| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /** |
| * Javascript for Sidebar, served from chrome://bluetooth-internals/. |
| */ |
| |
| cr.define('sidebar', function() { |
| /** @typedef {{pageName: string, text: string}} */ |
| var SidebarItem; |
| |
| /** @const {!Object}*/ |
| var PageManager = cr.ui.pageManager.PageManager; |
| |
| /** |
| * A side menu that lists the currently navigable pages. |
| * @constructor |
| * @param {!Element} sidebarDiv The div corresponding to the sidebar. |
| * @extends {cr.ui.pageManager.PageManager.Observer} |
| */ |
| function Sidebar(sidebarDiv) { |
| /** @private {!Element} */ |
| this.sidebarDiv_ = sidebarDiv; |
| /** @private {!Element} */ |
| this.sidebarContent_ = |
| assert(this.sidebarDiv_.querySelector('.sidebar-content')); |
| /** @private {!Element} */ |
| this.sidebarList_ = assert(this.sidebarContent_.querySelector('ul')); |
| |
| this.sidebarList_.querySelectorAll('li button').forEach(function(item) { |
| item.addEventListener('click', this.onItemClick_.bind(this)); |
| }, this); |
| |
| /** @private {!Element} */ |
| this.overlayDiv_ = assert(this.sidebarDiv_.querySelector('.overlay')); |
| this.overlayDiv_.addEventListener('click', this.close.bind(this)); |
| |
| window.matchMedia('screen and (max-width: 600px)') |
| .addListener(function(query) { |
| if (!query.matches) { |
| this.close(); |
| } |
| }.bind(this)); |
| } |
| |
| Sidebar.prototype = { |
| __proto__: PageManager.Observer.prototype, |
| |
| /** |
| * Adds a new list item to the sidebar using the given |item|. |
| * @param {!SidebarItem} item |
| */ |
| addItem: function(item) { |
| var sidebarItem = document.createElement('li'); |
| sidebarItem.dataset.pageName = item.pageName.toLowerCase(); |
| |
| var button = document.createElement('button'); |
| button.classList.add('custom-appearance'); |
| button.textContent = item.text; |
| button.addEventListener('click', this.onItemClick_.bind(this)); |
| sidebarItem.appendChild(button); |
| |
| this.sidebarList_.appendChild(sidebarItem); |
| }, |
| |
| /** |
| * Closes the sidebar. Only applies to layouts with window width <= 600px. |
| */ |
| close: function() { |
| this.sidebarDiv_.classList.remove('open'); |
| document.body.style.overflow = ''; |
| document.dispatchEvent(new CustomEvent('contentfocus')); |
| }, |
| |
| /** |
| * Opens the sidebar. Only applies to layouts with window width <= 600px. |
| */ |
| open: function() { |
| document.body.style.overflow = 'hidden'; |
| this.sidebarDiv_.classList.add('open'); |
| document.dispatchEvent(new CustomEvent('contentblur')); |
| }, |
| |
| /** |
| * Removes a sidebar item where |pageName| matches the item's pageName. |
| * @param {string} pageName |
| */ |
| removeItem: function(pageName) { |
| pageName = pageName.toLowerCase(); |
| var query = 'li[data-page-name="' + pageName + '"]'; |
| this.sidebarList_.removeChild(this.sidebarList_.querySelector(query)); |
| }, |
| |
| /** |
| * Called when a page is navigated to. |
| * @override |
| * @param {string} path The path of the page being visited. |
| */ |
| updateHistory: function(path) { |
| this.sidebarContent_.querySelectorAll('li').forEach(function(item) { |
| item.classList.toggle('selected', item.dataset.pageName === path); |
| }); |
| }, |
| |
| /** |
| * Switches the page based on which sidebar list button was clicked. |
| * @param {!Event} event |
| * @private |
| */ |
| onItemClick_: function(event) { |
| this.close(); |
| PageManager.showPageByName(event.target.parentNode.dataset.pageName); |
| }, |
| }; |
| |
| return {Sidebar: Sidebar}; |
| }); |