| // Copyright 2016 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_DISPLAY_SCREEN_BASE_H_ |
| #define UI_DISPLAY_SCREEN_BASE_H_ |
| |
| #include <vector> |
| |
| #include "ui/display/display.h" |
| #include "ui/display/display_export.h" |
| #include "ui/display/display_list.h" |
| #include "ui/display/screen.h" |
| |
| namespace display { |
| |
| // Simple screen implementation with a display list. |
| class DISPLAY_EXPORT ScreenBase : public Screen { |
| public: |
| ScreenBase(); |
| ~ScreenBase() override; |
| |
| DisplayList& display_list() { return display_list_; }; |
| const DisplayList& display_list() const { return display_list_; }; |
| |
| // Screen: |
| gfx::Point GetCursorScreenPoint() override; |
| bool IsWindowUnderCursor(gfx::NativeWindow window) override; |
| gfx::NativeWindow GetWindowAtScreenPoint(const gfx::Point& point) override; |
| Display GetPrimaryDisplay() const override; |
| Display GetDisplayNearestWindow(gfx::NativeWindow window) const override; |
| Display GetDisplayNearestPoint(const gfx::Point& point) const override; |
| int GetNumDisplays() const override; |
| const std::vector<Display>& GetAllDisplays() const override; |
| Display GetDisplayMatching(const gfx::Rect& match_rect) const override; |
| void AddObserver(DisplayObserver* observer) override; |
| void RemoveObserver(DisplayObserver* observer) override; |
| |
| protected: |
| // Invoked when a display changed in some way, including being added. |
| // If |is_primary| is true, |changed_display| is the primary display. |
| void ProcessDisplayChanged(const Display& changed_display, bool is_primary); |
| |
| private: |
| DisplayList display_list_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenBase); |
| }; |
| |
| } // namespace display |
| |
| #endif // UI_DISPLAY_SCREEN_BASE_H_ |