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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 "ui/events/gesture_detection/motion_event_buffer.h" | 5 #include "ui/events/gesture_detection/motion_event_buffer.h" |
| 6 | 6 |
| 7 #include "base/debug/trace_event.h" | 7 #include "base/trace_event/trace_event.h" |
| 8 #include "ui/events/gesture_detection/motion_event_generic.h" | 8 #include "ui/events/gesture_detection/motion_event_generic.h" |
| 9 | 9 |
| 10 namespace ui { | 10 namespace ui { |
| 11 namespace { | 11 namespace { |
| 12 | 12 |
| 13 // Latency added during resampling. A few milliseconds doesn't hurt much but | 13 // Latency added during resampling. A few milliseconds doesn't hurt much but |
| 14 // reduces the impact of mispredicted touch positions. | 14 // reduces the impact of mispredicted touch positions. |
| 15 const int kResampleLatencyMs = 5; | 15 const int kResampleLatencyMs = 5; |
| 16 | 16 |
| 17 // Minimum time difference between consecutive samples before attempting to | 17 // Minimum time difference between consecutive samples before attempting to |
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| 332 | 332 |
| 333 void MotionEventBuffer::FlushWithoutResampling(MotionEventVector events) { | 333 void MotionEventBuffer::FlushWithoutResampling(MotionEventVector events) { |
| 334 last_extrapolated_event_time_ = base::TimeTicks(); | 334 last_extrapolated_event_time_ = base::TimeTicks(); |
| 335 if (events.empty()) | 335 if (events.empty()) |
| 336 return; | 336 return; |
| 337 | 337 |
| 338 client_->ForwardMotionEvent(*ConsumeSamples(events.Pass())); | 338 client_->ForwardMotionEvent(*ConsumeSamples(events.Pass())); |
| 339 } | 339 } |
| 340 | 340 |
| 341 } // namespace ui | 341 } // namespace ui |
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