Source: ui/big_play_button.js

  1. /*! @license
  2.  * Shaka Player
  3.  * Copyright 2016 Google LLC
  4.  * SPDX-License-Identifier: Apache-2.0
  5.  */
  8. goog.provide('shaka.ui.BigPlayButton');
  10. goog.require('shaka.ui.Locales');
  11. goog.require('shaka.ui.PlayButton');
  12. goog.requireType('shaka.ui.Controls');
  15. /**
  16.  * @extends {shaka.ui.PlayButton}
  17.  * @final
  18.  * @export
  19.  */
  20. shaka.ui.BigPlayButton = class extends shaka.ui.PlayButton {
  21.   /**
  22.    * @param {!HTMLElement} parent
  23.    * @param {!shaka.ui.Controls} controls
  24.    */
  25.   constructor(parent, controls) {
  26.     super(parent, controls);
  28.     this.button.classList.add('shaka-play-button');
  29.     this.button.classList.add('shaka-no-propagation');
  31.     this.updateIcon();
  32.     this.updateAriaLabel();
  33.   }
  36.   /** @override */
  37.   updateIcon() {
  38.     if (this.isPaused()) {
  39.       this.button.setAttribute('icon', 'play');
  40.     } else {
  41.       this.button.setAttribute('icon', 'pause');
  42.     }
  43.   }
  46.   /** @override */
  47.   updateAriaLabel() {
  48.     const LocIds = shaka.ui.Locales.Ids;
  49.     const label = this.isPaused() ? LocIds.PLAY : LocIds.PAUSE;
  51.     this.button.ariaLabel = this.localization.resolve(label);
  52.   }
  53. };