Source: ui/settings_menu.js

  1. /*! @license
  2.  * Shaka Player
  3.  * Copyright 2016 Google LLC
  4.  * SPDX-License-Identifier: Apache-2.0
  5.  */
  8. goog.provide('shaka.ui.SettingsMenu');
  10. goog.require('shaka.ui.Element');
  11. goog.require('shaka.ui.Enums');
  12. goog.require('shaka.ui.Utils');
  13. goog.require('shaka.util.Dom');
  14. goog.require('shaka.util.FakeEvent');
  15. goog.requireType('shaka.ui.Controls');
  18. /**
  19.  * @extends {shaka.ui.Element}
  20.  * @implements {shaka.extern.IUISettingsMenu}
  21.  * @export
  22.  */
  23. shaka.ui.SettingsMenu = class extends shaka.ui.Element {
  24.   /**
  25.    * @param {!HTMLElement} parent
  26.    * @param {!shaka.ui.Controls} controls
  27.    * @param {string} iconText
  28.    */
  29.   constructor(parent, controls, iconText) {
  30.     super(parent, controls);
  32.     this.addButton_(iconText);
  34.     this.addMenu_();
  36.     this.inOverflowMenu_();
  38.     this.eventManager.listen(this.button, 'click', () => {
  39.       this.onButtonClick_();
  40.     });
  41.   }
  44.   /**
  45.    * @param {string} iconText
  46.    * @private
  47.    */
  48.   addButton_(iconText) {
  49.     /** @protected {!HTMLButtonElement} */
  50.     this.button = shaka.util.Dom.createButton();
  51.     this.button.classList.add('shaka-overflow-button');
  53.     /** @protected {!HTMLElement}*/
  54.     this.icon = shaka.util.Dom.createHTMLElement('i');
  55.     this.icon.classList.add('material-icons-round');
  56.     this.icon.textContent = iconText;
  57.     this.button.appendChild(this.icon);
  59.     const label = shaka.util.Dom.createHTMLElement('label');
  60.     label.classList.add('shaka-overflow-button-label');
  61.     label.classList.add('shaka-overflow-menu-only');
  63.     /** @protected {!HTMLElement}*/
  64.     this.nameSpan = shaka.util.Dom.createHTMLElement('span');
  65.     label.appendChild(this.nameSpan);
  67.     /** @protected {!HTMLElement}*/
  68.     this.currentSelection = shaka.util.Dom.createHTMLElement('span');
  69.     this.currentSelection.classList.add('shaka-current-selection-span');
  70.     label.appendChild(this.currentSelection);
  71.     this.button.appendChild(label);
  73.     this.parent.appendChild(this.button);
  74.   }
  77.   /** @private */
  78.   addMenu_() {
  79.     /** @protected {!HTMLElement}*/
  80.     this.menu = shaka.util.Dom.createHTMLElement('div');
  81.     this.menu.classList.add('shaka-no-propagation');
  82.     this.menu.classList.add('shaka-show-controls-on-mouse-over');
  83.     this.menu.classList.add('shaka-settings-menu');
  84.     this.menu.classList.add('shaka-hidden');
  86.     /** @protected {!HTMLButtonElement}*/
  87.     this.backButton = shaka.util.Dom.createButton();
  88.     this.backButton.classList.add('shaka-back-to-overflow-button');
  89.     this.menu.appendChild(this.backButton);
  90.     this.eventManager.listen(this.backButton, 'click', () => {
  91.       this.controls.hideSettingsMenus();
  92.     });
  94.     const backIcon = shaka.util.Dom.createHTMLElement('i');
  95.     backIcon.classList.add('material-icons-round');
  96.     backIcon.textContent = shaka.ui.Enums.MaterialDesignIcons.CLOSE;
  97.     this.backButton.appendChild(backIcon);
  99.     /** @protected {!HTMLElement}*/
  100.     this.backSpan = shaka.util.Dom.createHTMLElement('span');
  101.     this.backButton.appendChild(this.backSpan);
  103.     const controlsContainer = this.controls.getControlsContainer();
  104.     controlsContainer.appendChild(this.menu);
  105.   }
  107.   /** @private */
  108.   inOverflowMenu_() {
  109.     // Initially, submenus are created with a "Close" option. When present
  110.     // inside of the overflow menu, that option must be replaced with a
  111.     // "Back" arrow that returns the user to the main menu.
  112.     if (this.parent.classList.contains('shaka-overflow-menu')) {
  113.       this.backButton.firstChild.textContent =
  114.             shaka.ui.Enums.MaterialDesignIcons.BACK;
  116.       this.eventManager.listen(this.backButton, 'click', () => {
  117.         shaka.ui.Utils.setDisplay(this.parent, true);
  119.         /** @type {!HTMLElement} */
  120.         (this.parent.childNodes[0]).focus();
  122.         // Make sure controls are displayed
  123.         this.controls.computeOpacity();
  124.       });
  125.     }
  126.   }
  129.   /** @private */
  130.   onButtonClick_() {
  131.     if (this.menu.classList.contains('shaka-hidden')) {
  132.       this.controls.dispatchEvent(new shaka.util.FakeEvent('submenuopen'));
  133.       shaka.ui.Utils.setDisplay(this.menu, true);
  134.       shaka.ui.Utils.focusOnTheChosenItem(this.menu);
  135.     } else {
  136.       shaka.ui.Utils.setDisplay(this.menu, false);
  137.     }
  138.   }
  139. };