| // 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_TOUCH_TOUCH_OBSERVER_UMA_H_ |
| #define ASH_TOUCH_TOUCH_OBSERVER_UMA_H_ |
| |
| #include "ash/ash_export.h" |
| #include "ash/metrics/gesture_action_type.h" |
| #include "base/macros.h" |
| #include "base/memory/singleton.h" |
| |
| namespace aura { |
| class Window; |
| } |
| |
| namespace ui { |
| class GestureEvent; |
| class TouchEvent; |
| } |
| |
| namespace ash { |
| |
| // Records some touch/gesture event specific details (e.g. what gestures are |
| // targeted to which components etc.) |
| class ASH_EXPORT TouchUMA { |
| public: |
| // Returns the singleton instance. |
| static TouchUMA* GetInstance(); |
| |
| void RecordGestureEvent(aura::Window* target, const ui::GestureEvent& event); |
| void RecordGestureAction(GestureActionType action); |
| void RecordTouchEvent(aura::Window* target, const ui::TouchEvent& event); |
| |
| private: |
| friend struct base::DefaultSingletonTraits<TouchUMA>; |
| |
| TouchUMA(); |
| ~TouchUMA(); |
| |
| GestureActionType FindGestureActionType(aura::Window* window, |
| const ui::GestureEvent& event); |
| |
| base::TimeTicks last_touch_down_time_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TouchUMA); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_TOUCH_TOUCH_OBSERVER_UMA_H_ |