Add Wallpaper option to launcher 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/desktop_background/desktop_background_controller.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"
@@ skipping 75 matching lines @@
     }
   }
   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_);
   }
+  AddItem(MENU_CHANGE_WALLPAPER,
+       l10n_util::GetStringUTF16(IDS_AURA_SET_DESKTOP_WALLPAPER));
 }
 
 LauncherContextMenu::~LauncherContextMenu() {
 }
 
 bool LauncherContextMenu::IsCommandIdChecked(int command_id) const {
   switch (command_id) {
     case LAUNCH_TYPE_PINNED_TAB:
       return controller_->GetLaunchType(item_.id) ==
           extensions::ExtensionPrefs::LAUNCH_PINNED;
@@ skipping 11 matching lines @@
     default:
       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);
+    case MENU_CHANGE_WALLPAPER:
+      return ash::Shell::GetInstance()->user_wallpaper_delegate()->
+          CanOpenSetWallpaperPage();
     default:
       return extension_items_->IsCommandIdEnabled(command_id);
   }
 }
 
 bool LauncherContextMenu::GetAcceleratorForCommandId(
       int command_id,
       ui::Accelerator* accelerator) {
   return false;
 }
@@ skipping 30 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;
+    case MENU_CHANGE_WALLPAPER:
+       ash::Shell::GetInstance()->user_wallpaper_delegate()->
+           OpenSetWallpaperPage();
+       break;
     default:
       extension_items_->ExecuteCommand(command_id, NULL,
                                        content::ContextMenuParams());
   }
 }