Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / ui / gfx / screen_win.h
1 // Copyright (c) 2012 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 UI_GFX_SCREEN_WIN_H_
6 #define UI_GFX_SCREEN_WIN_H_
7
8 #include "base/compiler_specific.h"
9 #include "ui/gfx/display_change_notifier.h"
10 #include "ui/gfx/gfx_export.h"
11 #include "ui/gfx/screen.h"
12 #include "ui/gfx/win/singleton_hwnd.h"
13
14 namespace gfx {
15
16 class GFX_EXPORT ScreenWin : public Screen,
17                              public SingletonHwnd::Observer {
18  public:
19   ScreenWin();
20   virtual ~ScreenWin();
21
22  protected:
23   // Overridden from gfx::Screen:
24   virtual gfx::Point GetCursorScreenPoint() override;
25   virtual gfx::NativeWindow GetWindowUnderCursor() override;
26   virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point)
27       override;
28   virtual int GetNumDisplays() const override;
29   virtual std::vector<gfx::Display> GetAllDisplays() const override;
30   virtual gfx::Display GetDisplayNearestWindow(
31       gfx::NativeView window) const override;
32   virtual gfx::Display GetDisplayNearestPoint(
33       const gfx::Point& point) const override;
34   virtual gfx::Display GetDisplayMatching(
35       const gfx::Rect& match_rect) const override;
36   virtual gfx::Display GetPrimaryDisplay() const override;
37   virtual void AddObserver(DisplayObserver* observer) override;
38   virtual void RemoveObserver(DisplayObserver* observer) override;
39
40   // Overriden from gfx::SingletonHwnd::Observer.
41   virtual void OnWndProc(HWND hwnd,
42                          UINT message,
43                          WPARAM wparam,
44                          LPARAM lparam) override;
45
46   // Returns the HWND associated with the NativeView.
47   virtual HWND GetHWNDFromNativeView(NativeView window) const;
48
49   // Returns the NativeView associated with the HWND.
50   virtual NativeWindow GetNativeWindowFromHWND(HWND hwnd) const;
51
52  private:
53   // Helper implementing the DisplayObserver handling.
54   gfx::DisplayChangeNotifier change_notifier_;
55
56   // Current list of displays.
57   std::vector<gfx::Display> displays_;
58
59   DISALLOW_COPY_AND_ASSIGN(ScreenWin);
60 };
61
62 }  // namespace gfx
63
64 #endif  // UI_GFX_SCREEN_WIN_H_