Source: ui/small_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.SmallPlayButton');
  10. goog.require('shaka.ui.Controls');
  11. goog.require('shaka.ui.Enums');
  12. goog.require('shaka.ui.Locales');
  13. goog.require('shaka.ui.PlayButton');
  16. /**
  17.  * @extends {shaka.ui.PlayButton}
  18.  * @final
  19.  * @export
  20.  */
  21. shaka.ui.SmallPlayButton = class extends shaka.ui.PlayButton {
  22.   /**
  23.    * @param {!HTMLElement} parent
  24.    * @param {!shaka.ui.Controls} controls
  25.    */
  26.   constructor(parent, controls) {
  27.     super(parent, controls);
  29.     this.button.classList.add('shaka-small-play-button');
  30.     this.button.classList.add('material-icons-round');
  31.     this.button.classList.add('shaka-tooltip');
  33.     this.updateIcon();
  34.     this.updateAriaLabel();
  35.   }
  38.   /** @override */
  39.   updateIcon() {
  40.     const Icons = shaka.ui.Enums.MaterialDesignIcons;
  41.     if (this.isEnded()) {
  42.       this.button.textContent = Icons.REPLAY;
  43.     } else {
  44.       this.button.textContent = this.isPaused() ? Icons.PLAY : Icons.PAUSE;
  45.     }
  46.   }
  48.   /** @override */
  49.   updateAriaLabel() {
  50.     const LocIds = shaka.ui.Locales.Ids;
  51.     if (this.isEnded()) {
  52.       this.button.ariaLabel = this.localization.resolve(LocIds.REPLAY);
  53.     } else {
  54.       const label = this.isPaused() ? LocIds.PLAY : LocIds.PAUSE;
  55.       this.button.ariaLabel = this.localization.resolve(label);
  56.     }
  57.   }
  58. };
  61. /**
  62.  * @implements {shaka.extern.IUIElement.Factory}
  63.  * @final
  64.  */
  65. shaka.ui.SmallPlayButton.Factory = class {
  66.   /** @override */
  67.   create(rootElement, controls) {
  68.     return new shaka.ui.SmallPlayButton(rootElement, controls);
  69.   }
  70. };
  72. shaka.ui.Controls.registerElement(
  73.     'play_pause', new shaka.ui.SmallPlayButton.Factory());