Source: ui/fullscreen_button.js

  1. /** @license
  2.  * Copyright 2016 Google LLC
  3.  * SPDX-License-Identifier: Apache-2.0
  4.  */
  7. goog.provide('shaka.ui.FullscreenButton');
  9. goog.require('shaka.ui.Element');
  10. goog.require('shaka.ui.Enums');
  11. goog.require('shaka.ui.Locales');
  12. goog.require('shaka.ui.Localization');
  13. goog.require('shaka.util.Dom');
  16. /**
  17.  * @extends {shaka.ui.Element}
  18.  * @final
  19.  * @export
  20.  */
  21. shaka.ui.FullscreenButton = class extends shaka.ui.Element {
  22.   /**
  23.    * @param {!HTMLElement} parent
  24.    * @param {!shaka.ui.Controls} controls
  25.    */
  26.   constructor(parent, controls) {
  27.     super(parent, controls);
  29.     /** @private {!HTMLButtonElement} */
  30.     this.button_ = shaka.util.Dom.createButton();
  31.     this.button_.classList.add('shaka-fullscreen-button');
  32.     this.button_.classList.add('material-icons');
  34.     // Don't show the button if fullscreen is not supported
  35.     if (!document.fullscreenEnabled) {
  36.       this.button_.classList.add('shaka-hidden');
  37.     }
  39.     this.button_.textContent = shaka.ui.Enums.MaterialDesignIcons.FULLSCREEN;
  40.     this.parent.appendChild(this.button_);
  41.     this.updateAriaLabel_();
  43.     this.eventManager.listen(
  44.         this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
  45.           this.updateAriaLabel_();
  46.         });
  48.     this.eventManager.listen(
  49.         this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
  50.           this.updateAriaLabel_();
  51.         });
  53.     this.eventManager.listen(this.button_, 'click', async () => {
  54.       await this.controls.toggleFullScreen();
  55.     });
  57.     this.eventManager.listen(document, 'fullscreenchange', () => {
  58.       this.updateIcon_();
  59.       this.updateAriaLabel_();
  60.     });
  61.   }
  63.   /**
  64.    * @private
  65.    */
  66.   updateAriaLabel_() {
  67.     const LocIds = shaka.ui.Locales.Ids;
  68.     const label = document.fullscreenElement ?
  69.         LocIds.EXIT_FULL_SCREEN : LocIds.FULL_SCREEN;
  71.     this.button_.setAttribute(shaka.ui.Constants.ARIA_LABEL,
  72.         this.localization.resolve(label));
  73.   }
  75.   /**
  76.    * @private
  77.    */
  78.   updateIcon_() {
  79.     this.button_.textContent =
  80.       document.fullscreenElement ?
  81.       shaka.ui.Enums.MaterialDesignIcons.EXIT_FULLSCREEN :
  82.       shaka.ui.Enums.MaterialDesignIcons.FULLSCREEN;
  83.   }
  84. };
  87. /**
  88.  * @implements {shaka.extern.IUIElement.Factory}
  89.  * @final
  90.  */
  91. shaka.ui.FullscreenButton.Factory = class {
  92.   /** @override */
  93.   create(rootElement, controls) {
  94.     return new shaka.ui.FullscreenButton(rootElement, controls);
  95.   }
  96. };
  98. shaka.ui.Controls.registerElement(
  99.     'fullscreen', new shaka.ui.FullscreenButton.Factory());