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.ads.Utils');
  11. goog.require('shaka.ui.Controls');
  12. goog.require('shaka.ui.Element');
  13. goog.require('shaka.ui.Enums');
  14. goog.require('shaka.ui.Locales');
  15. goog.require('shaka.ui.Localization');
  16. goog.require('shaka.util.Dom');
  19. /**
  20.  * @extends {shaka.ui.Element}
  21.  * @final
  22.  * @export
  23.  */
  24. shaka.ui.FullscreenButton = class extends shaka.ui.Element {
  25.   /**
  26.    * @param {!HTMLElement} parent
  27.    * @param {!shaka.ui.Controls} controls
  28.    */
  29.   constructor(parent, controls) {
  30.     super(parent, controls);
  32.     /** @private {HTMLMediaElement} */
  33.     this.localVideo_ = this.controls.getLocalVideo();
  35.     /** @private {!HTMLButtonElement} */
  36.     this.button_ = shaka.util.Dom.createButton();
  37.     this.button_.classList.add('shaka-fullscreen-button');
  38.     this.button_.classList.add('material-icons-round');
  39.     this.button_.classList.add('shaka-tooltip');
  41.     this.checkSupport_();
  43.     this.button_.textContent = shaka.ui.Enums.MaterialDesignIcons.FULLSCREEN;
  44.     this.parent.appendChild(this.button_);
  45.     this.updateAriaLabel_();
  47.     this.eventManager.listen(
  48.         this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
  49.           this.updateAriaLabel_();
  50.         });
  52.     this.eventManager.listen(
  53.         this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
  54.           this.updateAriaLabel_();
  55.         });
  57.     this.eventManager.listen(this.button_, 'click', async () => {
  58.       if (!this.controls.isOpaque()) {
  59.         return;
  60.       }
  61.       await this.controls.toggleFullScreen();
  62.     });
  64.     this.eventManager.listen(document, 'fullscreenchange', () => {
  65.       this.updateIcon_();
  66.       this.updateAriaLabel_();
  67.     });
  69.     this.eventManager.listen(this.localVideo_, 'loadedmetadata', () => {
  70.       this.checkSupport_();
  71.     });
  73.     this.eventManager.listen(this.localVideo_, 'loadeddata', () => {
  74.       this.checkSupport_();
  75.     });
  77.     this.eventManager.listen(this.adManager, shaka.ads.Utils.AD_STARTED, () => {
  78.       this.checkSupport_();
  79.     });
  81.     this.eventManager.listen(this.adManager, shaka.ads.Utils.AD_STOPPED, () => {
  82.       this.checkSupport_();
  83.     });
  84.   }
  86.   /**
  87.    * @private
  88.    */
  89.   checkSupport_() {
  90.     // Don't show the button if fullscreen is not supported
  91.     if (!this.controls.isFullScreenSupported()) {
  92.       this.button_.classList.add('shaka-hidden');
  93.     } else {
  94.       this.button_.classList.remove('shaka-hidden');
  95.     }
  96.   }
  98.   /**
  99.    * @private
  100.    */
  101.   updateAriaLabel_() {
  102.     const LocIds = shaka.ui.Locales.Ids;
  103.     const label = this.controls.isFullScreenEnabled() ?
  104.         LocIds.EXIT_FULL_SCREEN : LocIds.FULL_SCREEN;
  106.     this.button_.ariaLabel = this.localization.resolve(label);
  107.   }
  109.   /**
  110.    * @private
  111.    */
  112.   updateIcon_() {
  113.     this.button_.textContent =
  114.       this.controls.isFullScreenEnabled() ?
  115.       shaka.ui.Enums.MaterialDesignIcons.EXIT_FULLSCREEN :
  116.       shaka.ui.Enums.MaterialDesignIcons.FULLSCREEN;
  117.   }
  118. };
  121. /**
  122.  * @implements {shaka.extern.IUIElement.Factory}
  123.  * @final
  124.  */
  125. shaka.ui.FullscreenButton.Factory = class {
  126.   /** @override */
  127.   create(rootElement, controls) {
  128.     return new shaka.ui.FullscreenButton(rootElement, controls);
  129.   }
  130. };
  132. shaka.ui.Controls.registerElement(
  133.     'fullscreen', new shaka.ui.FullscreenButton.Factory());