aleph1.co.uk Git - yaffs-website/blob - control-bar/time-controls/duration-display.js

   1 'use strict';
   2
   3 exports.__esModule = true;
   4
   5 var _component = require('../../component.js');
   6
   7 var _component2 = _interopRequireDefault(_component);
   8
   9 var _dom = require('../../utils/dom.js');
  10
  11 var Dom = _interopRequireWildcard(_dom);
  12
  13 var _formatTime = require('../../utils/format-time.js');
  14
  15 var _formatTime2 = _interopRequireDefault(_formatTime);
  16
  17 function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }
  18
  19 function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
  20
  21 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  22
  23 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; }
  24
  25 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; } /**
  26                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 * @file duration-display.js
  27                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 */
  28
  29
  30 /**
  31  * Displays the duration
  32  *
  33  * @extends Component
  34  */
  35 var DurationDisplay = function (_Component) {
  36   _inherits(DurationDisplay, _Component);
  37
  38   /**
  39    * Creates an instance of this class.
  40    *
  41    * @param {Player} player
  42    *        The `Player` that this class should be attached to.
  43    *
  44    * @param {Object} [options]
  45    *        The key/value store of player options.
  46    */
  47   function DurationDisplay(player, options) {
  48     _classCallCheck(this, DurationDisplay);
  49
  50     var _this = _possibleConstructorReturn(this, _Component.call(this, player, options));
  51
  52     _this.on(player, 'durationchange', _this.updateContent);
  53
  54     // Also listen for timeupdate and loadedmetadata because removing those
  55     // listeners could have broken dependent applications/libraries. These
  56     // can likely be removed for 6.0.
  57     _this.on(player, 'timeupdate', _this.updateContent);
  58     _this.on(player, 'loadedmetadata', _this.updateContent);
  59     return _this;
  60   }
  61
  62   /**
  63    * Create the `Component`'s DOM element
  64    *
  65    * @return {Element}
  66    *         The element that was created.
  67    */
  68
  69
  70   DurationDisplay.prototype.createEl = function createEl() {
  71     var el = _Component.prototype.createEl.call(this, 'div', {
  72       className: 'vjs-duration vjs-time-control vjs-control'
  73     });
  74
  75     this.contentEl_ = Dom.createEl('div', {
  76       className: 'vjs-duration-display',
  77       // label the duration time for screen reader users
  78       innerHTML: '<span class="vjs-control-text">' + this.localize('Duration Time') + '</span> 0:00'
  79     }, {
  80       // tell screen readers not to automatically read the time as it changes
  81       'aria-live': 'off'
  82     });
  83
  84     el.appendChild(this.contentEl_);
  85     return el;
  86   };
  87
  88   /**
  89    * Update duration time display.
  90    *
  91    * @param {EventTarget~Event} [event]
  92    *        The `durationchange`, `timeupdate`, or `loadedmetadata` event that caused
  93    *        this function to be called.
  94    *
  95    * @listens Player#durationchange
  96    * @listens Player#timeupdate
  97    * @listens Player#loadedmetadata
  98    */
  99
 100
 101   DurationDisplay.prototype.updateContent = function updateContent(event) {
 102     var duration = this.player_.duration();
 103
 104     if (duration && this.duration_ !== duration) {
 105       this.duration_ = duration;
 106       var localizedText = this.localize('Duration Time');
 107       var formattedTime = (0, _formatTime2['default'])(duration);
 108
 109       // label the duration time for screen reader users
 110       this.contentEl_.innerHTML = '<span class="vjs-control-text">' + localizedText + '</span> ' + formattedTime;
 111     }
 112   };
 113
 114   return DurationDisplay;
 115 }(_component2['default']);
 116
 117 _component2['default'].registerComponent('DurationDisplay', DurationDisplay);
 118 exports['default'] = DurationDisplay;