/** * @license * Video.js 7.18.1 * Copyright Brightcove, Inc. * Available under Apache License Version 2.0 * * * Includes vtt.js * Available under Apache License Version 2.0 * */ import window$1 from 'global/window'; import document from 'global/document'; import _extends from '@babel/runtime/helpers/extends'; import keycode from 'keycode'; import _assertThisInitialized from '@babel/runtime/helpers/assertThisInitialized'; import _inheritsLoose from '@babel/runtime/helpers/inheritsLoose'; import safeParseTuple from 'safe-json-parse/tuple'; import XHR from '@videojs/xhr'; import vtt from 'videojs-vtt.js'; import _construct from '@babel/runtime/helpers/construct'; import _inherits from '@babel/runtime/helpers/inherits'; import _resolveUrl from '@videojs/vhs-utils/es/resolve-url.js'; import { Parser } from 'm3u8-parser'; import { browserSupportsCodec, DEFAULT_VIDEO_CODEC, DEFAULT_AUDIO_CODEC, muxerSupportsCodec, parseCodecs, translateLegacyCodec, codecsFromDefault, getMimeForCodec, isAudioCodec } from '@videojs/vhs-utils/es/codecs.js'; import { simpleTypeFromSourceType } from '@videojs/vhs-utils/es/media-types.js'; import { generateSidxKey, parseUTCTiming, parse, addSidxSegmentsToPlaylist } from 'mpd-parser'; import parseSidx from 'mux.js/lib/tools/parse-sidx'; import { getId3Offset } from '@videojs/vhs-utils/es/id3-helpers'; import { detectContainerForBytes, isLikelyFmp4MediaSegment } from '@videojs/vhs-utils/es/containers'; import { concatTypedArrays, stringToBytes, toUint8 } from '@videojs/vhs-utils/es/byte-helpers'; import { ONE_SECOND_IN_TS } from 'mux.js/lib/utils/clock'; var version$5 = "7.18.1"; /** * An Object that contains lifecycle hooks as keys which point to an array * of functions that are run when a lifecycle is triggered * * @private */ var hooks_ = {}; /** * Get a list of hooks for a specific lifecycle * * @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. */ var hooks = function hooks(type, fn) { hooks_[type] = hooks_[type] || []; if (fn) { hooks_[type] = hooks_[type].concat(fn); } return 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. */ var hook = function hook(type, fn) { hooks(type, fn); }; /** * 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 */ var removeHook = function removeHook(type, fn) { var index = hooks(type).indexOf(fn); if (index <= -1) { return false; } hooks_[type] = hooks_[type].slice(); hooks_[type].splice(index, 1); return true; }; /** * 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. */ var hookOnce = function hookOnce(type, fn) { hooks(type, [].concat(fn).map(function (original) { var wrapper = function wrapper() { removeHook(type, wrapper); return original.apply(void 0, arguments); }; return wrapper; })); }; /** * @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 = { prefixed: true }; // browser API methods var apiMap = [['requestFullscreen', 'exitFullscreen', 'fullscreenElement', 'fullscreenEnabled', 'fullscreenchange', 'fullscreenerror', 'fullscreen'], // WebKit ['webkitRequestFullscreen', 'webkitExitFullscreen', 'webkitFullscreenElement', 'webkitFullscreenEnabled', 'webkitfullscreenchange', 'webkitfullscreenerror', '-webkit-full-screen'], // Mozilla ['mozRequestFullScreen', 'mozCancelFullScreen', 'mozFullScreenElement', 'mozFullScreenEnabled', 'mozfullscreenchange', 'mozfullscreenerror', '-moz-full-screen'], // Microsoft ['msRequestFullscreen', 'msExitFullscreen', 'msFullscreenElement', 'msFullscreenEnabled', 'MSFullscreenChange', 'MSFullscreenError', '-ms-fullscreen']]; var specApi = apiMap[0]; var browserApi; // determine the supported set of functions for (var i = 0; i < apiMap.length; i++) { // check for exitFullscreen function if (apiMap[i][1] in document) { 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]; } FullscreenApi.prefixed = browserApi[0] !== specApi[0]; } /** * @file create-logger.js * @module create-logger */ 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. */ var LogByTypeFactory = function LogByTypeFactory(name, log) { return function (type, level, args) { 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 console prefix after adding to history. args.unshift(name + ':'); // Add a clone of the args at this point to history. if (history) { history.push([].concat(args)); // only store 1000 history entries var splice = history.length - 1000; history.splice(0, splice > 0 ? splice : 0); } // If there's no console then don't try to output messages, but they will // still be stored in history. if (!window$1.console) { return; } // 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[type]; if (!fn && type === 'debug') { // Certain browsers don't have support for console.debug. For those, we // should default to the closest comparable log. fn = window$1.console.info || window$1.console.log; } // 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; } fn[Array.isArray(args) ? 'apply' : 'call'](window$1.console, args); }; }; function createLogger$1(name) { // This is the private tracking variable for logging level. var level = 'info'; // the curried logByType bound to the specific log and history var logByType; /** * Logs plain debug messages. Similar to `console.log`. * * Due to [limitations](https://github.com/jsdoc3/jsdoc/issues/955#issuecomment-313829149) * of our JSDoc template, we cannot properly document this as both a function * and a namespace, so its function signature is documented here. * * #### Arguments * ##### *args * Mixed[] * * Any combination of values that could be passed to `console.log()`. * * #### Return Value * * `undefined` * * @namespace * @param {Mixed[]} args * One or more messages or objects that should be logged. */ var log = function log() { for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } logByType('log', level, args); }; // This is the logByType helper that the logging methods below use logByType = LogByTypeFactory(name, log); /** * Create a new sublogger which chains the old name to the new name. * * For example, doing `videojs.log.createLogger('player')` and then using that logger will log the following: * ```js * mylogger('foo'); * // > VIDEOJS: player: foo * ``` * * @param {string} name * The name to add call the new logger * @return {Object} */ log.createLogger = function (subname) { return createLogger$1(name + ': ' + subname); }; /** * 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`: Matches only Video.js-provided functions (`debug`, `log`, * `log.warn`, and `log.error`). * - `debug`: Matches `log.debug`, `log`, `log.warn`, and `log.error` calls. * - `info` (default): Matches `log`, `log.warn`, and `log.error` calls. * - `warn`: Matches `log.warn` and `log.error` calls. * - `error`: Matches only `log.error` calls. * * @type {Object} */ log.levels = { all: 'debug|log|warn|error', off: '', debug: 'debug|log|warn|error', info: 'log|warn|error', warn: 'warn|error', error: 'error', DEFAULT: level }; /** * Get or set the current logging level. * * If a string matching a key from {@link module:log.levels} is provided, acts * as a setter. * * @param {string} [lvl] * Pass a valid level 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) : []; }; /** * Allows you to filter the history by the given logger name * * @param {string} fname * The name to filter by * * @return {Array} * The filtered list to return */ log.history.filter = function (fname) { return (history || []).filter(function (historyItem) { // if the first item in each historyItem includes `fname`, then it's a match return new RegExp(".*" + fname + ".*").test(historyItem[0]); }); }; /** * 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 = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { args[_key2] = arguments[_key2]; } return logByType('error', level, 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 = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { args[_key3] = arguments[_key3]; } return logByType('warn', level, args); }; /** * Logs debug messages. Similar to `console.debug`, but may also act as a comparable * log if `console.debug` is not available * * @param {Mixed[]} args * One or more messages or objects that should be logged as debug. */ log.debug = function () { for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { args[_key4] = arguments[_key4]; } return logByType('debug', level, args); }; return log; } /** * @file log.js * @module log */ var log$1 = createLogger$1('VIDEOJS'); var createLogger = log$1.createLogger; /** * @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, initial) { if (initial === void 0) { initial = 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 = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) { sources[_key - 1] = arguments[_key]; } if (Object.assign) { return _extends.apply(void 0, [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 === '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 computed-style.js * @module computed-style */ /** * A safe getComputedStyle. * * 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. * * @function * @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 */ function computedStyle(el, prop) { if (!el || !prop) { return ''; } if (typeof window$1.getComputedStyle === 'function') { var computedStyleValue; try { computedStyleValue = window$1.getComputedStyle(el); } catch (e) { return ''; } return computedStyleValue ? computedStyleValue.getPropertyValue(prop) || computedStyleValue[prop] : ''; } return ''; } /** * @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; /** * Whether or not this device is an iPod. * * @static * @const * @type {Boolean} */ var IS_IPOD = /iPod/i.test(USER_AGENT); /** * The detected iOS version - or `null`. * * @static * @const * @type {string|null} */ var IOS_VERSION = function () { var match = USER_AGENT.match(/OS (\d+)_/i); if (match && match[1]) { return match[1]; } return null; }(); /** * Whether or not this is an Android device. * * @static * @const * @type {Boolean} */ var IS_ANDROID = /Android/i.test(USER_AGENT); /** * The detected Android version - or `null`. * * @static * @const * @type {number|string|null} */ 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; }(); /** * Whether or not this is a native Android browser. * * @static * @const * @type {Boolean} */ var IS_NATIVE_ANDROID = IS_ANDROID && ANDROID_VERSION < 5 && appleWebkitVersion < 537; /** * Whether or not this is Mozilla Firefox. * * @static * @const * @type {Boolean} */ var IS_FIREFOX = /Firefox/i.test(USER_AGENT); /** * Whether or not this is Microsoft Edge. * * @static * @const * @type {Boolean} */ var IS_EDGE = /Edg/i.test(USER_AGENT); /** * Whether or not this is Google Chrome. * * This will also be `true` for Chrome on iOS, which will have different support * as it is actually Safari under the hood. * * @static * @const * @type {Boolean} */ var IS_CHROME = !IS_EDGE && (/Chrome/i.test(USER_AGENT) || /CriOS/i.test(USER_AGENT)); /** * The detected Google Chrome version - or `null`. * * @static * @const * @type {number|null} */ var CHROME_VERSION = function () { var match = USER_AGENT.match(/(Chrome|CriOS)\/(\d+)/); if (match && match[2]) { return parseFloat(match[2]); } return null; }(); /** * The detected Internet Explorer version - or `null`. * * @static * @const * @type {number|null} */ 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; }(); /** * Whether or not this is desktop Safari. * * @static * @const * @type {Boolean} */ var IS_SAFARI = /Safari/i.test(USER_AGENT) && !IS_CHROME && !IS_ANDROID && !IS_EDGE; /** * Whether or not this is a Windows machine. * * @static * @const * @type {Boolean} */ var IS_WINDOWS = /Windows/i.test(USER_AGENT); /** * Whether or not this device is touch-enabled. * * @static * @const * @type {Boolean} */ var TOUCH_ENABLED = Boolean(isReal() && ('ontouchstart' in window$1 || window$1.navigator.maxTouchPoints || window$1.DocumentTouch && window$1.document instanceof window$1.DocumentTouch)); /** * Whether or not this device is an iPad. * * @static * @const * @type {Boolean} */ var IS_IPAD = /iPad/i.test(USER_AGENT) || IS_SAFARI && TOUCH_ENABLED && !/iPhone/i.test(USER_AGENT); /** * Whether or not this device is an iPhone. * * @static * @const * @type {Boolean} */ // 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; /** * Whether or not this is an iOS device. * * @static * @const * @type {Boolean} */ var IS_IOS = IS_IPHONE || IS_IPAD || IS_IPOD; /** * Whether or not this is any flavor of Safari - including iOS. * * @static * @const * @type {Boolean} */ var IS_ANY_SAFARI = (IS_SAFARI || IS_IOS) && !IS_CHROME; var browser = /*#__PURE__*/Object.freeze({ __proto__: null, IS_IPOD: IS_IPOD, IOS_VERSION: IOS_VERSION, IS_ANDROID: IS_ANDROID, ANDROID_VERSION: ANDROID_VERSION, IS_NATIVE_ANDROID: IS_NATIVE_ANDROID, IS_FIREFOX: IS_FIREFOX, IS_EDGE: IS_EDGE, IS_CHROME: IS_CHROME, CHROME_VERSION: CHROME_VERSION, IE_VERSION: IE_VERSION, IS_SAFARI: IS_SAFARI, IS_WINDOWS: IS_WINDOWS, TOUCH_ENABLED: TOUCH_ENABLED, IS_IPAD: IS_IPAD, IS_IPHONE: IS_IPHONE, IS_IOS: IS_IOS, IS_ANY_SAFARI: IS_ANY_SAFARI }); /** * @file dom.js * @module dom */ /** * Detect if a value is a string with any non-whitespace characters. * * @private * @param {string} str * The string to check * * @return {boolean} * Will be `true` if the string is non-blank, `false` otherwise. * */ function isNonBlankString(str) { // we use str.trim as it will trim any whitespace characters // from the front or back of non-whitespace characters. aka // Any string that contains non-whitespace characters will // still contain them after `trim` but whitespace only strings // will have a length of 0, failing this check. return typeof str === 'string' && Boolean(str.trim()); } /** * Throws an error if the passed string has whitespace. This is used by * class methods to be relatively consistent with the classList API. * * @private * @param {string} str * The string to check for whitespace. * * @throws {Error} * Throws an error if there is whitespace in the string. */ function throwIfWhitespace(str) { // str.indexOf instead of regex because str.indexOf is faster performance wise. if (str.indexOf(' ') >= 0) { throw new Error('class has illegal whitespace characters'); } } /** * Produce a regular expression for matching a className within an elements className. * * @private * @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 (i.e. not simulated). * * @return {boolean} * Will be `true` if the DOM appears to be real, `false` otherwise. */ function isReal() { // Both document and window will never be undefined thanks to `global`. return document === window$1.document; } /** * Determines, via duck typing, whether or not a value is a DOM element. * * @param {Mixed} value * The value to check. * * @return {boolean} * Will be `true` if the value 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} * Will be `true` if the DOM is embedded in an iframe, `false` * otherwise. */ 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. * * @private * @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[method](null); } if (isNonBlankString(context)) { context = document.querySelector(context); } var ctx = isEl(context) ? context : document; return ctx[method] && ctx[method](selector); }; } /** * Creates an element and applies properties, attributes, and inserts content. * * @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 {module:dom~ContentDescriptor} content * A content descriptor object. * * @return {Element} * The element that was created. */ function createEl(tagName, properties, attributes, content) { if (tagName === void 0) { tagName = 'div'; } if (properties === void 0) { properties = {}; } if (attributes === void 0) { attributes = {}; } var el = document.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('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 " + propName + " to " + 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 if (el[propName] !== val || propName === 'tabIndex') { 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 class name. * * @param {Element} element * Element to check * * @param {string} classToCheck * Class name to check for * * @return {boolean} * Will be `true` if the element has a 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 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 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) { // Protect in case the player gets disposed if (!element) { log$1.warn("removeClass was called with an element that doesn't exist"); return null; } 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 toggleClass. * * @callback module: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` is returned, the `classToToggle` will be added to the * `element`. If `false`, the `classToToggle` will be removed from * the `element`. If `undefined`, the callback will be ignored. */ /** * Adds or removes a class name to/from 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|module:dom~PredicateCallback} [predicate] * See the return value for {@link module:dom~PredicateCallback} * * @return {Element} * The element with a class that has been toggled. */ function toggleClass(element, classToToggle, predicate) { // This CANNOT use `classList` internally because IE11 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. * * @param {Element} tag * Element from which to get tag attributes. * * @return {Object} * All attributes of the element. Boolean attributes will be `true` or * `false`, others will be strings. */ function getAttributes(tag) { var obj = {}; // known boolean attributes // we can check for matching boolean properties, but not all browsers // and not all tags know about these attributes, so, we still want to check them manually 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} * The 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. */ function blockTextSelection() { document.body.focus(); document.onselectstart = function () { return false; }; } /** * Turn off text selection blocking. */ function unblockTextSelection() { document.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 object - or `undefined` if it cannot. */ 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; } } /** * Represents the position of a DOM element on the page. * * @typedef {Object} module:dom~Position * * @property {number} left * Pixels to the left. * * @property {number} top * Pixels from the top. */ /** * Get the position of an element in the DOM. * * Uses `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) { if (!el || el && !el.offsetParent) { return { left: 0, top: 0, width: 0, height: 0 }; } var width = el.offsetWidth; var height = el.offsetHeight; var left = 0; var top = 0; while (el.offsetParent && el !== document[FullscreenApi.fullscreenElement]) { left += el.offsetLeft; top += el.offsetTop; el = el.offsetParent; } return { left: left, top: top, width: width, height: height }; } /** * Represents x and y coordinates for a DOM element or mouse pointer. * * @typedef {Object} module:dom~Coordinates * * @property {number} x * x coordinate in pixels * * @property {number} y * y coordinate in pixels */ /** * Get the pointer position within an element. * * 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 {module:dom~Coordinates} * A coordinates object corresponding to the mouse position. * */ function getPointerPosition(el, event) { var translated = { x: 0, y: 0 }; if (IS_IOS) { var item = el; while (item && item.nodeName.toLowerCase() !== 'html') { var transform = computedStyle(item, 'transform'); if (/^matrix/.test(transform)) { var values = transform.slice(7, -1).split(/,\s/).map(Number); translated.x += values[4]; translated.y += values[5]; } else if (/^matrix3d/.test(transform)) { var _values = transform.slice(9, -1).split(/,\s/).map(Number); translated.x += _values[12]; translated.y += _values[13]; } item = item.parentNode; } } var position = {}; var boxTarget = findPosition(event.target); var box = findPosition(el); var boxW = box.width; var boxH = box.height; var offsetY = event.offsetY - (box.top - boxTarget.top); var offsetX = event.offsetX - (box.left - boxTarget.left); if (event.changedTouches) { offsetX = event.changedTouches[0].pageX - box.left; offsetY = event.changedTouches[0].pageY + box.top; if (IS_IOS) { offsetX -= translated.x; offsetY -= translated.y; } } position.y = 1 - Math.max(0, Math.min(1, offsetY / boxH)); position.x = Math.max(0, Math.min(1, offsetX / boxW)); 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} * Will be `true` if the value 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; } /** * This is a mixed value that describes content to be injected into the DOM * via some method. It can be of the following types: * * Type | Description * -----------|------------- * `string` | The value will be normalized into a text node. * `Element` | The value will be accepted as-is. * `TextNode` | The value will be accepted as-is. * `Array` | A one-dimensional array of strings, elements, text nodes, or functions. These functions should return a string, element, or text node (any other return value, like an array, will be ignored). * `Function` | A function, which is expected to return a string, element, text node, or array - any of the other possible values described above. This means that a content descriptor could be a function that returns an array of functions, but those second-level functions must return strings, elements, or text nodes. * * @typedef {string|Element|TextNode|Array|Function} module:dom~ContentDescriptor */ /** * Normalizes content for eventual insertion into the DOM. * * This allows a wide range of content definition methods, but helps protect * from falling into the trap of simply writing to `innerHTML`, which could * be an XSS concern. * * The content for an element can be passed in multiple types and * combinations, whose behavior is as follows: * * @param {module:dom~ContentDescriptor} content * A content descriptor value. * * @return {Array} * All of the content that was passed in, normalized to an array of * elements or text nodes. */ 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.createTextNode(value); } }).filter(function (value) { return value; }); } /** * Normalizes and appends content to an element. * * @param {Element} el * Element to append normalized content to. * * @param {module:dom~ContentDescriptor} content * A content descriptor value. * * @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 {module:dom~ContentDescriptor} content * A content descriptor value. * * @return {Element} * The element with inserted normalized content. */ function insertContent(el, content) { return appendContent(emptyEl(el), content); } /** * Check if an event was a single left click. * * @param {EventTarget~Event} event * Event object. * * @return {boolean} * Will be `true` if a single left click, `false` otherwise. */ function isSingleLeftClick(event) { // Note: if you create something draggable, be sure to // call it on both `mousedown` and `mousemove` event, // otherwise `mousedown` should be enough for a button if (event.button === undefined && event.buttons === undefined) { // Why do we need `buttons` ? // Because, middle mouse sometimes have this: // e.button === 0 and e.buttons === 4 // Furthermore, we want to prevent combination click, something like // HOLD middlemouse then left click, that would be // e.button === 0, e.buttons === 5 // just `button` is not gonna work // Alright, then what this block does ? // this is for chrome `simulate mobile devices` // I want to support this as well return true; } if (event.button === 0 && event.buttons === undefined) { // Touch screen, sometimes on some specific device, `buttons` // doesn't have anything (safari on ios, blackberry...) return true; } // `mouseup` event on a single left click has // `button` and `buttons` equal to 0 if (event.type === 'mouseup' && event.button === 0 && event.buttons === 0) { return true; } if (event.button !== 0 || event.buttons !== 1) { // This is the reason we have those if else block above // if any special case we can catch and let it slide // we do it above, when get to here, this definitely // is-not-left-click return false; } return true; } /** * 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 $$ = createQuerier('querySelectorAll'); var Dom = /*#__PURE__*/Object.freeze({ __proto__: null, isReal: isReal, isEl: isEl, isInFrame: isInFrame, createEl: createEl, textContent: textContent, prependTo: prependTo, hasClass: hasClass, addClass: addClass, removeClass: removeClass, toggleClass: toggleClass, setAttributes: setAttributes, getAttributes: getAttributes, getAttribute: getAttribute, setAttribute: setAttribute, removeAttribute: removeAttribute, blockTextSelection: blockTextSelection, unblockTextSelection: unblockTextSelection, getBoundingClientRect: getBoundingClientRect, findPosition: findPosition, getPointerPosition: getPointerPosition, isTextNode: isTextNode, emptyEl: emptyEl, normalizeContent: normalizeContent, appendContent: appendContent, insertContent: insertContent, isSingleLeftClick: isSingleLeftClick, $: $, $$: $$ }); /** * @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$1; /** * Set up any tags that have a data-setup `attribute` when the player is started. */ var autoSetup = function autoSetup() { if (videojs$1.options.autoSetup === false) { return; } var vids = Array.prototype.slice.call(document.getElementsByTagName('video')); var audios = Array.prototype.slice.call(document.getElementsByTagName('audio')); var divs = Array.prototype.slice.call(document.getElementsByTagName('video-js')); var mediaEls = vids.concat(audios, divs); // Check if any media elements exist if (mediaEls && mediaEls.length > 0) { for (var i = 0, e = mediaEls.length; i < e; i++) { var mediaEl = mediaEls[i]; // Check if element exists, has getAttribute func. 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$1(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) { // Protect against breakage in non-browser environments if (!isReal()) { return; } if (vjs) { videojs$1 = vjs; } window$1.setTimeout(autoSetup, wait); } /** * Used to set the internal tracking of window loaded state to true. * * @private */ function setWindowLoaded() { _windowLoaded = true; window$1.removeEventListener('load', setWindowLoaded); } if (isReal()) { if (document.readyState === 'complete') { setWindowLoaded(); } else { /** * Listen for the load event on window, and set _windowLoaded to true. * * We use a standard event listener here to avoid incrementing the GUID * before any players are created. * * @listens load */ window$1.addEventListener('load', setWindowLoaded); } } /** * @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.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 guid.js * @module guid */ // Default value for GUIDs. This allows us to reset the GUID counter in tests. // // The initial GUID is 3 because some users have come to rely on the first // default player ID ending up as `vjs_video_3`. // // See: https://github.com/videojs/video.js/pull/6216 var _initialGuid = 3; /** * Unique ID for an element or function * * @type {Number} */ var _guid = _initialGuid; /** * 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 */ var FakeWeakMap; if (!window$1.WeakMap) { FakeWeakMap = /*#__PURE__*/function () { function FakeWeakMap() { this.vdata = 'vdata' + Math.floor(window$1.performance && window$1.performance.now() || Date.now()); this.data = {}; } var _proto = FakeWeakMap.prototype; _proto.set = function set(key, value) { var access = key[this.vdata] || newGUID(); if (!key[this.vdata]) { key[this.vdata] = access; } this.data[access] = value; return this; }; _proto.get = function get(key) { var access = key[this.vdata]; // we have data, return it if (access) { return this.data[access]; } // we don't have data, return nothing. // return undefined explicitly as that's the contract for this method log$1('We have no data for this element', key); return undefined; }; _proto.has = function has(key) { var access = key[this.vdata]; return access in this.data; }; _proto["delete"] = function _delete(key) { var access = key[this.vdata]; if (access) { delete this.data[access]; delete key[this.vdata]; } }; return FakeWeakMap; }(); } /** * 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 DomData = window$1.WeakMap ? new WeakMap() : new FakeWeakMap(); /** * @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. * * @file events.js * @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) { if (!DomData.has(elem)) { return; } var data = DomData.get(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) { DomData["delete"](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) { if (event.fixed_) { return 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 || !event.isImmediatePropagationStopped) { 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; } // 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.documentElement; var body = document.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 */ } } event.fixed_ = true; // Returns fixed-up instance return event; } /** * Whether passive event listeners are supported */ var _supportsPassive; var supportsPassive = function supportsPassive() { if (typeof _supportsPassive !== 'boolean') { _supportsPassive = false; try { var opts = Object.defineProperty({}, 'passive', { get: function get() { _supportsPassive = true; } }); window$1.addEventListener('test', null, opts); window$1.removeEventListener('test', null, opts); } catch (e) {// disregard } } return _supportsPassive; }; /** * 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); } if (!DomData.has(elem)) { DomData.set(elem, {}); } var data = DomData.get(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 (!DomData.has(elem)) { return; } var data = DomData.get(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(el, t) { data.handlers[t] = []; _cleanUpEvents(el, 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(elem, 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(elem, 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 = DomData.has(elem) ? DomData.get(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 }; } else if (!event.target) { 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 && event.target && event.target[event.type]) { if (!DomData.has(event.target)) { DomData.set(event.target, {}); } var targetData = DomData.get(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); } /** * Trigger a listener only once and then turn if off for all * configured events * * @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 any(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(); // multiple ons, but one off for everything on(elem, type, func); } var Events = /*#__PURE__*/Object.freeze({ __proto__: null, fixEvent: fixEvent, on: on, off: off, trigger: trigger, one: one, any: any }); /** * @file fn.js * @module fn */ var UPDATE_REFRESH_INTERVAL = 30; /** * 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. * * @function * @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 = fn.bind(context); // 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. * * @function * @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 = window$1.performance.now(); var throttled = function throttled() { var now = window$1.performance.now(); if (now - last >= wait) { fn.apply(void 0, arguments); last = now; } }; return throttled; }; /** * Creates a debounced function that delays invoking `func` until after `wait` * milliseconds have elapsed since the last time the debounced function was * invoked. * * Inspired by lodash and underscore implementations. * * @function * @param {Function} func * The function to wrap with debounce behavior. * * @param {number} wait * The number of milliseconds to wait after the last invocation. * * @param {boolean} [immediate] * Whether or not to invoke the function immediately upon creation. * * @param {Object} [context=window] * The "context" in which the debounced function should debounce. For * example, if this function should be tied to a Video.js player, * the player can be passed here. Alternatively, defaults to the * global `window` object. * * @return {Function} * A debounced function. */ var debounce = function debounce(func, wait, immediate, context) { if (context === void 0) { context = window$1; } var timeout; var cancel = function cancel() { context.clearTimeout(timeout); timeout = null; }; /* eslint-disable consistent-this */ var debounced = function debounced() { var self = this; var args = arguments; var _later = function later() { timeout = null; _later = null; if (!immediate) { func.apply(self, args); } }; if (!timeout && immediate) { func.apply(self, args); } context.clearTimeout(timeout); timeout = context.setTimeout(_later, wait); }; /* eslint-enable consistent-this */ debounced.cancel = cancel; return debounced; }; /** * @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$2 = 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$2.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$2.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$2.prototype.addEventListener = EventTarget$2.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$2.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$2.prototype.removeEventListener = EventTarget$2.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$2.prototype.one = function (type, fn) { // Remove the addEventListener aliasing 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; }; EventTarget$2.prototype.any = function (type, fn) { // Remove the addEventListener aliasing Events.on // so we don't get into an infinite type loop var ael = this.addEventListener; this.addEventListener = function () {}; any(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$2.prototype.trigger = function (event) { var type = event.type || event; // deprecation // In a future version we should default target to `this` // similar to how we default the target to `elem` in // `Events.trigger`. Right now the default `target` will be // `document` due to the `Event.fixEvent` call. 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$2.prototype.dispatchEvent = EventTarget$2.prototype.trigger; var EVENT_MAP; EventTarget$2.prototype.queueTrigger = function (event) { var _this = this; // only set up EVENT_MAP if it'll be used if (!EVENT_MAP) { EVENT_MAP = new Map(); } var type = event.type || event; var map = EVENT_MAP.get(this); if (!map) { map = new Map(); EVENT_MAP.set(this, map); } var oldTimeout = map.get(type); map["delete"](type); window$1.clearTimeout(oldTimeout); var timeout = window$1.setTimeout(function () { // if we cleared out all timeouts for the current target, delete its map if (map.size === 0) { map = null; EVENT_MAP["delete"](_this); } _this.trigger(event); }, 0); map.set(type, timeout); }; /** * @file mixins/evented.js * @module evented */ var objName = function objName(obj) { if (typeof obj.name === 'function') { return obj.name(); } if (typeof obj.name === 'string') { return obj.name; } if (obj.name_) { return obj.name_; } if (obj.constructor && obj.constructor.name) { return obj.constructor.name; } return typeof obj; }; /** * 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$2 || !!object.eventBusEl_ && ['on', 'one', 'off', 'trigger'].every(function (k) { return typeof object[k] === 'function'; }); }; /** * Adds a callback to run after the evented mixin applied. * * @param {Object} object * An object to Add * @param {Function} callback * The callback to run. */ var addEventedCallback = function addEventedCallback(target, callback) { if (isEvented(target)) { callback(); } else { if (!target.eventedCallbacks) { target.eventedCallbacks = []; } target.eventedCallbacks.push(callback); } }; /** * 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. * * @param {Object} obj * The evented object we are validating for * * @param {string} fnName * The name of the evented mixin function that called this. */ var validateTarget = function validateTarget(target, obj, fnName) { if (!target || !target.nodeName && !isEvented(target)) { throw new Error("Invalid target for " + objName(obj) + "#" + fnName + "; 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. * * @param {Object} obj * The evented object we are validating for * * @param {string} fnName * The name of the evented mixin function that called this. */ var validateEventType = function validateEventType(type, obj, fnName) { if (!isValidEventType(type)) { throw new Error("Invalid event type for " + objName(obj) + "#" + fnName + "; 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. * * @param {Object} obj * The evented object we are validating for * * @param {string} fnName * The name of the evented mixin function that called this. */ var validateListener = function validateListener(listener, obj, fnName) { if (typeof listener !== 'function') { throw new Error("Invalid listener for " + objName(obj) + "#" + fnName + "; 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()`. * * @param {string} fnName * The name of the evented mixin function that called this. * * @return {Object} * An object containing useful values for `on()` or `one()` calls. */ var normalizeListenArgs = function normalizeListenArgs(self, args, fnName) { // 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; var type; var listener; 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, self, fnName); validateEventType(type, self, fnName); validateListener(listener, self, fnName); 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, target, method); if (target.nodeName) { Events[method](target, type, listener); } else { target[method](type, listener); } }; /** * Contains methods that provide event capabilities 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() { var _this = this; for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { args[_key] = arguments[_key]; } var _normalizeListenArgs = normalizeListenArgs(this, args, 'on'), 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 be called once per event 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() { var _this2 = this; for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) { args[_key2] = arguments[_key2]; } var _normalizeListenArgs2 = normalizeListenArgs(this, args, 'one'), 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 { // TODO: This wrapper is incorrect! It should only // remove the wrapper for the event type that called it. // Instead all listners are removed on the first trigger! // see https://github.com/videojs/video.js/issues/5962 var wrapper = function wrapper() { _this2.off(target, type, wrapper); for (var _len3 = arguments.length, largs = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) { largs[_key3] = arguments[_key3]; } 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); } }, /** * Add a listener to an event (or events) on this object or another evented * object. The listener will only be called once for the first event that is triggered * 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. */ any: function any() { var _this3 = this; for (var _len4 = arguments.length, args = new Array(_len4), _key4 = 0; _key4 < _len4; _key4++) { args[_key4] = arguments[_key4]; } var _normalizeListenArgs3 = normalizeListenArgs(this, args, 'any'), isTargetingSelf = _normalizeListenArgs3.isTargetingSelf, target = _normalizeListenArgs3.target, type = _normalizeListenArgs3.type, listener = _normalizeListenArgs3.listener; // Targeting this evented object. if (isTargetingSelf) { listen(target, 'any', type, listener); // Targeting another evented object. } else { var wrapper = function wrapper() { _this3.off(target, type, wrapper); for (var _len5 = arguments.length, largs = new Array(_len5), _key5 = 0; _key5 < _len5; _key5++) { largs[_key5] = arguments[_key5]; } 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, 'any', 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, this, 'off'); validateEventType(type, this, 'off'); validateListener(listener, this, 'off'); // 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. * * @return {boolean} * Whether or not the default behavior was prevented. */ trigger: function trigger$1(event, hash) { validateTarget(this.eventBusEl_, this, 'trigger'); var type = event && typeof event !== 'string' ? event.type : event; if (!isValidEventType(type)) { var error = "Invalid event type for " + objName(this) + "#trigger; " + 'must be a non-empty string or object with a type key that has a non-empty value.'; if (event) { (this.log || log$1).error(error); } else { throw new Error(error); } } 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, options) { if (options === void 0) { options = {}; } var _options = options, 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); if (target.eventedCallbacks) { target.eventedCallbacks.forEach(function (callback) { callback(); }); } // When any evented object is disposed, it removes all its listeners. target.on('dispose', function () { target.off(); [target, target.el_, target.eventBusEl_].forEach(function (val) { if (val && DomData.has(val)) { DomData["delete"](val); } }); window$1.setTimeout(function () { target.eventBusEl_ = null; }, 0); }); 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. * * @return {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; 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. * * @return {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 string-cases.js * @module to-lower-case */ /** * Lowercase the first letter of a string. * * @param {string} string * String to be lowercased * * @return {string} * The string with a lowercased first letter */ var toLowerCase = function toLowerCase(string) { if (typeof string !== 'string') { return string; } return string.replace(/./, function (w) { return w.toLowerCase(); }); }; /** * Uppercase the first letter of a string. * * @param {string} string * String to be uppercased * * @return {string} * The string with an uppercased first letter */ var toTitleCase$1 = function toTitleCase(string) { if (typeof string !== 'string') { return string; } return string.replace(/./, function (w) { return w.toUpperCase(); }); }; /** * 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 */ var titleCaseEquals = function titleCaseEquals(str1, str2) { return toTitleCase$1(str1) === toTitleCase$1(str2); }; /** * @file merge-options.js * @module merge-options */ /** * Merge two objects recursively. * * Performs a deep merge like * {@link https://lodash.com/docs/4.17.10#merge|lodash.merge}, but only merges * plain objects (not arrays, elements, or anything else). * * Non-plain object values will be copied directly from the right-most * argument. * * @static * @param {Object[]} sources * One or more objects to merge into a new object. * * @return {Object} * A new object that is the merged result of all sources. */ function mergeOptions$3() { var result = {}; for (var _len = arguments.length, sources = new 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$3(result[key], value); }); }); return result; } var MapSham = /*#__PURE__*/function () { function MapSham() { this.map_ = {}; } var _proto = MapSham.prototype; _proto.has = function has(key) { return key in this.map_; }; _proto["delete"] = function _delete(key) { var has = this.has(key); delete this.map_[key]; return has; }; _proto.set = function set(key, value) { this.map_[key] = value; return this; }; _proto.forEach = function forEach(callback, thisArg) { for (var key in this.map_) { callback.call(thisArg, this.map_[key], key, this); } }; return MapSham; }(); var Map$1 = window$1.Map ? window$1.Map : MapSham; var SetSham = /*#__PURE__*/function () { function SetSham() { this.set_ = {}; } var _proto = SetSham.prototype; _proto.has = function has(key) { return key in this.set_; }; _proto["delete"] = function _delete(key) { var has = this.has(key); delete this.set_[key]; return has; }; _proto.add = function add(key) { this.set_[key] = 1; return this; }; _proto.forEach = function forEach(callback, thisArg) { for (var key in this.set_) { callback.call(thisArg, key, key, this); } }; return SetSham; }(); var Set = window$1.Set ? window$1.Set : SetSham; /** * 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$1 = /*#__PURE__*/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) { // 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; } this.isDisposed_ = false; // Hold the reference to the parent component via `addChild` method this.parentComponent_ = null; // Make a copy of prototype.options_ to protect against overriding defaults this.options_ = mergeOptions$3({}, this.options_); // Updated options with supplied options options = this.options_ = mergeOptions$3(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(); } // if evented is anything except false, we want to mixin in evented if (options.evented !== false) { // Make this an evented object and use `el_`, if available, as its event bus evented(this, { eventBusKey: this.el_ ? 'el_' : null }); this.handleLanguagechange = this.handleLanguagechange.bind(this); this.on(this.player_, 'languagechange', this.handleLanguagechange); } stateful(this, this.constructor.defaultState); this.children_ = []; this.childIndex_ = {}; this.childNameIndex_ = {}; this.setTimeoutIds_ = new Set(); this.setIntervalIds_ = new Set(); this.rafIds_ = new Set(); this.namedRafs_ = new Map$1(); this.clearingTimersOnDispose_ = false; // Add any child components in options if (options.initChildren !== false) { this.initChildren(); } // Don't want to trigger ready here or it will go before init is actually // finished for all children that run this constructor this.ready(ready); if (options.reportTouchActivity !== false) { this.enableTouchActivity(); } } /** * Dispose of the `Component` and all child components. * * @fires Component#dispose */ var _proto = Component.prototype; _proto.dispose = function dispose() { // Bail out if the component has already been disposed. if (this.isDisposed_) { return; } if (this.readyQueue_) { this.readyQueue_.length = 0; } /** * Triggered when a `Component` is disposed. * * @event Component#dispose * @type {EventTarget~Event} * * @property {boolean} [bubbles=false] * set to false so that the dispose event does not * bubble up */ this.trigger({ type: 'dispose', bubbles: false }); this.isDisposed_ = true; // 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; this.parentComponent_ = null; if (this.el_) { // Remove element from DOM if (this.el_.parentNode) { this.el_.parentNode.removeChild(this.el_); } this.el_ = null; } // remove reference to the player after disposing of the element this.player_ = null; } /** * Determine whether or not this component has been disposed. * * @return {boolean} * If the component has been disposed, will be `true`. Otherwise, `false`. */ ; _proto.isDisposed = function isDisposed() { return Boolean(this.isDisposed_); } /** * Return the {@link Player} that the `Component` has attached to. * * @return {Player} * The player that this `Component` has attached to. */ ; _proto.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. */ ; _proto.options = function options(obj) { if (!obj) { return this.options_; } this.options_ = mergeOptions$3(this.options_, obj); return this.options_; } /** * Get the `Component`s DOM element * * @return {Element} * The DOM element for this `Component`. */ ; _proto.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. */ ; _proto.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 looks 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. */ ; _proto.localize = function localize(string, tokens, defaultValue) { if (defaultValue === void 0) { defaultValue = 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; } /** * Handles language change for the player in components. Should be overriden by sub-components. * * @abstract */ ; _proto.handleLanguagechange = function handleLanguagechange() {} /** * 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`. */ ; _proto.contentEl = function contentEl() { return this.contentEl_ || this.el_; } /** * Get this `Component`s ID * * @return {string} * The id of this `Component` */ ; _proto.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`. */ ; _proto.name = function name() { return this.name_; } /** * Get an array of all child components * * @return {Array} * The children */ ; _proto.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. */ ; _proto.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. */ ; _proto.getChild = function getChild(name) { if (!name) { return; } return this.childNameIndex_[name]; } /** * Returns the descendant `Component` following the givent * descendant `names`. For instance ['foo', 'bar', 'baz'] would * try to get 'foo' on the current component, 'bar' on the 'foo' * component and 'baz' on the 'bar' component and return undefined * if any of those don't exist. * * @param {...string[]|...string} names * The name of the child `Component` to get. * * @return {Component|undefined} * The descendant `Component` following the given descendant * `names` or undefined. */ ; _proto.getDescendant = function getDescendant() { for (var _len = arguments.length, names = new Array(_len), _key = 0; _key < _len; _key++) { names[_key] = arguments[_key]; } // flatten array argument into the main array names = names.reduce(function (acc, n) { return acc.concat(n); }, []); var currentChild = this; for (var i = 0; i < names.length; i++) { currentChild = currentChild.getChild(names[i]); if (!currentChild || !currentChild.getChild) { return; } } return currentChild; } /** * 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. */ ; _proto.addChild = function addChild(child, options, index) { if (options === void 0) { options = {}; } if (index === void 0) { index = this.children_.length; } var component; var componentName; // If child is a string, create component with options if (typeof child === 'string') { componentName = toTitleCase$1(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; } if (component.parentComponent_) { component.parentComponent_.removeChild(component); } this.children_.splice(index, 0, component); component.parentComponent_ = this; 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$1(component.name()); if (componentName) { this.childNameIndex_[componentName] = component; this.childNameIndex_[toLowerCase(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()) { // If inserting before a component, insert before that component's element var refNode = null; if (this.children_[index + 1]) { // Most children are components, but the video tech is an HTML element if (this.children_[index + 1].el_) { refNode = this.children_[index + 1].el_; } else if (isEl(this.children_[index + 1])) { refNode = this.children_[index + 1]; } } 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. */ ; _proto.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; } component.parentComponent_ = null; this.childIndex_[component.id()] = null; this.childNameIndex_[toTitleCase$1(component.name())] = null; this.childNameIndex_[toLowerCase(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. */ ; _proto.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; 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; var opts; 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$1(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 */ ; _proto.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. */ ; _proto.ready = function ready(fn, sync) { if (sync === void 0) { sync = 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 */ ; _proto.triggerReady = function triggerReady() { this.isReady_ = true; // Ensure ready is triggered 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) */ ; _proto.$ = 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) */ ; _proto.$$ = function $$$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` */ ; _proto.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 */ ; _proto.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 */ ; _proto.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 */ ; _proto.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. */ ; _proto.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. */ ; _proto.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 */ ; _proto.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 */ ; _proto.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} */ ; _proto.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} */ ; _proto.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} */ ; _proto.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'. */ ; _proto.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'. */ ; _proto.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. */ ; _proto.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 */ ; _proto.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$1(widthOrHeight)], 10); } /** * Get the computed width or the height of the component's element. * * 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. */ ; _proto.currentDimension = function currentDimension(widthOrHeight) { var computedWidthOrHeight = 0; if (widthOrHeight !== 'width' && widthOrHeight !== 'height') { throw new Error('currentDimension only accepts width or height value'); } computedWidthOrHeight = computedStyle(this.el_, 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 wherever getComputedStyle doesn't exist. if (computedWidthOrHeight === 0 || isNaN(computedWidthOrHeight)) { var rule = "offset" + toTitleCase$1(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 computed width and height values of the * component's element. * * Uses `window.getComputedStyle`. * * @return {Component~DimensionObject} * The computed dimensions of the component's element. */ ; _proto.currentDimensions = function currentDimensions() { return { width: this.currentDimension('width'), height: this.currentDimension('height') }; } /** * Get the computed width of the component's element. * * Uses `window.getComputedStyle`. * * @return {number} * The computed width of the component's element. */ ; _proto.currentWidth = function currentWidth() { return this.currentDimension('width'); } /** * Get the computed height of the component's element. * * Uses `window.getComputedStyle`. * * @return {number} * The computed height of the component's element. */ ; _proto.currentHeight = function currentHeight() { return this.currentDimension('height'); } /** * Set the focus to this component */ ; _proto.focus = function focus() { this.el_.focus(); } /** * Remove the focus from this component */ ; _proto.blur = function blur() { this.el_.blur(); } /** * When this Component receives a `keydown` event which it does not process, * it passes the event to the Player for handling. * * @param {EventTarget~Event} event * The `keydown` event that caused this function to be called. */ ; _proto.handleKeyDown = function handleKeyDown(event) { if (this.player_) { // We only stop propagation here because we want unhandled events to fall // back to the browser. Exclude Tab for focus trapping. if (!keycode.isEventKey(event, 'Tab')) { event.stopPropagation(); } this.player_.handleKeyDown(event); } } /** * Many components used to have a `handleKeyPress` method, which was poorly * named because it listened to a `keydown` event. This method name now * delegates to `handleKeyDown`. This means anyone calling `handleKeyPress` * will not see their method calls stop working. * * @param {EventTarget~Event} event * The event that caused this function to be called. */ ; _proto.handleKeyPress = function handleKeyPress(event) { this.handleKeyDown(event); } /** * 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 */ ; _proto.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; 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 = window$1.performance.now(); // 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 = window$1.performance.now() - 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 */ ; _proto.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; 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't 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} instead. * * @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} */ ; _proto.setTimeout = function setTimeout(fn, timeout) { var _this2 = this; // declare as variables so they are properly available in timeout function // eslint-disable-next-line var timeoutId; fn = bind(this, fn); this.clearTimersOnDispose_(); timeoutId = window$1.setTimeout(function () { if (_this2.setTimeoutIds_.has(timeoutId)) { _this2.setTimeoutIds_["delete"](timeoutId); } fn(); }, timeout); this.setTimeoutIds_.add(timeoutId); 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} */ ; _proto.clearTimeout = function clearTimeout(timeoutId) { if (this.setTimeoutIds_.has(timeoutId)) { this.setTimeoutIds_["delete"](timeoutId); window$1.clearTimeout(timeoutId); } 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} */ ; _proto.setInterval = function setInterval(fn, interval) { fn = bind(this, fn); this.clearTimersOnDispose_(); var intervalId = window$1.setInterval(fn, interval); this.setIntervalIds_.add(intervalId); 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} */ ; _proto.clearInterval = function clearInterval(intervalId) { if (this.setIntervalIds_.has(intervalId)) { this.setIntervalIds_["delete"](intervalId); window$1.clearInterval(intervalId); } 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} */ ; _proto.requestAnimationFrame = function requestAnimationFrame(fn) { var _this3 = this; // Fall back to using a timer. if (!this.supportsRaf_) { return this.setTimeout(fn, 1000 / 60); } this.clearTimersOnDispose_(); // declare as variables so they are properly available in rAF function // eslint-disable-next-line var id; fn = bind(this, fn); id = window$1.requestAnimationFrame(function () { if (_this3.rafIds_.has(id)) { _this3.rafIds_["delete"](id); } fn(); }); this.rafIds_.add(id); return id; } /** * Request an animation frame, but only one named animation * frame will be queued. Another will never be added until * the previous one finishes. * * @param {string} name * The name to give this requestAnimationFrame * * @param {Component~GenericCallback} fn * A function that will be bound to this component and executed just * before the browser's next repaint. */ ; _proto.requestNamedAnimationFrame = function requestNamedAnimationFrame(name, fn) { var _this4 = this; if (this.namedRafs_.has(name)) { return; } this.clearTimersOnDispose_(); fn = bind(this, fn); var id = this.requestAnimationFrame(function () { fn(); if (_this4.namedRafs_.has(name)) { _this4.namedRafs_["delete"](name); } }); this.namedRafs_.set(name, id); return name; } /** * Cancels a current named animation frame if it exists. * * @param {string} name * The name of the requestAnimationFrame to cancel. */ ; _proto.cancelNamedAnimationFrame = function cancelNamedAnimationFrame(name) { if (!this.namedRafs_.has(name)) { return; } this.cancelAnimationFrame(this.namedRafs_.get(name)); this.namedRafs_["delete"](name); } /** * 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} */ ; _proto.cancelAnimationFrame = function cancelAnimationFrame(id) { // Fall back to using a timer. if (!this.supportsRaf_) { return this.clearTimeout(id); } if (this.rafIds_.has(id)) { this.rafIds_["delete"](id); window$1.cancelAnimationFrame(id); } return id; } /** * A function to setup `requestAnimationFrame`, `setTimeout`, * and `setInterval`, clearing on dispose. * * > Previously each timer added and removed dispose listeners on it's own. * For better performance it was decided to batch them all, and use `Set`s * to track outstanding timer ids. * * @private */ ; _proto.clearTimersOnDispose_ = function clearTimersOnDispose_() { var _this5 = this; if (this.clearingTimersOnDispose_) { return; } this.clearingTimersOnDispose_ = true; this.one('dispose', function () { [['namedRafs_', 'cancelNamedAnimationFrame'], ['rafIds_', 'cancelAnimationFrame'], ['setTimeoutIds_', 'clearTimeout'], ['setIntervalIds_', 'clearInterval']].forEach(function (_ref) { var idName = _ref[0], cancelName = _ref[1]; // for a `Set` key will actually be the value again // so forEach((val, val) =>` but for maps we want to use // the key. _this5[idName].forEach(function (val, key) { return _this5[cancelName](key); }); }); _this5.clearingTimersOnDispose_ = false; }); } /** * 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; 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$1(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; Component.components_[toLowerCase(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. */ ; Component.getComponent = function getComponent(name) { if (!name || !Component.components_) { return; } return Component.components_[name]; }; return Component; }(); /** * Whether or not this component supports `requestAnimationFrame`. * * This is exposed primarily for testing purposes. * * @private * @type {Boolean} */ Component$1.prototype.supportsRaf_ = typeof window$1.requestAnimationFrame === 'function' && typeof window$1.cancelAnimationFrame === 'function'; Component$1.registerComponent('Component', Component$1); /** * @file time-ranges.js * @module time-ranges */ /** * Returns the time for the specified index at the start or end * of a TimeRange object. * * @typedef {Function} TimeRangeIndex * * @param {number} [index=0] * The range number to return the time for. * * @return {number} * The time offset at the specified index. * * @deprecated The index argument must be provided. * In the future, leaving it out will throw an error. */ /** * An object that contains ranges of time. * * @typedef {Object} TimeRange * * @property {number} length * The number of time ranges represented by this object. * * @property {module:time-ranges~TimeRangeIndex} start * Returns the time offset at which a specified time range begins. * * @property {module:time-ranges~TimeRangeIndex} end * Returns the time offset at which a specified time range ends. * * @see https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges */ /** * Check if any of the time ranges are over the maximum index. * * @private * @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 + ")."); } } /** * Get the time for the specified index at the start or end * of a TimeRange object. * * @private * @param {string} fnName * The function name to use for logging * * @param {string} valueIndex * The property 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. * * @deprecated 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 given ranges of time. * * @private * @param {Array} [ranges] * An array of time ranges. */ function createTimeRangesObj(ranges) { var timeRangesObj; if (ranges === undefined || ranges.length === 0) { timeRangesObj = { length: 0, start: function start() { throw new Error('This TimeRanges object is empty'); }, end: function end() { throw new Error('This TimeRanges object is empty'); } }; } else { timeRangesObj = { length: ranges.length, start: getRange.bind(null, 'start', 0, ranges), end: getRange.bind(null, 'end', 1, ranges) }; } if (window$1.Symbol && window$1.Symbol.iterator) { timeRangesObj[window$1.Symbol.iterator] = function () { return (ranges || []).values(); }; } return timeRangesObj; } /** * Create a `TimeRange` object which mimics an * {@link https://developer.mozilla.org/en-US/docs/Web/API/TimeRanges|HTML5 TimeRanges instance}. * * @param {number|Array[]} start * The start of a single range (a number) or an array of ranges (an * array of arrays of two numbers each). * * @param {number} end * The end of a single range. Cannot be used with the array form of * the `start` argument. */ 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; var end; 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 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_ABORTED * @property {string} 2 - MEDIA_ERR_NETWORK * @property {string} 3 - MEDIA_ERR_DECODE * @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; } // jsdocs for instance/static members added above /** * Returns whether an object is `Promise`-like (i.e. has a `then` method). * * @param {Object} value * An object that may or may not be `Promise`-like. * * @return {boolean} * Whether or not the object is `Promise`-like. */ function isPromise(value) { return value !== undefined && value !== null && typeof value.then === 'function'; } /** * Silence a Promise-like object. * * This is useful for avoiding non-harmful, but potentially confusing "uncaught * play promise" rejection error messages. * * @param {Object} value * An object that may or may not be `Promise`-like. */ function silencePromise(value) { if (isPromise(value)) { value.then(null, function (e) {}); } } /** * @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_ }; var MODAL_CLASS_NAME = 'vjs-modal-dialog'; /** * 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 = /*#__PURE__*/function (_Component) { _inheritsLoose(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.pauseOnOpen=true] * If `true`, playback will will be paused if playing when * the modal opens, and resumed when it closes. * * @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) { var _this; _this = _Component.call(this, player, options) || this; _this.handleKeyDown_ = function (e) { return _this.handleKeyDown(e); }; _this.close_ = function (e) { return _this.close(e); }; _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. */ var _proto = ModalDialog.prototype; _proto.createEl = function createEl() { 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' }); }; _proto.dispose = function dispose() { this.contentEl_ = null; this.descEl_ = null; this.previouslyActiveEl_ = null; _Component.prototype.dispose.call(this); } /** * Builds the default DOM `className`. * * @return {string} * The DOM `className` for this object. */ ; _proto.buildCSSClass = function buildCSSClass() { return MODAL_CLASS_NAME + " vjs-hidden " + _Component.prototype.buildCSSClass.call(this); } /** * Returns the label string for this modal. Primarily used for accessibility. * * @return {string} * the localized or raw label of this modal. */ ; _proto.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. */ ; _proto.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 */ ; _proto.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(); } this.on('keydown', this.handleKeyDown_); // 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 */ ; _proto.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 */ ; _proto.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(); } this.off('keydown', this.handleKeyDown_); 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. */ ; _proto.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. */ ; _proto.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. */ ; _proto.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 */ ; _proto.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 */ ; _proto.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 */ ; _proto.conditionalFocus_ = function conditionalFocus_() { var activeEl = document.activeElement; var playerEl = this.player_.el_; this.previouslyActiveEl_ = null; if (playerEl.contains(activeEl) || playerEl === activeEl) { this.previouslyActiveEl_ = activeEl; this.focus(); } } /** * conditionally blur the element and refocus the last focused element * * @private */ ; _proto.conditionalBlur_ = function conditionalBlur_() { if (this.previouslyActiveEl_) { this.previouslyActiveEl_.focus(); this.previouslyActiveEl_ = null; } } /** * Keydown handler. Attached when modal is focused. * * @listens keydown */ ; _proto.handleKeyDown = function handleKeyDown(event) { // Do not allow keydowns to reach out of the modal dialog. event.stopPropagation(); if (keycode.isEventKey(event, 'Escape') && this.closeable()) { event.preventDefault(); this.close(); return; } // exit early if it isn't a tab key if (!keycode.isEventKey(event, 'Tab')) { return; } var focusableEls = this.focusableEls_(); var activeEl = this.el_.querySelector(':focus'); var focusIndex; for (var i = 0; i < focusableEls.length; i++) { if (activeEl === focusableEls[i]) { focusIndex = i; break; } } if (document.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 */ ; _proto.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$1); /** * Default options for `ModalDialog` default options. * * @type {Object} * @private */ ModalDialog.prototype.options_ = { pauseOnOpen: true, temporary: true }; Component$1.registerComponent('ModalDialog', ModalDialog); /** * Common functionaliy between {@link TextTrackList}, {@link AudioTrackList}, and * {@link VideoTrackList} * * @extends EventTarget */ var TrackList = /*#__PURE__*/function (_EventTarget) { _inheritsLoose(TrackList, _EventTarget); /** * Create an instance of this class * * @param {Track[]} tracks * A list of tracks to initialize the list with. * * @abstract */ function TrackList(tracks) { var _this; if (tracks === void 0) { tracks = []; } _this = _EventTarget.call(this) || this; _this.tracks_ = []; /** * @memberof TrackList * @member {number} length * The current number of `Track`s in the this Trackist. * @instance */ Object.defineProperty(_assertThisInitialized(_this), 'length', { get: function get() { return this.tracks_.length; } }); for (var i = 0; i < tracks.length; i++) { _this.addTrack(tracks[i]); } return _this; } /** * Add a {@link Track} to the `TrackList` * * @param {Track} track * The audio, video, or text track to add to the list. * * @fires TrackList#addtrack */ var _proto = TrackList.prototype; _proto.addTrack = function addTrack(track) { var _this2 = this; var index = this.tracks_.length; if (!('' + index in this)) { Object.defineProperty(this, index, { get: function get() { 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', target: this }); } /** * Triggered when a track label is changed. * * @event TrackList#addtrack * @type {EventTarget~Event} * @property {Track} track * A reference to track that was added. */ track.labelchange_ = function () { _this2.trigger({ track: track, type: 'labelchange', target: _this2 }); }; if (isEvented(track)) { track.addEventListener('labelchange', track.labelchange_); } } /** * Remove a {@link Track} from the `TrackList` * * @param {Track} rtrack * The audio, video, or text track to remove from the list. * * @fires TrackList#removetrack */ ; _proto.removeTrack = function removeTrack(rtrack) { var track; 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', target: this }); } /** * 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 */ ; _proto.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$2); /** * 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', labelchange: 'labelchange' }; // emulate attribute EventHandler support to allow for feature detection for (var event in TrackList.prototype.allowedEvents_) { TrackList.prototype['on' + event] = null; } /** * 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$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 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 = /*#__PURE__*/function (_TrackList) { _inheritsLoose(AudioTrackList, _TrackList); /** * Create an instance of this class. * * @param {AudioTrack[]} [tracks=[]] * A list of `AudioTrack` to instantiate the list with. */ function AudioTrackList(tracks) { var _this; if (tracks === void 0) { tracks = []; } // 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$1(tracks, tracks[i]); break; } } _this = _TrackList.call(this, tracks) || this; _this.changing_ = false; return _this; } /** * Add an {@link AudioTrack} to the `AudioTrackList`. * * @param {AudioTrack} track * The AudioTrack to add to the list * * @fires TrackList#addtrack */ var _proto = AudioTrackList.prototype; _proto.addTrack = function addTrack(track) { var _this2 = this; if (track.enabled) { disableOthers$1(this, track); } _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this if (!track.addEventListener) { return; } track.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$1(_this2, track); _this2.changing_ = false; _this2.trigger('change'); }; /** * @listens AudioTrack#enabledchange * @fires TrackList#change */ track.addEventListener('enabledchange', track.enabledChange_); }; _proto.removeTrack = function removeTrack(rtrack) { _TrackList.prototype.removeTrack.call(this, rtrack); if (rtrack.removeEventListener && rtrack.enabledChange_) { rtrack.removeEventListener('enabledchange', rtrack.enabledChange_); rtrack.enabledChange_ = null; } }; return AudioTrackList; }(TrackList); /** * 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 = 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 = /*#__PURE__*/function (_TrackList) { _inheritsLoose(VideoTrackList, _TrackList); /** * Create an instance of this class. * * @param {VideoTrack[]} [tracks=[]] * A list of `VideoTrack` to instantiate the list with. */ function VideoTrackList(tracks) { var _this; if (tracks === void 0) { tracks = []; } // 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(tracks, tracks[i]); break; } } _this = _TrackList.call(this, tracks) || this; _this.changing_ = false; /** * @member {number} VideoTrackList#selectedIndex * The current index of the selected {@link VideoTrack`}. */ Object.defineProperty(_assertThisInitialized(_this), 'selectedIndex', { get: function get() { for (var _i = 0; _i < this.length; _i++) { if (this[_i].selected) { return _i; } } return -1; }, set: function set() {} }); return _this; } /** * Add a {@link VideoTrack} to the `VideoTrackList`. * * @param {VideoTrack} track * The VideoTrack to add to the list * * @fires TrackList#addtrack */ var _proto = VideoTrackList.prototype; _proto.addTrack = function addTrack(track) { var _this2 = this; if (track.selected) { disableOthers(this, track); } _TrackList.prototype.addTrack.call(this, track); // native tracks don't have this if (!track.addEventListener) { return; } track.selectedChange_ = function () { if (_this2.changing_) { return; } _this2.changing_ = true; disableOthers(_this2, track); _this2.changing_ = false; _this2.trigger('change'); }; /** * @listens VideoTrack#selectedchange * @fires TrackList#change */ track.addEventListener('selectedchange', track.selectedChange_); }; _proto.removeTrack = function removeTrack(rtrack) { _TrackList.prototype.removeTrack.call(this, rtrack); if (rtrack.removeEventListener && rtrack.selectedChange_) { rtrack.removeEventListener('selectedchange', rtrack.selectedChange_); rtrack.selectedChange_ = null; } }; return VideoTrackList; }(TrackList); /** * 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 = /*#__PURE__*/function (_TrackList) { _inheritsLoose(TextTrackList, _TrackList); function TextTrackList() { return _TrackList.apply(this, arguments) || this; } var _proto = TextTrackList.prototype; /** * Add a {@link TextTrack} to the `TextTrackList` * * @param {TextTrack} track * The text track to add to the list. * * @fires TrackList#addtrack */ _proto.addTrack = function addTrack(track) { var _this = this; _TrackList.prototype.addTrack.call(this, track); if (!this.queueChange_) { this.queueChange_ = function () { return _this.queueTrigger('change'); }; } if (!this.triggerSelectedlanguagechange) { this.triggerSelectedlanguagechange_ = function () { return _this.trigger('selectedlanguagechange'); }; } /** * @listens TextTrack#modechange * @fires TrackList#change */ track.addEventListener('modechange', this.queueChange_); var nonLanguageTextTrackKind = ['metadata', 'chapters']; if (nonLanguageTextTrackKind.indexOf(track.kind) === -1) { track.addEventListener('modechange', this.triggerSelectedlanguagechange_); } }; _proto.removeTrack = function removeTrack(rtrack) { _TrackList.prototype.removeTrack.call(this, rtrack); // manually remove the event handlers we added if (rtrack.removeEventListener) { if (this.queueChange_) { rtrack.removeEventListener('modechange', this.queueChange_); } if (this.selectedlanguagechange_) { rtrack.removeEventListener('modechange', this.triggerSelectedlanguagechange_); } } }; return TextTrackList; }(TrackList); /** * @file html-track-element-list.js */ /** * The current list of {@link HtmlTrackElement}s. */ var HtmlTrackElementList = /*#__PURE__*/function () { /** * Create an instance of this class. * * @param {HtmlTrackElement[]} [tracks=[]] * A list of `HtmlTrackElement` to instantiate the list with. */ function HtmlTrackElementList(trackElements) { if (trackElements === void 0) { trackElements = []; } this.trackElements_ = []; /** * @memberof HtmlTrackElementList * @member {number} length * The current number of `Track`s in the this Trackist. * @instance */ Object.defineProperty(this, 'length', { get: function get() { return this.trackElements_.length; } }); for (var i = 0, length = trackElements.length; i < length; i++) { this.addTrackElement_(trackElements[i]); } } /** * Add an {@link HtmlTrackElement} to the `HtmlTrackElementList` * * @param {HtmlTrackElement} trackElement * The track element to add to the list. * * @private */ var _proto = HtmlTrackElementList.prototype; _proto.addTrackElement_ = function addTrackElement_(trackElement) { var index = this.trackElements_.length; if (!('' + index in this)) { Object.defineProperty(this, index, { get: function get() { 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 */ ; _proto.getTrackElementByTrack_ = function getTrackElementByTrack_(track) { var trackElement_; 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 */ ; _proto.removeTrackElement_ = function removeTrackElement_(trackElement) { for (var i = 0, length = this.trackElements_.length; i < length; i++) { if (trackElement === this.trackElements_[i]) { if (this.trackElements_[i].track && typeof this.trackElements_[i].track.off === 'function') { this.trackElements_[i].track.off(); } if (typeof this.trackElements_[i].off === 'function') { this.trackElements_[i].off(); } 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 = /*#__PURE__*/function () { /** * Create an instance of this class.. * * @param {Array} cues * A list of cues to be initialized with */ function TextTrackCueList(cues) { TextTrackCueList.prototype.setCues_.call(this, cues); /** * @memberof TextTrackCueList * @member {number} length * The current number of `TextTrackCue`s in the TextTrackCueList. * @instance */ Object.defineProperty(this, 'length', { get: function get() { return this.length_; } }); } /** * 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 */ var _proto = TextTrackCueList.prototype; _proto.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() { 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. */ ; _proto.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' }; /** * 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 = /*#__PURE__*/function (_EventTarget) { _inheritsLoose(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(options) { var _this; if (options === void 0) { options = {}; } _this = _EventTarget.call(this) || this; var trackProps = { id: options.id || 'vjs_track_' + newGUID(), kind: options.kind || '', language: options.language || '' }; var label = options.label || ''; /** * @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} language * The two letter language code for this track. Cannot be changed after * creation. * @instance * * @readonly */ var _loop = function _loop(key) { Object.defineProperty(_assertThisInitialized(_this), key, { get: function get() { return trackProps[key]; }, set: function set() {} }); }; for (var key in trackProps) { _loop(key); } /** * @memberof Track * @member {string} label * The label of this track. Cannot be changed after creation. * @instance * * @fires Track#labelchange */ Object.defineProperty(_assertThisInitialized(_this), 'label', { get: function get() { return label; }, set: function set(newLabel) { if (newLabel !== label) { label = newLabel; /** * An event that fires when label changes on this track. * * > Note: This is not part of the spec! * * @event Track#labelchange * @type {EventTarget~Event} */ this.trigger('labelchange'); } } }); return _this; } return Track; }(EventTarget$2); /** * @file url.js * @module url */ /** * @typedef {Object} url:URLObject * * @property {string} protocol * The protocol of the url that was parsed. * * @property {string} hostname * The hostname of the url that was parsed. * * @property {string} port * The port of the url that was parsed. * * @property {string} pathname * The pathname of the url that was parsed. * * @property {string} search * The search query of the url that was parsed. * * @property {string} hash * The hash of the url that was parsed. * * @property {string} host * The host of the url that was parsed. */ /** * Resolve and parse the elements of a URL. * * @function * @param {String} url * The url to parse * * @return {url:URLObject} * An object of url details */ var parseUrl = function parseUrl(url) { // This entire method can be replace with URL once we are able to drop IE11 var props = ['protocol', 'hostname', 'port', 'pathname', 'search', 'hash', 'host']; // add the url to an anchor and let the browser parse the URL var a = document.createElement('a'); a.href = url; // Copy the specific URL properties to a new object // This is also needed for IE because the anchor loses its // properties when it's removed from the dom var details = {}; for (var i = 0; i < props.length; i++) { details[props[i]] = a[props[i]]; } // IE adds the port to the host property unlike everyone else. If // a port identifier is added for standard ports, strip it. if (details.protocol === 'http:') { details.host = details.host.replace(/:80$/, ''); } if (details.protocol === 'https:') { details.host = details.host.replace(/:443$/, ''); } if (!details.protocol) { details.protocol = window$1.location.protocol; } /* istanbul ignore if */ if (!details.host) { details.host = window$1.location.host; } return details; }; /** * Get absolute version of relative URL. Used to tell Flash the correct URL. * * @function * @param {string} url * URL to make absolute * * @return {string} * Absolute URL * * @see http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue */ var getAbsoluteURL = function getAbsoluteURL(url) { // Check if absolute URL if (!url.match(/^https?:\/\//)) { // Convert to absolute URL. Flash hosted off-site needs an absolute URL. // add the url to an anchor and let the browser parse the URL var a = document.createElement('a'); a.href = url; url = a.href; } return url; }; /** * Returns the extension of the passed file name. It will return an empty string * if passed an invalid path. * * @function * @param {string} path * The fileName path like '/path/to/file.mp4' * * @return {string} * The extension in lower case or an empty string if no * extension could be found. */ var getFileExtension = function getFileExtension(path) { if (typeof path === 'string') { var splitPathRe = /^(\/?)([\s\S]*?)((?:\.{1,2}|[^\/]+?)(\.([^\.\/\?]+)))(?:[\/]*|[\?].*)$/; var pathParts = splitPathRe.exec(path); if (pathParts) { return pathParts.pop().toLowerCase(); } } return ''; }; /** * Returns whether the url passed is a cross domain request or not. * * @function * @param {string} url * The url to check. * * @param {Object} [winLoc] * the domain to check the url against, defaults to window.location * * @param {string} [winLoc.protocol] * The window location protocol defaults to window.location.protocol * * @param {string} [winLoc.host] * The window location host defaults to window.location.host * * @return {boolean} * Whether it is a cross domain request or not. */ var isCrossOrigin = function isCrossOrigin(url, winLoc) { if (winLoc === void 0) { 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 = /*#__PURE__*/Object.freeze({ __proto__: null, parseUrl: parseUrl, getAbsoluteURL: getAbsoluteURL, getFileExtension: getFileExtension, isCrossOrigin: isCrossOrigin }); /** * 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 specified 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; } var withCredentials = track.tech_.crossOrigin() === 'use-credentials'; if (withCredentials) { opts.withCredentials = withCredentials; } XHR(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_) { // to prevent use before define eslint error, we define loadHandler // as a let here track.tech_.any(['vttjsloaded', 'vttjserror'], function (event) { if (event.type === 'vttjserror') { log$1.error("vttjs failed to load, stopping trying to process " + track.src); return; } return parseCues(responseBody, track); }); } } 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 = /*#__PURE__*/function (_Track) { _inheritsLoose(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 * version 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(options) { var _this; if (options === void 0) { options = {}; } if (!options.tech) { throw new Error('A tech was not provided.'); } var settings = mergeOptions$3(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'; } _this = _Track.call(this, settings) || this; _this.tech_ = settings.tech; _this.cues_ = []; _this.activeCues_ = []; _this.preload_ = _this.tech_.preloadTextTracks !== false; var cues = new TextTrackCueList(_this.cues_); var activeCues = new TextTrackCueList(_this.activeCues_); var changed = false; var timeupdateHandler = bind(_assertThisInitialized(_this), function () { if (!this.tech_.isReady_ || this.tech_.isDisposed()) { return; } // Accessing this.activeCues for the side-effects of updating itself // due to its nature as a getter function. Do not remove or cues will // stop updating! // Use the setter to prevent deletion from uglify (pure_getters rule) this.activeCues = this.activeCues; if (changed) { this.trigger('cuechange'); changed = false; } }); var disposeHandler = function disposeHandler() { _this.tech_.off('timeupdate', timeupdateHandler); }; _this.tech_.one('dispose', disposeHandler); if (mode !== 'disabled') { _this.tech_.on('timeupdate', timeupdateHandler); } Object.defineProperties(_assertThisInitialized(_this), { /** * @memberof TextTrack * @member {boolean} default * If this track was set to be on or off by default. Cannot be changed after * creation. * @instance * * @readonly */ "default": { get: function get() { return default_; }, set: function set() {} }, /** * @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 */ mode: { get: function get() { return mode; }, set: function set(newMode) { if (!TextTrackMode[newMode]) { return; } if (mode === newMode) { return; } mode = newMode; if (!this.preload_ && mode !== 'disabled' && this.cues.length === 0) { // On-demand load. loadTrack(this.src, this); } this.tech_.off('timeupdate', timeupdateHandler); if (mode !== 'disabled') { this.tech_.on('timeupdate', timeupdateHandler); } /** * 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 */ cues: { get: function get() { if (!this.loaded_) { return null; } return cues; }, set: function set() {} }, /** * @memberof TextTrack * @member {TextTrackCueList} activeCues * The list text track cues that are currently active for this TextTrack. * @instance */ activeCues: { get: function get() { 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; }, // /!\ Keep this setter empty (see the timeupdate handler above) set: function set() {} } }); if (settings.src) { _this.src = settings.src; if (!_this.preload_) { // Tracks will load on-demand. // Act like we're loaded for other purposes. _this.loaded_ = true; } if (_this.preload_ || settings.kind !== 'subtitles' && settings.kind !== 'captions') { loadTrack(_this.src, _assertThisInitialized(_this)); } } else { _this.loaded_ = true; } return _this; } /** * Add a cue to the internal list of cues. * * @param {TextTrack~Cue} cue * The cue to add to our internal list */ var _proto = TextTrack.prototype; _proto.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 */ ; _proto.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 = /*#__PURE__*/function (_Track) { _inheritsLoose(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(options) { var _this; if (options === void 0) { options = {}; } var settings = mergeOptions$3(options, { kind: AudioTrackKind[options.kind] || '' }); _this = _Track.call(this, settings) || this; var enabled = false; /** * @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(_assertThisInitialized(_this), 'enabled', { get: function get() { return enabled; }, set: function set(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) { _this.enabled = settings.enabled; } _this.loaded_ = true; return _this; } 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 = /*#__PURE__*/function (_Track) { _inheritsLoose(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(options) { var _this; if (options === void 0) { options = {}; } var settings = mergeOptions$3(options, { kind: VideoTrackKind[options.kind] || '' }); _this = _Track.call(this, settings) || this; var selected = false; /** * @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(_assertThisInitialized(_this), 'selected', { get: function get() { return selected; }, set: function set(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) { _this.selected = settings.selected; } return _this; } return VideoTrack; }(Track); /** * @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 = /*#__PURE__*/function (_EventTarget) { _inheritsLoose(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 * version 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(options) { var _this; if (options === void 0) { options = {}; } _this = _EventTarget.call(this) || this; var readyState; var track = new TextTrack(options); _this.kind = track.kind; _this.src = track.src; _this.srclang = track.language; _this.label = track.label; _this["default"] = track["default"]; Object.defineProperties(_assertThisInitialized(_this), { /** * @memberof HTMLTrackElement * @member {HTMLTrackElement~ReadyState} readyState * The current ready state of the track element. * @instance */ readyState: { get: function get() { return readyState; } }, /** * @memberof HTMLTrackElement * @member {TextTrack} track * The underlying TextTrack object. * @instance * */ track: { get: function get() { return track; } } }); readyState = NONE; /** * @listens TextTrack#loadeddata * @fires HTMLTrackElement#load */ track.addEventListener('loadeddata', function () { readyState = LOADED; _this.trigger({ type: 'load', target: _assertThisInitialized(_this) }); }); return _this; } return HTMLTrackElement; }(EventTarget$2); 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 = _extends({}, NORMAL, REMOTE); REMOTE.names = Object.keys(REMOTE); NORMAL.names = Object.keys(NORMAL); ALL.names = [].concat(REMOTE.names).concat(NORMAL.names); /** * 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, options) { if (options === void 0) { options = {}; } 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 HTML5} * * @extends Component */ var Tech = /*#__PURE__*/function (_Component) { _inheritsLoose(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(options, ready) { var _this; if (options === void 0) { options = {}; } if (ready === void 0) { ready = function ready() {}; } // we don't want the tech to report user activity automatically. // This is done manually in addControlsListeners options.reportTouchActivity = false; _this = _Component.call(this, null, options, ready) || this; _this.onDurationChange_ = function (e) { return _this.onDurationChange(e); }; _this.trackProgress_ = function (e) { return _this.trackProgress(e); }; _this.trackCurrentTime_ = function (e) { return _this.trackCurrentTime(e); }; _this.stopTrackingCurrentTime_ = function (e) { return _this.stopTrackingCurrentTime(e); }; _this.disposeSourceHandler_ = function (e) { return _this.disposeSourceHandler(e); }; // keep track of whether the current source has played at all to // implement a very limited played() _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/tech doesn't report it. if (!_this.featuresProgressEvents) { _this.manualProgressOn(); } // Manually track timeupdates in cases where the browser/tech 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.preloadTextTracks = options.preloadTextTracks !== false; _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; } /** * A special function to trigger source set in a way that will allow player * to re-trigger if the player or tech are not ready yet. * * @fires Tech#sourceset * @param {string} src The source string at the time of the source changing. */ var _proto = Tech.prototype; _proto.triggerSourceset = function triggerSourceset(src) { var _this2 = this; if (!this.isReady_) { // on initial ready we have to trigger source set // 1ms after ready so that player can watch for it. this.one('ready', function () { return _this2.setTimeout(function () { return _this2.triggerSourceset(src); }, 1); }); } /** * Fired when the source is set on the tech causing the media element * to reload. * * @see {@link Player#event:sourceset} * @event Tech#sourceset * @type {EventTarget~Event} */ this.trigger({ src: src, type: 'sourceset' }); } /* Fallbacks for unsupported event types ================================================================================ */ /** * Polyfill the `progress` event for browsers that don't support it natively. * * @see {@link Tech#trackProgress} */ ; _proto.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} */ ; _proto.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 */ ; _proto.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 */ ; _proto.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. */ ; _proto.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. * */ ; _proto.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}. */ ; _proto.stopTrackingProgress = function stopTrackingProgress() { this.clearInterval(this.progressInterval); } /** * Polyfill the `timeupdate` event for browsers that don't support it. * * @see {@link Tech#trackCurrentTime} */ ; _proto.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} */ ; _proto.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 */ ; _proto.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} */ ; _proto.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 */ ; _proto.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`. */ ; _proto.clearTracks = function clearTracks(types) { var _this3 = this; types = [].concat(types); // clear out all tracks because we can't reuse them between techs types.forEach(function (type) { var list = _this3[type + "Tracks"]() || []; var i = list.length; while (i--) { var track = list[i]; if (type === 'text') { _this3.removeRemoteTextTrack(track); } list.removeTrack(track); } }); } /** * Remove any TextTracks added via addRemoteTextTrack that are * flagged for automatic garbage collection */ ; _proto.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 */ ; _proto.reset = function reset() {} /** * Get the value of `crossOrigin` from the tech. * * @abstract * * @see {Html5#crossOrigin} */ ; _proto.crossOrigin = function crossOrigin() {} /** * Set the value of `crossOrigin` on the tech. * * @abstract * * @param {string} crossOrigin the crossOrigin value * @see {Html5#setCrossOrigin} */ ; _proto.setCrossOrigin = function setCrossOrigin() {} /** * 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. */ ; _proto.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 whether 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. */ ; _proto.played = function played() { if (this.hasStarted_) { return createTimeRanges(0, 0); } return createTimeRanges(); } /** * Start playback * * @abstract * * @see {Html5#play} */ ; _proto.play = function play() {} /** * Set whether we are scrubbing or not * * @abstract * * @see {Html5#setScrubbing} */ ; _proto.setScrubbing = function setScrubbing() {} /** * Get whether we are scrubbing or not * * @abstract * * @see {Html5#scrubbing} */ ; _proto.scrubbing = function scrubbing() {} /** * Causes a manual time update to occur if {@link Tech#manualTimeUpdatesOn} was * previously called. * * @fires Tech#timeupdate */ ; _proto.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 */ ; _proto.initTrackListeners = function initTrackListeners() { var _this4 = 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() { _this4.trigger(name + "trackchange"); }; var tracks = _this4[props.getterName](); tracks.addEventListener('removetrack', trackListChanges); tracks.addEventListener('addtrack', trackListChanges); _this4.on('dispose', function () { tracks.removeEventListener('removetrack', trackListChanges); tracks.removeEventListener('addtrack', trackListChanges); }); }); } /** * Emulate TextTracks using vtt.js if necessary * * @fires Tech#vttjsloaded * @fires Tech#vttjserror */ ; _proto.addWebVttScript_ = function addWebVttScript_() { var _this5 = 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.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(vtt) && Object.keys(vtt).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.createElement('script'); script.src = this.options_['vtt.js'] || 'https://vjs.zencdn.net/vttjs/0.14.1/vtt.min.js'; script.onload = function () { /** * Fired when vtt.js is loaded. * * @event Tech#vttjsloaded * @type {EventTarget~Event} */ _this5.trigger('vttjsloaded'); }; script.onerror = function () { /** * Fired when vtt.js was not loaded due to an error * * @event Tech#vttjsloaded * @type {EventTarget~Event} */ _this5.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 * */ ; _proto.emulateTextTracks = function emulateTextTracks() { var _this6 = 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 _this6.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. */ ; _proto.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. */ ; _proto.createRemoteTextTrack = function createRemoteTextTrack(options) { var track = mergeOptions$3(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. */ ; _proto.addRemoteTextTrack = function addRemoteTextTrack(options, manualCleanup) { var _this7 = this; if (options === void 0) { options = {}; } 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 _this7.autoRemoteTextTracks_.addTrack(htmlTrackElement.track); }); } return htmlTrackElement; } /** * Remove a remote text track from the remote `TextTrackList`. * * @param {TextTrack} track * `TextTrack` to remove from the `TextTrackList` */ ; _proto.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 */ ; _proto.getVideoPlaybackQuality = function getVideoPlaybackQuality() { return {}; } /** * Attempt to create a floating video window always on top of other windows * so that users may continue consuming media while they interact with other * content sites, or applications on their device. * * @see [Spec]{@link https://wicg.github.io/picture-in-picture} * * @return {Promise|undefined} * A promise with a Picture-in-Picture window if the browser supports * Promises (or one was passed in as an option). It returns undefined * otherwise. * * @abstract */ ; _proto.requestPictureInPicture = function requestPictureInPicture() { var PromiseClass = this.options_.Promise || window$1.Promise; if (PromiseClass) { return PromiseClass.reject(); } } /** * A method to check for the value of the 'disablePictureInPicture'