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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "data_fetcher_shared_memory.h" | |
| 6 | |
| 7 #include <GuidDef.h> | |
| 8 #include <InitGuid.h> | |
| 9 #include <PortableDeviceTypes.h> | |
| 10 #include <Sensors.h> | |
| 11 | |
| 12 #include "base/logging.h" | |
| 13 #include "base/metrics/histogram.h" | |
| 14 #include "base/win/iunknown_impl.h" | |
| 15 #include "base/win/windows_version.h" | |
| 16 | |
| 17 namespace { | |
| 18 | |
| 19 const double kMeanGravity = 9.80665; | |
| 20 | |
| 21 } // namespace | |
| 22 | |
| 23 | |
| 24 namespace content { | |
| 25 | |
| 26 class DataFetcherSharedMemory::SensorEventSink | |
| 27 : public ISensorEvents, public base::win::IUnknownImpl { | |
| 28 public: | |
| 29 SensorEventSink() {} | |
| 30 virtual ~SensorEventSink() {} | |
| 31 | |
| 32 // IUnknown interface | |
| 33 virtual ULONG STDMETHODCALLTYPE AddRef() OVERRIDE { | |
| 34 return IUnknownImpl::AddRef(); | |
| 35 } | |
| 36 | |
| 37 virtual ULONG STDMETHODCALLTYPE Release() OVERRIDE { | |
| 38 return IUnknownImpl::Release(); | |
| 39 } | |
| 40 | |
| 41 virtual STDMETHODIMP QueryInterface(REFIID riid, void** ppv) OVERRIDE { | |
| 42 if (riid == __uuidof(ISensorEvents)) { | |
| 43 *ppv = static_cast<ISensorEvents*>(this); | |
| 44 AddRef(); | |
| 45 return S_OK; | |
| 46 } | |
| 47 return IUnknownImpl::QueryInterface(riid, ppv); | |
| 48 } | |
| 49 | |
| 50 // ISensorEvents interface | |
| 51 STDMETHODIMP OnEvent(ISensor* sensor, | |
| 52 REFGUID event_id, | |
| 53 IPortableDeviceValues* event_data) OVERRIDE { | |
| 54 return S_OK; | |
| 55 } | |
| 56 | |
| 57 STDMETHODIMP OnLeave(REFSENSOR_ID sensor_id) OVERRIDE { | |
| 58 return S_OK; | |
| 59 } | |
| 60 | |
| 61 STDMETHODIMP OnStateChanged(ISensor* sensor, SensorState state) OVERRIDE { | |
| 62 return S_OK; | |
| 63 } | |
| 64 | |
| 65 STDMETHODIMP OnDataUpdated(ISensor* sensor, | |
| 66 ISensorDataReport* new_data) OVERRIDE { | |
| 67 if (NULL == new_data || NULL == sensor) | |
| 68 return E_INVALIDARG; | |
| 69 return UpdateSharedMemoryBuffer(sensor, new_data) ? S_OK : E_FAIL; | |
| 70 } | |
| 71 | |
| 72 protected: | |
| 73 virtual bool UpdateSharedMemoryBuffer( | |
| 74 ISensor* sensor, ISensorDataReport* new_data) = 0; | |
| 75 | |
| 76 void GetSensorValue(REFPROPERTYKEY property, ISensorDataReport* new_data, | |
| 77 double* value, bool* has_value) { | |
| 78 PROPVARIANT variant_value = {}; | |
| 79 if (SUCCEEDED(new_data->GetSensorValue(property, &variant_value))) { | |
| 80 if (variant_value.vt == VT_R8) | |
| 81 *value = variant_value.dblVal; | |
| 82 else if (variant_value.vt == VT_R4) | |
| 83 *value = variant_value.fltVal; | |
| 84 *has_value = true; | |
| 85 } else { | |
| 86 *value = 0; | |
| 87 *has_value = false; | |
| 88 } | |
| 89 } | |
| 90 | |
| 91 private: | |
| 92 | |
| 93 DISALLOW_COPY_AND_ASSIGN(SensorEventSink); | |
| 94 }; | |
| 95 | |
| 96 class DataFetcherSharedMemory::SensorEventSinkOrientation | |
| 97 : public DataFetcherSharedMemory::SensorEventSink { | |
| 98 public: | |
| 99 explicit SensorEventSinkOrientation( | |
| 100 DeviceOrientationHardwareBuffer* const buffer) : buffer_(buffer) {} | |
| 101 virtual ~SensorEventSinkOrientation() {} | |
| 102 | |
| 103 protected: | |
| 104 virtual bool UpdateSharedMemoryBuffer( | |
| 105 ISensor* sensor, ISensorDataReport* new_data) OVERRIDE { | |
| 106 double alpha, beta, gamma; | |
| 107 bool has_alpha, has_beta, has_gamma; | |
| 108 | |
| 109 GetSensorValue(SENSOR_DATA_TYPE_TILT_X_DEGREES, new_data, &alpha, | |
| 110 &has_alpha); | |
| 111 GetSensorValue(SENSOR_DATA_TYPE_TILT_Y_DEGREES, new_data, &beta, | |
| 112 &has_beta); | |
| 113 GetSensorValue(SENSOR_DATA_TYPE_TILT_Z_DEGREES, new_data, &gamma, | |
| 114 &has_gamma); | |
| 115 | |
| 116 if (buffer_) { | |
| 117 buffer_->seqlock.WriteBegin(); | |
| 118 buffer_->data.alpha = alpha; | |
| 119 buffer_->data.hasAlpha = has_alpha; | |
| 120 buffer_->data.beta = beta; | |
| 121 buffer_->data.hasBeta = has_beta; | |
| 122 buffer_->data.gamma = gamma; | |
| 123 buffer_->data.hasGamma = has_gamma; | |
| 124 buffer_->data.absolute = true; | |
| 125 buffer_->data.hasAbsolute = has_alpha || has_beta || has_gamma; | |
| 126 buffer_->data.allAvailableSensorsAreActive = true; | |
| 127 buffer_->seqlock.WriteEnd(); | |
| 128 } | |
| 129 | |
| 130 return true; | |
| 131 } | |
| 132 | |
| 133 private: | |
| 134 DeviceOrientationHardwareBuffer* const buffer_; | |
| 135 | |
| 136 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkOrientation); | |
| 137 }; | |
| 138 | |
| 139 class DataFetcherSharedMemory::SensorEventSinkMotion | |
| 140 : public DataFetcherSharedMemory::SensorEventSink { | |
| 141 public: | |
| 142 explicit SensorEventSinkMotion(DeviceMotionHardwareBuffer* const buffer) | |
| 143 : buffer_(buffer) {} | |
| 144 virtual ~SensorEventSinkMotion() {} | |
| 145 | |
| 146 protected: | |
| 147 virtual bool UpdateSharedMemoryBuffer( | |
| 148 ISensor* sensor, ISensorDataReport* new_data) OVERRIDE { | |
| 149 | |
| 150 SENSOR_TYPE_ID sensor_type = GUID_NULL; | |
| 151 if (!SUCCEEDED(sensor->GetType(&sensor_type))) | |
| 152 return false; | |
| 153 | |
| 154 if (IsEqualIID(sensor_type, SENSOR_TYPE_ACCELEROMETER_3D)) { | |
| 155 double acceleration_including_gravity_x; | |
| 156 double acceleration_including_gravity_y; | |
| 157 double acceleration_including_gravity_z; | |
| 158 bool has_acceleration_including_gravity_x; | |
| 159 bool has_acceleration_including_gravity_y; | |
| 160 bool has_acceleration_including_gravity_z; | |
| 161 | |
| 162 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_X_G, new_data, | |
| 163 &acceleration_including_gravity_x, | |
| 164 &has_acceleration_including_gravity_x); | |
| 165 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Y_G, new_data, | |
| 166 &acceleration_including_gravity_y, | |
| 167 &has_acceleration_including_gravity_y); | |
| 168 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Z_G, new_data, | |
| 169 &acceleration_including_gravity_z, | |
| 170 &has_acceleration_including_gravity_z); | |
| 171 | |
| 172 if (buffer_) { | |
| 173 buffer_->seqlock.WriteBegin(); | |
| 174 buffer_->data.accelerationIncludingGravityX = | |
| 175 -acceleration_including_gravity_x * kMeanGravity; | |
| 176 buffer_->data.hasAccelerationIncludingGravityX = | |
| 177 has_acceleration_including_gravity_x; | |
| 178 buffer_->data.accelerationIncludingGravityY = | |
| 179 -acceleration_including_gravity_y * kMeanGravity; | |
| 180 buffer_->data.hasAccelerationIncludingGravityY = | |
| 181 has_acceleration_including_gravity_y; | |
| 182 buffer_->data.accelerationIncludingGravityZ = | |
| 183 -acceleration_including_gravity_z * kMeanGravity; | |
| 184 buffer_->data.hasAccelerationIncludingGravityZ = | |
| 185 has_acceleration_including_gravity_z; | |
| 186 // TODO(timvolodine): consider setting this after all | |
| 187 // sensors have fired. | |
| 188 buffer_->data.allAvailableSensorsAreActive = true; | |
| 189 buffer_->seqlock.WriteEnd(); | |
| 190 } | |
| 191 | |
| 192 } else if (IsEqualIID(sensor_type, SENSOR_TYPE_GYROMETER_3D)) { | |
| 193 double alpha, beta, gamma; | |
| 194 bool has_alpha, has_beta, has_gamma; | |
| 195 | |
| 196 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND, | |
| 197 new_data, &alpha, &has_alpha); | |
| 198 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Y_DEGREES_PER_SECOND, | |
| 199 new_data, &beta, &has_beta); | |
| 200 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Z_DEGREES_PER_SECOND, | |
| 201 new_data, &gamma, &has_gamma); | |
| 202 | |
| 203 if (buffer_) { | |
| 204 buffer_->seqlock.WriteBegin(); | |
| 205 buffer_->data.rotationRateAlpha = alpha; | |
| 206 buffer_->data.hasRotationRateAlpha = has_alpha; | |
| 207 buffer_->data.rotationRateBeta = beta; | |
| 208 buffer_->data.hasRotationRateBeta = has_beta; | |
| 209 buffer_->data.rotationRateGamma = gamma; | |
| 210 buffer_->data.hasRotationRateGamma = has_gamma; | |
| 211 buffer_->data.allAvailableSensorsAreActive = true; | |
| 212 buffer_->seqlock.WriteEnd(); | |
| 213 } | |
| 214 } | |
| 215 | |
| 216 return true; | |
| 217 } | |
| 218 | |
| 219 private: | |
| 220 DeviceMotionHardwareBuffer* const buffer_; | |
| 221 | |
| 222 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkMotion); | |
| 223 }; | |
| 224 | |
| 225 | |
| 226 DataFetcherSharedMemory::DataFetcherSharedMemory() | |
| 227 : motion_buffer_(NULL), | |
| 228 orientation_buffer_(NULL) { | |
| 229 } | |
| 230 | |
| 231 DataFetcherSharedMemory::~DataFetcherSharedMemory() { | |
| 232 } | |
| 233 | |
| 234 DataFetcherSharedMemory::FetcherType DataFetcherSharedMemory::GetType() const { | |
| 235 return FETCHER_TYPE_SEPARATE_THREAD; | |
| 236 } | |
| 237 | |
| 238 bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) { | |
| 239 DCHECK(buffer); | |
| 240 | |
| 241 switch (consumer_type) { | |
| 242 case CONSUMER_TYPE_ORIENTATION: | |
| 243 { | |
| 244 orientation_buffer_ = | |
| 245 static_cast<DeviceOrientationHardwareBuffer*>(buffer); | |
| 246 scoped_refptr<SensorEventSink> sink( | |
| 247 new SensorEventSinkOrientation(orientation_buffer_)); | |
| 248 bool inclinometer_available = RegisterForSensor( | |
| 249 SENSOR_TYPE_INCLINOMETER_3D, sensor_inclinometer_.Receive(), sink); | |
| 250 UMA_HISTOGRAM_BOOLEAN("InertialSensor.InclinometerWindowsAvailable", | |
| 251 inclinometer_available); | |
| 252 if (inclinometer_available) | |
| 253 return true; | |
| 254 // if no sensors are available set buffer to ready, to fire null-events. | |
| 255 SetBufferAvailableState(consumer_type, true); | |
| 256 } | |
| 257 break; | |
| 258 case CONSUMER_TYPE_MOTION: | |
| 259 { | |
| 260 motion_buffer_ = static_cast<DeviceMotionHardwareBuffer*>(buffer); | |
| 261 scoped_refptr<SensorEventSink> sink( | |
| 262 new SensorEventSinkMotion(motion_buffer_)); | |
| 263 bool accelerometer_available = RegisterForSensor( | |
| 264 SENSOR_TYPE_ACCELEROMETER_3D, sensor_accelerometer_.Receive(), | |
| 265 sink); | |
| 266 bool gyrometer_available = RegisterForSensor( | |
| 267 SENSOR_TYPE_GYROMETER_3D, sensor_gyrometer_.Receive(), sink); | |
| 268 UMA_HISTOGRAM_BOOLEAN("InertialSensor.AccelerometerWindowsAvailable", | |
| 269 accelerometer_available); | |
| 270 UMA_HISTOGRAM_BOOLEAN("InertialSensor.GyrometerWindowsAvailable", | |
| 271 gyrometer_available); | |
| 272 if (accelerometer_available || gyrometer_available) { | |
| 273 motion_buffer_->seqlock.WriteBegin(); | |
| 274 motion_buffer_->data.interval = GetInterval().InMilliseconds(); | |
| 275 motion_buffer_->seqlock.WriteEnd(); | |
| 276 return true; | |
| 277 } | |
| 278 // if no sensors are available set buffer to ready, to fire null-events. | |
| 279 SetBufferAvailableState(consumer_type, true); | |
| 280 } | |
| 281 break; | |
| 282 default: | |
| 283 NOTREACHED(); | |
| 284 } | |
| 285 return false; | |
| 286 } | |
| 287 | |
| 288 bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) { | |
| 289 DisableSensors(consumer_type); | |
| 290 SetBufferAvailableState(consumer_type, false); | |
| 291 switch (consumer_type) { | |
| 292 case CONSUMER_TYPE_ORIENTATION: | |
| 293 orientation_buffer_ = NULL; | |
| 294 return true; | |
| 295 case CONSUMER_TYPE_MOTION: | |
| 296 motion_buffer_ = NULL; | |
| 297 return true; | |
| 298 default: | |
| 299 NOTREACHED(); | |
| 300 } | |
| 301 return false; | |
| 302 } | |
| 303 | |
| 304 bool DataFetcherSharedMemory::RegisterForSensor( | |
| 305 REFSENSOR_TYPE_ID sensor_type, | |
| 306 ISensor** sensor, | |
| 307 scoped_refptr<SensorEventSink> event_sink) { | |
| 308 if (base::win::GetVersion() < base::win::VERSION_WIN7) | |
| 309 return false; | |
| 310 | |
| 311 base::win::ScopedComPtr<ISensorManager> sensor_manager; | |
| 312 HRESULT hr = sensor_manager.CreateInstance(CLSID_SensorManager); | |
| 313 if (FAILED(hr) || !sensor_manager) | |
| 314 return false; | |
| 315 | |
| 316 base::win::ScopedComPtr<ISensorCollection> sensor_collection; | |
| 317 hr = sensor_manager->GetSensorsByType( | |
| 318 sensor_type, sensor_collection.Receive()); | |
| 319 | |
| 320 if (FAILED(hr) || !sensor_collection) | |
| 321 return false; | |
| 322 | |
| 323 ULONG count = 0; | |
| 324 hr = sensor_collection->GetCount(&count); | |
| 325 if (FAILED(hr) || !count) | |
| 326 return false; | |
| 327 | |
| 328 hr = sensor_collection->GetAt(0, sensor); | |
| 329 if (FAILED(hr) || !(*sensor)) | |
| 330 return false; | |
| 331 | |
| 332 base::win::ScopedComPtr<IPortableDeviceValues> device_values; | |
| 333 if (SUCCEEDED(device_values.CreateInstance(CLSID_PortableDeviceValues))) { | |
| 334 if (SUCCEEDED(device_values->SetUnsignedIntegerValue( | |
| 335 SENSOR_PROPERTY_CURRENT_REPORT_INTERVAL, | |
| 336 GetInterval().InMilliseconds()))) { | |
| 337 base::win::ScopedComPtr<IPortableDeviceValues> return_values; | |
| 338 (*sensor)->SetProperties(device_values.get(), return_values.Receive()); | |
| 339 } | |
| 340 } | |
| 341 | |
| 342 base::win::ScopedComPtr<ISensorEvents> sensor_events; | |
| 343 hr = event_sink->QueryInterface( | |
| 344 __uuidof(ISensorEvents), sensor_events.ReceiveVoid()); | |
| 345 if (FAILED(hr) || !sensor_events) | |
| 346 return false; | |
| 347 | |
| 348 hr = (*sensor)->SetEventSink(sensor_events); | |
| 349 if (FAILED(hr)) | |
| 350 return false; | |
| 351 | |
| 352 return true; | |
| 353 } | |
| 354 | |
| 355 void DataFetcherSharedMemory::DisableSensors(ConsumerType consumer_type) { | |
| 356 switch(consumer_type) { | |
| 357 case CONSUMER_TYPE_ORIENTATION: | |
| 358 if (sensor_inclinometer_) { | |
| 359 sensor_inclinometer_->SetEventSink(NULL); | |
| 360 sensor_inclinometer_.Release(); | |
| 361 } | |
| 362 break; | |
| 363 case CONSUMER_TYPE_MOTION: | |
| 364 if (sensor_accelerometer_) { | |
| 365 sensor_accelerometer_->SetEventSink(NULL); | |
| 366 sensor_accelerometer_.Release(); | |
| 367 } | |
| 368 if (sensor_gyrometer_) { | |
| 369 sensor_gyrometer_->SetEventSink(NULL); | |
| 370 sensor_gyrometer_.Release(); | |
| 371 } | |
| 372 break; | |
| 373 default: | |
| 374 NOTREACHED(); | |
| 375 } | |
| 376 } | |
| 377 | |
| 378 void DataFetcherSharedMemory::SetBufferAvailableState( | |
| 379 ConsumerType consumer_type, bool enabled) { | |
| 380 switch(consumer_type) { | |
| 381 case CONSUMER_TYPE_ORIENTATION: | |
| 382 if (orientation_buffer_) { | |
| 383 orientation_buffer_->seqlock.WriteBegin(); | |
| 384 orientation_buffer_->data.allAvailableSensorsAreActive = enabled; | |
| 385 orientation_buffer_->seqlock.WriteEnd(); | |
| 386 } | |
| 387 case CONSUMER_TYPE_MOTION: | |
| 388 if (motion_buffer_) { | |
| 389 motion_buffer_->seqlock.WriteBegin(); | |
| 390 motion_buffer_->data.allAvailableSensorsAreActive = enabled; | |
| 391 motion_buffer_->seqlock.WriteEnd(); | |
| 392 } | |
| 393 default: | |
| 394 NOTREACHED(); | |
| 395 } | |
| 396 } | |
| 397 | |
| 398 } // namespace content | |
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Chromium Code Reviews
Issue 236833003:
Rename device_orientation to device_sensors (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master