Source: ui/toggle_stereoscopic.js

  1. /*! @license
  2.  * Shaka Player
  3.  * Copyright 2016 Google LLC
  4.  * SPDX-License-Identifier: Apache-2.0
  5.  */
  8. goog.provide('shaka.ui.ToggleStereoscopicButton');
  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.ui.OverflowMenu');
  16. goog.require('shaka.ui.Utils');
  17. goog.require('shaka.util.Dom');
  18. goog.requireType('shaka.ui.Controls');
  21. /**
  22.  * @extends {shaka.ui.Element}
  23.  * @final
  24.  * @export
  25.  */
  26. shaka.ui.ToggleStereoscopicButton = class extends shaka.ui.Element {
  27.   /**
  28.    * @param {!HTMLElement} parent
  29.    * @param {!shaka.ui.Controls} controls
  30.    */
  31.   constructor(parent, controls) {
  32.     super(parent, controls);
  34.     /** @private {!HTMLButtonElement} */
  35.     this.toggleStereoscopicButton_ = shaka.util.Dom.createButton();
  36.     this.toggleStereoscopicButton_.classList.add(
  37.         'shaka-toggle-stereoscopic-button');
  38.     this.toggleStereoscopicButton_.classList.add('shaka-tooltip');
  39.     this.toggleStereoscopicButton_.ariaPressed = 'false';
  41.     /** @private {!HTMLElement} */
  42.     this.toggleStereoscopicIcon_ = shaka.util.Dom.createHTMLElement('i');
  43.     this.toggleStereoscopicIcon_.classList.add('material-icons-round');
  44.     this.toggleStereoscopicIcon_.textContent =
  45.         shaka.ui.Enums.MaterialDesignIcons.TOGGLE_STEREOSCOPIC;
  46.     this.toggleStereoscopicButton_.appendChild(this.toggleStereoscopicIcon_);
  48.     const label = shaka.util.Dom.createHTMLElement('label');
  49.     label.classList.add('shaka-overflow-button-label');
  50.     label.classList.add('shaka-overflow-menu-only');
  51.     this.toggleStereoscopicNameSpan_ = shaka.util.Dom.createHTMLElement('span');
  52.     label.appendChild(this.toggleStereoscopicNameSpan_);
  54.     this.toggleStereoscopicCurrentSelectionSpan_ =
  55.       shaka.util.Dom.createHTMLElement('span');
  56.     this.toggleStereoscopicCurrentSelectionSpan_.classList.add(
  57.         'shaka-current-selection-span');
  58.     label.appendChild(this.toggleStereoscopicCurrentSelectionSpan_);
  59.     this.toggleStereoscopicButton_.appendChild(label);
  60.     this.parent.appendChild(this.toggleStereoscopicButton_);
  62.     // Setup strings in the correct language
  63.     this.updateLocalizedStrings_();
  65.     this.eventManager.listen(
  66.         this.localization, shaka.ui.Localization.LOCALE_UPDATED, () => {
  67.           this.updateLocalizedStrings_();
  68.         });
  70.     this.eventManager.listen(
  71.         this.localization, shaka.ui.Localization.LOCALE_CHANGED, () => {
  72.           this.updateLocalizedStrings_();
  73.         });
  75.     const vr = this.controls.getVR();
  77.     this.eventManager.listen(this.toggleStereoscopicButton_, 'click', () => {
  78.       if (!this.controls.isOpaque()) {
  79.         return;
  80.       }
  81.       vr.toggleStereoscopicMode();
  82.     });
  84.     this.eventManager.listen(vr, 'vrstatuschanged', () => {
  85.       this.checkAvailability_();
  86.     });
  88.     this.checkAvailability_();
  89.   }
  92.   /**
  93.    * @private
  94.    */
  95.   checkAvailability_() {
  96.     shaka.ui.Utils.setDisplay(this.toggleStereoscopicButton_,
  97.         this.controls.isPlayingVR());
  98.   }
  101.   /**
  102.    * @private
  103.    */
  104.   updateLocalizedStrings_() {
  105.     const LocIds = shaka.ui.Locales.Ids;
  107.     this.toggleStereoscopicButton_.ariaLabel =
  108.         this.localization.resolve(LocIds.TOGGLE_STEREOSCOPIC);
  109.     this.toggleStereoscopicNameSpan_.textContent =
  110.         this.localization.resolve(LocIds.TOGGLE_STEREOSCOPIC);
  111.   }
  112. };
  115. /**
  116.  * @implements {shaka.extern.IUIElement.Factory}
  117.  * @final
  118.  */
  119. shaka.ui.ToggleStereoscopicButton.Factory = class {
  120.   /** @override */
  121.   create(rootElement, controls) {
  122.     return new shaka.ui.ToggleStereoscopicButton(rootElement, controls);
  123.   }
  124. };
  126. shaka.ui.OverflowMenu.registerElement(
  127.     'toggle_stereoscopic', new shaka.ui.ToggleStereoscopicButton.Factory());
  129. shaka.ui.Controls.registerElement(
  130.     'toggle_stereoscopic', new shaka.ui.ToggleStereoscopicButton.Factory());