Home | History | Annotate | Download | only in wm 
      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef ASH_WM_STACKING_CONTROLLER_H_
      6 #define ASH_WM_STACKING_CONTROLLER_H_
      7 
      8 #include "ash/ash_export.h"
      9 #include "base/basictypes.h"
     10 #include "base/compiler_specific.h"
     11 #include "base/memory/scoped_ptr.h"
     12 #include "ui/aura/client/stacking_client.h"
     13 
     14 namespace aura{
     15 class RootWindow;
     16 }
     17 
     18 namespace ash {
     19 
     20 namespace internal {
     21 class AlwaysOnTopController;
     22 }
     23 
     24 class ASH_EXPORT StackingController : public aura::client::StackingClient {
     25  public:
     26   StackingController();
     27   virtual ~StackingController();
     28 
     29   // Overridden from aura::client::StackingClient:
     30   virtual aura::Window* GetDefaultParent(aura::Window* context,
     31                                          aura::Window* window,
     32                                          const gfx::Rect& bounds) OVERRIDE;
     33 
     34  private:
     35   // Returns corresponding system modal container for a modal window.
     36   // If screen lock is not active, all system modal windows are placed into the
     37   // normal modal container.
     38   // Otherwise those that originate from LockScreen container and above are
     39   // placed in the screen lock modal container.
     40   aura::Window* GetSystemModalContainer(aura::RootWindow* root,
     41                                         aura::Window* window) const;
     42 
     43   DISALLOW_COPY_AND_ASSIGN(StackingController);
     44 };
     45 
     46 }  // namespace ash
     47 
     48 #endif  // ASH_WM_STACKING_CONTROLLER_H_
     49