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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TAP_GESTURE_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TAP_GESTURE_H_
      7 
      8 #include "content/browser/renderer_host/input/synthetic_gesture.h"
      9 #include "content/browser/renderer_host/input/synthetic_gesture_target.h"
     10 #include "content/common/content_export.h"
     11 #include "content/common/input/synthetic_tap_gesture_params.h"
     12 #include "content/common/input/synthetic_web_input_event_builders.h"
     13 
     14 namespace content {
     15 
     16 class CONTENT_EXPORT SyntheticTapGesture : public SyntheticGesture {
     17  public:
     18   explicit SyntheticTapGesture(const SyntheticTapGestureParams& params);
     19   virtual ~SyntheticTapGesture();
     20 
     21   virtual SyntheticGesture::Result ForwardInputEvents(
     22       const base::TimeTicks& timestamp,
     23       SyntheticGestureTarget* target) OVERRIDE;
     24 
     25  private:
     26   enum GestureState {
     27     SETUP,
     28     PRESS,
     29     WAITING_TO_RELEASE,
     30     DONE
     31   };
     32 
     33   void ForwardTouchOrMouseInputEvents(const base::TimeTicks& timestamp,
     34                                       SyntheticGestureTarget* target);
     35 
     36   void Press(SyntheticGestureTarget* target, const base::TimeTicks& timestamp);
     37   void Release(SyntheticGestureTarget* target,
     38                const base::TimeTicks& timestamp);
     39 
     40   base::TimeDelta GetDuration() const;
     41 
     42   SyntheticTapGestureParams params_;
     43   base::TimeTicks start_time_;
     44   SyntheticWebTouchEvent touch_event_;
     45   SyntheticGestureParams::GestureSourceType gesture_source_type_;
     46   GestureState state_;
     47 
     48   DISALLOW_COPY_AND_ASSIGN(SyntheticTapGesture);
     49 };
     50 
     51 }  // namespace content
     52 
     53 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_TAP_GESTURE_H_
     54