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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_PINCH_GESTURE_H_ | |
6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_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/browser/renderer_host/input/synthetic_web_input_event_builders
.h" | |
11 #include "content/common/content_export.h" | |
12 #include "content/common/input/synthetic_pinch_gesture_params.h" | |
13 #include "third_party/WebKit/public/web/WebInputEvent.h" | |
14 | |
15 namespace content { | |
16 | |
17 class CONTENT_EXPORT SyntheticPinchGesture : public SyntheticGesture { | |
18 public: | |
19 explicit SyntheticPinchGesture(const SyntheticPinchGestureParams& params); | |
20 virtual ~SyntheticPinchGesture(); | |
21 | |
22 virtual SyntheticGesture::Result ForwardInputEvents( | |
23 const base::TimeDelta& interval, SyntheticGestureTarget* target) OVERRIDE; | |
24 | |
25 private: | |
26 SyntheticPinchGestureParams params_; | |
27 float current_y_0_; | |
28 float current_y_1_; | |
29 float target_y_0_; | |
30 float target_y_1_; | |
31 bool started_; | |
32 SyntheticWebTouchEvent touch_event_; | |
33 | |
34 SyntheticGesture::Result ForwardTouchInputEvents( | |
35 const base::TimeDelta& interval, SyntheticGestureTarget* target); | |
36 | |
37 void ForwardTouchEvent(SyntheticGestureTarget* target); | |
38 | |
39 float GetPositionDelta(const base::TimeDelta& interval); | |
40 | |
41 bool HasFinished(); | |
42 | |
43 DISALLOW_COPY_AND_ASSIGN(SyntheticPinchGesture); | |
44 }; | |
45 | |
46 } // namespace content | |
47 | |
48 #endif // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_PINCH_GESTURE_H_ | |
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