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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 bool IsDIPEnabled() override; | |
25 virtual gfx::Point GetCursorScreenPoint() override; | |
26 virtual gfx::NativeWindow GetWindowUnderCursor() override; | |
27 virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) | |
28 override; | |
29 virtual int GetNumDisplays() const override; | |
30 virtual std::vector<gfx::Display> GetAllDisplays() const override; | |
31 virtual gfx::Display GetDisplayNearestWindow( | |
32 gfx::NativeView window) const override; | |
33 virtual gfx::Display GetDisplayNearestPoint( | |
34 const gfx::Point& point) const override; | |
35 virtual gfx::Display GetDisplayMatching( | |
36 const gfx::Rect& match_rect) const override; | |
37 virtual gfx::Display GetPrimaryDisplay() const override; | |
38 virtual void AddObserver(DisplayObserver* observer) override; | |
39 virtual void RemoveObserver(DisplayObserver* observer) override; | |
40 | |
41 // Overriden from gfx::SingletonHwnd::Observer. | |
42 virtual void OnWndProc(HWND hwnd, | |
43 UINT message, | |
44 WPARAM wparam, | |
45 LPARAM lparam) override; | |
46 | |
47 // Returns the HWND associated with the NativeView. | |
48 virtual HWND GetHWNDFromNativeView(NativeView window) const; | |
49 | |
50 // Returns the NativeView associated with the HWND. | |
51 virtual NativeWindow GetNativeWindowFromHWND(HWND hwnd) const; | |
52 | |
53 private: | |
54 // Helper implementing the DisplayObserver handling. | |
55 gfx::DisplayChangeNotifier change_notifier_; | |
56 | |
57 // Current list of displays. | |
58 std::vector<gfx::Display> displays_; | |
59 | |
60 DISALLOW_COPY_AND_ASSIGN(ScreenWin); | |
61 }; | |
62 | |
63 } // namespace gfx | |
64 | |
65 #endif // UI_GFX_SCREEN_WIN_H_ | |
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