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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "content/browser/renderer_host/input/synthetic_pinch_gesture.h" | 5 #include "content/browser/renderer_host/input/synthetic_pinch_gesture.h" |
| 6 | 6 |
| 7 #include <cmath> | 7 #include <cmath> |
| 8 | 8 |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "content/common/input/input_event.h" | |
| 11 #include "ui/events/latency_info.h" | 10 #include "ui/events/latency_info.h" |
| 12 | 11 |
| 13 namespace content { | 12 namespace content { |
| 14 | 13 |
| 15 SyntheticPinchGesture::SyntheticPinchGesture( | 14 SyntheticPinchGesture::SyntheticPinchGesture( |
| 16 const SyntheticPinchGestureParams& params) | 15 const SyntheticPinchGestureParams& params) |
| 17 : params_(params), | 16 : params_(params), |
| 18 start_y_0_(0.0f), | 17 start_y_0_(0.0f), |
| 19 start_y_1_(0.0f), | 18 start_y_1_(0.0f), |
| 20 gesture_source_type_(SyntheticGestureParams::DEFAULT_INPUT), | 19 gesture_source_type_(SyntheticGestureParams::DEFAULT_INPUT), |
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| 104 void SyntheticPinchGesture::ReleaseTouchPoints( | 103 void SyntheticPinchGesture::ReleaseTouchPoints( |
| 105 SyntheticGestureTarget* target, const base::TimeTicks& timestamp) { | 104 SyntheticGestureTarget* target, const base::TimeTicks& timestamp) { |
| 106 touch_event_.ReleasePoint(0); | 105 touch_event_.ReleasePoint(0); |
| 107 touch_event_.ReleasePoint(1); | 106 touch_event_.ReleasePoint(1); |
| 108 ForwardTouchEvent(target, timestamp); | 107 ForwardTouchEvent(target, timestamp); |
| 109 } | 108 } |
| 110 | 109 |
| 111 void SyntheticPinchGesture::ForwardTouchEvent( | 110 void SyntheticPinchGesture::ForwardTouchEvent( |
| 112 SyntheticGestureTarget* target, const base::TimeTicks& timestamp) { | 111 SyntheticGestureTarget* target, const base::TimeTicks& timestamp) { |
| 113 touch_event_.timeStampSeconds = ConvertTimestampToSeconds(timestamp); | 112 touch_event_.timeStampSeconds = ConvertTimestampToSeconds(timestamp); |
| 114 target->DispatchInputEventToPlatform( | 113 target->DispatchInputEventToPlatform(touch_event_); |
| 115 InputEvent(touch_event_, ui::LatencyInfo(), false)); | |
| 116 } | 114 } |
| 117 | 115 |
| 118 void SyntheticPinchGesture::SetupCoordinatesAndStopTime( | 116 void SyntheticPinchGesture::SetupCoordinatesAndStopTime( |
| 119 SyntheticGestureTarget* target) { | 117 SyntheticGestureTarget* target) { |
| 120 const int kTouchSlopInDips = target->GetTouchSlopInDips(); | 118 const int kTouchSlopInDips = target->GetTouchSlopInDips(); |
| 121 params_.total_num_pixels_covered += 2 * kTouchSlopInDips; | 119 params_.total_num_pixels_covered += 2 * kTouchSlopInDips; |
| 122 float inner_distance_to_anchor = 2 * kTouchSlopInDips; | 120 float inner_distance_to_anchor = 2 * kTouchSlopInDips; |
| 123 float outer_distance_to_anchor = | 121 float outer_distance_to_anchor = |
| 124 inner_distance_to_anchor + params_.total_num_pixels_covered / 2.0f; | 122 inner_distance_to_anchor + params_.total_num_pixels_covered / 2.0f; |
| 125 | 123 |
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| 161 const base::TimeTicks& timestamp) const { | 159 const base::TimeTicks& timestamp) const { |
| 162 return std::min(timestamp, stop_time_); | 160 return std::min(timestamp, stop_time_); |
| 163 } | 161 } |
| 164 | 162 |
| 165 bool SyntheticPinchGesture::HasReachedTarget(const base::TimeTicks& timestamp) | 163 bool SyntheticPinchGesture::HasReachedTarget(const base::TimeTicks& timestamp) |
| 166 const { | 164 const { |
| 167 return timestamp >= stop_time_; | 165 return timestamp >= stop_time_; |
| 168 } | 166 } |
| 169 | 167 |
| 170 } // namespace content | 168 } // namespace content |
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