Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(167)

Side by Side Diff: ui/events/gesture_detection/velocity_tracker.cc

Issue 623293004: replace OVERRIDE and FINAL with override and final in ui/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: rebase on master Created 6 years, 2 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
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/velocity_tracker.h" 5 #include "ui/events/gesture_detection/velocity_tracker.h"
6 6
7 #include <cmath> 7 #include <cmath>
8 8
9 #include "base/logging.h" 9 #include "base/logging.h"
10 #include "ui/events/gesture_detection/motion_event.h" 10 #include "ui/events/gesture_detection/motion_event.h"
(...skipping 103 matching lines...) Expand 10 before | Expand all | Expand 10 after
114 }; 114 };
115 115
116 // Number of samples to keep. 116 // Number of samples to keep.
117 enum { HISTORY_SIZE = 20 }; 117 enum { HISTORY_SIZE = 20 };
118 118
119 // Degree must be no greater than Estimator::MAX_DEGREE. 119 // Degree must be no greater than Estimator::MAX_DEGREE.
120 LeastSquaresVelocityTrackerStrategy(uint32_t degree, 120 LeastSquaresVelocityTrackerStrategy(uint32_t degree,
121 Weighting weighting = WEIGHTING_NONE); 121 Weighting weighting = WEIGHTING_NONE);
122 virtual ~LeastSquaresVelocityTrackerStrategy(); 122 virtual ~LeastSquaresVelocityTrackerStrategy();
123 123
124 virtual void Clear() OVERRIDE; 124 virtual void Clear() override;
125 virtual void ClearPointers(BitSet32 id_bits) OVERRIDE; 125 virtual void ClearPointers(BitSet32 id_bits) override;
126 virtual void AddMovement(const TimeTicks& event_time, 126 virtual void AddMovement(const TimeTicks& event_time,
127 BitSet32 id_bits, 127 BitSet32 id_bits,
128 const Position* positions) OVERRIDE; 128 const Position* positions) override;
129 virtual bool GetEstimator(uint32_t id, 129 virtual bool GetEstimator(uint32_t id,
130 Estimator* out_estimator) const OVERRIDE; 130 Estimator* out_estimator) const override;
131 131
132 private: 132 private:
133 // Sample horizon. 133 // Sample horizon.
134 // We don't use too much history by default since we want to react to quick 134 // We don't use too much history by default since we want to react to quick
135 // changes in direction. 135 // changes in direction.
136 enum { HORIZON_MS = 100 }; 136 enum { HORIZON_MS = 100 };
137 137
138 struct Movement { 138 struct Movement {
139 TimeTicks event_time; 139 TimeTicks event_time;
140 BitSet32 id_bits; 140 BitSet32 id_bits;
(...skipping 12 matching lines...) Expand all
153 Movement movements_[HISTORY_SIZE]; 153 Movement movements_[HISTORY_SIZE];
154 }; 154 };
155 155
156 // Velocity tracker algorithm that uses an IIR filter. 156 // Velocity tracker algorithm that uses an IIR filter.
157 class IntegratingVelocityTrackerStrategy : public VelocityTrackerStrategy { 157 class IntegratingVelocityTrackerStrategy : public VelocityTrackerStrategy {
158 public: 158 public:
159 // Degree must be 1 or 2. 159 // Degree must be 1 or 2.
160 explicit IntegratingVelocityTrackerStrategy(uint32_t degree); 160 explicit IntegratingVelocityTrackerStrategy(uint32_t degree);
161 virtual ~IntegratingVelocityTrackerStrategy(); 161 virtual ~IntegratingVelocityTrackerStrategy();
162 162
163 virtual void Clear() OVERRIDE; 163 virtual void Clear() override;
164 virtual void ClearPointers(BitSet32 id_bits) OVERRIDE; 164 virtual void ClearPointers(BitSet32 id_bits) override;
165 virtual void AddMovement(const TimeTicks& event_time, 165 virtual void AddMovement(const TimeTicks& event_time,
166 BitSet32 id_bits, 166 BitSet32 id_bits,
167 const Position* positions) OVERRIDE; 167 const Position* positions) override;
168 virtual bool GetEstimator(uint32_t id, 168 virtual bool GetEstimator(uint32_t id,
169 Estimator* out_estimator) const OVERRIDE; 169 Estimator* out_estimator) const override;
170 170
171 private: 171 private:
172 // Current state estimate for a particular pointer. 172 // Current state estimate for a particular pointer.
173 struct State { 173 struct State {
174 TimeTicks update_time; 174 TimeTicks update_time;
175 uint32_t degree; 175 uint32_t degree;
176 176
177 float xpos, xvel, xaccel; 177 float xpos, xvel, xaccel;
178 float ypos, yvel, yaccel; 178 float ypos, yvel, yaccel;
179 }; 179 };
(...skipping 629 matching lines...) Expand 10 before | Expand all | Expand 10 after
809 out_estimator->degree = state.degree; 809 out_estimator->degree = state.degree;
810 out_estimator->xcoeff[0] = state.xpos; 810 out_estimator->xcoeff[0] = state.xpos;
811 out_estimator->xcoeff[1] = state.xvel; 811 out_estimator->xcoeff[1] = state.xvel;
812 out_estimator->xcoeff[2] = state.xaccel / 2; 812 out_estimator->xcoeff[2] = state.xaccel / 2;
813 out_estimator->ycoeff[0] = state.ypos; 813 out_estimator->ycoeff[0] = state.ypos;
814 out_estimator->ycoeff[1] = state.yvel; 814 out_estimator->ycoeff[1] = state.yvel;
815 out_estimator->ycoeff[2] = state.yaccel / 2; 815 out_estimator->ycoeff[2] = state.yaccel / 2;
816 } 816 }
817 817
818 } // namespace ui 818 } // namespace ui
OLDNEW
« no previous file with comments | « ui/events/gesture_detection/touch_disposition_gesture_filter_unittest.cc ('k') | ui/events/gestures/gesture_provider_aura.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698