invidious/assets/js/videojs-contrib-quality-levels.js

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/*! @name videojs-contrib-quality-levels @version 2.0.7 @license Apache-2.0 */
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory(require('video.js'), require('global/document')) :
typeof define === 'function' && define.amd ? define(['video.js', 'global/document'], factory) :
(global.videojsContribQualityLevels = factory(global.videojs,global.document));
}(this, (function (videojs,document) { 'use strict';
videojs = videojs && videojs.hasOwnProperty('default') ? videojs['default'] : videojs;
document = document && document.hasOwnProperty('default') ? document['default'] : document;
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var inherits = function (subClass, superClass) {
if (typeof superClass !== "function" && superClass !== null) {
throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
}
subClass.prototype = Object.create(superClass && superClass.prototype, {
constructor: {
value: subClass,
enumerable: false,
writable: true,
configurable: true
}
});
if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
};
var possibleConstructorReturn = function (self, call) {
if (!self) {
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
}
return call && (typeof call === "object" || typeof call === "function") ? call : self;
};
/**
* A single QualityLevel.
*
* interface QualityLevel {
* readonly attribute DOMString id;
* attribute DOMString label;
* readonly attribute long width;
* readonly attribute long height;
* readonly attribute long bitrate;
* attribute boolean enabled;
* };
*
* @class QualityLevel
*/
var QualityLevel =
/**
* Creates a QualityLevel
*
* @param {Representation|Object} representation The representation of the quality level
* @param {string} representation.id Unique id of the QualityLevel
* @param {number=} representation.width Resolution width of the QualityLevel
* @param {number=} representation.height Resolution height of the QualityLevel
* @param {number} representation.bandwidth Bitrate of the QualityLevel
* @param {Function} representation.enabled Callback to enable/disable QualityLevel
*/
function QualityLevel(representation) {
classCallCheck(this, QualityLevel);
var level = this; // eslint-disable-line
if (videojs.browser.IS_IE8) {
level = document.createElement('custom');
for (var prop in QualityLevel.prototype) {
if (prop !== 'constructor') {
level[prop] = QualityLevel.prototype[prop];
}
}
}
level.id = representation.id;
level.label = level.id;
level.width = representation.width;
level.height = representation.height;
level.bitrate = representation.bandwidth;
level.enabled_ = representation.enabled;
Object.defineProperty(level, 'enabled', {
/**
* Get whether the QualityLevel is enabled.
*
* @return {boolean} True if the QualityLevel is enabled.
*/
get: function get$$1() {
return level.enabled_();
},
/**
* Enable or disable the QualityLevel.
*
* @param {boolean} enable true to enable QualityLevel, false to disable.
*/
set: function set$$1(enable) {
level.enabled_(enable);
}
});
return level;
};
/**
* A list of QualityLevels.
*
* interface QualityLevelList : EventTarget {
* getter QualityLevel (unsigned long index);
* readonly attribute unsigned long length;
* readonly attribute long selectedIndex;
*
* void addQualityLevel(QualityLevel qualityLevel)
* void removeQualityLevel(QualityLevel remove)
* QualityLevel? getQualityLevelById(DOMString id);
*
* attribute EventHandler onchange;
* attribute EventHandler onaddqualitylevel;
* attribute EventHandler onremovequalitylevel;
* };
*
* @extends videojs.EventTarget
* @class QualityLevelList
*/
var QualityLevelList = function (_videojs$EventTarget) {
inherits(QualityLevelList, _videojs$EventTarget);
function QualityLevelList() {
var _ret;
classCallCheck(this, QualityLevelList);
var _this = possibleConstructorReturn(this, _videojs$EventTarget.call(this));
var list = _this; // eslint-disable-line
if (videojs.browser.IS_IE8) {
list = document.createElement('custom');
for (var prop in QualityLevelList.prototype) {
if (prop !== 'constructor') {
list[prop] = QualityLevelList.prototype[prop];
}
}
}
list.levels_ = [];
list.selectedIndex_ = -1;
/**
* Get the index of the currently selected QualityLevel.
*
* @returns {number} The index of the selected QualityLevel. -1 if none selected.
* @readonly
*/
Object.defineProperty(list, 'selectedIndex', {
get: function get$$1() {
return list.selectedIndex_;
}
});
/**
* Get the length of the list of QualityLevels.
*
* @returns {number} The length of the list.
* @readonly
*/
Object.defineProperty(list, 'length', {
get: function get$$1() {
return list.levels_.length;
}
});
return _ret = list, possibleConstructorReturn(_this, _ret);
}
/**
* Adds a quality level to the list.
*
* @param {Representation|Object} representation The representation of the quality level
* @param {string} representation.id Unique id of the QualityLevel
* @param {number=} representation.width Resolution width of the QualityLevel
* @param {number=} representation.height Resolution height of the QualityLevel
* @param {number} representation.bandwidth Bitrate of the QualityLevel
* @param {Function} representation.enabled Callback to enable/disable QualityLevel
* @return {QualityLevel} the QualityLevel added to the list
* @method addQualityLevel
*/
QualityLevelList.prototype.addQualityLevel = function addQualityLevel(representation) {
var qualityLevel = this.getQualityLevelById(representation.id);
// Do not add duplicate quality levels
if (qualityLevel) {
return qualityLevel;
}
var index = this.levels_.length;
qualityLevel = new QualityLevel(representation);
if (!('' + index in this)) {
Object.defineProperty(this, index, {
get: function get$$1() {
return this.levels_[index];
}
});
}
this.levels_.push(qualityLevel);
this.trigger({
qualityLevel: qualityLevel,
type: 'addqualitylevel'
});
return qualityLevel;
};
/**
* Removes a quality level from the list.
*
* @param {QualityLevel} remove QualityLevel to remove to the list.
* @return {QualityLevel|null} the QualityLevel removed or null if nothing removed
* @method removeQualityLevel
*/
QualityLevelList.prototype.removeQualityLevel = function removeQualityLevel(qualityLevel) {
var removed = null;
for (var i = 0, l = this.length; i < l; i++) {
if (this[i] === qualityLevel) {
removed = this.levels_.splice(i, 1)[0];
if (this.selectedIndex_ === i) {
this.selectedIndex_ = -1;
} else if (this.selectedIndex_ > i) {
this.selectedIndex_--;
}
break;
}
}
if (removed) {
this.trigger({
qualityLevel: qualityLevel,
type: 'removequalitylevel'
});
}
return removed;
};
/**
* Searches for a QualityLevel with the given id.
*
* @param {string} id The id of the QualityLevel to find.
* @return {QualityLevel|null} The QualityLevel with id, or null if not found.
* @method getQualityLevelById
*/
QualityLevelList.prototype.getQualityLevelById = function getQualityLevelById(id) {
for (var i = 0, l = this.length; i < l; i++) {
var level = this[i];
if (level.id === id) {
return level;
}
}
return null;
};
/**
* Resets the list of QualityLevels to empty
*
* @method dispose
*/
QualityLevelList.prototype.dispose = function dispose() {
this.selectedIndex_ = -1;
this.levels_.length = 0;
};
return QualityLevelList;
}(videojs.EventTarget);
/**
* change - The selected QualityLevel has changed.
* addqualitylevel - A QualityLevel has been added to the QualityLevelList.
* removequalitylevel - A QualityLevel has been removed from the QualityLevelList.
*/
QualityLevelList.prototype.allowedEvents_ = {
change: 'change',
addqualitylevel: 'addqualitylevel',
removequalitylevel: 'removequalitylevel'
};
// emulate attribute EventHandler support to allow for feature detection
for (var event in QualityLevelList.prototype.allowedEvents_) {
QualityLevelList.prototype['on' + event] = null;
}
// vjs 5/6 support
var registerPlugin = videojs.registerPlugin || videojs.plugin;
/**
* Initialization function for the qualityLevels plugin. Sets up the QualityLevelList and
* event handlers.
*
* @param {Player} player Player object.
* @param {Object} options Plugin options object.
* @function initPlugin
*/
var initPlugin = function initPlugin(player, options) {
var originalPluginFn = player.qualityLevels;
var qualityLevelList = new QualityLevelList();
var disposeHandler = function disposeHandler() {
qualityLevelList.dispose();
player.qualityLevels = originalPluginFn;
player.off('dispose', disposeHandler);
};
player.on('dispose', disposeHandler);
player.qualityLevels = function () {
return qualityLevelList;
};
player.qualityLevels.VERSION = '__VERSION__';
return qualityLevelList;
};
/**
* A video.js plugin.
*
* In the plugin function, the value of `this` is a video.js `Player`
* instance. You cannot rely on the player being in a "ready" state here,
* depending on how the plugin is invoked. This may or may not be important
* to you; if not, remove the wait for "ready"!
*
* @param {Object} options Plugin options object
* @function qualityLevels
*/
var qualityLevels = function qualityLevels(options) {
return initPlugin(this, videojs.mergeOptions({}, options));
};
// Register the plugin with video.js.
registerPlugin('qualityLevels', qualityLevels);
// Include the version number.
qualityLevels.VERSION = '__VERSION__';
return qualityLevels;
})));