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;
35class CursorWindowDelegate;
36
37// An object that copies the content of the primary root window to a
38// mirror window. This also draws a mouse cursor as the mouse cursor
39// is typically drawn by the window system.
40class ASH_EXPORT MirrorWindowController : public aura::RootWindowObserver {
41 public:
42  MirrorWindowController();
43  virtual ~MirrorWindowController();
44
45  // Updates the root window's bounds using |display_info|.
46  // Creates the new root window if one doesn't exist.
47  void UpdateWindow(const DisplayInfo& display_info);
48
49  // Same as above, but using existing display info
50  // for the mirrored display.
51  void UpdateWindow();
52
53  // Close the mirror window.
54  void Close();
55
56  // Updates the mirrored cursor location,shape and
57  // visibility.
58  void UpdateCursorLocation();
59  void SetMirroredCursor(gfx::NativeCursor cursor);
60  void SetMirroredCursorVisibility(bool visible);
61
62  // aura::RootWindowObserver overrides:
63  virtual void OnRootWindowHostResized(const aura::RootWindow* root) OVERRIDE;
64
65 private:
66  friend class test::MirrorWindowTestApi;
67
68  // Creates a RootWindowTransformer for current display
69  // configuration.
70  scoped_ptr<aura::RootWindowTransformer> CreateRootWindowTransformer() const;
71
72  int current_cursor_type_;
73  gfx::Display::Rotation current_cursor_rotation_;
74  aura::Window* cursor_window_;  // owned by root window.
75  scoped_ptr<aura::RootWindow> root_window_;
76  scoped_ptr<CursorWindowDelegate> cursor_window_delegate_;
77  gfx::Point hot_point_;
78  gfx::Size mirror_window_host_size_;
79  scoped_refptr<ui::Reflector> reflector_;
80
81  DISALLOW_COPY_AND_ASSIGN(MirrorWindowController);
82};
83
84}  // namespace internal
85}  // namespace ash
86
87#endif  // ASH_DISPLAY_MIRROR_WINDOW_CONTROLLER_H_
88