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      1 // Copyright 2013 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 #ifndef ASH_SCOPED_TARGET_ROOT_WINDOW_H_
      5 #define ASH_SCOPED_TARGET_ROOT_WINDOW_H_
      6 
      7 #include "ash/ash_export.h"
      8 #include "base/basictypes.h"
      9 
     10 namespace aura {
     11 class Window;
     12 }
     13 
     14 namespace ash {
     15 
     16 // Constructing a ScopedTargetRootWindow allows temporarily
     17 // switching a target root window so that a new window gets created
     18 // in the same window where a user interaction happened.
     19 // An example usage is to specify the target root window when creating
     20 // a new window using launcher's icon.
     21 class ASH_EXPORT ScopedTargetRootWindow {
     22  public:
     23   explicit ScopedTargetRootWindow(aura::Window* root_window);
     24   ~ScopedTargetRootWindow();
     25 
     26  private:
     27   DISALLOW_COPY_AND_ASSIGN(ScopedTargetRootWindow);
     28 };
     29 
     30 }  // namespace ash
     31 
     32 #endif  // ASH_SCOPED_TARGET_ROOT_WINDOW_H_
     33