Give platform apps control over launcher right-click context menu.

chrome/browser/ui/ash/launcher/launcher_context_menu.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/ui/ash/launcher/launcher_context_menu.h"
 
 #include "ash/launcher/launcher_context_menu.h"
 #include "ash/shell.h"
 #include "base/command_line.h"
+#include "chrome/browser/extensions/context_menu_matcher.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 #include "chrome/common/chrome_switches.h"
+#include "content/public/common/context_menu_params.h"
 #include "grit/ash_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
+namespace {
+
+bool MenuItemHasLauncherContext(const extensions::MenuItem* item) {
+  return item->contexts().Contains(extensions::MenuItem::LAUNCHER);
+}
+
+}  // namespace
+
 LauncherContextMenu::LauncherContextMenu(ChromeLauncherController* controller,
                                          const ash::LauncherItem* item)
     : ui::SimpleMenuModel(NULL),
       controller_(controller),
-      item_(item ? *item : ash::LauncherItem()) {
+      item_(item ? *item : ash::LauncherItem()),
+      extension_items_(new extensions::ContextMenuMatcher(
+          controller->profile(), this, this,
+          base::Bind(MenuItemHasLauncherContext))) {
   set_delegate(this);
 
   if (is_valid_item()) {
     if (item_.type == ash::TYPE_APP_SHORTCUT) {
       DCHECK(controller->IsPinned(item_.id));
       AddItem(
           MENU_PIN,
           l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_UNPIN));
       if (controller->IsOpen(item->id)) {
         AddItem(MENU_CLOSE,
@@ skipping 28 matching lines @@
             MENU_PIN,
             l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_PIN));
       }
       if (controller->IsOpen(item_.id)) {
         AddItem(MENU_CLOSE,
                 l10n_util::GetStringUTF16(IDS_LAUNCHER_CONTEXT_MENU_CLOSE));
       }
     }
     AddSeparator(ui::NORMAL_SEPARATOR);
   }
+  std::string app_id = controller->GetAppIDForLauncherID(item_.id);
+  if (!app_id.empty()) {
+    int index = 0;
+    extension_items_->AppendExtensionItems(
+        app_id, string16(), &index);
+    if (index > 0)
+      AddSeparator(ui::NORMAL_SEPARATOR);
+  }
   AddCheckItemWithStringId(
       MENU_AUTO_HIDE, ash::LauncherContextMenu::GetAutoHideResourceStringId());
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kShowLauncherAlignmentMenu)) {
     AddSubMenuWithStringId(MENU_ALIGNMENT_MENU,
                            IDS_AURA_LAUNCHER_CONTEXT_MENU_POSITION,
                            &alignment_menu_);
   }
 }
 
@@ skipping 10 matching lines @@
           extensions::ExtensionPrefs::LAUNCH_REGULAR;
     case LAUNCH_TYPE_WINDOW:
       return controller_->GetLaunchType(item_.id) ==
           extensions::ExtensionPrefs::LAUNCH_WINDOW;
     case LAUNCH_TYPE_FULLSCREEN:
       return controller_->GetLaunchType(item_.id) ==
           extensions::ExtensionPrefs::LAUNCH_FULLSCREEN;
     case MENU_AUTO_HIDE:
       return ash::LauncherContextMenu::IsAutoHideMenuHideChecked();
     default:
-      return false;
+      return extension_items_->IsCommandIdChecked(command_id);
   }
 }
 
 bool LauncherContextMenu::IsCommandIdEnabled(int command_id) const {
   switch (command_id) {
     case MENU_PIN:
       return item_.type == ash::TYPE_PLATFORM_APP ||
           controller_->IsPinnable(item_.id);
     default:
-      return true;
+      return extension_items_->IsCommandIdEnabled(command_id);
   }
 }
 
 bool LauncherContextMenu::GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) {
   return false;
 }
 
 void LauncherContextMenu::ExecuteCommand(int command_id) {
@@ skipping 28 matching lines @@
           ash::LauncherContextMenu::GetToggledAutoHideBehavior());
       break;
     case MENU_NEW_WINDOW:
       controller_->CreateNewWindow();
       break;
     case MENU_NEW_INCOGNITO_WINDOW:
       controller_->CreateNewIncognitoWindow();
       break;
     case MENU_ALIGNMENT_MENU:
       break;
+    default:
+      extension_items_->ExecuteCommand(command_id,
+                                       content::ContextMenuParams());
   }
 }