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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 "content/browser/device_sensors/data_fetcher_shared_memory.h" | 5 #include "content/browser/device_sensors/data_fetcher_shared_memory.h" |
6 | 6 |
7 #include <stdint.h> | 7 #include <stdint.h> |
8 | 8 |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/metrics/histogram.h" | 10 #include "base/metrics/histogram.h" |
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187 sudden_motion_sensor_.get() != nullptr; | 187 sudden_motion_sensor_.get() != nullptr; |
188 | 188 |
189 orientation_buffer_ = | 189 orientation_buffer_ = |
190 static_cast<DeviceOrientationHardwareBuffer*>(buffer); | 190 static_cast<DeviceOrientationHardwareBuffer*>(buffer); |
191 UMA_HISTOGRAM_BOOLEAN("InertialSensor.OrientationMacAvailable", | 191 UMA_HISTOGRAM_BOOLEAN("InertialSensor.OrientationMacAvailable", |
192 sudden_motion_sensor_available); | 192 sudden_motion_sensor_available); |
193 if (sudden_motion_sensor_available) { | 193 if (sudden_motion_sensor_available) { |
194 // On Mac we cannot provide absolute orientation. | 194 // On Mac we cannot provide absolute orientation. |
195 orientation_buffer_->seqlock.WriteBegin(); | 195 orientation_buffer_->seqlock.WriteBegin(); |
196 orientation_buffer_->data.absolute = false; | 196 orientation_buffer_->data.absolute = false; |
197 orientation_buffer_->data.hasAbsolute = true; | |
philipj_slow
2016/02/26 03:54:01
This isn't the cause of the observable change on M
timvolodine
2016/03/01 22:36:25
right, the change is that it cannot be all-null an
| |
198 orientation_buffer_->seqlock.WriteEnd(); | 197 orientation_buffer_->seqlock.WriteEnd(); |
199 } else { | 198 } else { |
200 // No motion sensor available, fire an all-null event. | 199 // No motion sensor available, fire an all-null event. |
201 orientation_buffer_->seqlock.WriteBegin(); | 200 orientation_buffer_->seqlock.WriteBegin(); |
202 orientation_buffer_->data.allAvailableSensorsAreActive = true; | 201 orientation_buffer_->data.allAvailableSensorsAreActive = true; |
203 orientation_buffer_->seqlock.WriteEnd(); | 202 orientation_buffer_->seqlock.WriteEnd(); |
204 } | 203 } |
205 return sudden_motion_sensor_available; | 204 return sudden_motion_sensor_available; |
206 } | 205 } |
207 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: { | 206 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: { |
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259 light_buffer_ = nullptr; | 258 light_buffer_ = nullptr; |
260 } | 259 } |
261 return true; | 260 return true; |
262 default: | 261 default: |
263 NOTREACHED(); | 262 NOTREACHED(); |
264 } | 263 } |
265 return false; | 264 return false; |
266 } | 265 } |
267 | 266 |
268 } // namespace content | 267 } // namespace content |
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