Block keyboard and mouse input when maximize mode is activated by accelerometer.

ash/desktop_background/desktop_background_controller.h

 // 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.
 
 #ifndef ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_CONTROLLER_H_
 #define ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_CONTROLLER_H_
 
 #include "ash/ash_export.h"
 #include "ash/display/display_controller.h"
+#include "ash/shell_observer.h"
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/timer/timer.h"
 #include "ui/compositor/layer.h"
 #include "ui/gfx/image/image_skia.h"
 
@@ skipping 19 matching lines @@
   WALLPAPER_LAYOUT_TILE,
 };
 
 const SkColor kLoginWallpaperColor = 0xFEFEFE;
 
 class DesktopBackgroundControllerObserver;
 class WallpaperResizer;
 
 // Updates background layer if necessary.
 class ASH_EXPORT DesktopBackgroundController
-    : public DisplayController::Observer {
+    : public DisplayController::Observer,
+      public ShellObserver {
  public:
   class TestAPI;
 
   enum BackgroundMode {
     BACKGROUND_NONE,
     BACKGROUND_IMAGE,
   };
 
   DesktopBackgroundController();
   virtual ~DesktopBackgroundController();
 
   BackgroundMode desktop_background_mode() const {
     return desktop_background_mode_;
   }
 
   // Add/Remove observers.
   void AddObserver(DesktopBackgroundControllerObserver* observer);
   void RemoveObserver(DesktopBackgroundControllerObserver* observer);
 
   // Provides current image on the background, or empty gfx::ImageSkia if there
   // is no image, e.g. background is none.
   gfx::ImageSkia GetWallpaper() const;
 
   WallpaperLayout GetWallpaperLayout() const;
 
-  // Initialize root window's background.
-  void OnRootWindowAdded(aura::Window* root_window);
-
   // Sets wallpaper. This is mostly called by WallpaperManager to set
   // the default or user selected custom wallpaper.
   // Returns true if new image was actually set. And false when duplicate set
   // request detected.
   bool SetWallpaperImage(const gfx::ImageSkia& image, WallpaperLayout layout);
   // The same, but image from resources is used.
   bool SetWallpaperResource(int resource_id, WallpaperLayout layout);
 
   // Creates an empty wallpaper. Some tests require a wallpaper widget is ready
   // when running. However, the wallpaper widgets are now created
   // asynchronously. If loading a real wallpaper, there are cases that these
   // tests crash because the required widget is not ready. This function
   // synchronously creates an empty widget for those tests to prevent
   // crashes. An example test is SystemGestureEventFilterTest.ThreeFingerSwipe.
   void CreateEmptyWallpaper();
 
   // Move all desktop widgets to locked container.
   // Returns true if the desktop moved.
   bool MoveDesktopToLockedContainer();
 
   // Move all desktop widgets to unlocked container.
   // Returns true if the desktop moved.
   bool MoveDesktopToUnlockedContainer();
 
-  // Overrides DisplayController::Observer:
+  // DisplayController::Observer:
   virtual void OnDisplayConfigurationChanged() OVERRIDE;
 
+  // ShellObserver:
+  virtual void OnRootWindowAdded(aura::Window* root_window) OVERRIDE;
+
   // Returns the maximum size of all displays combined in native
   // resolutions.  Note that this isn't the bounds of the display who
   // has maximum resolutions. Instead, this returns the size of the
   // maximum width of all displays, and the maximum height of all displays.
   static gfx::Size GetMaxDisplaySizeInNative();
 
  private:
   friend class DesktopBackgroundControllerTest;
   //  friend class chromeos::WallpaperManagerBrowserTestDefaultWallpaper;
   FRIEND_TEST_ALL_PREFIXES(DesktopBackgroundControllerTest, GetMaxDisplaySize);
@@ skipping 51 matching lines @@
   base::OneShotTimer<DesktopBackgroundController> timer_;
 
   int wallpaper_reload_delay_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopBackgroundController);
 };
 
 }  // namespace ash
 
 #endif  // ASH_DESKTOP_BACKGROUND_DESKTOP_BACKGROUND_CONTROLLER_H_