Source: ui/fullscreen_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.FullscreenButton');
  10. goog.require('shaka.ui.Controls');
  11. goog.require('shaka.ui.Element');
  12. goog.require('shaka.ui.Enums');
  13. goog.require('shaka.ui.Locales');
  14. goog.require('shaka.ui.Localization');
  15. goog.require('shaka.util.Dom');
  18. /**
  19.  * @extends {shaka.ui.Element}
  20.  * @final
  21.  * @export
  22.  */
  23. shaka.ui.FullscreenButton = class extends shaka.ui.Element {
  24.   /**
  25.    * @param {!HTMLElement} parent
  26.    * @param {!shaka.ui.Controls} controls
  27.    */
  28.   constructor(parent, controls) {
  29.     super(parent, controls);
  31.     /** @private {HTMLMediaElement} */
  32.     this.localVideo_ = this.controls.getLocalVideo();
  34.     /** @private {!HTMLButtonElement} */
  35.     this.button_ = shaka.util.Dom.createButton();
  36.     this.button_.classList.add('shaka-fullscreen-button');
  37.     this.button_.classList.add('material-icons-round');
  38.     this.button_.classList.add('shaka-tooltip');
  40.     this.checkSupport_();
  42.     this.button_.textContent = shaka.ui.Enums.MaterialDesignIcons.FULLSCREEN;
  43.     this.parent.appendChild(this.button_);
  44.     this.updateAriaLabel_();
  46.     this.eventManager.listen(
  47.         this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
  48.           this.updateAriaLabel_();
  49.         });
  51.     this.eventManager.listen(
  52.         this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
  53.           this.updateAriaLabel_();
  54.         });
  56.     this.eventManager.listen(this.button_, 'click', async () => {
  57.       await this.controls.toggleFullScreen();
  58.     });
  60.     this.eventManager.listen(document, 'fullscreenchange', () => {
  61.       this.updateIcon_();
  62.       this.updateAriaLabel_();
  63.     });
  65.     this.eventManager.listen(this.localVideo_, 'loadedmetadata', () => {
  66.       this.checkSupport_();
  67.     });
  69.     this.eventManager.listen(this.localVideo_, 'loadeddata', () => {
  70.       this.checkSupport_();
  71.     });
  72.   }
  74.   /**
  75.    * @private
  76.    */
  77.   checkSupport_() {
  78.     // Don't show the button if fullscreen is not supported
  79.     if (!this.controls.isFullScreenSupported()) {
  80.       this.button_.classList.add('shaka-hidden');
  81.     } else {
  82.       this.button_.classList.remove('shaka-hidden');
  83.     }
  84.   }
  86.   /**
  87.    * @private
  88.    */
  89.   updateAriaLabel_() {
  90.     const LocIds = shaka.ui.Locales.Ids;
  91.     const label = this.controls.isFullScreenEnabled() ?
  92.         LocIds.EXIT_FULL_SCREEN : LocIds.FULL_SCREEN;
  94.     this.button_.ariaLabel = this.localization.resolve(label);
  95.   }
  97.   /**
  98.    * @private
  99.    */
  100.   updateIcon_() {
  101.     this.button_.textContent =
  102.       this.controls.isFullScreenEnabled() ?
  103.       shaka.ui.Enums.MaterialDesignIcons.EXIT_FULLSCREEN :
  104.       shaka.ui.Enums.MaterialDesignIcons.FULLSCREEN;
  105.   }
  106. };
  109. /**
  110.  * @implements {shaka.extern.IUIElement.Factory}
  111.  * @final
  112.  */
  113. shaka.ui.FullscreenButton.Factory = class {
  114.   /** @override */
  115.   create(rootElement, controls) {
  116.     return new shaka.ui.FullscreenButton(rootElement, controls);
  117.   }
  118. };
  120. shaka.ui.Controls.registerElement(
  121.     'fullscreen', new shaka.ui.FullscreenButton.Factory());