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
5#ifndef ASH_WM_OVERVIEW_SCOPED_WINDOW_COPY_H_
6#define ASH_WM_OVERVIEW_SCOPED_WINDOW_COPY_H_
7
8#include "base/basictypes.h"
9
10namespace aura {
11class Window;
12}
13
14namespace views {
15class Widget;
16}
17
18namespace ash {
19
20class CleanupWidgetAfterAnimationObserver;
21
22// ScopedWindowCopy copies a window and will clean up the copied layers after
23// the class goes out of scope and the last animation has finished.
24class ScopedWindowCopy {
25 public:
26  ScopedWindowCopy(aura::Window* target_root, aura::Window* src_window);
27  ~ScopedWindowCopy();
28
29  aura::Window* GetWindow();
30
31 private:
32  // A weak pointer to a copy of the source window owned by cleanup_observer_.
33  views::Widget* widget_;
34
35  // A weak pointer to an animation observer which owns itself. When the
36  // ScopedWindowCopy is destroyed The animation observer will clean up the
37  // widget, layer and itself once any pending animations have completed.
38  CleanupWidgetAfterAnimationObserver* cleanup_observer_;
39
40  DISALLOW_COPY_AND_ASSIGN(ScopedWindowCopy);
41};
42
43}  // namespace ash
44
45#endif  // ASH_WM_OVERVIEW_SCOPED_WINDOW_COPY_H_
46