| // 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 <windows.h> |
| |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "ui/gfx/display_change_notifier.h" |
| #include "ui/gfx/gfx_export.h" |
| #include "ui/gfx/native_widget_types.h" |
| #include "ui/gfx/screen.h" |
| #include "ui/gfx/win/singleton_hwnd_observer.h" |
| |
| namespace gfx { |
| |
| class Display; |
| class Point; |
| class Rect; |
| |
| namespace win { |
| |
| class DisplayInfo; |
| class ScreenWinDisplay; |
| |
| } // namespace win |
| |
| class GFX_EXPORT ScreenWin : public Screen { |
| public: |
| ScreenWin(); |
| ~ScreenWin() 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; |
| |
| protected: |
| // gfx::Screen: |
| gfx::Point GetCursorScreenPoint() override; |
| gfx::NativeWindow GetWindowUnderCursor() override; |
| gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override; |
| int GetNumDisplays() const override; |
| std::vector<gfx::Display> GetAllDisplays() const override; |
| gfx::Display GetDisplayNearestWindow(gfx::NativeView window) const override; |
| gfx::Display GetDisplayNearestPoint(const gfx::Point& point) const override; |
| gfx::Display GetDisplayMatching(const gfx::Rect& match_rect) const override; |
| gfx::Display GetPrimaryDisplay() const override; |
| void AddObserver(DisplayObserver* observer) override; |
| void RemoveObserver(DisplayObserver* observer) override; |
| |
| void UpdateFromDisplayInfos( |
| const std::vector<gfx::win::DisplayInfo>& display_infos); |
| |
| // Virtual to support mocking by unit tests. |
| virtual void Initialize(); |
| virtual MONITORINFOEX MonitorInfoFromScreenPoint( |
| const gfx::Point& screen_point) const; |
| virtual MONITORINFOEX MonitorInfoFromScreenRect(const gfx::Rect& screen_rect) |
| const; |
| virtual MONITORINFOEX MonitorInfoFromWindow(HWND hwnd, DWORD default_options) |
| const; |
| virtual HWND GetRootWindow(HWND hwnd) const; |
| |
| private: |
| void OnWndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam); |
| |
| // Returns the ScreenWinDisplay closest to or enclosing |hwnd|. |
| gfx::win::ScreenWinDisplay GetScreenWinDisplayNearestHWND(HWND hwnd) const; |
| |
| // Returns the ScreenWinDisplay closest to or enclosing |screen_rect|. |
| gfx::win::ScreenWinDisplay GetScreenWinDisplayNearestScreenRect( |
| const Rect& screen_rect) const; |
| |
| // Returns the ScreenWinDisplay closest to or enclosing |screen_point|. |
| gfx::win::ScreenWinDisplay GetScreenWinDisplayNearestScreenPoint( |
| const Point& screen_point) const; |
| |
| // Returns the ScreenWinDisplay corresponding to the primary monitor. |
| gfx::win::ScreenWinDisplay GetPrimaryScreenWinDisplay() const; |
| |
| gfx::win::ScreenWinDisplay GetScreenWinDisplay( |
| const MONITORINFOEX& monitor_info) const; |
| |
| // Helper implementing the DisplayObserver handling. |
| gfx::DisplayChangeNotifier change_notifier_; |
| |
| scoped_ptr<SingletonHwndObserver> singleton_hwnd_observer_; |
| |
| // Current list of ScreenWinDisplays. |
| std::vector<gfx::win::ScreenWinDisplay> screen_win_displays_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenWin); |
| }; |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_SCREEN_WIN_H_ |