Options2: Pull the trigger.

chrome/browser/resources/options2/chromeos/virtual_keyboard.js

Index: chrome/browser/resources/options2/chromeos/virtual_keyboard.js
diff --git a/chrome/browser/resources/options2/chromeos/virtual_keyboard.js b/chrome/browser/resources/options2/chromeos/virtual_keyboard.js
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+// Copyright (c) 2011 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.
+
+cr.define('options', function() {
+  const OptionsPage = options.OptionsPage;
+
+  /////////////////////////////////////////////////////////////////////////////
+  // VirtualKeyboardManager class:
+
+  /**
+   * Virtual keyboard management page.
+   * @constructor
+   */
+  function VirtualKeyboardManager() {
+    this.activeNavTab = null;
+    OptionsPage.call(this,
+                     'virtualKeyboards',
+                     // The templateData.virtualKeyboardPageTabTitle is added
+                     // in OptionsPageUIHandler::RegisterTitle().
+                     templateData.virtualKeyboardPageTabTitle,
+                     'virtual-keyboard-manager');
+  }
+
+  cr.addSingletonGetter(VirtualKeyboardManager);
+
+  VirtualKeyboardManager.prototype = {
+    __proto__: OptionsPage.prototype,
+
+    /**
+     * The virtual keyboards list.
+     * @type {ItemList}
+     * @private
+     */
+    virtualKeyboardsList_: null,
+
+    /** @inheritDoc */
+    initializePage: function() {
+      OptionsPage.prototype.initializePage.call(this);
+      this.createVirtualKeyboardsList_();
+    },
+
+    /** @inheritDoc */
+    didShowPage: function() {
+      chrome.send('updateVirtualKeyboardList');
+    },
+
+    /**
+     * Creates, decorates and initializes the keyboards list.
+     * @private
+     */
+    createVirtualKeyboardsList_: function() {
+      this.virtualKeyboardsList_ = $('virtual-keyboard-per-layout-list');
+      options.VirtualKeyboardsList.decorate(this.virtualKeyboardsList_);
+      this.virtualKeyboardsList_.autoExpands = true;
+    },
+  };
+
+  /**
+   * Sets the list of virtual keyboards shown in the view. This function is
+   * called by C++ code (e.g. chrome/browser/ui/webui/options/chromeos/).
+   * @param {Object} list A list of layouts with their registered virtual
+   *     keyboards.
+   */
+  VirtualKeyboardManager.updateVirtualKeyboardList = function(list) {
+    // See virtual_keyboard_list.js for an example of the format the list should
+    // take.
+    var filteredList = list.filter(function(element, index, array) {
+        // Don't show a layout which is supported by only one virtual keyboard
+        // extension.
+        return element.supportedKeyboards.length > 1;
+      });
+
+    // Sort the drop-down menu items by name.
+    filteredList.forEach(function(e) {
+        e.supportedKeyboards.sort(function(e1, e2) {
+            return e1.name > e2.name;
+          });
+      });
+
+    // Sort the list by layout name.
+    $('virtual-keyboard-per-layout-list').setVirtualKeyboardList(
+        filteredList.sort(function(e1, e2) {
+            return e1.layoutName > e2.layoutName;
+          }));
+  };
+
+  // Export
+  return {
+    VirtualKeyboardManager: VirtualKeyboardManager,
+  };
+});