content/browser/renderer_host/input/synthetic_tap_gesture.h

   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   ~SyntheticTapGesture() override;
  20
  21   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_