mirror_window_controller.h revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
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/window_tree_host.h"
13#include "ui/aura/window_tree_host_observer.h"
14#include "ui/gfx/display.h"
15#include "ui/gfx/native_widget_types.h"
16#include "ui/gfx/point.h"
17#include "ui/gfx/size.h"
18
19namespace aura {
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::WindowTreeHostObserver {
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::WindowTreeHostObserver overrides:
56  virtual void OnHostResized(const aura::WindowTreeHost* host) OVERRIDE;
57
58  aura::WindowTreeHost* host() const { return host_.get(); }
59
60 private:
61  friend class test::MirrorWindowTestApi;
62
63  // Creates a RootWindowTransformer for current display
64  // configuration.
65  scoped_ptr<aura::RootWindowTransformer> CreateRootWindowTransformer() const;
66
67  scoped_ptr<aura::WindowTreeHost> host_;
68  gfx::Size mirror_window_host_size_;
69  scoped_refptr<ui::Reflector> reflector_;
70
71  DISALLOW_COPY_AND_ASSIGN(MirrorWindowController);
72};
73
74}  // namespace internal
75}  // namespace ash
76
77#endif  // ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
78