| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_GFX_SCREEN_WIN_H_ |
| #define UI_GFX_SCREEN_WIN_H_ |
| |
| #include "base/compiler_specific.h" |
| #include "ui/gfx/display_change_notifier.h" |
| #include "ui/gfx/gfx_export.h" |
| #include "ui/gfx/screen.h" |
| #include "ui/gfx/win/singleton_hwnd.h" |
| |
| namespace gfx { |
| |
| class GFX_EXPORT ScreenWin : public Screen, |
| public SingletonHwnd::Observer { |
| public: |
| ScreenWin(); |
| virtual ~ScreenWin(); |
| |
| protected: |
| // Overridden from gfx::Screen: |
| virtual gfx::Point GetCursorScreenPoint() override; |
| virtual gfx::NativeWindow GetWindowUnderCursor() override; |
| virtual gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) |
| override; |
| virtual int GetNumDisplays() const override; |
| virtual std::vector<gfx::Display> GetAllDisplays() const override; |
| virtual gfx::Display GetDisplayNearestWindow( |
| gfx::NativeView window) const override; |
| virtual gfx::Display GetDisplayNearestPoint( |
| const gfx::Point& point) const override; |
| virtual gfx::Display GetDisplayMatching( |
| const gfx::Rect& match_rect) const override; |
| virtual gfx::Display GetPrimaryDisplay() const override; |
| virtual void AddObserver(DisplayObserver* observer) override; |
| virtual void RemoveObserver(DisplayObserver* observer) override; |
| |
| // Overriden from gfx::SingletonHwnd::Observer. |
| virtual void OnWndProc(HWND hwnd, |
| UINT message, |
| WPARAM wparam, |
| LPARAM lparam) override; |
| |
| // Returns the HWND associated with the NativeView. |
| virtual HWND GetHWNDFromNativeView(NativeView window) const; |
| |
| // Returns the NativeView associated with the HWND. |
| virtual NativeWindow GetNativeWindowFromHWND(HWND hwnd) const; |
| |
| private: |
| // Helper implementing the DisplayObserver handling. |
| gfx::DisplayChangeNotifier change_notifier_; |
| |
| // Current list of displays. |
| std::vector<gfx::Display> displays_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenWin); |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_SCREEN_WIN_H_ |