| // 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 ASH_WM_SYSTEM_GESTURE_EVENT_FILTER_H_ |
| #define ASH_WM_SYSTEM_GESTURE_EVENT_FILTER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "ui/events/event_handler.h" |
| |
| namespace ash { |
| class OverviewGestureHandler; |
| |
| namespace test { |
| class SystemGestureEventFilterTest; |
| } |
| |
| // An event filter which handles system level gesture events. |
| class SystemGestureEventFilter : public ui::EventHandler { |
| public: |
| SystemGestureEventFilter(); |
| ~SystemGestureEventFilter() override; |
| |
| // Overridden from ui::EventHandler: |
| void OnMouseEvent(ui::MouseEvent* event) override; |
| void OnScrollEvent(ui::ScrollEvent* event) override; |
| void OnTouchEvent(ui::TouchEvent* event) override; |
| void OnGestureEvent(ui::GestureEvent* event) override; |
| |
| private: |
| friend class ash::test::SystemGestureEventFilterTest; |
| |
| std::unique_ptr<OverviewGestureHandler> overview_gesture_handler_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SystemGestureEventFilter); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_WM_SYSTEM_GESTURE_EVENT_FILTER_H_ |