that throws an error so need a try/catch (#793)
+ if (typeof el.load === 'function') {
+ // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+ (function () {
+ try {
+ el.load();
+ } catch (e) {
+ // not supported
+ }
+ })();
+ }
+ };
+
+ Html5.resetMediaElement = function (el) {
+ if (!el) {
+ return;
+ }
+
+ var sources = el.querySelectorAll('source');
+ var i = sources.length;
+
+ while (i--) {
+ el.removeChild(sources[i]);
+ }
+
+ // remove any src reference.
+ // not setting `src=''` because that throws an error
+ el.removeAttribute('src');
+
+ if (typeof el.load === 'function') {
+ // wrapping in an iife so it's not deoptimized (#1060#discussion_r10324473)
+ (function () {
+ try {
+ el.load();
+ } catch (e) {
+ // satisfy linter
+ }
+ })();
+ }
+ };
+
+ /* Native HTML5 element property wrapping ----------------------------------- */
+// Wrap native boolean attributes with getters that check both property and attribute
+// The list is as followed:
+// muted, defaultMuted, autoplay, controls, loop, playsinline
+ [
+ /**
+ * Get the value of `muted` from the media element. `muted` indicates
+ * that the volume for the media should be set to silent. This does not actually change
+ * the `volume` attribute.
+ *
+ * @method Html5#muted
+ * @return {boolean}
+ * - True if the value of `volume` should be ignored and the audio set to silent.
+ * - False if the value of `volume` should be used.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
+ */
+ 'muted',
+
+ /**
+ * Get the value of `defaultMuted` from the media element. `defaultMuted` indicates
+ * whether the media should start muted or not. Only changes the default state of the
+ * media. `muted` and `defaultMuted` can have different values. {@link Html5#muted} indicates the
+ * current state.
+ *
+ * @method Html5#defaultMuted
+ * @return {boolean}
+ * - The value of `defaultMuted` from the media element.
+ * - True indicates that the media should start muted.
+ * - False indicates that the media should not start muted
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
+ */
+ 'defaultMuted',
+
+ /**
+ * Get the value of `autoplay` from the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
+ *
+ * @method Html5#autoplay
+ * @return {boolean}
+ * - The value of `autoplay` from the media element.
+ * - True indicates that the media should start as soon as the page loads.
+ * - False indicates that the media should not start as soon as the page loads.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
+ */
+ 'autoplay',
+
+ /**
+ * Get the value of `controls` from the media element. `controls` indicates
+ * whether the native media controls should be shown or hidden.
+ *
+ * @method Html5#controls
+ * @return {boolean}
+ * - The value of `controls` from the media element.
+ * - True indicates that native controls should be showing.
+ * - False indicates that native controls should be hidden.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-controls}
+ */
+ 'controls',
+
+ /**
+ * Get the value of `loop` from the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
+ *
+ * @method Html5#loop
+ * @return {boolean}
+ * - The value of `loop` from the media element.
+ * - True indicates that playback should seek back to start once
+ * the end of a media is reached.
+ * - False indicates that playback should not loop back to the start when the
+ * end of the media is reached.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
+ */
+ 'loop',
+
+ /**
+ * Get the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
+ *
+ * @method Html5#playsinline
+ * @return {boolean}
+ * - The value of `playsinline` from the media element.
+ * - True indicates that the media should play inline.
+ * - False indicates that the media should not play inline.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+ 'playsinline'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop] || this.el_.hasAttribute(prop);
+ };
+ });
+
+// Wrap native boolean attributes with setters that set both property and attribute
+// The list is as followed:
+// setMuted, setDefaultMuted, setAutoplay, setLoop, setPlaysinline
+// setControls is special-cased above
+ [
+ /**
+ * Set the value of `muted` on the media element. `muted` indicates that the current
+ * audio level should be silent.
+ *
+ * @method Html5#setMuted
+ * @param {boolean} muted
+ * - True if the audio should be set to silent
+ * - False otherwise
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-muted}
+ */
+ 'muted',
+
+ /**
+ * Set the value of `defaultMuted` on the media element. `defaultMuted` indicates that the current
+ * audio level should be silent, but will only effect the muted level on intial playback..
+ *
+ * @method Html5.prototype.setDefaultMuted
+ * @param {boolean} defaultMuted
+ * - True if the audio should be set to silent
+ * - False otherwise
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultmuted}
+ */
+ 'defaultMuted',
+
+ /**
+ * Set the value of `autoplay` on the media element. `autoplay` indicates
+ * that the media should start to play as soon as the page is ready.
+ *
+ * @method Html5#setAutoplay
+ * @param {boolean} autoplay
+ * - True indicates that the media should start as soon as the page loads.
+ * - False indicates that the media should not start as soon as the page loads.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-autoplay}
+ */
+ 'autoplay',
+
+ /**
+ * Set the value of `loop` on the media element. `loop` indicates
+ * that the media should return to the start of the media and continue playing once
+ * it reaches the end.
+ *
+ * @method Html5#setLoop
+ * @param {boolean} loop
+ * - True indicates that playback should seek back to start once
+ * the end of a media is reached.
+ * - False indicates that playback should not loop back to the start when the
+ * end of the media is reached.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-loop}
+ */
+ 'loop',
+
+ /**
+ * Set the value of `playsinline` from the media element. `playsinline` indicates
+ * to the browser that non-fullscreen playback is preferred when fullscreen
+ * playback is the native default, such as in iOS Safari.
+ *
+ * @method Html5#setPlaysinline
+ * @param {boolean} playsinline
+ * - True indicates that the media should play inline.
+ * - False indicates that the media should not play inline.
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+ 'playsinline'].forEach(function (prop) {
+ Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+ this.el_[prop] = v;
+
+ if (v) {
+ this.el_.setAttribute(prop, prop);
+ } else {
+ this.el_.removeAttribute(prop);
+ }
+ };
+ });
+
+// Wrap native properties with a getter
+// The list is as followed
+// paused, currentTime, buffered, volume, poster, preload, error, seeking
+// seekable, ended, playbackRate, defaultPlaybackRate, played, networkState
+// readyState, videoWidth, videoHeight
+ [
+ /**
+ * Get the value of `paused` from the media element. `paused` indicates whether the media element
+ * is currently paused or not.
+ *
+ * @method Html5#paused
+ * @return {boolean}
+ * The value of `paused` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-paused}
+ */
+ 'paused',
+
+ /**
+ * Get the value of `currentTime` from the media element. `currentTime` indicates
+ * the current second that the media is at in playback.
+ *
+ * @method Html5#currentTime
+ * @return {number}
+ * The value of `currentTime` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-currenttime}
+ */
+ 'currentTime',
+
+ /**
+ * Get the value of `buffered` from the media element. `buffered` is a `TimeRange`
+ * object that represents the parts of the media that are already downloaded and
+ * available for playback.
+ *
+ * @method Html5#buffered
+ * @return {TimeRange}
+ * The value of `buffered` from the media element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-buffered}
+ */
+ 'buffered',
+
+ /**
+ * Get the value of `volume` from the media element. `volume` indicates
+ * the current playback volume of audio for a media. `volume` will be a value from 0
+ * (silent) to 1 (loudest and default).
+ *
+ * @method Html5#volume
+ * @return {number}
+ * The value of `volume` from the media element. Value will be between 0-1.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+ 'volume',
+
+ /**
+ * Get the value of `poster` from the media element. `poster` indicates
+ * that the url of an image file that can/will be shown when no media data is available.
+ *
+ * @method Html5#poster
+ * @return {string}
+ * The value of `poster` from the media element. Value will be a url to an
+ * image.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-video-poster}
+ */
+ 'poster',
+
+ /**
+ * Get the value of `preload` from the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ * media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ * interaction
+ *
+ * @method Html5#preload
+ * @return {string}
+ * The value of `preload` from the media element. Will be 'none', 'metadata',
+ * or 'auto'.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+ 'preload',
+
+ /**
+ * Get the value of the `error` from the media element. `error` indicates any
+ * MediaError that may have occured during playback. If error returns null there is no
+ * current error.
+ *
+ * @method Html5#error
+ * @return {MediaError|null}
+ * The value of `error` from the media element. Will be `MediaError` if there
+ * is a current error and null otherwise.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-error}
+ */
+ 'error',
+
+ /**
+ * Get the value of `seeking` from the media element. `seeking` indicates whether the
+ * media is currently seeking to a new position or not.
+ *
+ * @method Html5#seeking
+ * @return {boolean}
+ * - The value of `seeking` from the media element.
+ * - True indicates that the media is currently seeking to a new position.
+ * - Flase indicates that the media is not seeking to a new position at this time.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seeking}
+ */
+ 'seeking',
+
+ /**
+ * Get the value of `seekable` from the media element. `seekable` returns a
+ * `TimeRange` object indicating ranges of time that can currently be `seeked` to.
+ *
+ * @method Html5#seekable
+ * @return {TimeRange}
+ * The value of `seekable` from the media element. A `TimeRange` object
+ * indicating the current ranges of time that can be seeked to.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-seekable}
+ */
+ 'seekable',
+
+ /**
+ * Get the value of `ended` from the media element. `ended` indicates whether
+ * the media has reached the end or not.
+ *
+ * @method Html5#ended
+ * @return {boolean}
+ * - The value of `ended` from the media element.
+ * - True indicates that the media has ended.
+ * - False indicates that the media has not ended.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-ended}
+ */
+ 'ended',
+
+ /**
+ * Get the value of `playbackRate` from the media element. `playbackRate` indicates
+ * the rate at which the media is currently playing back. Examples:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5#playbackRate
+ * @return {number}
+ * The value of `playbackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+ 'playbackRate',
+
+ /**
+ * Get the value of `defaultPlaybackRate` from the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media is currently playing back. This value will not indicate the current
+ * `playbackRate` after playback has started, use {@link Html5#playbackRate} for that.
+ *
+ * Examples:
+ * - if defaultPlaybackRate is set to 2, media will play twice as fast.
+ * - if defaultPlaybackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5.prototype.defaultPlaybackRate
+ * @return {number}
+ * The value of `defaultPlaybackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+ 'defaultPlaybackRate',
+
+ /**
+ * Get the value of `played` from the media element. `played` returns a `TimeRange`
+ * object representing points in the media timeline that have been played.
+ *
+ * @method Html5#played
+ * @return {TimeRange}
+ * The value of `played` from the media element. A `TimeRange` object indicating
+ * the ranges of time that have been played.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-played}
+ */
+ 'played',
+
+ /**
+ * Get the value of `networkState` from the media element. `networkState` indicates
+ * the current network state. It returns an enumeration from the following list:
+ * - 0: NETWORK_EMPTY
+ * - 1: NEWORK_IDLE
+ * - 2: NETWORK_LOADING
+ * - 3: NETWORK_NO_SOURCE
+ *
+ * @method Html5#networkState
+ * @return {number}
+ * The value of `networkState` from the media element. This will be a number
+ * from the list in the description.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-networkstate}
+ */
+ 'networkState',
+
+ /**
+ * Get the value of `readyState` from the media element. `readyState` indicates
+ * the current state of the media element. It returns an enumeration from the
+ * following list:
+ * - 0: HAVE_NOTHING
+ * - 1: HAVE_METADATA
+ * - 2: HAVE_CURRENT_DATA
+ * - 3: HAVE_FUTURE_DATA
+ * - 4: HAVE_ENOUGH_DATA
+ *
+ * @method Html5#readyState
+ * @return {number}
+ * The value of `readyState` from the media element. This will be a number
+ * from the list in the description.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#ready-states}
+ */
+ 'readyState',
+
+ /**
+ * Get the value of `videoWidth` from the video element. `videoWidth` indicates
+ * the current width of the video in css pixels.
+ *
+ * @method Html5#videoWidth
+ * @return {number}
+ * The value of `videoWidth` from the video element. This will be a number
+ * in css pixels.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+ 'videoWidth',
+
+ /**
+ * Get the value of `videoHeight` from the video element. `videoHeigth` indicates
+ * the current height of the video in css pixels.
+ *
+ * @method Html5#videoHeight
+ * @return {number}
+ * The value of `videoHeight` from the video element. This will be a number
+ * in css pixels.
+ *
+ * @see [Spec] {@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-video-videowidth}
+ */
+ 'videoHeight'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop];
+ };
+ });
+
+// Wrap native properties with a setter in this format:
+// set + toTitleCase(name)
+// The list is as follows:
+// setVolume, setSrc, setPoster, setPreload, setPlaybackRate, setDefaultPlaybackRate
+ [
+ /**
+ * Set the value of `volume` on the media element. `volume` indicates the current
+ * audio level as a percentage in decimal form. This means that 1 is 100%, 0.5 is 50%, and
+ * so on.
+ *
+ * @method Html5#setVolume
+ * @param {number} percentAsDecimal
+ * The volume percent as a decimal. Valid range is from 0-1.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-a-volume}
+ */
+ 'volume',
+
+ /**
+ * Set the value of `src` on the media element. `src` indicates the current
+ * {@link Tech~SourceObject} for the media.
+ *
+ * @method Html5#setSrc
+ * @param {Tech~SourceObject} src
+ * The source object to set as the current source.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-src}
+ */
+ 'src',
+
+ /**
+ * Set the value of `poster` on the media element. `poster` is the url to
+ * an image file that can/will be shown when no media data is available.
+ *
+ * @method Html5#setPoster
+ * @param {string} poster
+ * The url to an image that should be used as the `poster` for the media
+ * element.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-poster}
+ */
+ 'poster',
+
+ /**
+ * Set the value of `preload` on the media element. `preload` indicates
+ * what should download before the media is interacted with. It can have the following
+ * values:
+ * - none: nothing should be downloaded
+ * - metadata: poster and the first few frames of the media may be downloaded to get
+ * media dimensions and other metadata
+ * - auto: allow the media and metadata for the media to be downloaded before
+ * interaction
+ *
+ * @method Html5#setPreload
+ * @param {string} preload
+ * The value of `preload` to set on the media element. Must be 'none', 'metadata',
+ * or 'auto'.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#attr-media-preload}
+ */
+ 'preload',
+
+ /**
+ * Set the value of `playbackRate` on the media element. `playbackRate` indicates
+ * the rate at which the media should play back. Examples:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5#setPlaybackRate
+ * @return {number}
+ * The value of `playbackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-playbackrate}
+ */
+ 'playbackRate',
+
+ /**
+ * Set the value of `defaultPlaybackRate` on the media element. `defaultPlaybackRate` indicates
+ * the rate at which the media should play back upon initial startup. Changing this value
+ * after a video has started will do nothing. Instead you should used {@link Html5#setPlaybackRate}.
+ *
+ * Example Values:
+ * - if playbackRate is set to 2, media will play twice as fast.
+ * - if playbackRate is set to 0.5, media will play half as fast.
+ *
+ * @method Html5.prototype.setDefaultPlaybackRate
+ * @return {number}
+ * The value of `defaultPlaybackRate` from the media element. A number indicating
+ * the current playback speed of the media, where 1 is normal speed.
+ *
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-defaultplaybackrate}
+ */
+ 'defaultPlaybackRate'].forEach(function (prop) {
+ Html5.prototype['set' + toTitleCase(prop)] = function (v) {
+ this.el_[prop] = v;
+ };
+ });
+
+// wrap native functions with a function
+// The list is as follows:
+// pause, load play
+ [
+ /**
+ * A wrapper around the media elements `pause` function. This will call the `HTML5`
+ * media elements `pause` function.
+ *
+ * @method Html5#pause
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-pause}
+ */
+ 'pause',
+
+ /**
+ * A wrapper around the media elements `load` function. This will call the `HTML5`s
+ * media element `load` function.
+ *
+ * @method Html5#load
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-load}
+ */
+ 'load',
+
+ /**
+ * A wrapper around the media elements `play` function. This will call the `HTML5`s
+ * media element `play` function.
+ *
+ * @method Html5#play
+ * @see [Spec]{@link https://www.w3.org/TR/html5/embedded-content-0.html#dom-media-play}
+ */
+ 'play'].forEach(function (prop) {
+ Html5.prototype[prop] = function () {
+ return this.el_[prop]();
+ };
+ });
+
+ Tech.withSourceHandlers(Html5);
+
+ /**
+ * Native source handler for Html5, simply passes the source to the media element.
+ *
+ * @proprety {Tech~SourceObject} source
+ * The source object
+ *
+ * @proprety {Html5} tech
+ * The instance of the HTML5 tech.
+ */
+ Html5.nativeSourceHandler = {};
+
+ /**
+ * Check if the media element can play the given mime type.
+ *
+ * @param {string} type
+ * The mimetype to check
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+ Html5.nativeSourceHandler.canPlayType = function (type) {
+ // IE9 on Windows 7 without MediaPlayer throws an error here
+ // https://github.com/videojs/video.js/issues/519
+ try {
+ return Html5.TEST_VID.canPlayType(type);
+ } catch (e) {
+ return '';
+ }
+ };
+
+ /**
+ * Check if the media element can handle a source natively.
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Object} [options]
+ * Options to be passed to the tech.
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string).
+ */
+ Html5.nativeSourceHandler.canHandleSource = function (source, options) {
+
+ // If a type was provided we should rely on that
+ if (source.type) {
+ return Html5.nativeSourceHandler.canPlayType(source.type);
+
+ // If no type, fall back to checking 'video/[EXTENSION]'
+ } else if (source.src) {
+ var ext = getFileExtension(source.src);
+
+ return Html5.nativeSourceHandler.canPlayType('video/' + ext);
+ }
+
+ return '';
+ };
+
+ /**
+ * Pass the source to the native media element.
+ *
+ * @param {Tech~SourceObject} source
+ * The source object
+ *
+ * @param {Html5} tech
+ * The instance of the Html5 tech
+ *
+ * @param {Object} [options]
+ * The options to pass to the source
+ */
+ Html5.nativeSourceHandler.handleSource = function (source, tech, options) {
+ tech.setSrc(source.src);
+ };
+
+ /**
+ * A noop for the native dispose function, as cleanup is not needed.
+ */
+ Html5.nativeSourceHandler.dispose = function () {
+ };
+
+// Register the native source handler
+ Html5.registerSourceHandler(Html5.nativeSourceHandler);
+
+ Tech.registerTech('Html5', Html5);
+
+ var _templateObject$1 = taggedTemplateLiteralLoose(['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n '], ['\n Using the tech directly can be dangerous. I hope you know what you\'re doing.\n See https://github.com/videojs/video.js/issues/2617 for more info.\n ']);
+
+ /**
+ * @file player.js
+ */
+// Subclasses Component
+// The following imports are used only to ensure that the corresponding modules
+// are always included in the video.js package. Importing the modules will
+// execute them and they will register themselves with video.js.
+// Import Html5 tech, at least for disposing the original video tag.
+// The following tech events are simply re-triggered
+// on the player when they happen
+ var TECH_EVENTS_RETRIGGER = [
+ /**
+ * Fired while the user agent is downloading media data.
+ *
+ * @event Player#progress
+ * @type {EventTarget~Event}
+ */
+ /**
+ * Retrigger the `progress` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechProgress_
+ * @fires Player#progress
+ * @listens Tech#progress
+ */
+ 'progress',
+
+ /**
+ * Fires when the loading of an audio/video is aborted.
+ *
+ * @event Player#abort
+ * @type {EventTarget~Event}
+ */
+ /**
+ * Retrigger the `abort` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechAbort_
+ * @fires Player#abort
+ * @listens Tech#abort
+ */
+ 'abort',
+
+ /**
+ * Fires when the browser is intentionally not getting media data.
+ *
+ * @event Player#suspend
+ * @type {EventTarget~Event}
+ */
+ /**
+ * Retrigger the `suspend` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechSuspend_
+ * @fires Player#suspend
+ * @listens Tech#suspend
+ */
+ 'suspend',
+
+ /**
+ * Fires when the current playlist is empty.
+ *
+ * @event Player#emptied
+ * @type {EventTarget~Event}
+ */
+ /**
+ * Retrigger the `emptied` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechEmptied_
+ * @fires Player#emptied
+ * @listens Tech#emptied
+ */
+ 'emptied',
+ /**
+ * Fires when the browser is trying to get media data, but data is not available.
+ *
+ * @event Player#stalled
+ * @type {EventTarget~Event}
+ */
+ /**
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechStalled_
+ * @fires Player#stalled
+ * @listens Tech#stalled
+ */
+ 'stalled',
+
+ /**
+ * Fires when the browser has loaded meta data for the audio/video.
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
+ */
+ /**
+ * Retrigger the `stalled` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechLoadedmetadata_
+ * @fires Player#loadedmetadata
+ * @listens Tech#loadedmetadata
+ */
+ 'loadedmetadata',
+
+ /**
+ * Fires when the browser has loaded the current frame of the audio/video.
+ *
+ * @event Player#loadeddata
+ * @type {event}
+ */
+ /**
+ * Retrigger the `loadeddata` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechLoaddeddata_
+ * @fires Player#loadeddata
+ * @listens Tech#loadeddata
+ */
+ 'loadeddata',
+
+ /**
+ * Fires when the current playback position has changed.
+ *
+ * @event Player#timeupdate
+ * @type {event}
+ */
+ /**
+ * Retrigger the `timeupdate` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechTimeUpdate_
+ * @fires Player#timeupdate
+ * @listens Tech#timeupdate
+ */
+ 'timeupdate',
+
+ /**
+ * Fires when the playing speed of the audio/video is changed
+ *
+ * @event Player#ratechange
+ * @type {event}
+ */
+ /**
+ * Retrigger the `ratechange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechRatechange_
+ * @fires Player#ratechange
+ * @listens Tech#ratechange
+ */
+ 'ratechange',
+
+ /**
+ * Fires when the video's intrinsic dimensions change
+ *
+ * @event Player#resize
+ * @type {event}
+ */
+ /**
+ * Retrigger the `resize` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechResize_
+ * @fires Player#resize
+ * @listens Tech#resize
+ */
+ 'resize',
+
+ /**
+ * Fires when the volume has been changed
+ *
+ * @event Player#volumechange
+ * @type {event}
+ */
+ /**
+ * Retrigger the `volumechange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechVolumechange_
+ * @fires Player#volumechange
+ * @listens Tech#volumechange
+ */
+ 'volumechange',
+
+ /**
+ * Fires when the text track has been changed
+ *
+ * @event Player#texttrackchange
+ * @type {event}
+ */
+ /**
+ * Retrigger the `texttrackchange` event that was triggered by the {@link Tech}.
+ *
+ * @private
+ * @method Player#handleTechTexttrackchange_
+ * @fires Player#texttrackchange
+ * @listens Tech#texttrackchange
+ */
+ 'texttrackchange'];
+
+ /**
+ * An instance of the `Player` class is created when any of the Video.js setup methods
+ * are used to initialize a video.
+ *
+ * After an instance has been created it can be accessed globally in two ways:
+ * 1. By calling `videojs('example_video_1');`
+ * 2. By using it directly via `videojs.players.example_video_1;`
+ *
+ * @extends Component
+ */
+
+ var Player = function (_Component) {
+ inherits(Player, _Component);
+
+ /**
+ * Create an instance of this class.
+ *
+ * @param {Element} tag
+ * The original video DOM element used for configuring options.
+ *
+ * @param {Object} [options]
+ * Object of option names and values.
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Ready callback function.
+ */
+ function Player(tag, options, ready) {
+ classCallCheck(this, Player);
+
+ // Make sure tag ID exists
+ tag.id = tag.id || 'vjs_video_' + newGUID();
+
+ // Set Options
+ // The options argument overrides options set in the video tag
+ // which overrides globally set options.
+ // This latter part coincides with the load order
+ // (tag must exist before Player)
+ options = assign(Player.getTagSettings(tag), options);
+
+ // Delay the initialization of children because we need to set up
+ // player properties first, and can't use `this` before `super()`
+ options.initChildren = false;
+
+ // Same with creating the element
+ options.createEl = false;
+
+ // we don't want the player to report touch activity on itself
+ // see enableTouchActivity in Component
+ options.reportTouchActivity = false;
+
+ // If language is not set, get the closest lang attribute
+ if (!options.language) {
+ if (typeof tag.closest === 'function') {
+ var closest = tag.closest('[lang]');
+
+ if (closest) {
+ options.language = closest.getAttribute('lang');
+ }
+ } else {
+ var element = tag;
+
+ while (element && element.nodeType === 1) {
+ if (getAttributes(element).hasOwnProperty('lang')) {
+ options.language = element.getAttribute('lang');
+ break;
+ }
+ element = element.parentNode;
+ }
+ }
+ }
+
+ // Run base component initializing with new options
+
+ // Turn off API access because we're loading a new tech that might load asynchronously
+ var _this = possibleConstructorReturn(this, _Component.call(this, null, options, ready));
+
+ _this.isReady_ = false;
+
+ // Init state hasStarted_
+ _this.hasStarted_ = false;
+
+ // if the global option object was accidentally blown away by
+ // someone, bail early with an informative error
+ if (!_this.options_ || !_this.options_.techOrder || !_this.options_.techOrder.length) {
+ throw new Error('No techOrder specified. Did you overwrite ' + 'videojs.options instead of just changing the ' + 'properties you want to override?');
+ }
+
+ // Store the original tag used to set options
+ _this.tag = tag;
+
+ // Store the tag attributes used to restore html5 element
+ _this.tagAttributes = tag && getAttributes(tag);
+
+ // Update current language
+ _this.language(_this.options_.language);
+
+ // Update Supported Languages
+ if (options.languages) {
+ // Normalise player option languages to lowercase
+ var languagesToLower = {};
+
+ Object.getOwnPropertyNames(options.languages).forEach(function (name$$1) {
+ languagesToLower[name$$1.toLowerCase()] = options.languages[name$$1];
+ });
+ _this.languages_ = languagesToLower;
+ } else {
+ _this.languages_ = Player.prototype.options_.languages;
+ }
+
+ // Cache for video property values.
+ _this.cache_ = {};
+
+ // Set poster
+ _this.poster_ = options.poster || '';
+
+ // Set controls
+ _this.controls_ = !!options.controls;
+
+ // Set default values for lastVolume
+ _this.cache_.lastVolume = 1;
+
+ // Original tag settings stored in options
+ // now remove immediately so native controls don't flash.
+ // May be turned back on by HTML5 tech if nativeControlsForTouch is true
+ tag.controls = false;
+
+ /*
+ * Store the internal state of scrubbing
+ *
+ * @private
+ * @return {Boolean} True if the user is scrubbing
+ */
+ _this.scrubbing_ = false;
+
+ _this.el_ = _this.createEl();
+
+ // Make this an evented object and use `el_` as its event bus.
+ evented(_this, {eventBusKey: 'el_'});
+
+ // We also want to pass the original player options to each component and plugin
+ // as well so they don't need to reach back into the player for options later.
+ // We also need to do another copy of this.options_ so we don't end up with
+ // an infinite loop.
+ var playerOptionsCopy = mergeOptions(_this.options_);
+
+ // Load plugins
+ if (options.plugins) {
+ var plugins = options.plugins;
+
+ Object.keys(plugins).forEach(function (name$$1) {
+ if (typeof this[name$$1] === 'function') {
+ this[name$$1](plugins[name$$1]);
+ } else {
+ throw new Error('plugin "' + name$$1 + '" does not exist');
+ }
+ }, _this);
+ }
+
+ _this.options_.playerOptions = playerOptionsCopy;
+
+ _this.middleware_ = [];
+
+ _this.initChildren();
+
+ // Set isAudio based on whether or not an audio tag was used
+ _this.isAudio(tag.nodeName.toLowerCase() === 'audio');
+
+ // Update controls className. Can't do this when the controls are initially
+ // set because the element doesn't exist yet.
+ if (_this.controls()) {
+ _this.addClass('vjs-controls-enabled');
+ } else {
+ _this.addClass('vjs-controls-disabled');
+ }
+
+ // Set ARIA label and region role depending on player type
+ _this.el_.setAttribute('role', 'region');
+ if (_this.isAudio()) {
+ _this.el_.setAttribute('aria-label', _this.localize('Audio Player'));
+ } else {
+ _this.el_.setAttribute('aria-label', _this.localize('Video Player'));
+ }
+
+ if (_this.isAudio()) {
+ _this.addClass('vjs-audio');
+ }
+
+ if (_this.flexNotSupported_()) {
+ _this.addClass('vjs-no-flex');
+ }
+
+ // TODO: Make this smarter. Toggle user state between touching/mousing
+ // using events, since devices can have both touch and mouse events.
+ // if (browser.TOUCH_ENABLED) {
+ // this.addClass('vjs-touch-enabled');
+ // }
+
+ // iOS Safari has broken hover handling
+ if (!IS_IOS) {
+ _this.addClass('vjs-workinghover');
+ }
+
+ // Make player easily findable by ID
+ Player.players[_this.id_] = _this;
+
+ // Add a major version class to aid css in plugins
+ var majorVersion = version.split('.')[0];
+
+ _this.addClass('vjs-v' + majorVersion);
+
+ // When the player is first initialized, trigger activity so components
+ // like the control bar show themselves if needed
+ _this.userActive(true);
+ _this.reportUserActivity();
+ _this.listenForUserActivity_();
+
+ _this.on('fullscreenchange', _this.handleFullscreenChange_);
+ _this.on('stageclick', _this.handleStageClick_);
+
+ _this.changingSrc_ = false;
+ return _this;
+ }
+
+ /**
+ * Destroys the video player and does any necessary cleanup.
+ *
+ * This is especially helpful if you are dynamically adding and removing videos
+ * to/from the DOM.
+ *
+ * @fires Player#dispose
+ */
+
+
+ Player.prototype.dispose = function dispose() {
+ /**
+ * Called when the player is being disposed of.
+ *
+ * @event Player#dispose
+ * @type {EventTarget~Event}
+ */
+ this.trigger('dispose');
+ // prevent dispose from being called twice
+ this.off('dispose');
+
+ if (this.styleEl_ && this.styleEl_.parentNode) {
+ this.styleEl_.parentNode.removeChild(this.styleEl_);
+ }
+
+ // Kill reference to this player
+ Player.players[this.id_] = null;
+
+ if (this.tag && this.tag.player) {
+ this.tag.player = null;
+ }
+
+ if (this.el_ && this.el_.player) {
+ this.el_.player = null;
+ }
+
+ if (this.tech_) {
+ this.tech_.dispose();
+ }
+
+ _Component.prototype.dispose.call(this);
+ };
+
+ /**
+ * Create the `Player`'s DOM element.
+ *
+ * @return {Element}
+ * The DOM element that gets created.
+ */
+
+
+ Player.prototype.createEl = function createEl$$1() {
+ var tag = this.tag;
+ var el = void 0;
+ var playerElIngest = this.playerElIngest_ = tag.parentNode && tag.parentNode.hasAttribute && tag.parentNode.hasAttribute('data-vjs-player');
+
+ if (playerElIngest) {
+ el = this.el_ = tag.parentNode;
+ } else {
+ el = this.el_ = _Component.prototype.createEl.call(this, 'div');
+ }
+
+ // set tabindex to -1 so we could focus on the player element
+ tag.setAttribute('tabindex', '-1');
+
+ // Remove width/height attrs from tag so CSS can make it 100% width/height
+ tag.removeAttribute('width');
+ tag.removeAttribute('height');
+
+ // Copy over all the attributes from the tag, including ID and class
+ // ID will now reference player box, not the video tag
+ var attrs = getAttributes(tag);
+
+ Object.getOwnPropertyNames(attrs).forEach(function (attr) {
+ // workaround so we don't totally break IE7
+ // http://stackoverflow.com/questions/3653444/css-styles-not-applied-on-dynamic-elements-in-internet-explorer-7
+ if (attr === 'class') {
+ el.className += ' ' + attrs[attr];
+ } else {
+ el.setAttribute(attr, attrs[attr]);
+ }
+ });
+
+ // Update tag id/class for use as HTML5 playback tech
+ // Might think we should do this after embedding in container so .vjs-tech class
+ // doesn't flash 100% width/height, but class only applies with .video-js parent
+ tag.playerId = tag.id;
+ tag.id += '_html5_api';
+ tag.className = 'vjs-tech';
+
+ // Make player findable on elements
+ tag.player = el.player = this;
+ // Default state of video is paused
+ this.addClass('vjs-paused');
+
+ // Add a style element in the player that we'll use to set the width/height
+ // of the player in a way that's still overrideable by CSS, just like the
+ // video element
+ if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true) {
+ this.styleEl_ = createStyleElement('vjs-styles-dimensions');
+ var defaultsStyleEl = $('.vjs-styles-defaults');
+ var head = $('head');
+
+ head.insertBefore(this.styleEl_, defaultsStyleEl ? defaultsStyleEl.nextSibling : head.firstChild);
+ }
+
+ // Pass in the width/height/aspectRatio options which will update the style el
+ this.width(this.options_.width);
+ this.height(this.options_.height);
+ this.fluid(this.options_.fluid);
+ this.aspectRatio(this.options_.aspectRatio);
+
+ // Hide any links within the video/audio tag, because IE doesn't hide them completely.
+ var links = tag.getElementsByTagName('a');
+
+ for (var i = 0; i < links.length; i++) {
+ var linkEl = links.item(i);
+
+ addClass(linkEl, 'vjs-hidden');
+ linkEl.setAttribute('hidden', 'hidden');
+ }
+
+ // insertElFirst seems to cause the networkState to flicker from 3 to 2, so
+ // keep track of the original for later so we can know if the source originally failed
+ tag.initNetworkState_ = tag.networkState;
+
+ // Wrap video tag in div (el/box) container
+ if (tag.parentNode && !playerElIngest) {
+ tag.parentNode.insertBefore(el, tag);
+ }
+
+ // insert the tag as the first child of the player element
+ // then manually add it to the children array so that this.addChild
+ // will work properly for other components
+ //
+ // Breaks iPhone, fixed in HTML5 setup.
+ prependTo(tag, el);
+ this.children_.unshift(tag);
+
+ // Set lang attr on player to ensure CSS :lang() in consistent with player
+ // if it's been set to something different to the doc
+ this.el_.setAttribute('lang', this.language_);
+
+ this.el_ = el;
+
+ return el;
+ };
+
+ /**
+ * A getter/setter for the `Player`'s width. Returns the player's configured value.
+ * To get the current width use `currentWidth()`.
+ *
+ * @param {number} [value]
+ * The value to set the `Player`'s width to.
+ *
+ * @return {number}
+ * The current width of the `Player` when getting.
+ */
+
+
+ Player.prototype.width = function width(value) {
+ return this.dimension('width', value);
+ };
+
+ /**
+ * A getter/setter for the `Player`'s height. Returns the player's configured value.
+ * To get the current height use `currentheight()`.
+ *
+ * @param {number} [value]
+ * The value to set the `Player`'s heigth to.
+ *
+ * @return {number}
+ * The current height of the `Player` when getting.
+ */
+
+
+ Player.prototype.height = function height(value) {
+ return this.dimension('height', value);
+ };
+
+ /**
+ * A getter/setter for the `Player`'s width & height.
+ *
+ * @param {string} dimension
+ * This string can be:
+ * - 'width'
+ * - 'height'
+ *
+ * @param {number} [value]
+ * Value for dimension specified in the first argument.
+ *
+ * @return {number}
+ * The dimension arguments value when getting (width/height).
+ */
+
+
+ Player.prototype.dimension = function dimension(_dimension, value) {
+ var privDimension = _dimension + '_';
+
+ if (value === undefined) {
+ return this[privDimension] || 0;
+ }
+
+ if (value === '') {
+ // If an empty string is given, reset the dimension to be automatic
+ this[privDimension] = undefined;
+ this.updateStyleEl_();
+ return;
+ }
+
+ var parsedVal = parseFloat(value);
+
+ if (isNaN(parsedVal)) {
+ log$1.error('Improper value "' + value + '" supplied for for ' + _dimension);
+ return;
+ }
+
+ this[privDimension] = parsedVal;
+ this.updateStyleEl_();
+ };
+
+ /**
+ * A getter/setter/toggler for the vjs-fluid `className` on the `Player`.
+ *
+ * @param {boolean} [bool]
+ * - A value of true adds the class.
+ * - A value of false removes the class.
+ * - No value will toggle the fluid class.
+ *
+ * @return {boolean|undefined}
+ * - The value of fluid when getting.
+ * - `undefined` when setting.
+ */
+
+
+ Player.prototype.fluid = function fluid(bool) {
+ if (bool === undefined) {
+ return !!this.fluid_;
+ }
+
+ this.fluid_ = !!bool;
+
+ if (bool) {
+ this.addClass('vjs-fluid');
+ } else {
+ this.removeClass('vjs-fluid');
+ }
+
+ this.updateStyleEl_();
+ };
+
+ /**
+ * Get/Set the aspect ratio
+ *
+ * @param {string} [ratio]
+ * Aspect ratio for player
+ *
+ * @return {string|undefined}
+ * returns the current aspect ratio when getting
+ */
+
+ /**
+ * A getter/setter for the `Player`'s aspect ratio.
+ *
+ * @param {string} [ratio]
+ * The value to set the `Player's aspect ratio to.
+ *
+ * @return {string|undefined}
+ * - The current aspect ratio of the `Player` when getting.
+ * - undefined when setting
+ */
+
+
+ Player.prototype.aspectRatio = function aspectRatio(ratio) {
+ if (ratio === undefined) {
+ return this.aspectRatio_;
+ }
+
+ // Check for width:height format
+ if (!/^\d+\:\d+$/.test(ratio)) {
+ throw new Error('Improper value supplied for aspect ratio. The format should be width:height, for example 16:9.');
+ }
+ this.aspectRatio_ = ratio;
+
+ // We're assuming if you set an aspect ratio you want fluid mode,
+ // because in fixed mode you could calculate width and height yourself.
+ this.fluid(true);
+
+ this.updateStyleEl_();
+ };
+
+ /**
+ * Update styles of the `Player` element (height, width and aspect ratio).
+ *
+ * @private
+ * @listens Tech#loadedmetadata
+ */
+
+
+ Player.prototype.updateStyleEl_ = function updateStyleEl_() {
+ if (window_1.VIDEOJS_NO_DYNAMIC_STYLE === true) {
+ var _width = typeof this.width_ === 'number' ? this.width_ : this.options_.width;
+ var _height = typeof this.height_ === 'number' ? this.height_ : this.options_.height;
+ var techEl = this.tech_ && this.tech_.el();
+
+ if (techEl) {
+ if (_width >= 0) {
+ techEl.width = _width;
+ }
+ if (_height >= 0) {
+ techEl.height = _height;
+ }
+ }
+
+ return;
+ }
+
+ var width = void 0;
+ var height = void 0;
+ var aspectRatio = void 0;
+ var idClass = void 0;
+
+ // The aspect ratio is either used directly or to calculate width and height.
+ if (this.aspectRatio_ !== undefined && this.aspectRatio_ !== 'auto') {
+ // Use any aspectRatio that's been specifically set
+ aspectRatio = this.aspectRatio_;
+ } else if (this.videoWidth() > 0) {
+ // Otherwise try to get the aspect ratio from the video metadata
+ aspectRatio = this.videoWidth() + ':' + this.videoHeight();
+ } else {
+ // Or use a default. The video element's is 2:1, but 16:9 is more common.
+ aspectRatio = '16:9';
+ }
+
+ // Get the ratio as a decimal we can use to calculate dimensions
+ var ratioParts = aspectRatio.split(':');
+ var ratioMultiplier = ratioParts[1] / ratioParts[0];
+
+ if (this.width_ !== undefined) {
+ // Use any width that's been specifically set
+ width = this.width_;
+ } else if (this.height_ !== undefined) {
+ // Or calulate the width from the aspect ratio if a height has been set
+ width = this.height_ / ratioMultiplier;
+ } else {
+ // Or use the video's metadata, or use the video el's default of 300
+ width = this.videoWidth() || 300;
+ }
+
+ if (this.height_ !== undefined) {
+ // Use any height that's been specifically set
+ height = this.height_;
+ } else {
+ // Otherwise calculate the height from the ratio and the width
+ height = width * ratioMultiplier;
+ }
+
+ // Ensure the CSS class is valid by starting with an alpha character
+ if (/^[^a-zA-Z]/.test(this.id())) {
+ idClass = 'dimensions-' + this.id();
+ } else {
+ idClass = this.id() + '-dimensions';
+ }
+
+ // Ensure the right class is still on the player for the style element
+ this.addClass(idClass);
+
+ setTextContent(this.styleEl_, '\n .' + idClass + ' {\n width: ' + width + 'px;\n height: ' + height + 'px;\n }\n\n .' + idClass + '.vjs-fluid {\n padding-top: ' + ratioMultiplier * 100 + '%;\n }\n ');
+ };
+
+ /**
+ * Load/Create an instance of playback {@link Tech} including element
+ * and API methods. Then append the `Tech` element in `Player` as a child.
+ *
+ * @param {string} techName
+ * name of the playback technology
+ *
+ * @param {string} source
+ * video source
+ *
+ * @private
+ */
+
+
+ Player.prototype.loadTech_ = function loadTech_(techName, source) {
+ var _this2 = this;
+
+ // Pause and remove current playback technology
+ if (this.tech_) {
+ this.unloadTech_();
+ }
+
+ var titleTechName = toTitleCase(techName);
+ var camelTechName = techName.charAt(0).toLowerCase() + techName.slice(1);
+
+ // get rid of the HTML5 video tag as soon as we are using another tech
+ if (titleTechName !== 'Html5' && this.tag) {
+ Tech.getTech('Html5').disposeMediaElement(this.tag);
+ this.tag.player = null;
+ this.tag = null;
+ }
+
+ this.techName_ = titleTechName;
+
+ // Turn off API access because we're loading a new tech that might load asynchronously
+ this.isReady_ = false;
+
+ // Grab tech-specific options from player options and add source and parent element to use.
+ var techOptions = {
+ source: source,
+ 'nativeControlsForTouch': this.options_.nativeControlsForTouch,
+ 'playerId': this.id(),
+ 'techId': this.id() + '_' + titleTechName + '_api',
+ 'autoplay': this.options_.autoplay,
+ 'playsinline': this.options_.playsinline,
+ 'preload': this.options_.preload,
+ 'loop': this.options_.loop,
+ 'muted': this.options_.muted,
+ 'poster': this.poster(),
+ 'language': this.language(),
+ 'playerElIngest': this.playerElIngest_ || false,
+ 'vtt.js': this.options_['vtt.js']
+ };
+
+ ALL.names.forEach(function (name$$1) {
+ var props = ALL[name$$1];
+
+ techOptions[props.getterName] = _this2[props.privateName];
+ });
+
+ assign(techOptions, this.options_[titleTechName]);
+ assign(techOptions, this.options_[camelTechName]);
+ assign(techOptions, this.options_[techName.toLowerCase()]);
+
+ if (this.tag) {
+ techOptions.tag = this.tag;
+ }
+
+ if (source && source.src === this.cache_.src && this.cache_.currentTime > 0) {
+ techOptions.startTime = this.cache_.currentTime;
+ }
+
+ // Initialize tech instance
+ var TechClass = Tech.getTech(techName);
+
+ if (!TechClass) {
+ throw new Error('No Tech named \'' + titleTechName + '\' exists! \'' + titleTechName + '\' should be registered using videojs.registerTech()\'');
+ }
+
+ this.tech_ = new TechClass(techOptions);
+
+ // player.triggerReady is always async, so don't need this to be async
+ this.tech_.ready(bind(this, this.handleTechReady_), true);
+
+ textTrackConverter.jsonToTextTracks(this.textTracksJson_ || [], this.tech_);
+
+ // Listen to all HTML5-defined events and trigger them on the player
+ TECH_EVENTS_RETRIGGER.forEach(function (event) {
+ _this2.on(_this2.tech_, event, _this2['handleTech' + toTitleCase(event) + '_']);
+ });
+ this.on(this.tech_, 'loadstart', this.handleTechLoadStart_);
+ this.on(this.tech_, 'waiting', this.handleTechWaiting_);
+ this.on(this.tech_, 'canplay', this.handleTechCanPlay_);
+ this.on(this.tech_, 'canplaythrough', this.handleTechCanPlayThrough_);
+ this.on(this.tech_, 'playing', this.handleTechPlaying_);
+ this.on(this.tech_, 'ended', this.handleTechEnded_);
+ this.on(this.tech_, 'seeking', this.handleTechSeeking_);
+ this.on(this.tech_, 'seeked', this.handleTechSeeked_);
+ this.on(this.tech_, 'play', this.handleTechPlay_);
+ this.on(this.tech_, 'firstplay', this.handleTechFirstPlay_);
+ this.on(this.tech_, 'pause', this.handleTechPause_);
+ this.on(this.tech_, 'durationchange', this.handleTechDurationChange_);
+ this.on(this.tech_, 'fullscreenchange', this.handleTechFullscreenChange_);
+ this.on(this.tech_, 'error', this.handleTechError_);
+ this.on(this.tech_, 'loadedmetadata', this.updateStyleEl_);
+ this.on(this.tech_, 'posterchange', this.handleTechPosterChange_);
+ this.on(this.tech_, 'textdata', this.handleTechTextData_);
+
+ this.usingNativeControls(this.techGet_('controls'));
+
+ if (this.controls() && !this.usingNativeControls()) {
+ this.addTechControlsListeners_();
+ }
+
+ // Add the tech element in the DOM if it was not already there
+ // Make sure to not insert the original video element if using Html5
+ if (this.tech_.el().parentNode !== this.el() && (titleTechName !== 'Html5' || !this.tag)) {
+ prependTo(this.tech_.el(), this.el());
+ }
+
+ // Get rid of the original video tag reference after the first tech is loaded
+ if (this.tag) {
+ this.tag.player = null;
+ this.tag = null;
+ }
+ };
+
+ /**
+ * Unload and dispose of the current playback {@link Tech}.
+ *
+ * @private
+ */
+
+
+ Player.prototype.unloadTech_ = function unloadTech_() {
+ var _this3 = this;
+
+ // Save the current text tracks so that we can reuse the same text tracks with the next tech
+ ALL.names.forEach(function (name$$1) {
+ var props = ALL[name$$1];
+
+ _this3[props.privateName] = _this3[props.getterName]();
+ });
+ this.textTracksJson_ = textTrackConverter.textTracksToJson(this.tech_);
+
+ this.isReady_ = false;
+
+ this.tech_.dispose();
+
+ this.tech_ = false;
+ };
+
+ /**
+ * Return a reference to the current {@link Tech}.
+ * It will print a warning by default about the danger of using the tech directly
+ * but any argument that is passed in will silence the warning.
+ *
+ * @param {*} [safety]
+ * Anything passed in to silence the warning
+ *
+ * @return {Tech}
+ * The Tech
+ */
+
+
+ Player.prototype.tech = function tech(safety) {
+ if (safety === undefined) {
+ log$1.warn(tsml(_templateObject$1));
+ }
+
+ return this.tech_;
+ };
+
+ /**
+ * Set up click and touch listeners for the playback element
+ *
+ * - On desktops: a click on the video itself will toggle playback
+ * - On mobile devices: a click on the video toggles controls
+ * which is done by toggling the user state between active and
+ * inactive
+ * - A tap can signal that a user has become active or has become inactive
+ * e.g. a quick tap on an iPhone movie should reveal the controls. Another
+ * quick tap should hide them again (signaling the user is in an inactive
+ * viewing state)
+ * - In addition to this, we still want the user to be considered inactive after
+ * a few seconds of inactivity.
+ *
+ * > Note: the only part of iOS interaction we can't mimic with this setup
+ * is a touch and hold on the video element counting as activity in order to
+ * keep the controls showing, but that shouldn't be an issue. A touch and hold
+ * on any controls will still keep the user active
+ *
+ * @private
+ */
+
+
+ Player.prototype.addTechControlsListeners_ = function addTechControlsListeners_() {
+ // Make sure to remove all the previous listeners in case we are called multiple times.
+ this.removeTechControlsListeners_();
+
+ // Some browsers (Chrome & IE) don't trigger a click on a flash swf, but do
+ // trigger mousedown/up.
+ // http://stackoverflow.com/questions/1444562/javascript-onclick-event-over-flash-object
+ // Any touch events are set to block the mousedown event from happening
+ this.on(this.tech_, 'mousedown', this.handleTechClick_);
+
+ // If the controls were hidden we don't want that to change without a tap event
+ // so we'll check if the controls were already showing before reporting user
+ // activity
+ this.on(this.tech_, 'touchstart', this.handleTechTouchStart_);
+ this.on(this.tech_, 'touchmove', this.handleTechTouchMove_);
+ this.on(this.tech_, 'touchend', this.handleTechTouchEnd_);
+
+ // The tap listener needs to come after the touchend listener because the tap
+ // listener cancels out any reportedUserActivity when setting userActive(false)
+ this.on(this.tech_, 'tap', this.handleTechTap_);
+ };
+
+ /**
+ * Remove the listeners used for click and tap controls. This is needed for
+ * toggling to controls disabled, where a tap/touch should do nothing.
+ *
+ * @private
+ */
+
+
+ Player.prototype.removeTechControlsListeners_ = function removeTechControlsListeners_() {
+ // We don't want to just use `this.off()` because there might be other needed
+ // listeners added by techs that extend this.
+ this.off(this.tech_, 'tap', this.handleTechTap_);
+ this.off(this.tech_, 'touchstart', this.handleTechTouchStart_);
+ this.off(this.tech_, 'touchmove', this.handleTechTouchMove_);
+ this.off(this.tech_, 'touchend', this.handleTechTouchEnd_);
+ this.off(this.tech_, 'mousedown', this.handleTechClick_);
+ };
+
+ /**
+ * Player waits for the tech to be ready
+ *
+ * @private
+ */
+
+
+ Player.prototype.handleTechReady_ = function handleTechReady_() {
+ this.triggerReady();
+
+ // Keep the same volume as before
+ if (this.cache_.volume) {
+ this.techCall_('setVolume', this.cache_.volume);
+ }
+
+ // Look if the tech found a higher resolution poster while loading
+ this.handleTechPosterChange_();
+
+ // Update the duration if available
+ this.handleTechDurationChange_();
+
+ // Chrome and Safari both have issues with autoplay.
+ // In Safari (5.1.1), when we move the video element into the container div, autoplay doesn't work.
+ // In Chrome (15), if you have autoplay + a poster + no controls, the video gets hidden (but audio plays)
+ // This fixes both issues. Need to wait for API, so it updates displays correctly
+ if ((this.src() || this.currentSrc()) && this.tag && this.options_.autoplay && this.paused()) {
+ try {
+ // Chrome Fix. Fixed in Chrome v16.
+ delete this.tag.poster;
+ } catch (e) {
+ log$1('deleting tag.poster throws in some browsers', e);
+ }
+ }
+ };
+
+ /**
+ * Retrigger the `loadstart` event that was triggered by the {@link Tech}. This
+ * function will also trigger {@link Player#firstplay} if it is the first loadstart
+ * for a video.
+ *
+ * @fires Player#loadstart
+ * @fires Player#firstplay
+ * @listens Tech#loadstart
+ * @private
+ */
+
+
+ Player.prototype.handleTechLoadStart_ = function handleTechLoadStart_() {
+ // TODO: Update to use `emptied` event instead. See #1277.
+
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-seeking');
+
+ // reset the error state
+ this.error(null);
+
+ // If it's already playing we want to trigger a firstplay event now.
+ // The firstplay event relies on both the play and loadstart events
+ // which can happen in any order for a new source
+ if (!this.paused()) {
+ /**
+ * Fired when the user agent begins looking for media data
+ *
+ * @event Player#loadstart
+ * @type {EventTarget~Event}
+ */
+ this.trigger('loadstart');
+ this.trigger('firstplay');
+ } else {
+ // reset the hasStarted state
+ this.hasStarted(false);
+ this.trigger('loadstart');
+ }
+ };
+
+ /**
+ * Add/remove the vjs-has-started class
+ *
+ * @fires Player#firstplay
+ *
+ * @param {boolean} request
+ * - true: adds the class
+ * - false: remove the class
+ *
+ * @return {boolean}
+ * the boolean value of hasStarted_
+ */
+
+
+ Player.prototype.hasStarted = function hasStarted(request) {
+ if (request === undefined) {
+ // act as getter, if we have no request to change
+ return this.hasStarted_;
+ }
+
+ if (request === this.hasStarted_) {
+ return;
+ }
+
+ this.hasStarted_ = request;
+
+ if (this.hasStarted_) {
+ this.addClass('vjs-has-started');
+ this.trigger('firstplay');
+ } else {
+ this.removeClass('vjs-has-started');
+ }
+ };
+
+ /**
+ * Fired whenever the media begins or resumes playback
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-play}
+ * @fires Player#play
+ * @listens Tech#play
+ * @private
+ */
+
+
+ Player.prototype.handleTechPlay_ = function handleTechPlay_() {
+ this.removeClass('vjs-ended');
+ this.removeClass('vjs-paused');
+ this.addClass('vjs-playing');
+
+ // hide the poster when the user hits play
+ this.hasStarted(true);
+ /**
+ * Triggered whenever an {@link Tech#play} event happens. Indicates that
+ * playback has started or resumed.
+ *
+ * @event Player#play
+ * @type {EventTarget~Event}
+ */
+ this.trigger('play');
+ };
+
+ /**
+ * Retrigger the `waiting` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#waiting
+ * @listens Tech#waiting
+ * @private
+ */
+
+
+ Player.prototype.handleTechWaiting_ = function handleTechWaiting_() {
+ var _this4 = this;
+
+ this.addClass('vjs-waiting');
+ /**
+ * A readyState change on the DOM element has caused playback to stop.
+ *
+ * @event Player#waiting
+ * @type {EventTarget~Event}
+ */
+ this.trigger('waiting');
+ this.one('timeupdate', function () {
+ return _this4.removeClass('vjs-waiting');
+ });
+ };
+
+ /**
+ * Retrigger the `canplay` event that was triggered by the {@link Tech}.
+ * > Note: This is not consistent between browsers. See #1351
+ *
+ * @fires Player#canplay
+ * @listens Tech#canplay
+ * @private
+ */
+
+
+ Player.prototype.handleTechCanPlay_ = function handleTechCanPlay_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media has a readyState of HAVE_FUTURE_DATA or greater.
+ *
+ * @event Player#canplay
+ * @type {EventTarget~Event}
+ */
+ this.trigger('canplay');
+ };
+
+ /**
+ * Retrigger the `canplaythrough` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#canplaythrough
+ * @listens Tech#canplaythrough
+ * @private
+ */
+
+
+ Player.prototype.handleTechCanPlayThrough_ = function handleTechCanPlayThrough_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media has a readyState of HAVE_ENOUGH_DATA or greater. This means that the
+ * entire media file can be played without buffering.
+ *
+ * @event Player#canplaythrough
+ * @type {EventTarget~Event}
+ */
+ this.trigger('canplaythrough');
+ };
+
+ /**
+ * Retrigger the `playing` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#playing
+ * @listens Tech#playing
+ * @private
+ */
+
+
+ Player.prototype.handleTechPlaying_ = function handleTechPlaying_() {
+ this.removeClass('vjs-waiting');
+ /**
+ * The media is no longer blocked from playback, and has started playing.
+ *
+ * @event Player#playing
+ * @type {EventTarget~Event}
+ */
+ this.trigger('playing');
+ };
+
+ /**
+ * Retrigger the `seeking` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#seeking
+ * @listens Tech#seeking
+ * @private
+ */
+
+
+ Player.prototype.handleTechSeeking_ = function handleTechSeeking_() {
+ this.addClass('vjs-seeking');
+ /**
+ * Fired whenever the player is jumping to a new time
+ *
+ * @event Player#seeking
+ * @type {EventTarget~Event}
+ */
+ this.trigger('seeking');
+ };
+
+ /**
+ * Retrigger the `seeked` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#seeked
+ * @listens Tech#seeked
+ * @private
+ */
+
+
+ Player.prototype.handleTechSeeked_ = function handleTechSeeked_() {
+ this.removeClass('vjs-seeking');
+ /**
+ * Fired when the player has finished jumping to a new time
+ *
+ * @event Player#seeked
+ * @type {EventTarget~Event}
+ */
+ this.trigger('seeked');
+ };
+
+ /**
+ * Retrigger the `firstplay` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#firstplay
+ * @listens Tech#firstplay
+ * @deprecated As of 6.0 firstplay event is deprecated.
+ * @deprecated As of 6.0 passing the `starttime` option to the player and the firstplay event are deprecated.
+ * @private
+ */
+
+
+ Player.prototype.handleTechFirstPlay_ = function handleTechFirstPlay_() {
+ // If the first starttime attribute is specified
+ // then we will start at the given offset in seconds
+ if (this.options_.starttime) {
+ log$1.warn('Passing the `starttime` option to the player will be deprecated in 6.0');
+ this.currentTime(this.options_.starttime);
+ }
+
+ this.addClass('vjs-has-started');
+ /**
+ * Fired the first time a video is played. Not part of the HLS spec, and this is
+ * probably not the best implementation yet, so use sparingly. If you don't have a
+ * reason to prevent playback, use `myPlayer.one('play');` instead.
+ *
+ * @event Player#firstplay
+ * @deprecated As of 6.0 firstplay event is deprecated.
+ * @type {EventTarget~Event}
+ */
+ this.trigger('firstplay');
+ };
+
+ /**
+ * Retrigger the `pause` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#pause
+ * @listens Tech#pause
+ * @private
+ */
+
+
+ Player.prototype.handleTechPause_ = function handleTechPause_() {
+ this.removeClass('vjs-playing');
+ this.addClass('vjs-paused');
+ /**
+ * Fired whenever the media has been paused
+ *
+ * @event Player#pause
+ * @type {EventTarget~Event}
+ */
+ this.trigger('pause');
+ };
+
+ /**
+ * Retrigger the `ended` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#ended
+ * @listens Tech#ended
+ * @private
+ */
+
+
+ Player.prototype.handleTechEnded_ = function handleTechEnded_() {
+ this.addClass('vjs-ended');
+ if (this.options_.loop) {
+ this.currentTime(0);
+ this.play();
+ } else if (!this.paused()) {
+ this.pause();
+ }
+
+ /**
+ * Fired when the end of the media resource is reached (currentTime == duration)
+ *
+ * @event Player#ended
+ * @type {EventTarget~Event}
+ */
+ this.trigger('ended');
+ };
+
+ /**
+ * Fired when the duration of the media resource is first known or changed
+ *
+ * @listens Tech#durationchange
+ * @private
+ */
+
+
+ Player.prototype.handleTechDurationChange_ = function handleTechDurationChange_() {
+ this.duration(this.techGet_('duration'));
+ };
+
+ /**
+ * Handle a click on the media element to play/pause
+ *
+ * @param {EventTarget~Event} event
+ * the event that caused this function to trigger
+ *
+ * @listens Tech#mousedown
+ * @private
+ */
+
+
+ Player.prototype.handleTechClick_ = function handleTechClick_(event) {
+ // We're using mousedown to detect clicks thanks to Flash, but mousedown
+ // will also be triggered with right-clicks, so we need to prevent that
+ if (event.button !== 0) {
+ return;
+ }
+
+ // When controls are disabled a click should not toggle playback because
+ // the click is considered a control
+ if (this.controls()) {
+ if (this.paused()) {
+ this.play();
+ } else {
+ this.pause();
+ }
+ }
+ };
+
+ /**
+ * Handle a tap on the media element. It will toggle the user
+ * activity state, which hides and shows the controls.
+ *
+ * @listens Tech#tap
+ * @private
+ */
+
+
+ Player.prototype.handleTechTap_ = function handleTechTap_() {
+ this.userActive(!this.userActive());
+ };
+
+ /**
+ * Handle touch to start
+ *
+ * @listens Tech#touchstart
+ * @private
+ */
+
+
+ Player.prototype.handleTechTouchStart_ = function handleTechTouchStart_() {
+ this.userWasActive = this.userActive();
+ };
+
+ /**
+ * Handle touch to move
+ *
+ * @listens Tech#touchmove
+ * @private
+ */
+
+
+ Player.prototype.handleTechTouchMove_ = function handleTechTouchMove_() {
+ if (this.userWasActive) {
+ this.reportUserActivity();
+ }
+ };
+
+ /**
+ * Handle touch to end
+ *
+ * @param {EventTarget~Event} event
+ * the touchend event that triggered
+ * this function
+ *
+ * @listens Tech#touchend
+ * @private
+ */
+
+
+ Player.prototype.handleTechTouchEnd_ = function handleTechTouchEnd_(event) {
+ // Stop the mouse events from also happening
+ event.preventDefault();
+ };
+
+ /**
+ * Fired when the player switches in or out of fullscreen mode
+ *
+ * @private
+ * @listens Player#fullscreenchange
+ */
+
+
+ Player.prototype.handleFullscreenChange_ = function handleFullscreenChange_() {
+ if (this.isFullscreen()) {
+ this.addClass('vjs-fullscreen');
+ } else {
+ this.removeClass('vjs-fullscreen');
+ }
+ };
+
+ /**
+ * native click events on the SWF aren't triggered on IE11, Win8.1RT
+ * use stageclick events triggered from inside the SWF instead
+ *
+ * @private
+ * @listens stageclick
+ */
+
+
+ Player.prototype.handleStageClick_ = function handleStageClick_() {
+ this.reportUserActivity();
+ };
+
+ /**
+ * Handle Tech Fullscreen Change
+ *
+ * @param {EventTarget~Event} event
+ * the fullscreenchange event that triggered this function
+ *
+ * @param {Object} data
+ * the data that was sent with the event
+ *
+ * @private
+ * @listens Tech#fullscreenchange
+ * @fires Player#fullscreenchange
+ */
+
+
+ Player.prototype.handleTechFullscreenChange_ = function handleTechFullscreenChange_(event, data) {
+ if (data) {
+ this.isFullscreen(data.isFullscreen);
+ }
+ /**
+ * Fired when going in and out of fullscreen.
+ *
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ };
+
+ /**
+ * Fires when an error occurred during the loading of an audio/video.
+ *
+ * @private
+ * @listens Tech#error
+ */
+
+
+ Player.prototype.handleTechError_ = function handleTechError_() {
+ var error = this.tech_.error();
+
+ this.error(error);
+ };
+
+ /**
+ * Retrigger the `textdata` event that was triggered by the {@link Tech}.
+ *
+ * @fires Player#textdata
+ * @listens Tech#textdata
+ * @private
+ */
+
+
+ Player.prototype.handleTechTextData_ = function handleTechTextData_() {
+ var data = null;
+
+ if (arguments.length > 1) {
+ data = arguments[1];
+ }
+
+ /**
+ * Fires when we get a textdata event from tech
+ *
+ * @event Player#textdata
+ * @type {EventTarget~Event}
+ */
+ this.trigger('textdata', data);
+ };
+
+ /**
+ * Get object for cached values.
+ *
+ * @return {Object}
+ * get the current object cache
+ */
+
+
+ Player.prototype.getCache = function getCache() {
+ return this.cache_;
+ };
+
+ /**
+ * Pass values to the playback tech
+ *
+ * @param {string} [method]
+ * the method to call
+ *
+ * @param {Object} arg
+ * the argument to pass
+ *
+ * @private
+ */
+
+
+ Player.prototype.techCall_ = function techCall_(method, arg) {
+ // If it's not ready yet, call method when it is
+
+ this.ready(function () {
+ if (method in allowedSetters) {
+ return set$1(this.middleware_, this.tech_, method, arg);
+ }
+
+ try {
+ if (this.tech_) {
+ this.tech_[method](arg);
+ }
+ } catch (e) {
+ log$1(e);
+ throw e;
+ }
+ }, true);
+ };
+
+ /**
+ * Get calls can't wait for the tech, and sometimes don't need to.
+ *
+ * @param {string} method
+ * Tech method
+ *
+ * @return {Function|undefined}
+ * the method or undefined
+ *
+ * @private
+ */
+
+
+ Player.prototype.techGet_ = function techGet_(method) {
+ if (!this.tech_ || !this.tech_.isReady_) {
+ return;
+ }
+
+ if (method in allowedGetters) {
+ return get$1(this.middleware_, this.tech_, method);
+ }
+
+ // Flash likes to die and reload when you hide or reposition it.
+ // In these cases the object methods go away and we get errors.
+ // When that happens we'll catch the errors and inform tech that it's not ready any more.
+ try {
+ return this.tech_[method]();
+ } catch (e) {
+
+ // When building additional tech libs, an expected method may not be defined yet
+ if (this.tech_[method] === undefined) {
+ log$1('Video.js: ' + method + ' method not defined for ' + this.techName_ + ' playback technology.', e);
+ throw e;
+ }
+
+ // When a method isn't available on the object it throws a TypeError
+ if (e.name === 'TypeError') {
+ log$1('Video.js: ' + method + ' unavailable on ' + this.techName_ + ' playback technology element.', e);
+ this.tech_.isReady_ = false;
+ throw e;
+ }
+
+ // If error unknown, just log and throw
+ log$1(e);
+ throw e;
+ }
+ };
+
+ /**
+ * start media playback
+ *
+ * @return {Promise|undefined}
+ * Returns a `Promise` if the browser returns one, for most browsers this will
+ * return undefined.
+ */
+
+
+ Player.prototype.play = function play() {
+ if (this.changingSrc_) {
+ this.ready(function () {
+ var retval = this.techGet_('play');
+
+ // silence errors (unhandled promise from play)
+ if (retval !== undefined && typeof retval.then === 'function') {
+ retval.then(null, function (e) {
+ });
+ }
+ });
+
+ // Only calls the tech's play if we already have a src loaded
+ } else if (this.isReady_ && (this.src() || this.currentSrc())) {
+ return this.techGet_('play');
+ } else {
+ this.ready(function () {
+ this.tech_.one('loadstart', function () {
+ var retval = this.play();
+
+ // silence errors (unhandled promise from play)
+ if (retval !== undefined && typeof retval.then === 'function') {
+ retval.then(null, function (e) {
+ });
+ }
+ });
+ });
+ }
+ };
+
+ /**
+ * Pause the video playback
+ *
+ * @return {Player}
+ * A reference to the player object this function was called on
+ */
+
+
+ Player.prototype.pause = function pause() {
+ this.techCall_('pause');
+ };
+
+ /**
+ * Check if the player is paused or has yet to play
+ *
+ * @return {boolean}
+ * - false: if the media is currently playing
+ * - true: if media is not currently playing
+ */
+
+
+ Player.prototype.paused = function paused() {
+ // The initial state of paused should be true (in Safari it's actually false)
+ return this.techGet_('paused') === false ? false : true;
+ };
+
+ /**
+ * Get a TimeRange object representing the current ranges of time that the user
+ * has played.
+ *
+ * @return {TimeRange}
+ * A time range object that represents all the increments of time that have
+ * been played.
+ */
+
+
+ Player.prototype.played = function played() {
+ return this.techGet_('played') || createTimeRanges(0, 0);
+ };
+
+ /**
+ * Returns whether or not the user is "scrubbing". Scrubbing is
+ * when the user has clicked the progress bar handle and is
+ * dragging it along the progress bar.
+ *
+ * @param {boolean} [isScrubbing]
+ * wether the user is or is not scrubbing
+ *
+ * @return {boolean}
+ * The value of scrubbing when getting
+ */
+
+
+ Player.prototype.scrubbing = function scrubbing(isScrubbing) {
+ if (typeof isScrubbing === 'undefined') {
+ return this.scrubbing_;
+ }
+ this.scrubbing_ = !!isScrubbing;
+
+ if (isScrubbing) {
+ this.addClass('vjs-scrubbing');
+ } else {
+ this.removeClass('vjs-scrubbing');
+ }
+ };
+
+ /**
+ * Get or set the current time (in seconds)
+ *
+ * @param {number|string} [seconds]
+ * The time to seek to in seconds
+ *
+ * @return {number}
+ * - the current time in seconds when getting
+ */
+
+
+ Player.prototype.currentTime = function currentTime(seconds) {
+ if (typeof seconds !== 'undefined') {
+ this.techCall_('setCurrentTime', seconds);
+ return;
+ }
+
+ // cache last currentTime and return. default to 0 seconds
+ //
+ // Caching the currentTime is meant to prevent a massive amount of reads on the tech's
+ // currentTime when scrubbing, but may not provide much performance benefit afterall.
+ // Should be tested. Also something has to read the actual current time or the cache will
+ // never get updated.
+ this.cache_.currentTime = this.techGet_('currentTime') || 0;
+ return this.cache_.currentTime;
+ };
+
+ /**
+ * Normally gets the length in time of the video in seconds;
+ * in all but the rarest use cases an argument will NOT be passed to the method
+ *
+ * > **NOTE**: The video must have started loading before the duration can be
+ * known, and in the case of Flash, may not be known until the video starts
+ * playing.
+ *
+ * @fires Player#durationchange
+ *
+ * @param {number} [seconds]
+ * The duration of the video to set in seconds
+ *
+ * @return {number}
+ * - The duration of the video in seconds when getting
+ */
+
+
+ Player.prototype.duration = function duration(seconds) {
+ if (seconds === undefined) {
+ // return NaN if the duration is not known
+ return this.cache_.duration !== undefined ? this.cache_.duration : NaN;
+ }
+
+ seconds = parseFloat(seconds);
+
+ // Standardize on Inifity for signaling video is live
+ if (seconds < 0) {
+ seconds = Infinity;
+ }
+
+ if (seconds !== this.cache_.duration) {
+ // Cache the last set value for optimized scrubbing (esp. Flash)
+ this.cache_.duration = seconds;
+
+ if (seconds === Infinity) {
+ this.addClass('vjs-live');
+ } else {
+ this.removeClass('vjs-live');
+ }
+ /**
+ * @event Player#durationchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('durationchange');
+ }
+ };
+
+ /**
+ * Calculates how much time is left in the video. Not part
+ * of the native video API.
+ *
+ * @return {number}
+ * The time remaining in seconds
+ */
+
+
+ Player.prototype.remainingTime = function remainingTime() {
+ return this.duration() - this.currentTime();
+ };
+
+ /**
+ * A remaining time function that is intented to be used when
+ * the time is to be displayed directly to the user.
+ *
+ * @return {number}
+ * The rounded time remaining in seconds
+ */
+
+
+ Player.prototype.remainingTimeDisplay = function remainingTimeDisplay() {
+ return Math.floor(this.duration()) - Math.floor(this.currentTime());
+ };
+
+ //
+ // Kind of like an array of portions of the video that have been downloaded.
+
+ /**
+ * Get a TimeRange object with an array of the times of the video
+ * that have been downloaded. If you just want the percent of the
+ * video that's been downloaded, use bufferedPercent.
+ *
+ * @see [Buffered Spec]{@link http://dev.w3.org/html5/spec/video.html#dom-media-buffered}
+ *
+ * @return {TimeRange}
+ * A mock TimeRange object (following HTML spec)
+ */
+
+
+ Player.prototype.buffered = function buffered() {
+ var buffered = this.techGet_('buffered');
+
+ if (!buffered || !buffered.length) {
+ buffered = createTimeRanges(0, 0);
+ }
+
+ return buffered;
+ };
+
+ /**
+ * Get the percent (as a decimal) of the video that's been downloaded.
+ * This method is not a part of the native HTML video API.
+ *
+ * @return {number}
+ * A decimal between 0 and 1 representing the percent
+ * that is bufferred 0 being 0% and 1 being 100%
+ */
+
+
+ Player.prototype.bufferedPercent = function bufferedPercent$$1() {
+ return bufferedPercent(this.buffered(), this.duration());
+ };
+
+ /**
+ * Get the ending time of the last buffered time range
+ * This is used in the progress bar to encapsulate all time ranges.
+ *
+ * @return {number}
+ * The end of the last buffered time range
+ */
+
+
+ Player.prototype.bufferedEnd = function bufferedEnd() {
+ var buffered = this.buffered();
+ var duration = this.duration();
+ var end = buffered.end(buffered.length - 1);
+
+ if (end > duration) {
+ end = duration;
+ }
+
+ return end;
+ };
+
+ /**
+ * Get or set the current volume of the media
+ *
+ * @param {number} [percentAsDecimal]
+ * The new volume as a decimal percent:
+ * - 0 is muted/0%/off
+ * - 1.0 is 100%/full
+ * - 0.5 is half volume or 50%
+ *
+ * @return {number}
+ * The current volume as a percent when getting
+ */
+
+
+ Player.prototype.volume = function volume(percentAsDecimal) {
+ var vol = void 0;
+
+ if (percentAsDecimal !== undefined) {
+ // Force value to between 0 and 1
+ vol = Math.max(0, Math.min(1, parseFloat(percentAsDecimal)));
+ this.cache_.volume = vol;
+ this.techCall_('setVolume', vol);
+
+ if (vol > 0) {
+ this.lastVolume_(vol);
+ }
+
+ return;
+ }
+
+ // Default to 1 when returning current volume.
+ vol = parseFloat(this.techGet_('volume'));
+ return isNaN(vol) ? 1 : vol;
+ };
+
+ /**
+ * Get the current muted state, or turn mute on or off
+ *
+ * @param {boolean} [muted]
+ * - true to mute
+ * - false to unmute
+ *
+ * @return {boolean}
+ * - true if mute is on and getting
+ * - false if mute is off and getting
+ */
+
+
+ Player.prototype.muted = function muted(_muted) {
+ if (_muted !== undefined) {
+ this.techCall_('setMuted', _muted);
+ return;
+ }
+ return this.techGet_('muted') || false;
+ };
+
+ /**
+ * Get the current defaultMuted state, or turn defaultMuted on or off. defaultMuted
+ * indicates the state of muted on intial playback.
+ *
+ * ```js
+ * var myPlayer = videojs('some-player-id');
+ *
+ * myPlayer.src("http://www.example.com/path/to/video.mp4");
+ *
+ * // get, should be false
+ * console.log(myPlayer.defaultMuted());
+ * // set to true
+ * myPlayer.defaultMuted(true);
+ * // get should be true
+ * console.log(myPlayer.defaultMuted());
+ * ```
+ *
+ * @param {boolean} [defaultMuted]
+ * - true to mute
+ * - false to unmute
+ *
+ * @return {boolean|Player}
+ * - true if defaultMuted is on and getting
+ * - false if defaultMuted is off and getting
+ * - A reference to the current player when setting
+ */
+
+
+ Player.prototype.defaultMuted = function defaultMuted(_defaultMuted) {
+ if (_defaultMuted !== undefined) {
+ return this.techCall_('setDefaultMuted', _defaultMuted);
+ }
+ return this.techGet_('defaultMuted') || false;
+ };
+
+ /**
+ * Get the last volume, or set it
+ *
+ * @param {number} [percentAsDecimal]
+ * The new last volume as a decimal percent:
+ * - 0 is muted/0%/off
+ * - 1.0 is 100%/full
+ * - 0.5 is half volume or 50%
+ *
+ * @return {number}
+ * the current value of lastVolume as a percent when getting
+ *
+ * @private
+ */
+
+
+ Player.prototype.lastVolume_ = function lastVolume_(percentAsDecimal) {
+ if (percentAsDecimal !== undefined && percentAsDecimal !== 0) {
+ this.cache_.lastVolume = percentAsDecimal;
+ return;
+ }
+ return this.cache_.lastVolume;
+ };
+
+ /**
+ * Check if current tech can support native fullscreen
+ * (e.g. with built in controls like iOS, so not our flash swf)
+ *
+ * @return {boolean}
+ * if native fullscreen is supported
+ */
+
+
+ Player.prototype.supportsFullScreen = function supportsFullScreen() {
+ return this.techGet_('supportsFullScreen') || false;
+ };
+
+ /**
+ * Check if the player is in fullscreen mode or tell the player that it
+ * is or is not in fullscreen mode.
+ *
+ * > NOTE: As of the latest HTML5 spec, isFullscreen is no longer an official
+ * property and instead document.fullscreenElement is used. But isFullscreen is
+ * still a valuable property for internal player workings.
+ *
+ * @param {boolean} [isFS]
+ * Set the players current fullscreen state
+ *
+ * @return {boolean}
+ * - true if fullscreen is on and getting
+ * - false if fullscreen is off and getting
+ */
+
+
+ Player.prototype.isFullscreen = function isFullscreen(isFS) {
+ if (isFS !== undefined) {
+ this.isFullscreen_ = !!isFS;
+ return;
+ }
+ return !!this.isFullscreen_;
+ };
+
+ /**
+ * Increase the size of the video to full screen
+ * In some browsers, full screen is not supported natively, so it enters
+ * "full window mode", where the video fills the browser window.
+ * In browsers and devices that support native full screen, sometimes the
+ * browser's default controls will be shown, and not the Video.js custom skin.
+ * This includes most mobile devices (iOS, Android) and older versions of
+ * Safari.
+ *
+ * @fires Player#fullscreenchange
+ */
+
+
+ Player.prototype.requestFullscreen = function requestFullscreen() {
+ var fsApi = FullscreenApi;
+
+ this.isFullscreen(true);
+
+ if (fsApi.requestFullscreen) {
+ // the browser supports going fullscreen at the element level so we can
+ // take the controls fullscreen as well as the video
+
+ // Trigger fullscreenchange event after change
+ // We have to specifically add this each time, and remove
+ // when canceling fullscreen. Otherwise if there's multiple
+ // players on a page, they would all be reacting to the same fullscreen
+ // events
+ on(document_1, fsApi.fullscreenchange, bind(this, function documentFullscreenChange(e) {
+ this.isFullscreen(document_1[fsApi.fullscreenElement]);
+
+ // If cancelling fullscreen, remove event listener.
+ if (this.isFullscreen() === false) {
+ off(document_1, fsApi.fullscreenchange, documentFullscreenChange);
+ }
+ /**
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ }));
+
+ this.el_[fsApi.requestFullscreen]();
+ } else if (this.tech_.supportsFullScreen()) {
+ // we can't take the video.js controls fullscreen but we can go fullscreen
+ // with native controls
+ this.techCall_('enterFullScreen');
+ } else {
+ // fullscreen isn't supported so we'll just stretch the video element to
+ // fill the viewport
+ this.enterFullWindow();
+ /**
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ }
+ };
+
+ /**
+ * Return the video to its normal size after having been in full screen mode
+ *
+ * @fires Player#fullscreenchange
+ */
+
+
+ Player.prototype.exitFullscreen = function exitFullscreen() {
+ var fsApi = FullscreenApi;
+
+ this.isFullscreen(false);
+
+ // Check for browser element fullscreen support
+ if (fsApi.requestFullscreen) {
+ document_1[fsApi.exitFullscreen]();
+ } else if (this.tech_.supportsFullScreen()) {
+ this.techCall_('exitFullScreen');
+ } else {
+ this.exitFullWindow();
+ /**
+ * @event Player#fullscreenchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('fullscreenchange');
+ }
+ };
+
+ /**
+ * When fullscreen isn't supported we can stretch the
+ * video container to as wide as the browser will let us.
+ *
+ * @fires Player#enterFullWindow
+ */
+
+
+ Player.prototype.enterFullWindow = function enterFullWindow() {
+ this.isFullWindow = true;
+
+ // Storing original doc overflow value to return to when fullscreen is off
+ this.docOrigOverflow = document_1.documentElement.style.overflow;
+
+ // Add listener for esc key to exit fullscreen
+ on(document_1, 'keydown', bind(this, this.fullWindowOnEscKey));
+
+ // Hide any scroll bars
+ document_1.documentElement.style.overflow = 'hidden';
+
+ // Apply fullscreen styles
+ addClass(document_1.body, 'vjs-full-window');
+
+ /**
+ * @event Player#enterFullWindow
+ * @type {EventTarget~Event}
+ */
+ this.trigger('enterFullWindow');
+ };
+
+ /**
+ * Check for call to either exit full window or
+ * full screen on ESC key
+ *
+ * @param {string} event
+ * Event to check for key press
+ */
+
+
+ Player.prototype.fullWindowOnEscKey = function fullWindowOnEscKey(event) {
+ if (event.keyCode === 27) {
+ if (this.isFullscreen() === true) {
+ this.exitFullscreen();
+ } else {
+ this.exitFullWindow();
+ }
+ }
+ };
+
+ /**
+ * Exit full window
+ *
+ * @fires Player#exitFullWindow
+ */
+
+
+ Player.prototype.exitFullWindow = function exitFullWindow() {
+ this.isFullWindow = false;
+ off(document_1, 'keydown', this.fullWindowOnEscKey);
+
+ // Unhide scroll bars.
+ document_1.documentElement.style.overflow = this.docOrigOverflow;
+
+ // Remove fullscreen styles
+ removeClass(document_1.body, 'vjs-full-window');
+
+ // Resize the box, controller, and poster to original sizes
+ // this.positionAll();
+ /**
+ * @event Player#exitFullWindow
+ * @type {EventTarget~Event}
+ */
+ this.trigger('exitFullWindow');
+ };
+
+ /**
+ * Check whether the player can play a given mimetype
+ *
+ * @see https://www.w3.org/TR/2011/WD-html5-20110113/video.html#dom-navigator-canplaytype
+ *
+ * @param {string} type
+ * The mimetype to check
+ *
+ * @return {string}
+ * 'probably', 'maybe', or '' (empty string)
+ */
+
+
+ Player.prototype.canPlayType = function canPlayType(type) {
+ var can = void 0;
+
+ // Loop through each playback technology in the options order
+ for (var i = 0, j = this.options_.techOrder; i < j.length; i++) {
+ var techName = j[i];
+ var tech = Tech.getTech(techName);
+
+ // Support old behavior of techs being registered as components.
+ // Remove once that deprecated behavior is removed.
+ if (!tech) {
+ tech = Component.getComponent(techName);
+ }
+
+ // Check if the current tech is defined before continuing
+ if (!tech) {
+ log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
+ continue;
+ }
+
+ // Check if the browser supports this technology
+ if (tech.isSupported()) {
+ can = tech.canPlayType(type);
+
+ if (can) {
+ return can;
+ }
+ }
+ }
+
+ return '';
+ };
+
+ /**
+ * Select source based on tech-order or source-order
+ * Uses source-order selection if `options.sourceOrder` is truthy. Otherwise,
+ * defaults to tech-order selection
+ *
+ * @param {Array} sources
+ * The sources for a media asset
+ *
+ * @return {Object|boolean}
+ * Object of source and tech order or false
+ */
+
+
+ Player.prototype.selectSource = function selectSource(sources) {
+ var _this5 = this;
+
+ // Get only the techs specified in `techOrder` that exist and are supported by the
+ // current platform
+ var techs = this.options_.techOrder.map(function (techName) {
+ return [techName, Tech.getTech(techName)];
+ }).filter(function (_ref) {
+ var techName = _ref[0],
+ tech = _ref[1];
+
+ // Check if the current tech is defined before continuing
+ if (tech) {
+ // Check if the browser supports this technology
+ return tech.isSupported();
+ }
+
+ log$1.error('The "' + techName + '" tech is undefined. Skipped browser support check for that tech.');
+ return false;
+ });
+
+ // Iterate over each `innerArray` element once per `outerArray` element and execute
+ // `tester` with both. If `tester` returns a non-falsy value, exit early and return
+ // that value.
+ var findFirstPassingTechSourcePair = function findFirstPassingTechSourcePair(outerArray, innerArray, tester) {
+ var found = void 0;
+
+ outerArray.some(function (outerChoice) {
+ return innerArray.some(function (innerChoice) {
+ found = tester(outerChoice, innerChoice);
+
+ if (found) {
+ return true;
+ }
+ });
+ });
+
+ return found;
+ };
+
+ var foundSourceAndTech = void 0;
+ var flip = function flip(fn) {
+ return function (a, b) {
+ return fn(b, a);
+ };
+ };
+ var finder = function finder(_ref2, source) {
+ var techName = _ref2[0],
+ tech = _ref2[1];
+
+ if (tech.canPlaySource(source, _this5.options_[techName.toLowerCase()])) {
+ return {source: source, tech: techName};
+ }
+ };
+
+ // Depending on the truthiness of `options.sourceOrder`, we swap the order of techs and sources
+ // to select from them based on their priority.
+ if (this.options_.sourceOrder) {
+ // Source-first ordering
+ foundSourceAndTech = findFirstPassingTechSourcePair(sources, techs, flip(finder));
+ } else {
+ // Tech-first ordering
+ foundSourceAndTech = findFirstPassingTechSourcePair(techs, sources, finder);
+ }
+
+ return foundSourceAndTech || false;
+ };
+
+ /**
+ * Get or set the video source.
+ *
+ * @param {Tech~SourceObject|Tech~SourceObject[]|string} [source]
+ * A SourceObject, an array of SourceObjects, or a string referencing
+ * a URL to a media source. It is _highly recommended_ that an object
+ * or array of objects is used here, so that source selection
+ * algorithms can take the `type` into account.
+ *
+ * If not provided, this method acts as a getter.
+ *
+ * @return {string|undefined}
+ * If the `source` argument is missing, returns the current source
+ * URL. Otherwise, returns nothing/undefined.
+ */
+
+
+ Player.prototype.src = function src(source) {
+ var _this6 = this;
+
+ // getter usage
+ if (typeof source === 'undefined') {
+ return this.cache_.src || '';
+ }
+ // filter out invalid sources and turn our source into
+ // an array of source objects
+ var sources = filterSource(source);
+
+ // if a source was passed in then it is invalid because
+ // it was filtered to a zero length Array. So we have to
+ // show an error
+ if (!sources.length) {
+ this.setTimeout(function () {
+ this.error({code: 4, message: this.localize(this.options_.notSupportedMessage)});
+ }, 0);
+ return;
+ }
+
+ // intial sources
+ this.cache_.sources = sources;
+ this.changingSrc_ = true;
+
+ // intial source
+ this.cache_.source = sources[0];
+
+ // middlewareSource is the source after it has been changed by middleware
+ setSource(this, sources[0], function (middlewareSource, mws) {
+ _this6.middleware_ = mws;
+
+ var err = _this6.src_(middlewareSource);
+
+ if (err) {
+ if (sources.length > 1) {
+ return _this6.src(sources.slice(1));
+ }
+
+ // We need to wrap this in a timeout to give folks a chance to add error event handlers
+ _this6.setTimeout(function () {
+ this.error({code: 4, message: this.localize(this.options_.notSupportedMessage)});
+ }, 0);
+
+ // we could not find an appropriate tech, but let's still notify the delegate that this is it
+ // this needs a better comment about why this is needed
+ _this6.triggerReady();
+
+ return;
+ }
+
+ _this6.changingSrc_ = false;
+ // video element listed source
+ _this6.cache_.src = middlewareSource.src;
+
+ setTech(mws, _this6.tech_);
+ });
+ };
+
+ /**
+ * Set the source object on the tech, returns a boolean that indicates wether
+ * there is a tech that can play the source or not
+ *
+ * @param {Tech~SourceObject} source
+ * The source object to set on the Tech
+ *
+ * @return {Boolean}
+ * - True if there is no Tech to playback this source
+ * - False otherwise
+ *
+ * @private
+ */
+
+
+ Player.prototype.src_ = function src_(source) {
+ var sourceTech = this.selectSource([source]);
+
+ if (!sourceTech) {
+ return true;
+ }
+
+ if (!titleCaseEquals(sourceTech.tech, this.techName_)) {
+ this.changingSrc_ = true;
+
+ // load this technology with the chosen source
+ this.loadTech_(sourceTech.tech, sourceTech.source);
+ return false;
+ }
+
+ // wait until the tech is ready to set the source
+ this.ready(function () {
+
+ // The setSource tech method was added with source handlers
+ // so older techs won't support it
+ // We need to check the direct prototype for the case where subclasses
+ // of the tech do not support source handlers
+ if (this.tech_.constructor.prototype.hasOwnProperty('setSource')) {
+ this.techCall_('setSource', source);
+ } else {
+ this.techCall_('src', source.src);
+ }
+
+ if (this.options_.preload === 'auto') {
+ this.load();
+ }
+
+ // Set the source synchronously if possible (#2326)
+ }, true);
+
+ return false;
+ };
+
+ /**
+ * Begin loading the src data.
+ */
+
+
+ Player.prototype.load = function load() {
+ this.techCall_('load');
+ };
+
+ /**
+ * Reset the player. Loads the first tech in the techOrder,
+ * and calls `reset` on the tech`.
+ */
+
+
+ Player.prototype.reset = function reset() {
+ this.loadTech_(this.options_.techOrder[0], null);
+ this.techCall_('reset');
+ };
+
+ /**
+ * Returns all of the current source objects.
+ *
+ * @return {Tech~SourceObject[]}
+ * The current source objects
+ */
+
+
+ Player.prototype.currentSources = function currentSources() {
+ var source = this.currentSource();
+ var sources = [];
+
+ // assume `{}` or `{ src }`
+ if (Object.keys(source).length !== 0) {
+ sources.push(source);
+ }
+
+ return this.cache_.sources || sources;
+ };
+
+ /**
+ * Returns the current source object.
+ *
+ * @return {Tech~SourceObject}
+ * The current source object
+ */
+
+
+ Player.prototype.currentSource = function currentSource() {
+ return this.cache_.source || {};
+ };
+
+ /**
+ * Returns the fully qualified URL of the current source value e.g. http://mysite.com/video.mp4
+ * Can be used in conjuction with `currentType` to assist in rebuilding the current source object.
+ *
+ * @return {string}
+ * The current source
+ */
+
+
+ Player.prototype.currentSrc = function currentSrc() {
+ return this.currentSource() && this.currentSource().src || '';
+ };
+
+ /**
+ * Get the current source type e.g. video/mp4
+ * This can allow you rebuild the current source object so that you could load the same
+ * source and tech later
+ *
+ * @return {string}
+ * The source MIME type
+ */
+
+
+ Player.prototype.currentType = function currentType() {
+ return this.currentSource() && this.currentSource().type || '';
+ };
+
+ /**
+ * Get or set the preload attribute
+ *
+ * @param {boolean} [value]
+ * - true means that we should preload
+ * - false maens that we should not preload
+ *
+ * @return {string}
+ * The preload attribute value when getting
+ */
+
+
+ Player.prototype.preload = function preload(value) {
+ if (value !== undefined) {
+ this.techCall_('setPreload', value);
+ this.options_.preload = value;
+ return;
+ }
+ return this.techGet_('preload');
+ };
+
+ /**
+ * Get or set the autoplay attribute.
+ *
+ * @param {boolean} [value]
+ * - true means that we should autoplay
+ * - false means that we should not autoplay
+ *
+ * @return {string}
+ * The current value of autoplay when getting
+ */
+
+
+ Player.prototype.autoplay = function autoplay(value) {
+ if (value !== undefined) {
+ this.techCall_('setAutoplay', value);
+ this.options_.autoplay = value;
+ return;
+ }
+ return this.techGet_('autoplay', value);
+ };
+
+ /**
+ * Set or unset the playsinline attribute.
+ * Playsinline tells the browser that non-fullscreen playback is preferred.
+ *
+ * @param {boolean} [value]
+ * - true means that we should try to play inline by default
+ * - false means that we should use the browser's default playback mode,
+ * which in most cases is inline. iOS Safari is a notable exception
+ * and plays fullscreen by default.
+ *
+ * @return {string|Player}
+ * - the current value of playsinline
+ * - the player when setting
+ *
+ * @see [Spec]{@link https://html.spec.whatwg.org/#attr-video-playsinline}
+ */
+
+
+ Player.prototype.playsinline = function playsinline(value) {
+ if (value !== undefined) {
+ this.techCall_('setPlaysinline', value);
+ this.options_.playsinline = value;
+ return this;
+ }
+ return this.techGet_('playsinline');
+ };
+
+ /**
+ * Get or set the loop attribute on the video element.
+ *
+ * @param {boolean} [value]
+ * - true means that we should loop the video
+ * - false means that we should not loop the video
+ *
+ * @return {string}
+ * The current value of loop when getting
+ */
+
+
+ Player.prototype.loop = function loop(value) {
+ if (value !== undefined) {
+ this.techCall_('setLoop', value);
+ this.options_.loop = value;
+ return;
+ }
+ return this.techGet_('loop');
+ };
+
+ /**
+ * Get or set the poster image source url
+ *
+ * @fires Player#posterchange
+ *
+ * @param {string} [src]
+ * Poster image source URL
+ *
+ * @return {string}
+ * The current value of poster when getting
+ */
+
+
+ Player.prototype.poster = function poster(src) {
+ if (src === undefined) {
+ return this.poster_;
+ }
+
+ // The correct way to remove a poster is to set as an empty string
+ // other falsey values will throw errors
+ if (!src) {
+ src = '';
+ }
+
+ // update the internal poster variable
+ this.poster_ = src;
+
+ // update the tech's poster
+ this.techCall_('setPoster', src);
+
+ // alert components that the poster has been set
+ /**
+ * This event fires when the poster image is changed on the player.
+ *
+ * @event Player#posterchange
+ * @type {EventTarget~Event}
+ */
+ this.trigger('posterchange');
+ };
+
+ /**
+ * Some techs (e.g. YouTube) can provide a poster source in an
+ * asynchronous way. We want the poster component to use this
+ * poster source so that it covers up the tech's controls.
+ * (YouTube's play button). However we only want to use this
+ * source if the player user hasn't set a poster through
+ * the normal APIs.
+ *
+ * @fires Player#posterchange
+ * @listens Tech#posterchange
+ * @private
+ */
+
+
+ Player.prototype.handleTechPosterChange_ = function handleTechPosterChange_() {
+ if (!this.poster_ && this.tech_ && this.tech_.poster) {
+ this.poster_ = this.tech_.poster() || '';
+
+ // Let components know the poster has changed
+ this.trigger('posterchange');
+ }
+ };
+
+ /**
+ * Get or set whether or not the controls are showing.
+ *
+ * @fires Player#controlsenabled
+ *
+ * @param {boolean} [bool]
+ * - true to turn controls on
+ * - false to turn controls off
+ *
+ * @return {boolean}
+ * The current value of controls when getting
+ */
+
+
+ Player.prototype.controls = function controls(bool) {
+ if (bool !== undefined) {
+ bool = !!bool;
+
+ // Don't trigger a change event unless it actually changed
+ if (this.controls_ !== bool) {
+ this.controls_ = bool;
+
+ if (this.usingNativeControls()) {
+ this.techCall_('setControls', bool);
+ }
+
+ if (bool) {
+ this.removeClass('vjs-controls-disabled');
+ this.addClass('vjs-controls-enabled');
+ /**
+ * @event Player#controlsenabled
+ * @type {EventTarget~Event}
+ */
+ this.trigger('controlsenabled');
+
+ if (!this.usingNativeControls()) {
+ this.addTechControlsListeners_();
+ }
+ } else {
+ this.removeClass('vjs-controls-enabled');
+ this.addClass('vjs-controls-disabled');
+ /**
+ * @event Player#controlsdisabled
+ * @type {EventTarget~Event}
+ */
+ this.trigger('controlsdisabled');
+
+ if (!this.usingNativeControls()) {
+ this.removeTechControlsListeners_();
+ }
+ }
+ }
+ return;
+ }
+ return !!this.controls_;
+ };
+
+ /**
+ * Toggle native controls on/off. Native controls are the controls built into
+ * devices (e.g. default iPhone controls), Flash, or other techs
+ * (e.g. Vimeo Controls)
+ * **This should only be set by the current tech, because only the tech knows
+ * if it can support native controls**
+ *
+ * @fires Player#usingnativecontrols
+ * @fires Player#usingcustomcontrols
+ *
+ * @param {boolean} [bool]
+ * - true to turn native controls on
+ * - false to turn native controls off
+ *
+ * @return {boolean}
+ * The current value of native controls when getting
+ */
+
+
+ Player.prototype.usingNativeControls = function usingNativeControls(bool) {
+ if (bool !== undefined) {
+ bool = !!bool;
+
+ // Don't trigger a change event unless it actually changed
+ if (this.usingNativeControls_ !== bool) {
+ this.usingNativeControls_ = bool;
+ if (bool) {
+ this.addClass('vjs-using-native-controls');
+
+ /**
+ * player is using the native device controls
+ *
+ * @event Player#usingnativecontrols
+ * @type {EventTarget~Event}
+ */
+ this.trigger('usingnativecontrols');
+ } else {
+ this.removeClass('vjs-using-native-controls');
+
+ /**
+ * player is using the custom HTML controls
+ *
+ * @event Player#usingcustomcontrols
+ * @type {EventTarget~Event}
+ */
+ this.trigger('usingcustomcontrols');
+ }
+ }
+ return;
+ }
+ return !!this.usingNativeControls_;
+ };
+
+ /**
+ * Set or get the current MediaError
+ *
+ * @fires Player#error
+ *
+ * @param {MediaError|string|number} [err]
+ * A MediaError or a string/number to be turned
+ * into a MediaError
+ *
+ * @return {MediaError|null}
+ * The current MediaError when getting (or null)
+ */
+
+
+ Player.prototype.error = function error(err) {
+ if (err === undefined) {
+ return this.error_ || null;
+ }
+
+ // restoring to default
+ if (err === null) {
+ this.error_ = err;
+ this.removeClass('vjs-error');
+ if (this.errorDisplay) {
+ this.errorDisplay.close();
+ }
+ return;
+ }
+
+ this.error_ = new MediaError(err);
+
+ // add the vjs-error classname to the player
+ this.addClass('vjs-error');
+
+ // log the name of the error type and any message
+ // ie8 just logs "[object object]" if you just log the error object
+ log$1.error('(CODE:' + this.error_.code + ' ' + MediaError.errorTypes[this.error_.code] + ')', this.error_.message, this.error_);
+
+ /**
+ * @event Player#error
+ * @type {EventTarget~Event}
+ */
+ this.trigger('error');
+
+ return;
+ };
+
+ /**
+ * Report user activity
+ *
+ * @param {Object} event
+ * Event object
+ */
+
+
+ Player.prototype.reportUserActivity = function reportUserActivity(event) {
+ this.userActivity_ = true;
+ };
+
+ /**
+ * Get/set if user is active
+ *
+ * @fires Player#useractive
+ * @fires Player#userinactive
+ *
+ * @param {boolean} [bool]
+ * - true if the user is active
+ * - false if the user is inactive
+ *
+ * @return {boolean}
+ * The current value of userActive when getting
+ */
+
+
+ Player.prototype.userActive = function userActive(bool) {
+ if (bool !== undefined) {
+ bool = !!bool;
+ if (bool !== this.userActive_) {
+ this.userActive_ = bool;
+ if (bool) {
+ // If the user was inactive and is now active we want to reset the
+ // inactivity timer
+ this.userActivity_ = true;
+ this.removeClass('vjs-user-inactive');
+ this.addClass('vjs-user-active');
+ /**
+ * @event Player#useractive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('useractive');
+ } else {
+ // We're switching the state to inactive manually, so erase any other
+ // activity
+ this.userActivity_ = false;
+
+ // Chrome/Safari/IE have bugs where when you change the cursor it can
+ // trigger a mousemove event. This causes an issue when you're hiding
+ // the cursor when the user is inactive, and a mousemove signals user
+ // activity. Making it impossible to go into inactive mode. Specifically
+ // this happens in fullscreen when we really need to hide the cursor.
+ //
+ // When this gets resolved in ALL browsers it can be removed
+ // https://code.google.com/p/chromium/issues/detail?id=103041
+ if (this.tech_) {
+ this.tech_.one('mousemove', function (e) {
+ e.stopPropagation();
+ e.preventDefault();
+ });
+ }
+
+ this.removeClass('vjs-user-active');
+ this.addClass('vjs-user-inactive');
+ /**
+ * @event Player#userinactive
+ * @type {EventTarget~Event}
+ */
+ this.trigger('userinactive');
+ }
+ }
+ return;
+ }
+ return this.userActive_;
+ };
+
+ /**
+ * Listen for user activity based on timeout value
+ *
+ * @private
+ */
+
+
+ Player.prototype.listenForUserActivity_ = function listenForUserActivity_() {
+ var mouseInProgress = void 0;
+ var lastMoveX = void 0;
+ var lastMoveY = void 0;
+ var handleActivity = bind(this, this.reportUserActivity);
+
+ var handleMouseMove = function handleMouseMove(e) {
+ // #1068 - Prevent mousemove spamming
+ // Chrome Bug: https://code.google.com/p/chromium/issues/detail?id=366970
+ if (e.screenX !== lastMoveX || e.screenY !== lastMoveY) {
+ lastMoveX = e.screenX;
+ lastMoveY = e.screenY;
+ handleActivity();
+ }
+ };
+
+ var handleMouseDown = function handleMouseDown() {
+ handleActivity();
+ // For as long as the they are touching the device or have their mouse down,
+ // we consider them active even if they're not moving their finger or mouse.
+ // So we want to continue to update that they are active
+ this.clearInterval(mouseInProgress);
+ // Setting userActivity=true now and setting the interval to the same time
+ // as the activityCheck interval (250) should ensure we never miss the
+ // next activityCheck
+ mouseInProgress = this.setInterval(handleActivity, 250);
+ };
+
+ var handleMouseUp = function handleMouseUp(event) {
+ handleActivity();
+ // Stop the interval that maintains activity if the mouse/touch is down
+ this.clearInterval(mouseInProgress);
+ };
+
+ // Any mouse movement will be considered user activity
+ this.on('mousedown', handleMouseDown);
+ this.on('mousemove', handleMouseMove);
+ this.on('mouseup', handleMouseUp);
+
+ // Listen for keyboard navigation
+ // Shouldn't need to use inProgress interval because of key repeat
+ this.on('keydown', handleActivity);
+ this.on('keyup', handleActivity);
+
+ // Run an interval every 250 milliseconds instead of stuffing everything into
+ // the mousemove/touchmove function itself, to prevent performance degradation.
+ // `this.reportUserActivity` simply sets this.userActivity_ to true, which
+ // then gets picked up by this loop
+ // http://ejohn.org/blog/learning-from-twitter/
+ var inactivityTimeout = void 0;
+
+ this.setInterval(function () {
+ // Check to see if mouse/touch activity has happened
+ if (this.userActivity_) {
+ // Reset the activity tracker
+ this.userActivity_ = false;
+
+ // If the user state was inactive, set the state to active
+ this.userActive(true);
+
+ // Clear any existing inactivity timeout to start the timer over
+ this.clearTimeout(inactivityTimeout);
+
+ var timeout = this.options_.inactivityTimeout;
+
+ if (timeout > 0) {
+ // In <timeout> milliseconds, if no more activity has occurred the
+ // user will be considered inactive
+ inactivityTimeout = this.setTimeout(function () {
+ // Protect against the case where the inactivityTimeout can trigger just
+ // before the next user activity is picked up by the activity check loop
+ // causing a flicker
+ if (!this.userActivity_) {
+ this.userActive(false);
+ }
+ }, timeout);
+ }
+ }
+ }, 250);
+ };
+
+ /**
+ * Gets or sets the current playback rate. A playback rate of
+ * 1.0 represents normal speed and 0.5 would indicate half-speed
+ * playback, for instance.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-playbackrate
+ *
+ * @param {number} [rate]
+ * New playback rate to set.
+ *
+ * @return {number}
+ * The current playback rate when getting or 1.0
+ */
+
+
+ Player.prototype.playbackRate = function playbackRate(rate) {
+ if (rate !== undefined) {
+ this.techCall_('setPlaybackRate', rate);
+ return;
+ }
+
+ if (this.tech_ && this.tech_.featuresPlaybackRate) {
+ return this.techGet_('playbackRate');
+ }
+ return 1.0;
+ };
+
+ /**
+ * Gets or sets the current default playback rate. A default playback rate of
+ * 1.0 represents normal speed and 0.5 would indicate half-speed playback, for instance.
+ * defaultPlaybackRate will only represent what the intial playbackRate of a video was, not
+ * not the current playbackRate.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-defaultplaybackrate
+ *
+ * @param {number} [rate]
+ * New default playback rate to set.
+ *
+ * @return {number|Player}
+ * - The default playback rate when getting or 1.0
+ * - the player when setting
+ */
+
+
+ Player.prototype.defaultPlaybackRate = function defaultPlaybackRate(rate) {
+ if (rate !== undefined) {
+ return this.techCall_('setDefaultPlaybackRate', rate);
+ }
+
+ if (this.tech_ && this.tech_.featuresPlaybackRate) {
+ return this.techGet_('defaultPlaybackRate');
+ }
+ return 1.0;
+ };
+
+ /**
+ * Gets or sets the audio flag
+ *
+ * @param {boolean} bool
+ * - true signals that this is an audio player
+ * - false signals that this is not an audio player
+ *
+ * @return {boolean}
+ * The current value of isAudio when getting
+ */
+
+
+ Player.prototype.isAudio = function isAudio(bool) {
+ if (bool !== undefined) {
+ this.isAudio_ = !!bool;
+ return;
+ }
+
+ return !!this.isAudio_;
+ };
+
+ /**
+ * A helper method for adding a {@link TextTrack} to our
+ * {@link TextTrackList}.
+ *
+ * In addition to the W3C settings we allow adding additional info through options.
+ *
+ * @see http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-addtexttrack
+ *
+ * @param {string} [kind]
+ * the kind of TextTrack you are adding
+ *
+ * @param {string} [label]
+ * the label to give the TextTrack label
+ *
+ * @param {string} [language]
+ * the language to set on the TextTrack
+ *
+ * @return {TextTrack|undefined}
+ * the TextTrack that was added or undefined
+ * if there is no tech
+ */
+
+
+ Player.prototype.addTextTrack = function addTextTrack(kind, label, language) {
+ if (this.tech_) {
+ return this.tech_.addTextTrack(kind, label, language);
+ }
+ };
+
+ /**
+ * Create a remote {@link TextTrack} and an {@link HTMLTrackElement}. It will
+ * automatically removed from the video element whenever the source changes, unless
+ * manualCleanup is set to false.
+ *
+ * @param {Object} options
+ * Options to pass to {@link HTMLTrackElement} during creation. See
+ * {@link HTMLTrackElement} for object properties that you should use.
+ *
+ * @param {boolean} [manualCleanup=true] if set to false, the TextTrack will be
+ *
+ * @return {HtmlTrackElement}
+ * the HTMLTrackElement that was created and added
+ * to the HtmlTrackElementList and the remote
+ * TextTrackList
+ *
+ * @deprecated The default value of the "manualCleanup" parameter will default
+ * to "false" in upcoming versions of Video.js
+ */
+
+
+ Player.prototype.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) {
+ if (this.tech_) {
+ return this.tech_.addRemoteTextTrack(options, manualCleanup);
+ }
+ };
+
+ /**
+ * Remove a remote {@link TextTrack} from the respective
+ * {@link TextTrackList} and {@link HtmlTrackElementList}.
+ *
+ * @param {Object} track
+ * Remote {@link TextTrack} to remove
+ *
+ * @return {undefined}
+ * does not return anything
+ */
+
+
+ Player.prototype.removeRemoteTextTrack = function removeRemoteTextTrack() {
+ var _ref3 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+ _ref3$track = _ref3.track,
+ track = _ref3$track === undefined ? arguments[0] : _ref3$track;
+
+ // destructure the input into an object with a track argument, defaulting to arguments[0]
+ // default the whole argument to an empty object if nothing was passed in
+
+ if (this.tech_) {
+ return this.tech_.removeRemoteTextTrack(track);
+ }
+ };
+
+ /**
+ * Gets available media playback quality metrics as specified by the W3C's Media
+ * Playback Quality API.
+ *
+ * @see [Spec]{@link https://wicg.github.io/media-playback-quality}
+ *
+ * @return {Object|undefined}
+ * An object with supported media playback quality metrics or undefined if there
+ * is no tech or the tech does not support it.
+ */
+
+
+ Player.prototype.getVideoPlaybackQuality = function getVideoPlaybackQuality() {
+ return this.techGet_('getVideoPlaybackQuality');
+ };
+
+ /**
+ * Get video width
+ *
+ * @return {number}
+ * current video width
+ */
+
+
+ Player.prototype.videoWidth = function videoWidth() {
+ return this.tech_ && this.tech_.videoWidth && this.tech_.videoWidth() || 0;
+ };
+
+ /**
+ * Get video height
+ *
+ * @return {number}
+ * current video height
+ */
+
+
+ Player.prototype.videoHeight = function videoHeight() {
+ return this.tech_ && this.tech_.videoHeight && this.tech_.videoHeight() || 0;
+ };
+
+ /**
+ * The player's language code
+ * NOTE: The language should be set in the player options if you want the
+ * the controls to be built with a specific language. Changing the lanugage
+ * later will not update controls text.
+ *
+ * @param {string} [code]
+ * the language code to set the player to
+ *
+ * @return {string}
+ * The current language code when getting
+ */
+
+
+ Player.prototype.language = function language(code) {
+ if (code === undefined) {
+ return this.language_;
+ }
+
+ this.language_ = String(code).toLowerCase();
+ };
+
+ /**
+ * Get the player's language dictionary
+ * Merge every time, because a newly added plugin might call videojs.addLanguage() at any time
+ * Languages specified directly in the player options have precedence
+ *
+ * @return {Array}
+ * An array of of supported languages
+ */
+
+
+ Player.prototype.languages = function languages() {
+ return mergeOptions(Player.prototype.options_.languages, this.languages_);
+ };
+
+ /**
+ * returns a JavaScript object reperesenting the current track
+ * information. **DOES not return it as JSON**
+ *
+ * @return {Object}
+ * Object representing the current of track info
+ */
+
+
+ Player.prototype.toJSON = function toJSON() {
+ var options = mergeOptions(this.options_);
+ var tracks = options.tracks;
+
+ options.tracks = [];
+
+ for (var i = 0; i < tracks.length; i++) {
+ var track = tracks[i];
+
+ // deep merge tracks and null out player so no circular references
+ track = mergeOptions(track);
+ track.player = undefined;
+ options.tracks[i] = track;
+ }
+
+ return options;
+ };
+
+ /**
+ * Creates a simple modal dialog (an instance of the {@link ModalDialog}
+ * component) that immediately overlays the player with arbitrary
+ * content and removes itself when closed.
+ *
+ * @param {string|Function|Element|Array|null} content
+ * Same as {@link ModalDialog#content}'s param of the same name.
+ * The most straight-forward usage is to provide a string or DOM
+ * element.
+ *
+ * @param {Object} [options]
+ * Extra options which will be passed on to the {@link ModalDialog}.
+ *
+ * @return {ModalDialog}
+ * the {@link ModalDialog} that was created
+ */
+
+
+ Player.prototype.createModal = function createModal(content, options) {
+ var _this7 = this;
+
+ options = options || {};
+ options.content = content || '';
+
+ var modal = new ModalDialog(this, options);
+
+ this.addChild(modal);
+ modal.on('dispose', function () {
+ _this7.removeChild(modal);
+ });
+
+ modal.open();
+ return modal;
+ };
+
+ /**
+ * Gets tag settings
+ *
+ * @param {Element} tag
+ * The player tag
+ *
+ * @return {Object}
+ * An object containing all of the settings
+ * for a player tag
+ */
+
+
+ Player.getTagSettings = function getTagSettings(tag) {
+ var baseOptions = {
+ sources: [],
+ tracks: []
+ };
+
+ var tagOptions = getAttributes(tag);
+ var dataSetup = tagOptions['data-setup'];
+
+ if (hasClass(tag, 'vjs-fluid')) {
+ tagOptions.fluid = true;
+ }
+
+ // Check if data-setup attr exists.
+ if (dataSetup !== null) {
+ // Parse options JSON
+ // If empty string, make it a parsable json object.
+ var _safeParseTuple = tuple(dataSetup || '{}'),
+ err = _safeParseTuple[0],
+ data = _safeParseTuple[1];
+
+ if (err) {
+ log$1.error(err);
+ }
+ assign(tagOptions, data);
+ }
+
+ assign(baseOptions, tagOptions);
+
+ // Get tag children settings
+ if (tag.hasChildNodes()) {
+ var children = tag.childNodes;
+
+ for (var i = 0, j = children.length; i < j; i++) {
+ var child = children[i];
+ // Change case needed: http://ejohn.org/blog/nodename-case-sensitivity/
+ var childName = child.nodeName.toLowerCase();
+
+ if (childName === 'source') {
+ baseOptions.sources.push(getAttributes(child));
+ } else if (childName === 'track') {
+ baseOptions.tracks.push(getAttributes(child));
+ }
+ }
+ }
+
+ return baseOptions;
+ };
+
+ /**
+ * Determine wether or not flexbox is supported
+ *
+ * @return {boolean}
+ * - true if flexbox is supported
+ * - false if flexbox is not supported
+ */
+
+
+ Player.prototype.flexNotSupported_ = function flexNotSupported_() {
+ var elem = document_1.createElement('i');
+
+ // Note: We don't actually use flexBasis (or flexOrder), but it's one of the more
+ // common flex features that we can rely on when checking for flex support.
+ return !('flexBasis' in elem.style || 'webkitFlexBasis' in elem.style || 'mozFlexBasis' in elem.style || 'msFlexBasis' in elem.style ||
+ // IE10-specific (2012 flex spec)
+ 'msFlexOrder' in elem.style);
+ };
+
+ return Player;
+ }(Component);
+
+ /**
+ * Get the {@link VideoTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#videotracklist
+ *
+ * @return {VideoTrackList}
+ * the current video track list
+ *
+ * @method Player.prototype.videoTracks
+ */
+
+ /**
+ * Get the {@link AudioTrackList}
+ * @link https://html.spec.whatwg.org/multipage/embedded-content.html#audiotracklist
+ *
+ * @return {AudioTrackList}
+ * the current audio track list
+ *
+ * @method Player.prototype.audioTracks
+ */
+
+ /**
+ * Get the {@link TextTrackList}
+ *
+ * @link http://www.w3.org/html/wg/drafts/html/master/embedded-content-0.html#dom-media-texttracks
+ *
+ * @return {TextTrackList}
+ * the current text track list
+ *
+ * @method Player.prototype.textTracks
+ */
+
+ /**
+ * Get the remote {@link TextTrackList}
+ *
+ * @return {TextTrackList}
+ * The current remote text track list
+ *
+ * @method Player.prototype.remoteTextTracks
+ */
+
+ /**
+ * Get the remote {@link HtmlTrackElementList} tracks.
+ *
+ * @return {HtmlTrackElementList}
+ * The current remote text track element list
+ *
+ * @method Player.prototype.remoteTextTrackEls
+ */
+
+ ALL.names.forEach(function (name$$1) {
+ var props = ALL[name$$1];
+
+ Player.prototype[props.getterName] = function () {
+ if (this.tech_) {
+ return this.tech_[props.getterName]();
+ }
+
+ // if we have not yet loadTech_, we create {video,audio,text}Tracks_
+ // these will be passed to the tech during loading
+ this[props.privateName] = this[props.privateName] || new props.ListClass();
+ return this[props.privateName];
+ };
+ });
+
+ /**
+ * Global player list
+ *
+ * @type {Object}
+ */
+ Player.players = {};
+
+ var navigator$1 = window_1.navigator;
+
+ /*
+ * Player instance options, surfaced using options
+ * options = Player.prototype.options_
+ * Make changes in options, not here.
+ *
+ * @type {Object}
+ * @private
+ */
+ Player.prototype.options_ = {
+ // Default order of fallback technology
+ techOrder: Tech.defaultTechOrder_,
+
+ html5: {},
+ flash: {},
+
+ // default inactivity timeout
+ inactivityTimeout: 2000,
+
+ // default playback rates
+ playbackRates: [],
+ // Add playback rate selection by adding rates
+ // 'playbackRates': [0.5, 1, 1.5, 2],
+
+ // Included control sets
+ children: ['mediaLoader', 'posterImage', 'textTrackDisplay', 'loadingSpinner', 'bigPlayButton', 'controlBar', 'errorDisplay', 'textTrackSettings'],
+
+ language: navigator$1 && (navigator$1.languages && navigator$1.languages[0] || navigator$1.userLanguage || navigator$1.language) || 'en',
+
+ // locales and their language translations
+ languages: {},
+
+ // Default message to show when a video cannot be played.
+ notSupportedMessage: 'No compatible source was found for this media.'
+ };
+
+ [
+ /**
+ * Returns whether or not the player is in the "ended" state.
+ *
+ * @return {Boolean} True if the player is in the ended state, false if not.
+ * @method Player#ended
+ */
+ 'ended',
+ /**
+ * Returns whether or not the player is in the "seeking" state.
+ *
+ * @return {Boolean} True if the player is in the seeking state, false if not.
+ * @method Player#seeking
+ */
+ 'seeking',
+ /**
+ * Returns the TimeRanges of the media that are currently available
+ * for seeking to.
+ *
+ * @return {TimeRanges} the seekable intervals of the media timeline
+ * @method Player#seekable
+ */
+ 'seekable',
+ /**
+ * Returns the current state of network activity for the element, from
+ * the codes in the list below.
+ * - NETWORK_EMPTY (numeric value 0)
+ * The element has not yet been initialised. All attributes are in
+ * their initial states.
+ * - NETWORK_IDLE (numeric value 1)
+ * The element's resource selection algorithm is active and has
+ * selected a resource, but it is not actually using the network at
+ * this time.
+ * - NETWORK_LOADING (numeric value 2)
+ * The user agent is actively trying to download data.
+ * - NETWORK_NO_SOURCE (numeric value 3)
+ * The element's resource selection algorithm is active, but it has
+ * not yet found a resource to use.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#network-states
+ * @return {number} the current network activity state
+ * @method Player#networkState
+ */
+ 'networkState',
+ /**
+ * Returns a value that expresses the current state of the element
+ * with respect to rendering the current playback position, from the
+ * codes in the list below.
+ * - HAVE_NOTHING (numeric value 0)
+ * No information regarding the media resource is available.
+ * - HAVE_METADATA (numeric value 1)
+ * Enough of the resource has been obtained that the duration of the
+ * resource is available.
+ * - HAVE_CURRENT_DATA (numeric value 2)
+ * Data for the immediate current playback position is available.
+ * - HAVE_FUTURE_DATA (numeric value 3)
+ * Data for the immediate current playback position is available, as
+ * well as enough data for the user agent to advance the current
+ * playback position in the direction of playback.
+ * - HAVE_ENOUGH_DATA (numeric value 4)
+ * The user agent estimates that enough data is available for
+ * playback to proceed uninterrupted.
+ *
+ * @see https://html.spec.whatwg.org/multipage/embedded-content.html#dom-media-readystate
+ * @return {number} the current playback rendering state
+ * @method Player#readyState
+ */
+ 'readyState'].forEach(function (fn) {
+ Player.prototype[fn] = function () {
+ return this.techGet_(fn);
+ };
+ });
+
+ TECH_EVENTS_RETRIGGER.forEach(function (event) {
+ Player.prototype['handleTech' + toTitleCase(event) + '_'] = function () {
+ return this.trigger(event);
+ };
+ });
+
+ /**
+ * Fired when the player has initial duration and dimension information
+ *
+ * @event Player#loadedmetadata
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Fired when the player has downloaded data at the current playback position
+ *
+ * @event Player#loadeddata
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Fired when the current playback position has changed *
+ * During playback this is fired every 15-250 milliseconds, depending on the
+ * playback technology in use.
+ *
+ * @event Player#timeupdate
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Fired when the volume changes
+ *
+ * @event Player#volumechange
+ * @type {EventTarget~Event}
+ */
+
+ /**
+ * Reports whether or not a player has a plugin available.
+ *
+ * This does not report whether or not the plugin has ever been initialized
+ * on this player. For that, [usingPlugin]{@link Player#usingPlugin}.
+ *
+ * @method Player#hasPlugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {boolean}
+ * Whether or not this player has the requested plugin available.
+ */
+
+ /**
+ * Reports whether or not a player is using a plugin by name.
+ *
+ * For basic plugins, this only reports whether the plugin has _ever_ been
+ * initialized on this player.
+ *
+ * @method Player#usingPlugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {boolean}
+ * Whether or not this player is using the requested plugin.
+ */
+
+ Component.registerComponent('Player', Player);
+
+ /**
+ * @file plugin.js
+ */
+ /**
+ * The base plugin name.
+ *
+ * @private
+ * @constant
+ * @type {string}
+ */
+ var BASE_PLUGIN_NAME = 'plugin';
+
+ /**
+ * The key on which a player's active plugins cache is stored.
+ *
+ * @private
+ * @constant
+ * @type {string}
+ */
+ var PLUGIN_CACHE_KEY = 'activePlugins_';
+
+ /**
+ * Stores registered plugins in a private space.
+ *
+ * @private
+ * @type {Object}
+ */
+ var pluginStorage = {};
+
+ /**
+ * Reports whether or not a plugin has been registered.
+ *
+ * @private
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {boolean}
+ * Whether or not the plugin has been registered.
+ */
+ var pluginExists = function pluginExists(name) {
+ return pluginStorage.hasOwnProperty(name);
+ };
+
+ /**
+ * Get a single registered plugin by name.
+ *
+ * @private
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {Function|undefined}
+ * The plugin (or undefined).
+ */
+ var getPlugin = function getPlugin(name) {
+ return pluginExists(name) ? pluginStorage[name] : undefined;
+ };
+
+ /**
+ * Marks a plugin as "active" on a player.
+ *
+ * Also, ensures that the player has an object for tracking active plugins.
+ *
+ * @private
+ * @param {Player} player
+ * A Video.js player instance.
+ *
+ * @param {string} name
+ * The name of a plugin.
+ */
+ var markPluginAsActive = function markPluginAsActive(player, name) {
+ player[PLUGIN_CACHE_KEY] = player[PLUGIN_CACHE_KEY] || {};
+ player[PLUGIN_CACHE_KEY][name] = true;
+ };
+
+ /**
+ * Triggers a pair of plugin setup events.
+ *
+ * @private
+ * @param {Player} player
+ * A Video.js player instance.
+ *
+ * @param {Plugin~PluginEventHash} hash
+ * A plugin event hash.
+ *
+ * @param {Boolean} [before]
+ * If true, prefixes the event name with "before". In other words,
+ * use this to trigger "beforepluginsetup" instead of "pluginsetup".
+ */
+ var triggerSetupEvent = function triggerSetupEvent(player, hash, before) {
+ var eventName = (before ? 'before' : '') + 'pluginsetup';
+
+ player.trigger(eventName, hash);
+ player.trigger(eventName + ':' + hash.name, hash);
+ };
+
+ /**
+ * Takes a basic plugin function and returns a wrapper function which marks
+ * on the player that the plugin has been activated.
+ *
+ * @private
+ * @param {string} name
+ * The name of the plugin.
+ *
+ * @param {Function} plugin
+ * The basic plugin.
+ *
+ * @returns {Function}
+ * A wrapper function for the given plugin.
+ */
+ var createBasicPlugin = function createBasicPlugin(name, plugin) {
+ var basicPluginWrapper = function basicPluginWrapper() {
+
+ // We trigger the "beforepluginsetup" and "pluginsetup" events on the player
+ // regardless, but we want the hash to be consistent with the hash provided
+ // for advanced plugins.
+ //
+ // The only potentially counter-intuitive thing here is the `instance` in
+ // the "pluginsetup" event is the value returned by the `plugin` function.
+ triggerSetupEvent(this, {name: name, plugin: plugin, instance: null}, true);
+
+ var instance = plugin.apply(this, arguments);
+
+ markPluginAsActive(this, name);
+ triggerSetupEvent(this, {name: name, plugin: plugin, instance: instance});
+
+ return instance;
+ };
+
+ Object.keys(plugin).forEach(function (prop) {
+ basicPluginWrapper[prop] = plugin[prop];
+ });
+
+ return basicPluginWrapper;
+ };
+
+ /**
+ * Takes a plugin sub-class and returns a factory function for generating
+ * instances of it.
+ *
+ * This factory function will replace itself with an instance of the requested
+ * sub-class of Plugin.
+ *
+ * @private
+ * @param {string} name
+ * The name of the plugin.
+ *
+ * @param {Plugin} PluginSubClass
+ * The advanced plugin.
+ *
+ * @returns {Function}
+ */
+ var createPluginFactory = function createPluginFactory(name, PluginSubClass) {
+
+ // Add a `name` property to the plugin prototype so that each plugin can
+ // refer to itself by name.
+ PluginSubClass.prototype.name = name;
+
+ return function () {
+ triggerSetupEvent(this, {name: name, plugin: PluginSubClass, instance: null}, true);
+
+ for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+ args[_key] = arguments[_key];
+ }
+
+ var instance = new (Function.prototype.bind.apply(PluginSubClass, [null].concat([this].concat(args))))();
+
+ // The plugin is replaced by a function that returns the current instance.
+ this[name] = function () {
+ return instance;
+ };
+
+ triggerSetupEvent(this, instance.getEventHash());
+
+ return instance;
+ };
+ };
+
+ /**
+ * Parent class for all advanced plugins.
+ *
+ * @mixes module:evented~EventedMixin
+ * @mixes module:stateful~StatefulMixin
+ * @fires Player#beforepluginsetup
+ * @fires Player#beforepluginsetup:$name
+ * @fires Player#pluginsetup
+ * @fires Player#pluginsetup:$name
+ * @listens Player#dispose
+ * @throws {Error}
+ * If attempting to instantiate the base {@link Plugin} class
+ * directly instead of via a sub-class.
+ */
+
+ var Plugin = function () {
+
+ /**
+ * Creates an instance of this class.
+ *
+ * Sub-classes should call `super` to ensure plugins are properly initialized.
+ *
+ * @param {Player} player
+ * A Video.js player instance.
+ */
+ function Plugin(player) {
+ classCallCheck(this, Plugin);
+
+ if (this.constructor === Plugin) {
+ throw new Error('Plugin must be sub-classed; not directly instantiated.');
+ }
+
+ this.player = player;
+
+ // Make this object evented, but remove the added `trigger` method so we
+ // use the prototype version instead.
+ evented(this);
+ delete this.trigger;
+
+ stateful(this, this.constructor.defaultState);
+ markPluginAsActive(player, this.name);
+
+ // Auto-bind the dispose method so we can use it as a listener and unbind
+ // it later easily.
+ this.dispose = bind(this, this.dispose);
+
+ // If the player is disposed, dispose the plugin.
+ player.on('dispose', this.dispose);
+ }
+
+ /**
+ * Each event triggered by plugins includes a hash of additional data with
+ * conventional properties.
+ *
+ * This returns that object or mutates an existing hash.
+ *
+ * @param {Object} [hash={}]
+ * An object to be used as event an event hash.
+ *
+ * @returns {Plugin~PluginEventHash}
+ * An event hash object with provided properties mixed-in.
+ */
+
+
+ Plugin.prototype.getEventHash = function getEventHash() {
+ var hash = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+ hash.name = this.name;
+ hash.plugin = this.constructor;
+ hash.instance = this;
+ return hash;
+ };
+
+ /**
+ * Triggers an event on the plugin object and overrides
+ * {@link module:evented~EventedMixin.trigger|EventedMixin.trigger}.
+ *
+ * @param {string|Object} event
+ * An event type or an object with a type property.
+ *
+ * @param {Object} [hash={}]
+ * Additional data hash to merge with a
+ * {@link Plugin~PluginEventHash|PluginEventHash}.
+ *
+ * @returns {boolean}
+ * Whether or not default was prevented.
+ */
+
+
+ Plugin.prototype.trigger = function trigger$$1(event) {
+ var hash = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ return trigger(this.eventBusEl_, event, this.getEventHash(hash));
+ };
+
+ /**
+ * Handles "statechanged" events on the plugin. No-op by default, override by
+ * subclassing.
+ *
+ * @abstract
+ * @param {Event} e
+ * An event object provided by a "statechanged" event.
+ *
+ * @param {Object} e.changes
+ * An object describing changes that occurred with the "statechanged"
+ * event.
+ */
+
+
+ Plugin.prototype.handleStateChanged = function handleStateChanged(e) {
+ };
+
+ /**
+ * Disposes a plugin.
+ *
+ * Subclasses can override this if they want, but for the sake of safety,
+ * it's probably best to subscribe the "dispose" event.
+ *
+ * @fires Plugin#dispose
+ */
+
+
+ Plugin.prototype.dispose = function dispose() {
+ var name = this.name,
+ player = this.player;
+
+ /**
+ * Signals that a advanced plugin is about to be disposed.
+ *
+ * @event Plugin#dispose
+ * @type {EventTarget~Event}
+ */
+
+ this.trigger('dispose');
+ this.off();
+ player.off('dispose', this.dispose);
+
+ // Eliminate any possible sources of leaking memory by clearing up
+ // references between the player and the plugin instance and nulling out
+ // the plugin's state and replacing methods with a function that throws.
+ player[PLUGIN_CACHE_KEY][name] = false;
+ this.player = this.state = null;
+
+ // Finally, replace the plugin name on the player with a new factory
+ // function, so that the plugin is ready to be set up again.
+ player[name] = createPluginFactory(name, pluginStorage[name]);
+ };
+
+ /**
+ * Determines if a plugin is a basic plugin (i.e. not a sub-class of `Plugin`).
+ *
+ * @param {string|Function} plugin
+ * If a string, matches the name of a plugin. If a function, will be
+ * tested directly.
+ *
+ * @returns {boolean}
+ * Whether or not a plugin is a basic plugin.
+ */
+
+
+ Plugin.isBasic = function isBasic(plugin) {
+ var p = typeof plugin === 'string' ? getPlugin(plugin) : plugin;
+
+ return typeof p === 'function' && !Plugin.prototype.isPrototypeOf(p.prototype);
+ };
+
+ /**
+ * Register a Video.js plugin.
+ *
+ * @param {string} name
+ * The name of the plugin to be registered. Must be a string and
+ * must not match an existing plugin or a method on the `Player`
+ * prototype.
+ *
+ * @param {Function} plugin
+ * A sub-class of `Plugin` or a function for basic plugins.
+ *
+ * @returns {Function}
+ * For advanced plugins, a factory function for that plugin. For
+ * basic plugins, a wrapper function that initializes the plugin.
+ */
+
+
+ Plugin.registerPlugin = function registerPlugin(name, plugin) {
+ if (typeof name !== 'string') {
+ throw new Error('Illegal plugin name, "' + name + '", must be a string, was ' + (typeof name === 'undefined' ? 'undefined' : _typeof(name)) + '.');
+ }
+
+ if (pluginExists(name)) {
+ log$1.warn('A plugin named "' + name + '" already exists. You may want to avoid re-registering plugins!');
+ } else if (Player.prototype.hasOwnProperty(name)) {
+ throw new Error('Illegal plugin name, "' + name + '", cannot share a name with an existing player method!');
+ }
+
+ if (typeof plugin !== 'function') {
+ throw new Error('Illegal plugin for "' + name + '", must be a function, was ' + (typeof plugin === 'undefined' ? 'undefined' : _typeof(plugin)) + '.');
+ }
+
+ pluginStorage[name] = plugin;
+
+ // Add a player prototype method for all sub-classed plugins (but not for
+ // the base Plugin class).
+ if (name !== BASE_PLUGIN_NAME) {
+ if (Plugin.isBasic(plugin)) {
+ Player.prototype[name] = createBasicPlugin(name, plugin);
+ } else {
+ Player.prototype[name] = createPluginFactory(name, plugin);
+ }
+ }
+
+ return plugin;
+ };
+
+ /**
+ * De-register a Video.js plugin.
+ *
+ * @param {string} name
+ * The name of the plugin to be deregistered.
+ */
+
+
+ Plugin.deregisterPlugin = function deregisterPlugin(name) {
+ if (name === BASE_PLUGIN_NAME) {
+ throw new Error('Cannot de-register base plugin.');
+ }
+ if (pluginExists(name)) {
+ delete pluginStorage[name];
+ delete Player.prototype[name];
+ }
+ };
+
+ /**
+ * Gets an object containing multiple Video.js plugins.
+ *
+ * @param {Array} [names]
+ * If provided, should be an array of plugin names. Defaults to _all_
+ * plugin names.
+ *
+ * @returns {Object|undefined}
+ * An object containing plugin(s) associated with their name(s) or
+ * `undefined` if no matching plugins exist).
+ */
+
+
+ Plugin.getPlugins = function getPlugins() {
+ var names = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Object.keys(pluginStorage);
+
+ var result = void 0;
+
+ names.forEach(function (name) {
+ var plugin = getPlugin(name);
+
+ if (plugin) {
+ result = result || {};
+ result[name] = plugin;
+ }
+ });
+
+ return result;
+ };
+
+ /**
+ * Gets a plugin's version, if available
+ *
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {string}
+ * The plugin's version or an empty string.
+ */
+
+
+ Plugin.getPluginVersion = function getPluginVersion(name) {
+ var plugin = getPlugin(name);
+
+ return plugin && plugin.VERSION || '';
+ };
+
+ return Plugin;
+ }();
+
+ /**
+ * Gets a plugin by name if it exists.
+ *
+ * @static
+ * @method getPlugin
+ * @memberOf Plugin
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @returns {Function|undefined}
+ * The plugin (or `undefined`).
+ */
+
+
+ Plugin.getPlugin = getPlugin;
+
+ /**
+ * The name of the base plugin class as it is registered.
+ *
+ * @type {string}
+ */
+ Plugin.BASE_PLUGIN_NAME = BASE_PLUGIN_NAME;
+
+ Plugin.registerPlugin(BASE_PLUGIN_NAME, Plugin);
+
+ /**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+ Player.prototype.usingPlugin = function (name) {
+ return !!this[PLUGIN_CACHE_KEY] && this[PLUGIN_CACHE_KEY][name] === true;
+ };
+
+ /**
+ * Documented in player.js
+ *
+ * @ignore
+ */
+ Player.prototype.hasPlugin = function (name) {
+ return !!pluginExists(name);
+ };
+
+ /**
+ * Signals that a plugin is about to be set up on a player.
+ *
+ * @event Player#beforepluginsetup
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * Signals that a plugin is about to be set up on a player - by name. The name
+ * is the name of the plugin.
+ *
+ * @event Player#beforepluginsetup:$name
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * Signals that a plugin has just been set up on a player.
+ *
+ * @event Player#pluginsetup
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * Signals that a plugin has just been set up on a player - by name. The name
+ * is the name of the plugin.
+ *
+ * @event Player#pluginsetup:$name
+ * @type {Plugin~PluginEventHash}
+ */
+
+ /**
+ * @typedef {Object} Plugin~PluginEventHash
+ *
+ * @property {string} instance
+ * For basic plugins, the return value of the plugin function. For
+ * advanced plugins, the plugin instance on which the event is fired.
+ *
+ * @property {string} name
+ * The name of the plugin.
+ *
+ * @property {string} plugin
+ * For basic plugins, the plugin function. For advanced plugins, the
+ * plugin class/constructor.
+ */
+
+ /**
+ * @file extend.js
+ * @module extend
+ */
+
+ /**
+ * A combination of node inherits and babel's inherits (after transpile).
+ * Both work the same but node adds `super_` to the subClass
+ * and Bable adds the superClass as __proto__. Both seem useful.
+ *
+ * @param {Object} subClass
+ * The class to inherit to
+ *
+ * @param {Object} superClass
+ * The class to inherit from
+ *
+ * @private
+ */
+ var _inherits = function _inherits(subClass, superClass) {
+ if (typeof superClass !== 'function' && superClass !== null) {
+ throw new TypeError('Super expression must either be null or a function, not ' + (typeof superClass === 'undefined' ? 'undefined' : _typeof(superClass)));
+ }
+
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+
+ if (superClass) {
+ // node
+ subClass.super_ = superClass;
+ }
+ };
+
+ /**
+ * Function for subclassing using the same inheritance that
+ * videojs uses internally
+ *
+ * @static
+ * @const
+ *
+ * @param {Object} superClass
+ * The class to inherit from
+ *
+ * @param {Object} [subClassMethods={}]
+ * The class to inherit to
+ *
+ * @return {Object}
+ * The new object with subClassMethods that inherited superClass.
+ */
+ var extendFn = function extendFn(superClass) {
+ var subClassMethods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+
+ var subClass = function subClass() {
+ superClass.apply(this, arguments);
+ };
+
+ var methods = {};
+
+ if ((typeof subClassMethods === 'undefined' ? 'undefined' : _typeof(subClassMethods)) === 'object') {
+ if (subClassMethods.constructor !== Object.prototype.constructor) {
+ subClass = subClassMethods.constructor;
+ }
+ methods = subClassMethods;
+ } else if (typeof subClassMethods === 'function') {
+ subClass = subClassMethods;
+ }
+
+ _inherits(subClass, superClass);
+
+ // Extend subObj's prototype with functions and other properties from props
+ for (var name in methods) {
+ if (methods.hasOwnProperty(name)) {
+ subClass.prototype[name] = methods[name];
+ }
+ }
+
+ return subClass;
+ };
+
+ /**
+ * @file video.js
+ * @module videojs
+ */
+// Include the built-in techs
+// HTML5 Element Shim for IE8
+ if (typeof HTMLVideoElement === 'undefined' && isReal()) {
+ document_1.createElement('video');
+ document_1.createElement('audio');
+ document_1.createElement('track');
+ }
+
+ /**
+ * Doubles as the main function for users to create a player instance and also
+ * the main library object.
+ * The `videojs` function can be used to initialize or retrieve a player.
+ *
+ * @param {string|Element} id
+ * Video element or video element ID
+ *
+ * @param {Object} [options]
+ * Optional options object for config/settings
+ *
+ * @param {Component~ReadyCallback} [ready]
+ * Optional ready callback
+ *
+ * @return {Player}
+ * A player instance
+ */
+ function videojs(id, options, ready) {
+ var tag = void 0;
+
+ // Allow for element or ID to be passed in
+ // String ID
+ if (typeof id === 'string') {
+ var players = videojs.getPlayers();
+
+ // Adjust for jQuery ID syntax
+ if (id.indexOf('#') === 0) {
+ id = id.slice(1);
+ }
+
+ // If a player instance has already been created for this ID return it.
+ if (players[id]) {
+
+ // If options or ready function are passed, warn
+ if (options) {
+ log$1.warn('Player "' + id + '" is already initialised. Options will not be applied.');
+ }
+
+ if (ready) {
+ players[id].ready(ready);
+ }
+
+ return players[id];
+ }
+
+ // Otherwise get element for ID
+ tag = $('#' + id);
+
+ // ID is a media element
+ } else {
+ tag = id;
+ }
+
+ // Check for a useable element
+ // re: nodeName, could be a box div also
+ if (!tag || !tag.nodeName) {
+ throw new TypeError('The element or ID supplied is not valid. (videojs)');
+ }
+
+ // Check if element is included in the DOM
+ if (isEl(tag) && !document_1.body.contains(tag)) {
+ log$1.warn('The element supplied is not included in the DOM');
+ }
+
+ // Element may have a player attr referring to an already created player instance.
+ // If so return that otherwise set up a new player below
+ if (tag.player || Player.players[tag.playerId]) {
+ return tag.player || Player.players[tag.playerId];
+ }
+
+ options = options || {};
+
+ videojs.hooks('beforesetup').forEach(function (hookFunction) {
+ var opts = hookFunction(tag, mergeOptions(options));
+
+ if (!isObject(opts) || Array.isArray(opts)) {
+ log$1.error('please return an object in beforesetup hooks');
+ return;
+ }
+
+ options = mergeOptions(options, opts);
+ });
+
+ var PlayerComponent = Component.getComponent('Player');
+ // If not, set up a new player
+ var player = new PlayerComponent(tag, options, ready);
+
+ videojs.hooks('setup').forEach(function (hookFunction) {
+ return hookFunction(player);
+ });
+
+ return player;
+ }
+
+ /**
+ * An Object that contains lifecycle hooks as keys which point to an array
+ * of functions that are run when a lifecycle is triggered
+ */
+ videojs.hooks_ = {};
+
+ /**
+ * Get a list of hooks for a specific lifecycle
+ * @function videojs.hooks
+ *
+ * @param {string} type
+ * the lifecyle to get hooks from
+ *
+ * @param {Function|Function[]} [fn]
+ * Optionally add a hook (or hooks) to the lifecycle that your are getting.
+ *
+ * @return {Array}
+ * an array of hooks, or an empty array if there are none.
+ */
+ videojs.hooks = function (type, fn) {
+ videojs.hooks_[type] = videojs.hooks_[type] || [];
+ if (fn) {
+ videojs.hooks_[type] = videojs.hooks_[type].concat(fn);
+ }
+ return videojs.hooks_[type];
+ };
+
+ /**
+ * Add a function hook to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ * The function or array of functions to attach.
+ */
+ videojs.hook = function (type, fn) {
+ videojs.hooks(type, fn);
+ };
+
+ /**
+ * Add a function hook that will only run once to a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle to hook the function to.
+ *
+ * @param {Function|Function[]}
+ * The function or array of functions to attach.
+ */
+ videojs.hookOnce = function (type, fn) {
+ videojs.hooks(type, [].concat(fn).map(function (original) {
+ var wrapper = function wrapper() {
+ videojs.removeHook(type, wrapper);
+ original.apply(undefined, arguments);
+ };
+
+ return wrapper;
+ }));
+ };
+
+ /**
+ * Remove a hook from a specific videojs lifecycle.
+ *
+ * @param {string} type
+ * the lifecycle that the function hooked to
+ *
+ * @param {Function} fn
+ * The hooked function to remove
+ *
+ * @return {boolean}
+ * The function that was removed or undef
+ */
+ videojs.removeHook = function (type, fn) {
+ var index$$1 = videojs.hooks(type).indexOf(fn);
+
+ if (index$$1 <= -1) {
+ return false;
+ }
+
+ videojs.hooks_[type] = videojs.hooks_[type].slice();
+ videojs.hooks_[type].splice(index$$1, 1);
+
+ return true;
+ };
+
+// Add default styles
+ if (window_1.VIDEOJS_NO_DYNAMIC_STYLE !== true && isReal()) {
+ var style = $('.vjs-styles-defaults');
+
+ if (!style) {
+ style = createStyleElement('vjs-styles-defaults');
+ var head = $('head');
+
+ if (head) {
+ head.insertBefore(style, head.firstChild);
+ }
+ setTextContent(style, '\n .video-js {\n width: 300px;\n height: 150px;\n }\n\n .vjs-fluid {\n padding-top: 56.25%\n }\n ');
+ }
+ }
+
+// Run Auto-load players
+// You have to wait at least once in case this script is loaded after your
+// video in the DOM (weird behavior only with minified version)
+ autoSetupTimeout(1, videojs);
+
+ /**
+ * Current software version. Follows semver.
+ *
+ * @type {string}
+ */
+ videojs.VERSION = version;
+
+ /**
+ * The global options object. These are the settings that take effect
+ * if no overrides are specified when the player is created.
+ *
+ * @type {Object}
+ */
+ videojs.options = Player.prototype.options_;
+
+ /**
+ * Get an object with the currently created players, keyed by player ID
+ *
+ * @return {Object}
+ * The created players
+ */
+ videojs.getPlayers = function () {
+ return Player.players;
+ };
+
+ /**
+ * Expose players object.
+ *
+ * @memberOf videojs
+ * @property {Object} players
+ */
+ videojs.players = Player.players;
+
+ /**
+ * Get a component class object by name
+ *
+ * @borrows Component.getComponent as videojs.getComponent
+ */
+ videojs.getComponent = Component.getComponent;
+
+ /**
+ * Register a component so it can referred to by name. Used when adding to other
+ * components, either through addChild `component.addChild('myComponent')` or through
+ * default children options `{ children: ['myComponent'] }`.
+ *
+ * > NOTE: You could also just initialize the component before adding.
+ * `component.addChild(new MyComponent());`
+ *
+ * @param {string} name
+ * The class name of the component
+ *
+ * @param {Component} comp
+ * The component class
+ *
+ * @return {Component}
+ * The newly registered component
+ */
+ videojs.registerComponent = function (name$$1, comp) {
+ if (Tech.isTech(comp)) {
+ log$1.warn('The ' + name$$1 + ' tech was registered as a component. It should instead be registered using videojs.registerTech(name, tech)');
+ }
+
+ Component.registerComponent.call(Component, name$$1, comp);
+ };
+
+ /**
+ * Get a Tech class object by name
+ *
+ * @borrows Tech.getTech as videojs.getTech
+ */
+ videojs.getTech = Tech.getTech;
+
+ /**
+ * Register a Tech so it can referred to by name.
+ * This is used in the tech order for the player.
+ *
+ * @borrows Tech.registerTech as videojs.registerTech
+ */
+ videojs.registerTech = Tech.registerTech;
+
+ videojs.use = use;
+
+ /**
+ * A suite of browser and device tests from {@link browser}.
+ *
+ * @type {Object}
+ * @private
+ */
+ videojs.browser = browser;
+
+ /**
+ * Whether or not the browser supports touch events. Included for backward
+ * compatibility with 4.x, but deprecated. Use `videojs.browser.TOUCH_ENABLED`
+ * instead going forward.
+ *
+ * @deprecated since version 5.0
+ * @type {boolean}
+ */
+ videojs.TOUCH_ENABLED = TOUCH_ENABLED;
+
+ /**
+ * Subclass an existing class
+ * Mimics ES6 subclassing with the `extend` keyword
+ *
+ * @borrows extend:extendFn as videojs.extend
+ */
+ videojs.extend = extendFn;
+
+ /**
+ * Merge two options objects recursively
+ * Performs a deep merge like lodash.merge but **only merges plain objects**
+ * (not arrays, elements, anything else)
+ * Other values will be copied directly from the second object.
+ *
+ * @borrows merge-options:mergeOptions as videojs.mergeOptions
+ */
+ videojs.mergeOptions = mergeOptions;
+
+ /**
+ * Change the context (this) of a function
+ *
+ * > NOTE: as of v5.0 we require an ES5 shim, so you should use the native
+ * `function() {}.bind(newContext);` instead of this.
+ *
+ * @borrows fn:bind as videojs.bind
+ */
+ videojs.bind = bind;
+
+ /**
+ * Register a Video.js plugin.
+ *
+ * @borrows plugin:registerPlugin as videojs.registerPlugin
+ * @method registerPlugin
+ *
+ * @param {string} name
+ * The name of the plugin to be registered. Must be a string and
+ * must not match an existing plugin or a method on the `Player`
+ * prototype.
+ *
+ * @param {Function} plugin
+ * A sub-class of `Plugin` or a function for basic plugins.
+ *
+ * @return {Function}
+ * For advanced plugins, a factory function for that plugin. For
+ * basic plugins, a wrapper function that initializes the plugin.
+ */
+ videojs.registerPlugin = Plugin.registerPlugin;
+
+ /**
+ * Deprecated method to register a plugin with Video.js
+ *
+ * @deprecated
+ * videojs.plugin() is deprecated; use videojs.registerPlugin() instead
+ *
+ * @param {string} name
+ * The plugin name
+ *
+ * @param {Plugin|Function} plugin
+ * The plugin sub-class or function
+ */
+ videojs.plugin = function (name$$1, plugin) {
+ log$1.warn('videojs.plugin() is deprecated; use videojs.registerPlugin() instead');
+ return Plugin.registerPlugin(name$$1, plugin);
+ };
+
+ /**
+ * Gets an object containing multiple Video.js plugins.
+ *
+ * @param {Array} [names]
+ * If provided, should be an array of plugin names. Defaults to _all_
+ * plugin names.
+ *
+ * @return {Object|undefined}
+ * An object containing plugin(s) associated with their name(s) or
+ * `undefined` if no matching plugins exist).
+ */
+ videojs.getPlugins = Plugin.getPlugins;
+
+ /**
+ * Gets a plugin by name if it exists.
+ *
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {Function|undefined}
+ * The plugin (or `undefined`).
+ */
+ videojs.getPlugin = Plugin.getPlugin;
+
+ /**
+ * Gets a plugin's version, if available
+ *
+ * @param {string} name
+ * The name of a plugin.
+ *
+ * @return {string}
+ * The plugin's version or an empty string.
+ */
+ videojs.getPluginVersion = Plugin.getPluginVersion;
+
+ /**
+ * Adding languages so that they're available to all players.
+ * Example: `videojs.addLanguage('es', { 'Hello': 'Hola' });`
+ *
+ * @param {string} code
+ * The language code or dictionary property
+ *
+ * @param {Object} data
+ * The data values to be translated
+ *
+ * @return {Object}
+ * The resulting language dictionary object
+ */
+ videojs.addLanguage = function (code, data) {
+ var _mergeOptions;
+
+ code = ('' + code).toLowerCase();
+
+ videojs.options.languages = mergeOptions(videojs.options.languages, (_mergeOptions = {}, _mergeOptions[code] = data, _mergeOptions));
+
+ return videojs.options.languages[code];
+ };
+
+ /**
+ * Log messages
+ *
+ * @borrows log:log as videojs.log
+ */
+ videojs.log = log$1;
+
+ /**
+ * Creates an emulated TimeRange object.
+ *
+ * @borrows time-ranges:createTimeRanges as videojs.createTimeRange
+ */
+ /**
+ * @borrows time-ranges:createTimeRanges as videojs.createTimeRanges
+ */
+ videojs.createTimeRange = videojs.createTimeRanges = createTimeRanges;
+
+ /**
+ * Format seconds as a time string, H:MM:SS or M:SS
+ * Supplying a guide (in seconds) will force a number of leading zeros
+ * to cover the length of the guide
+ *
+ * @borrows format-time:formatTime as videojs.formatTime
+ */
+ videojs.formatTime = formatTime;
+
+ /**
+ * Resolve and parse the elements of a URL
+ *
+ * @borrows url:parseUrl as videojs.parseUrl
+ */
+ videojs.parseUrl = parseUrl;
+
+ /**
+ * Returns whether the url passed is a cross domain request or not.
+ *
+ * @borrows url:isCrossOrigin as videojs.isCrossOrigin
+ */
+ videojs.isCrossOrigin = isCrossOrigin;
+
+ /**
+ * Event target class.
+ *
+ * @borrows EventTarget as videojs.EventTarget
+ */
+ videojs.EventTarget = EventTarget;
+
+ /**
+ * Add an event listener to element
+ * It stores the handler function in a separate cache object
+ * and adds a generic handler to the element's event,
+ * along with a unique id (guid) to the element.
+ *
+ * @borrows events:on as videojs.on
+ */
+ videojs.on = on;
+
+ /**
+ * Trigger a listener only once for an event
+ *
+ * @borrows events:one as videojs.one
+ */
+ videojs.one = one;
+
+ /**
+ * Removes event listeners from an element
+ *
+ * @borrows events:off as videojs.off
+ */
+ videojs.off = off;
+
+ /**
+ * Trigger an event for an element
+ *
+ * @borrows events:trigger as videojs.trigger
+ */
+ videojs.trigger = trigger;
+
+ /**
+ * A cross-browser XMLHttpRequest wrapper. Here's a simple example:
+ *
+ * @param {Object} options
+ * settings for the request.
+ *
+ * @return {XMLHttpRequest|XDomainRequest}
+ * The request object.
+ *
+ * @see https://github.com/Raynos/xhr
+ */
+ videojs.xhr = index;
+
+ /**
+ * TextTrack class
+ *
+ * @borrows TextTrack as videojs.TextTrack
+ */
+ videojs.TextTrack = TextTrack;
+
+ /**
+ * export the AudioTrack class so that source handlers can create
+ * AudioTracks and then add them to the players AudioTrackList
+ *
+ * @borrows AudioTrack as videojs.AudioTrack
+ */
+ videojs.AudioTrack = AudioTrack;
+
+ /**
+ * export the VideoTrack class so that source handlers can create
+ * VideoTracks and then add them to the players VideoTrackList
+ *
+ * @borrows VideoTrack as videojs.VideoTrack
+ */
+ videojs.VideoTrack = VideoTrack;
+
+ /**
+ * Determines, via duck typing, whether or not a value is a DOM element.
+ *
+ * @borrows dom:isEl as videojs.isEl
+ * @deprecated Use videojs.dom.isEl() instead
+ */
+
+ /**
+ * Determines, via duck typing, whether or not a value is a text node.
+ *
+ * @borrows dom:isTextNode as videojs.isTextNode
+ * @deprecated Use videojs.dom.isTextNode() instead
+ */
+
+ /**
+ * Creates an element and applies properties.
+ *
+ * @borrows dom:createEl as videojs.createEl
+ * @deprecated Use videojs.dom.createEl() instead
+ */
+
+ /**
+ * Check if an element has a CSS class
+ *
+ * @borrows dom:hasElClass as videojs.hasClass
+ * @deprecated Use videojs.dom.hasClass() instead
+ */
+
+ /**
+ * Add a CSS class name to an element
+ *
+ * @borrows dom:addElClass as videojs.addClass
+ * @deprecated Use videojs.dom.addClass() instead
+ */
+
+ /**
+ * Remove a CSS class name from an element
+ *
+ * @borrows dom:removeElClass as videojs.removeClass
+ * @deprecated Use videojs.dom.removeClass() instead
+ */
+
+ /**
+ * Adds or removes a CSS class name on an element depending on an optional
+ * condition or the presence/absence of the class name.
+ *
+ * @borrows dom:toggleElClass as videojs.toggleClass
+ * @deprecated Use videojs.dom.toggleClass() instead
+ */
+
+ /**
+ * Apply attributes to an HTML element.
+ *
+ * @borrows dom:setElAttributes as videojs.setAttribute
+ * @deprecated Use videojs.dom.setAttributes() instead
+ */
+
+ /**
+ * Get an element's attribute values, as defined on the HTML tag
+ * Attributes are not the same as properties. They're defined on the tag
+ * or with setAttribute (which shouldn't be used with HTML)
+ * This will return true or false for boolean attributes.
+ *
+ * @borrows dom:getElAttributes as videojs.getAttributes
+ * @deprecated Use videojs.dom.getAttributes() instead
+ */
+
+ /**
+ * Empties the contents of an element.
+ *
+ * @borrows dom:emptyEl as videojs.emptyEl
+ * @deprecated Use videojs.dom.emptyEl() instead
+ */
+
+ /**
+ * Normalizes and appends content to an element.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * - String
+ * Normalized into a text node.
+ *
+ * - Element, TextNode
+ * Passed through.
+ *
+ * - Array
+ * A one-dimensional array of strings, elements, nodes, or functions (which
+ * return single strings, elements, or nodes).
+ *
+ * - Function
+ * If the sole argument, is expected to produce a string, element,
+ * node, or array.
+ *
+ * @borrows dom:appendContents as videojs.appendContet
+ * @deprecated Use videojs.dom.appendContent() instead
+ */
+
+ /**
+ * Normalizes and inserts content into an element; this is identical to
+ * `appendContent()`, except it empties the element first.
+ *
+ * The content for an element can be passed in multiple types and
+ * combinations, whose behavior is as follows:
+ *
+ * - String
+ * Normalized into a text node.
+ *
+ * - Element, TextNode
+ * Passed through.
+ *
+ * - Array
+ * A one-dimensional array of strings, elements, nodes, or functions (which
+ * return single strings, elements, or nodes).
+ *
+ * - Function
+ * If the sole argument, is expected to produce a string, element,
+ * node, or array.
+ *
+ * @borrows dom:insertContent as videojs.insertContent
+ * @deprecated Use videojs.dom.insertContent() instead
+ */
+ ['isEl', 'isTextNode', 'createEl', 'hasClass', 'addClass', 'removeClass', 'toggleClass', 'setAttributes', 'getAttributes', 'emptyEl', 'appendContent', 'insertContent'].forEach(function (k) {
+ videojs[k] = function () {
+ log$1.warn('videojs.' + k + '() is deprecated; use videojs.dom.' + k + '() instead');
+ return Dom[k].apply(null, arguments);
+ };
+ });
+
+ /**
+ * A safe getComputedStyle with an IE8 fallback.
+ *
+ * This is because in Firefox, if the player is loaded in an iframe with `display:none`,
+ * then `getComputedStyle` returns `null`, so, we do a null-check to make sure
+ * that the player doesn't break in these cases.
+ * See https://bugzilla.mozilla.org/show_bug.cgi?id=548397 for more details.
+ *
+ * @borrows computed-style:computedStyle as videojs.computedStyle
+ */
+ videojs.computedStyle = computedStyle;
+
+ /**
+ * Export the Dom utilities for use in external plugins
+ * and Tech's
+ */
+ videojs.dom = Dom;
+
+ /**
+ * Export the Url utilities for use in external plugins
+ * and Tech's
+ */
+ videojs.url = Url;
+
+ return videojs;
+
+})));
+
+!function () {
+ !function (a) {
+ var b = a && a.videojs;
+ b && (b.CDN_VERSION = "6.4.0")
+ }(window), function (a, b, c, d, e, f, g) {
+ b && b.HELP_IMPROVE_VIDEOJS !== !1 && (e.random() > .01 || (f = b.location, g = b.videojs || {}, a.src = "//www.google-analytics.com/__utm.gif?utmwv=5.4.2&utmac=UA-16505296-3&utmn=1&utmhn=" + d(f.hostname) + "&utmsr=" + b.screen.availWidth + "x" + b.screen.availHeight + "&utmul=" + (c.language || c.userLanguage || "").toLowerCase() + "&utmr=" + d(f.href) + "&utmp=" + d(f.hostname + f.pathname) + "&utmcc=__utma%3D1." + e.floor(1e10 * e.random()) + ".1.1.1.1%3B&utme=8(vjsv*cdnv)9(" + g.VERSION + "*" + g.CDN_VERSION + ")"))
+ }(new Image, window, navigator, encodeURIComponent, Math)
+}();
\ No newline at end of file
projects / fluidbook-html5.git / commitdiff