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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 "device/sensors/data_fetcher_shared_memory.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/metrics/histogram_macros.h" | 8 #include "base/metrics/histogram_macros.h" |
| 9 | 9 |
| 10 namespace { | 10 namespace { |
| 11 | 11 |
| 12 bool SetMotionBuffer(content::DeviceMotionHardwareBuffer* buffer, | 12 bool SetMotionBuffer(device::DeviceMotionHardwareBuffer* buffer, |
| 13 bool enabled) { | 13 bool enabled) { |
| 14 if (!buffer) | 14 if (!buffer) |
| 15 return false; | 15 return false; |
| 16 buffer->seqlock.WriteBegin(); | 16 buffer->seqlock.WriteBegin(); |
| 17 buffer->data.allAvailableSensorsAreActive = enabled; | 17 buffer->data.allAvailableSensorsAreActive = enabled; |
| 18 buffer->seqlock.WriteEnd(); | 18 buffer->seqlock.WriteEnd(); |
| 19 return true; | 19 return true; |
| 20 } | 20 } |
| 21 | 21 |
| 22 bool SetOrientationBuffer( | 22 bool SetOrientationBuffer( |
| 23 content::DeviceOrientationHardwareBuffer* buffer, bool enabled) { | 23 device::DeviceOrientationHardwareBuffer* buffer, bool enabled) { |
| 24 if (!buffer) | 24 if (!buffer) |
| 25 return false; | 25 return false; |
| 26 buffer->seqlock.WriteBegin(); | 26 buffer->seqlock.WriteBegin(); |
| 27 buffer->data.allAvailableSensorsAreActive = enabled; | 27 buffer->data.allAvailableSensorsAreActive = enabled; |
| 28 buffer->seqlock.WriteEnd(); | 28 buffer->seqlock.WriteEnd(); |
| 29 return true; | 29 return true; |
| 30 } | 30 } |
| 31 | 31 |
| 32 bool SetLightBuffer(content::DeviceLightHardwareBuffer* buffer, | 32 bool SetLightBuffer(device::DeviceLightHardwareBuffer* buffer, |
| 33 double lux) { | 33 double lux) { |
| 34 if (!buffer) | 34 if (!buffer) |
| 35 return false; | 35 return false; |
| 36 buffer->seqlock.WriteBegin(); | 36 buffer->seqlock.WriteBegin(); |
| 37 buffer->data.value = lux; | 37 buffer->data.value = lux; |
| 38 buffer->seqlock.WriteEnd(); | 38 buffer->seqlock.WriteEnd(); |
| 39 return true; | 39 return true; |
| 40 } | 40 } |
| 41 | 41 |
| 42 } // namespace | 42 } // namespace |
| 43 | 43 |
| 44 namespace content { | 44 namespace device { |
| 45 | 45 |
| 46 DataFetcherSharedMemory::DataFetcherSharedMemory() {} | 46 DataFetcherSharedMemory::DataFetcherSharedMemory() {} |
| 47 | 47 |
| 48 DataFetcherSharedMemory::~DataFetcherSharedMemory() { | 48 DataFetcherSharedMemory::~DataFetcherSharedMemory() { |
| 49 } | 49 } |
| 50 | 50 |
| 51 bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) { | 51 bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) { |
| 52 DCHECK(buffer); | 52 DCHECK(buffer); |
| 53 | 53 |
| 54 switch (consumer_type) { | 54 switch (consumer_type) { |
| (...skipping 30 matching lines...) Expand all Loading... |
| 85 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | 85 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: |
| 86 return SetOrientationBuffer(orientation_absolute_buffer_, false); | 86 return SetOrientationBuffer(orientation_absolute_buffer_, false); |
| 87 case CONSUMER_TYPE_LIGHT: | 87 case CONSUMER_TYPE_LIGHT: |
| 88 return SetLightBuffer(light_buffer_, -1); | 88 return SetLightBuffer(light_buffer_, -1); |
| 89 default: | 89 default: |
| 90 NOTREACHED(); | 90 NOTREACHED(); |
| 91 } | 91 } |
| 92 return false; | 92 return false; |
| 93 } | 93 } |
| 94 | 94 |
| 95 } // namespace content | 95 } // namespace device |
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