aleph1.co.uk Git - yaffs-website/blob - node_modules/video.js/es5/control-bar/audio-track-controls/audio-track-button.js

   1 'use strict';
   2
   3 exports.__esModule = true;
   4
   5 var _trackButton = require('../track-button.js');
   6
   7 var _trackButton2 = _interopRequireDefault(_trackButton);
   8
   9 var _component = require('../../component.js');
  10
  11 var _component2 = _interopRequireDefault(_component);
  12
  13 var _audioTrackMenuItem = require('./audio-track-menu-item.js');
  14
  15 var _audioTrackMenuItem2 = _interopRequireDefault(_audioTrackMenuItem);
  16
  17 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
  18
  19 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  20
  21 function _possibleConstructorReturn(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; }
  22
  23 function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } 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; } /**
  24                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 * @file audio-track-button.js
  25                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  26
  27
  28 /**
  29  * The base class for buttons that toggle specific {@link AudioTrack} types.
  30  *
  31  * @extends TrackButton
  32  */
  33 var AudioTrackButton = function (_TrackButton) {
  34   _inherits(AudioTrackButton, _TrackButton);
  35
  36   /**
  37    * Creates an instance of this class.
  38    *
  39    * @param {Player} player
  40    *        The `Player` that this class should be attached to.
  41    *
  42    * @param {Object} [options={}]
  43    *        The key/value store of player options.
  44    */
  45   function AudioTrackButton(player) {
  46     var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  47
  48     _classCallCheck(this, AudioTrackButton);
  49
  50     options.tracks = player.audioTracks && player.audioTracks();
  51
  52     var _this = _possibleConstructorReturn(this, _TrackButton.call(this, player, options));
  53
  54     _this.el_.setAttribute('aria-label', 'Audio Menu');
  55     return _this;
  56   }
  57
  58   /**
  59    * Builds the default DOM `className`.
  60    *
  61    * @return {string}
  62    *         The DOM `className` for this object.
  63    */
  64
  65
  66   AudioTrackButton.prototype.buildCSSClass = function buildCSSClass() {
  67     return 'vjs-audio-button ' + _TrackButton.prototype.buildCSSClass.call(this);
  68   };
  69
  70   /**
  71    * Create a menu item for each audio track
  72    *
  73    * @param {AudioTrackMenuItem[]} [items=[]]
  74    *        An array of existing menu items to use.
  75    *
  76    * @return {AudioTrackMenuItem[]}
  77    *         An array of menu items
  78    */
  79
  80
  81   AudioTrackButton.prototype.createItems = function createItems() {
  82     var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
  83
  84     // if there's only one audio track, there no point in showing it
  85     this.hideThreshold_ = 1;
  86
  87     var tracks = this.player_.audioTracks && this.player_.audioTracks();
  88
  89     if (!tracks) {
  90       return items;
  91     }
  92
  93     for (var i = 0; i < tracks.length; i++) {
  94       var track = tracks[i];
  95
  96       items.push(new _audioTrackMenuItem2['default'](this.player_, {
  97         track: track,
  98         // MenuItem is selectable
  99         selectable: true
 100       }));
 101     }
 102
 103     return items;
 104   };
 105
 106   return AudioTrackButton;
 107 }(_trackButton2['default']);
 108
 109 /**
 110  * The text that should display over the `AudioTrackButton`s controls. Added for localization.
 111  *
 112  * @type {string}
 113  * @private
 114  */
 115
 116
 117 AudioTrackButton.prototype.controlText_ = 'Audio Track';
 118 _component2['default'].registerComponent('AudioTrackButton', AudioTrackButton);
 119 exports['default'] = AudioTrackButton;