mirror_window_controller.h revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
1// Copyright (c) 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_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
6#define ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
7
8#include "ash/ash_export.h"
9#include "base/compiler_specific.h"
10#include "base/memory/ref_counted.h"
11#include "base/memory/scoped_ptr.h"
12#include "ui/aura/root_window_observer.h"
13#include "ui/gfx/display.h"
14#include "ui/gfx/native_widget_types.h"
15#include "ui/gfx/point.h"
16#include "ui/gfx/size.h"
17
18namespace aura {
19class RootWindow;
20class RootWindowTransformer;
21class Window;
22}
23
24namespace ui {
25class Reflector;
26}
27
28namespace ash {
29namespace test{
30class MirrorWindowTestApi;
31}
32
33namespace internal {
34class DisplayInfo;
35
36// An object that copies the content of the primary root window to a
37// mirror window. This also draws a mouse cursor as the mouse cursor
38// is typically drawn by the window system.
39class ASH_EXPORT MirrorWindowController : public aura::RootWindowObserver {
40 public:
41  MirrorWindowController();
42  virtual ~MirrorWindowController();
43
44  // Updates the root window's bounds using |display_info|.
45  // Creates the new root window if one doesn't exist.
46  void UpdateWindow(const DisplayInfo& display_info);
47
48  // Same as above, but using existing display info
49  // for the mirrored display.
50  void UpdateWindow();
51
52  // Close the mirror window.
53  void Close();
54
55  // aura::RootWindowObserver overrides:
56  virtual void OnWindowTreeHostResized(const aura::RootWindow* root) OVERRIDE;
57
58  // Returns the mirror root window.
59  aura::RootWindow* root_window() const { return root_window_.get(); }
60
61 private:
62  friend class test::MirrorWindowTestApi;
63
64  // Creates a RootWindowTransformer for current display
65  // configuration.
66  scoped_ptr<aura::RootWindowTransformer> CreateRootWindowTransformer() const;
67
68  scoped_ptr<aura::RootWindow> root_window_;
69  gfx::Size mirror_window_host_size_;
70  scoped_refptr<ui::Reflector> reflector_;
71
72  DISALLOW_COPY_AND_ASSIGN(MirrorWindowController);
73};
74
75}  // namespace internal
76}  // namespace ash
77
78#endif  // ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
79