aleph1.co.uk Git - yaffs-website/blob - control-bar/text-track-controls/captions-button.js

   1 'use strict';
   2
   3 exports.__esModule = true;
   4
   5 var _textTrackButton = require('./text-track-button.js');
   6
   7 var _textTrackButton2 = _interopRequireDefault(_textTrackButton);
   8
   9 var _component = require('../../component.js');
  10
  11 var _component2 = _interopRequireDefault(_component);
  12
  13 var _captionSettingsMenuItem = require('./caption-settings-menu-item.js');
  14
  15 var _captionSettingsMenuItem2 = _interopRequireDefault(_captionSettingsMenuItem);
  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 captions-button.js
  25                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  26
  27
  28 /**
  29  * The button component for toggling and selecting captions
  30  *
  31  * @extends TextTrackButton
  32  */
  33 var CaptionsButton = function (_TextTrackButton) {
  34   _inherits(CaptionsButton, _TextTrackButton);
  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    * @param {Component~ReadyCallback} [ready]
  46    *        The function to call when this component is ready.
  47    */
  48   function CaptionsButton(player, options, ready) {
  49     _classCallCheck(this, CaptionsButton);
  50
  51     var _this = _possibleConstructorReturn(this, _TextTrackButton.call(this, player, options, ready));
  52
  53     _this.el_.setAttribute('aria-label', 'Captions Menu');
  54     return _this;
  55   }
  56
  57   /**
  58    * Builds the default DOM `className`.
  59    *
  60    * @return {string}
  61    *         The DOM `className` for this object.
  62    */
  63
  64
  65   CaptionsButton.prototype.buildCSSClass = function buildCSSClass() {
  66     return 'vjs-captions-button ' + _TextTrackButton.prototype.buildCSSClass.call(this);
  67   };
  68
  69   /**
  70    * Create caption menu items
  71    *
  72    * @return {CaptionSettingsMenuItem[]}
  73    *         The array of current menu items.
  74    */
  75
  76
  77   CaptionsButton.prototype.createItems = function createItems() {
  78     var items = [];
  79
  80     if (!(this.player().tech_ && this.player().tech_.featuresNativeTextTracks)) {
  81       items.push(new _captionSettingsMenuItem2['default'](this.player_, { kind: this.kind_ }));
  82
  83       this.hideThreshold_ += 1;
  84     }
  85
  86     return _TextTrackButton.prototype.createItems.call(this, items);
  87   };
  88
  89   return CaptionsButton;
  90 }(_textTrackButton2['default']);
  91
  92 /**
  93  * `kind` of TextTrack to look for to associate it with this menu.
  94  *
  95  * @type {string}
  96  * @private
  97  */
  98
  99
 100 CaptionsButton.prototype.kind_ = 'captions';
 101
 102 /**
 103  * The text that should display over the `CaptionsButton`s controls. Added for localization.
 104  *
 105  * @type {string}
 106  * @private
 107  */
 108 CaptionsButton.prototype.controlText_ = 'Captions';
 109
 110 _component2['default'].registerComponent('CaptionsButton', CaptionsButton);
 111 exports['default'] = CaptionsButton;