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.       await this.controls.toggleFullScreen();
  59.     });
  61.     this.eventManager.listen(document, 'fullscreenchange', () => {
  62.       this.updateIcon_();
  63.       this.updateAriaLabel_();
  64.     });
  66.     this.eventManager.listen(this.localVideo_, 'loadedmetadata', () => {
  67.       this.checkSupport_();
  68.     });
  70.     this.eventManager.listen(this.localVideo_, 'loadeddata', () => {
  71.       this.checkSupport_();
  72.     });
  74.     this.eventManager.listen(this.adManager, shaka.ads.Utils.AD_STARTED, () => {
  75.       this.checkSupport_();
  76.     });
  78.     this.eventManager.listen(this.adManager, shaka.ads.Utils.AD_STOPPED, () => {
  79.       this.checkSupport_();
  80.     });
  81.   }
  83.   /**
  84.    * @private
  85.    */
  86.   checkSupport_() {
  87.     // Don't show the button if fullscreen is not supported
  88.     if (!this.controls.isFullScreenSupported()) {
  89.       this.button_.classList.add('shaka-hidden');
  90.     } else {
  91.       this.button_.classList.remove('shaka-hidden');
  92.     }
  93.   }
  95.   /**
  96.    * @private
  97.    */
  98.   updateAriaLabel_() {
  99.     const LocIds = shaka.ui.Locales.Ids;
  100.     const label = this.controls.isFullScreenEnabled() ?
  101.         LocIds.EXIT_FULL_SCREEN : LocIds.FULL_SCREEN;
  103.     this.button_.ariaLabel = this.localization.resolve(label);
  104.   }
  106.   /**
  107.    * @private
  108.    */
  109.   updateIcon_() {
  110.     this.button_.textContent =
  111.       this.controls.isFullScreenEnabled() ?
  112.       shaka.ui.Enums.MaterialDesignIcons.EXIT_FULLSCREEN :
  113.       shaka.ui.Enums.MaterialDesignIcons.FULLSCREEN;
  114.   }
  115. };
  118. /**
  119.  * @implements {shaka.extern.IUIElement.Factory}
  120.  * @final
  121.  */
  122. shaka.ui.FullscreenButton.Factory = class {
  123.   /** @override */
  124.   create(rootElement, controls) {
  125.     return new shaka.ui.FullscreenButton(rootElement, controls);
  126.   }
  127. };
  129. shaka.ui.Controls.registerElement(
  130.     'fullscreen', new shaka.ui.FullscreenButton.Factory());