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Side by Side Diff: device/sensors/data_fetcher_shared_memory_mac.cc

Issue 2646093002: Move //content/browser/device_sensor/ into device/sensors (Closed)
Patch Set: gn format & code rebase Created 3 years, 10 months ago
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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 <stdint.h> 7 #include <stdint.h>
8 8
9 #include "base/logging.h" 9 #include "base/logging.h"
10 #include "base/metrics/histogram_macros.h" 10 #include "base/metrics/histogram_macros.h"
11 #include "base/single_thread_task_runner.h" 11 #include "base/single_thread_task_runner.h"
12 #include "content/browser/device_sensors/ambient_light_mac.h" 12 #include "device/sensors/ambient_light_mac.h"
13 #include "device/sensors/public/cpp/device_util_mac.h" 13 #include "device/sensors/public/cpp/device_util_mac.h"
14 #include "third_party/sudden_motion_sensor/sudden_motion_sensor_mac.h" 14 #include "third_party/sudden_motion_sensor/sudden_motion_sensor_mac.h"
15 15
16 namespace { 16 namespace device {
17 17
18 const double kMeanGravity = 9.80665; 18 const double kMeanGravity = 9.80665;
19 19
20 void FetchLight(content::AmbientLightSensor* sensor, 20 void FetchLight(AmbientLightSensor* sensor, DeviceLightHardwareBuffer* buffer) {
21 content::DeviceLightHardwareBuffer* buffer) {
22 DCHECK(sensor); 21 DCHECK(sensor);
23 DCHECK(buffer); 22 DCHECK(buffer);
24 // Macbook pro has 2 lux values, left and right, we take the average. 23 // Macbook pro has 2 lux values, left and right, we take the average.
25 // The raw sensor values are converted to lux using LMUvalueToLux(raw_value) 24 // The raw sensor values are converted to lux using LMUvalueToLux(raw_value)
26 // similar to how it is done in Firefox. 25 // similar to how it is done in Firefox.
27 uint64_t lux_value[2]; 26 uint64_t lux_value[2];
28 if (!sensor->ReadSensorValue(lux_value)) 27 if (!sensor->ReadSensorValue(lux_value))
29 return; 28 return;
30 uint64_t mean = (lux_value[0] + lux_value[1]) / 2; 29 uint64_t mean = (lux_value[0] + lux_value[1]) / 2;
31 double lux = device::LMUvalueToLux(mean); 30 double lux = LMUvalueToLux(mean);
32 buffer->seqlock.WriteBegin(); 31 buffer->seqlock.WriteBegin();
33 buffer->data.value = lux; 32 buffer->data.value = lux;
34 buffer->seqlock.WriteEnd(); 33 buffer->seqlock.WriteEnd();
35 } 34 }
36 35
37 void FetchMotion(SuddenMotionSensor* sensor, 36 void FetchMotion(SuddenMotionSensor* sensor,
38 content::DeviceMotionHardwareBuffer* buffer) { 37 DeviceMotionHardwareBuffer* buffer) {
39 DCHECK(sensor); 38 DCHECK(sensor);
40 DCHECK(buffer); 39 DCHECK(buffer);
41 40
42 float axis_value[3]; 41 float axis_value[3];
43 if (!sensor->ReadSensorValues(axis_value)) 42 if (!sensor->ReadSensorValues(axis_value))
44 return; 43 return;
45 44
46 buffer->seqlock.WriteBegin(); 45 buffer->seqlock.WriteBegin();
47 buffer->data.accelerationIncludingGravityX = axis_value[0] * kMeanGravity; 46 buffer->data.accelerationIncludingGravityX = axis_value[0] * kMeanGravity;
48 buffer->data.hasAccelerationIncludingGravityX = true; 47 buffer->data.hasAccelerationIncludingGravityX = true;
49 buffer->data.accelerationIncludingGravityY = axis_value[1] * kMeanGravity; 48 buffer->data.accelerationIncludingGravityY = axis_value[1] * kMeanGravity;
50 buffer->data.hasAccelerationIncludingGravityY = true; 49 buffer->data.hasAccelerationIncludingGravityY = true;
51 buffer->data.accelerationIncludingGravityZ = axis_value[2] * kMeanGravity; 50 buffer->data.accelerationIncludingGravityZ = axis_value[2] * kMeanGravity;
52 buffer->data.hasAccelerationIncludingGravityZ = true; 51 buffer->data.hasAccelerationIncludingGravityZ = true;
53 buffer->data.allAvailableSensorsAreActive = true; 52 buffer->data.allAvailableSensorsAreActive = true;
54 buffer->seqlock.WriteEnd(); 53 buffer->seqlock.WriteEnd();
55 } 54 }
56 55
57 void FetchOrientation(SuddenMotionSensor* sensor, 56 void FetchOrientation(SuddenMotionSensor* sensor,
58 content::DeviceOrientationHardwareBuffer* buffer) { 57 DeviceOrientationHardwareBuffer* buffer) {
59 DCHECK(sensor); 58 DCHECK(sensor);
60 DCHECK(buffer); 59 DCHECK(buffer);
61 60
62 // Retrieve per-axis calibrated values. 61 // Retrieve per-axis calibrated values.
63 float axis_value[3]; 62 float axis_value[3];
64 if (!sensor->ReadSensorValues(axis_value)) 63 if (!sensor->ReadSensorValues(axis_value))
65 return; 64 return;
66 65
67 // Transform the accelerometer values to W3C draft angles. 66 // Transform the accelerometer values to W3C draft angles.
68 // 67 //
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after
104 103
105 buffer->seqlock.WriteBegin(); 104 buffer->seqlock.WriteBegin();
106 buffer->data.beta = beta; 105 buffer->data.beta = beta;
107 buffer->data.hasBeta = true; 106 buffer->data.hasBeta = true;
108 buffer->data.gamma = gamma; 107 buffer->data.gamma = gamma;
109 buffer->data.hasGamma = true; 108 buffer->data.hasGamma = true;
110 buffer->data.allAvailableSensorsAreActive = true; 109 buffer->data.allAvailableSensorsAreActive = true;
111 buffer->seqlock.WriteEnd(); 110 buffer->seqlock.WriteEnd();
112 } 111 }
113 112
114 } // namespace
115
116 namespace content {
117
118 DataFetcherSharedMemory::DataFetcherSharedMemory() { 113 DataFetcherSharedMemory::DataFetcherSharedMemory() {
119 } 114 }
120 115
121 DataFetcherSharedMemory::~DataFetcherSharedMemory() { 116 DataFetcherSharedMemory::~DataFetcherSharedMemory() {
122 } 117 }
123 118
124 void DataFetcherSharedMemory::Fetch(unsigned consumer_bitmask) { 119 void DataFetcherSharedMemory::Fetch(unsigned consumer_bitmask) {
125 DCHECK(GetPollingMessageLoop()->task_runner()->BelongsToCurrentThread()); 120 DCHECK(GetPollingMessageLoop()->task_runner()->BelongsToCurrentThread());
126 DCHECK(consumer_bitmask & CONSUMER_TYPE_ORIENTATION || 121 DCHECK(consumer_bitmask & CONSUMER_TYPE_ORIENTATION ||
127 consumer_bitmask & CONSUMER_TYPE_MOTION || 122 consumer_bitmask & CONSUMER_TYPE_MOTION ||
(...skipping 122 matching lines...) Expand 10 before | Expand all | Expand 10 after
250 light_buffer_->seqlock.WriteEnd(); 245 light_buffer_->seqlock.WriteEnd();
251 light_buffer_ = nullptr; 246 light_buffer_ = nullptr;
252 } 247 }
253 return true; 248 return true;
254 default: 249 default:
255 NOTREACHED(); 250 NOTREACHED();
256 } 251 }
257 return false; 252 return false;
258 } 253 }
259 254
260 } // namespace content 255 } // namespace device
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