Add custom action support

chrome/browser/resources/chromeos/chromevox/cvox2/background/panel.js

 // Copyright 2015 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.
 
 /**
  * @fileoverview The ChromeVox panel and menus.
  */
 
 goog.provide('Panel');
 
@@ skipping 426 matching lines @@
   for (var i = 0; i < roleListMenuMapping.length; ++i) {
     var menuTitle = roleListMenuMapping[i].menuTitle;
     var predicate = roleListMenuMapping[i].predicate;
     // Create node menus asynchronously (because it may require searching a
     // long document) unless that's the specific menu the
     // user requested.
     var async = (menuTitle != opt_activateMenuTitle);
     Panel.addNodeMenu(menuTitle, node, predicate, async);
   }
 
+  // Add custom actions.
+  var customActionsMenu = Panel.addMenu('panel_menu_custom_actions');
+  if (node.customActions && node.customActions.length > 0) {
+    for (var i = 0; i < node.customActions.length; i++) {
+      var customAction = node.customActions[i];
+      customActionsMenu.addMenuItem(customAction.description,
+          '' /* menuItemShortcut */, '' /* menuItemBraille */,
+          node.performCustomAction.bind(node, customAction.id));
+    }
+  } else {

[David Tseng, 2017/06/06 18:12:39]

I would prefer not adding the menu at all.

[yawano, 2017/06/08 09:25:28]

Done. Changed not to show the menu if there is no custom action.

+    customActionsMenu.addMenuItem(Msgs.getMsg('panel_menu_item_none'),
+        '' /* menuItemShortcut */, '' /* menuItemBraille */,
+        null /* callback */);
+  }
+
   // Activate either the specified menu or the first menu.
   var selectedMenu = Panel.menus_[0];
   for (var i = 0; i < Panel.menus_.length; i++) {
     if (this.menus_[i].menuMsg == opt_activateMenuTitle)
       selectedMenu = this.menus_[i];
   }
   Panel.activateMenu(selectedMenu);
 };
 
 /** Open incremental search. */
@@ skipping 454 matching lines @@
 }, false);
 
 window.addEventListener('hashchange', function() {
   if (location.hash == '#fullscreen' || location.hash == '#focus') {
     this.originalStickyState_ = cvox.ChromeVox.isStickyPrefOn;
     cvox.ChromeVox.isStickyPrefOn = false;
   } else {
     cvox.ChromeVox.isStickyPrefOn = this.originalStickyState_;
   }
 }, false);