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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "content/browser/device_sensors/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 void SetLightBuffer(content::DeviceLightHardwareBuffer* buffer, double lux) { | |
| 22 DCHECK(buffer); | |
| 23 buffer->seqlock.WriteBegin(); | |
| 24 buffer->data.value = lux; | |
| 25 buffer->seqlock.WriteEnd(); | |
| 26 } | |
| 27 | |
| 28 } // namespace | |
| 29 | |
| 30 | |
| 31 namespace content { | |
| 32 | |
| 33 class DataFetcherSharedMemory::SensorEventSink | |
| 34 : public ISensorEvents, public base::win::IUnknownImpl { | |
| 35 public: | |
| 36 SensorEventSink() {} | |
| 37 ~SensorEventSink() override {} | |
| 38 | |
| 39 // IUnknown interface | |
| 40 ULONG STDMETHODCALLTYPE AddRef() override { | |
| 41 return IUnknownImpl::AddRef(); | |
| 42 } | |
| 43 | |
| 44 ULONG STDMETHODCALLTYPE Release() override { | |
| 45 return IUnknownImpl::Release(); | |
| 46 } | |
| 47 | |
| 48 STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override { | |
| 49 if (riid == __uuidof(ISensorEvents)) { | |
| 50 *ppv = static_cast<ISensorEvents*>(this); | |
| 51 AddRef(); | |
| 52 return S_OK; | |
| 53 } | |
| 54 return IUnknownImpl::QueryInterface(riid, ppv); | |
| 55 } | |
| 56 | |
| 57 // ISensorEvents interface | |
| 58 STDMETHODIMP OnEvent(ISensor* sensor, | |
| 59 REFGUID event_id, | |
| 60 IPortableDeviceValues* event_data) override { | |
| 61 return S_OK; | |
| 62 } | |
| 63 | |
| 64 STDMETHODIMP OnLeave(REFSENSOR_ID sensor_id) override { | |
| 65 return S_OK; | |
| 66 } | |
| 67 | |
| 68 STDMETHODIMP OnStateChanged(ISensor* sensor, SensorState state) override { | |
| 69 return S_OK; | |
| 70 } | |
| 71 | |
| 72 STDMETHODIMP OnDataUpdated(ISensor* sensor, | |
| 73 ISensorDataReport* new_data) override { | |
| 74 if (nullptr == new_data || nullptr == sensor) | |
| 75 return E_INVALIDARG; | |
| 76 return UpdateSharedMemoryBuffer(sensor, new_data) ? S_OK : E_FAIL; | |
| 77 } | |
| 78 | |
| 79 protected: | |
| 80 virtual bool UpdateSharedMemoryBuffer( | |
| 81 ISensor* sensor, ISensorDataReport* new_data) = 0; | |
| 82 | |
| 83 void GetSensorValue(REFPROPERTYKEY property, ISensorDataReport* new_data, | |
| 84 double* value, bool* has_value) { | |
| 85 PROPVARIANT variant_value = {}; | |
| 86 if (SUCCEEDED(new_data->GetSensorValue(property, &variant_value))) { | |
| 87 if (variant_value.vt == VT_R8) | |
| 88 *value = variant_value.dblVal; | |
| 89 else if (variant_value.vt == VT_R4) | |
| 90 *value = variant_value.fltVal; | |
| 91 *has_value = true; | |
| 92 } else { | |
| 93 *value = 0; | |
| 94 *has_value = false; | |
| 95 } | |
| 96 } | |
| 97 | |
| 98 private: | |
| 99 | |
| 100 DISALLOW_COPY_AND_ASSIGN(SensorEventSink); | |
| 101 }; | |
| 102 | |
| 103 class DataFetcherSharedMemory::SensorEventSinkOrientation | |
| 104 : public DataFetcherSharedMemory::SensorEventSink { | |
| 105 public: | |
| 106 explicit SensorEventSinkOrientation( | |
| 107 DeviceOrientationHardwareBuffer* const buffer) : buffer_(buffer) {} | |
| 108 ~SensorEventSinkOrientation() override {} | |
| 109 | |
| 110 protected: | |
| 111 bool UpdateSharedMemoryBuffer( | |
| 112 ISensor* sensor, ISensorDataReport* new_data) override { | |
| 113 double alpha, beta, gamma; | |
| 114 bool has_alpha, has_beta, has_gamma; | |
| 115 | |
| 116 GetSensorValue(SENSOR_DATA_TYPE_TILT_X_DEGREES, new_data, &alpha, | |
| 117 &has_alpha); | |
| 118 GetSensorValue(SENSOR_DATA_TYPE_TILT_Y_DEGREES, new_data, &beta, | |
| 119 &has_beta); | |
| 120 GetSensorValue(SENSOR_DATA_TYPE_TILT_Z_DEGREES, new_data, &gamma, | |
| 121 &has_gamma); | |
| 122 | |
| 123 if (buffer_) { | |
| 124 buffer_->seqlock.WriteBegin(); | |
| 125 buffer_->data.alpha = alpha; | |
| 126 buffer_->data.hasAlpha = has_alpha; | |
| 127 buffer_->data.beta = beta; | |
| 128 buffer_->data.hasBeta = has_beta; | |
| 129 buffer_->data.gamma = gamma; | |
| 130 buffer_->data.hasGamma = has_gamma; | |
| 131 buffer_->data.absolute = true; | |
| 132 buffer_->data.hasAbsolute = has_alpha || has_beta || has_gamma; | |
| 133 buffer_->data.allAvailableSensorsAreActive = true; | |
| 134 buffer_->seqlock.WriteEnd(); | |
| 135 } | |
| 136 | |
| 137 return true; | |
| 138 } | |
| 139 | |
| 140 private: | |
| 141 DeviceOrientationHardwareBuffer* const buffer_; | |
| 142 | |
| 143 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkOrientation); | |
| 144 }; | |
| 145 | |
| 146 class DataFetcherSharedMemory::SensorEventSinkMotion | |
| 147 : public DataFetcherSharedMemory::SensorEventSink { | |
| 148 public: | |
| 149 explicit SensorEventSinkMotion(DeviceMotionHardwareBuffer* const buffer) | |
| 150 : buffer_(buffer) {} | |
| 151 ~SensorEventSinkMotion() override {} | |
| 152 | |
| 153 protected: | |
| 154 bool UpdateSharedMemoryBuffer( | |
| 155 ISensor* sensor, ISensorDataReport* new_data) override { | |
| 156 | |
| 157 SENSOR_TYPE_ID sensor_type = GUID_NULL; | |
| 158 if (!SUCCEEDED(sensor->GetType(&sensor_type))) | |
| 159 return false; | |
| 160 | |
| 161 if (IsEqualIID(sensor_type, SENSOR_TYPE_ACCELEROMETER_3D)) { | |
| 162 double acceleration_including_gravity_x; | |
| 163 double acceleration_including_gravity_y; | |
| 164 double acceleration_including_gravity_z; | |
| 165 bool has_acceleration_including_gravity_x; | |
| 166 bool has_acceleration_including_gravity_y; | |
| 167 bool has_acceleration_including_gravity_z; | |
| 168 | |
| 169 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_X_G, new_data, | |
| 170 &acceleration_including_gravity_x, | |
| 171 &has_acceleration_including_gravity_x); | |
| 172 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Y_G, new_data, | |
| 173 &acceleration_including_gravity_y, | |
| 174 &has_acceleration_including_gravity_y); | |
| 175 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Z_G, new_data, | |
| 176 &acceleration_including_gravity_z, | |
| 177 &has_acceleration_including_gravity_z); | |
| 178 | |
| 179 if (buffer_) { | |
| 180 buffer_->seqlock.WriteBegin(); | |
| 181 buffer_->data.accelerationIncludingGravityX = | |
| 182 -acceleration_including_gravity_x * kMeanGravity; | |
| 183 buffer_->data.hasAccelerationIncludingGravityX = | |
| 184 has_acceleration_including_gravity_x; | |
| 185 buffer_->data.accelerationIncludingGravityY = | |
| 186 -acceleration_including_gravity_y * kMeanGravity; | |
| 187 buffer_->data.hasAccelerationIncludingGravityY = | |
| 188 has_acceleration_including_gravity_y; | |
| 189 buffer_->data.accelerationIncludingGravityZ = | |
| 190 -acceleration_including_gravity_z * kMeanGravity; | |
| 191 buffer_->data.hasAccelerationIncludingGravityZ = | |
| 192 has_acceleration_including_gravity_z; | |
| 193 // TODO(timvolodine): consider setting this after all | |
| 194 // sensors have fired. | |
| 195 buffer_->data.allAvailableSensorsAreActive = true; | |
| 196 buffer_->seqlock.WriteEnd(); | |
| 197 } | |
| 198 | |
| 199 } else if (IsEqualIID(sensor_type, SENSOR_TYPE_GYROMETER_3D)) { | |
| 200 double alpha, beta, gamma; | |
| 201 bool has_alpha, has_beta, has_gamma; | |
| 202 | |
| 203 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND, | |
| 204 new_data, &alpha, &has_alpha); | |
| 205 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Y_DEGREES_PER_SECOND, | |
| 206 new_data, &beta, &has_beta); | |
| 207 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Z_DEGREES_PER_SECOND, | |
| 208 new_data, &gamma, &has_gamma); | |
| 209 | |
| 210 if (buffer_) { | |
| 211 buffer_->seqlock.WriteBegin(); | |
| 212 buffer_->data.rotationRateAlpha = alpha; | |
| 213 buffer_->data.hasRotationRateAlpha = has_alpha; | |
| 214 buffer_->data.rotationRateBeta = beta; | |
| 215 buffer_->data.hasRotationRateBeta = has_beta; | |
| 216 buffer_->data.rotationRateGamma = gamma; | |
| 217 buffer_->data.hasRotationRateGamma = has_gamma; | |
| 218 buffer_->data.allAvailableSensorsAreActive = true; | |
| 219 buffer_->seqlock.WriteEnd(); | |
| 220 } | |
| 221 } | |
| 222 | |
| 223 return true; | |
| 224 } | |
| 225 | |
| 226 private: | |
| 227 DeviceMotionHardwareBuffer* const buffer_; | |
| 228 | |
| 229 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkMotion); | |
| 230 }; | |
| 231 | |
| 232 class DataFetcherSharedMemory::SensorEventSinkLight | |
| 233 : public DataFetcherSharedMemory::SensorEventSink { | |
| 234 public: | |
| 235 explicit SensorEventSinkLight(DeviceLightHardwareBuffer* const buffer) | |
| 236 : buffer_(buffer) {} | |
| 237 ~SensorEventSinkLight() override {} | |
| 238 | |
| 239 protected: | |
| 240 bool UpdateSharedMemoryBuffer(ISensor* sensor, | |
| 241 ISensorDataReport* new_data) override { | |
| 242 double lux; | |
| 243 bool has_lux; | |
| 244 | |
| 245 GetSensorValue(SENSOR_DATA_TYPE_LIGHT_LEVEL_LUX, new_data, &lux, &has_lux); | |
| 246 | |
| 247 if(!has_lux) { | |
| 248 // Could not get lux value. | |
| 249 return false; | |
| 250 } | |
| 251 | |
| 252 SetLightBuffer(buffer_, lux); | |
| 253 | |
| 254 return true; | |
| 255 } | |
| 256 | |
| 257 private: | |
| 258 DeviceLightHardwareBuffer* const buffer_; | |
| 259 | |
| 260 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkLight); | |
| 261 }; | |
| 262 | |
| 263 DataFetcherSharedMemory::DataFetcherSharedMemory() | |
| 264 : motion_buffer_(nullptr), | |
| 265 orientation_buffer_(nullptr), | |
| 266 light_buffer_(nullptr) { | |
| 267 } | |
| 268 | |
| 269 DataFetcherSharedMemory::~DataFetcherSharedMemory() { | |
| 270 } | |
| 271 | |
| 272 DataFetcherSharedMemory::FetcherType DataFetcherSharedMemory::GetType() const { | |
| 273 return FETCHER_TYPE_SEPARATE_THREAD; | |
| 274 } | |
| 275 | |
| 276 bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) { | |
| 277 DCHECK(buffer); | |
| 278 | |
| 279 switch (consumer_type) { | |
| 280 case CONSUMER_TYPE_ORIENTATION: | |
| 281 { | |
| 282 orientation_buffer_ = | |
| 283 static_cast<DeviceOrientationHardwareBuffer*>(buffer); | |
| 284 scoped_refptr<SensorEventSink> sink( | |
| 285 new SensorEventSinkOrientation(orientation_buffer_)); | |
| 286 bool inclinometer_available = RegisterForSensor( | |
| 287 SENSOR_TYPE_INCLINOMETER_3D, sensor_inclinometer_.Receive(), sink); | |
| 288 UMA_HISTOGRAM_BOOLEAN("InertialSensor.InclinometerWindowsAvailable", | |
| 289 inclinometer_available); | |
| 290 if (inclinometer_available) | |
| 291 return true; | |
| 292 // if no sensors are available set buffer to ready, to fire null-events. | |
| 293 SetBufferAvailableState(consumer_type, true); | |
| 294 } | |
| 295 break; | |
| 296 case CONSUMER_TYPE_MOTION: | |
| 297 { | |
| 298 motion_buffer_ = static_cast<DeviceMotionHardwareBuffer*>(buffer); | |
| 299 scoped_refptr<SensorEventSink> sink( | |
| 300 new SensorEventSinkMotion(motion_buffer_)); | |
| 301 bool accelerometer_available = RegisterForSensor( | |
| 302 SENSOR_TYPE_ACCELEROMETER_3D, sensor_accelerometer_.Receive(), | |
| 303 sink); | |
| 304 bool gyrometer_available = RegisterForSensor( | |
| 305 SENSOR_TYPE_GYROMETER_3D, sensor_gyrometer_.Receive(), sink); | |
| 306 UMA_HISTOGRAM_BOOLEAN("InertialSensor.AccelerometerWindowsAvailable", | |
| 307 accelerometer_available); | |
| 308 UMA_HISTOGRAM_BOOLEAN("InertialSensor.GyrometerWindowsAvailable", | |
| 309 gyrometer_available); | |
| 310 if (accelerometer_available || gyrometer_available) { | |
| 311 motion_buffer_->seqlock.WriteBegin(); | |
| 312 motion_buffer_->data.interval = GetInterval().InMilliseconds(); | |
| 313 motion_buffer_->seqlock.WriteEnd(); | |
| 314 return true; | |
| 315 } | |
| 316 // if no sensors are available set buffer to ready, to fire null-events. | |
| 317 SetBufferAvailableState(consumer_type, true); | |
| 318 } | |
| 319 break; | |
| 320 case CONSUMER_TYPE_LIGHT: | |
| 321 { | |
| 322 light_buffer_ = static_cast<DeviceLightHardwareBuffer*>(buffer); | |
| 323 scoped_refptr<SensorEventSink> sink( | |
| 324 new SensorEventSinkLight(light_buffer_)); | |
| 325 bool sensor_light_available = RegisterForSensor( | |
| 326 SENSOR_TYPE_AMBIENT_LIGHT, sensor_light_.Receive(), sink); | |
| 327 if (sensor_light_available) { | |
| 328 SetLightBuffer(light_buffer_, -1); | |
| 329 return true; | |
| 330 } | |
| 331 | |
| 332 // if no sensors are available, fire an Infinity event. | |
| 333 SetLightBuffer(light_buffer_, std::numeric_limits<double>::infinity()); | |
| 334 } | |
| 335 break; | |
| 336 default: | |
| 337 NOTREACHED(); | |
| 338 } | |
| 339 return false; | |
| 340 } | |
| 341 | |
| 342 bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) { | |
| 343 DisableSensors(consumer_type); | |
| 344 switch (consumer_type) { | |
| 345 case CONSUMER_TYPE_ORIENTATION: | |
| 346 SetBufferAvailableState(consumer_type, false); | |
| 347 orientation_buffer_ = nullptr; | |
| 348 return true; | |
| 349 case CONSUMER_TYPE_MOTION: | |
| 350 SetBufferAvailableState(consumer_type, false); | |
| 351 motion_buffer_ = nullptr; | |
| 352 return true; | |
| 353 case CONSUMER_TYPE_LIGHT: | |
| 354 SetLightBuffer(light_buffer_, -1); | |
| 355 light_buffer_ = nullptr; | |
| 356 return true; | |
| 357 default: | |
| 358 NOTREACHED(); | |
| 359 } | |
| 360 return false; | |
| 361 } | |
| 362 | |
| 363 bool DataFetcherSharedMemory::RegisterForSensor( | |
| 364 REFSENSOR_TYPE_ID sensor_type, | |
| 365 ISensor** sensor, | |
| 366 scoped_refptr<SensorEventSink> event_sink) { | |
| 367 if (base::win::GetVersion() < base::win::VERSION_WIN7) | |
| 368 return false; | |
| 369 | |
| 370 base::win::ScopedComPtr<ISensorManager> sensor_manager; | |
| 371 HRESULT hr = sensor_manager.CreateInstance(CLSID_SensorManager); | |
| 372 if (FAILED(hr) || !sensor_manager.get()) | |
| 373 return false; | |
| 374 | |
| 375 base::win::ScopedComPtr<ISensorCollection> sensor_collection; | |
| 376 hr = sensor_manager->GetSensorsByType( | |
| 377 sensor_type, sensor_collection.Receive()); | |
| 378 | |
| 379 if (FAILED(hr) || !sensor_collection.get()) | |
| 380 return false; | |
| 381 | |
| 382 ULONG count = 0; | |
| 383 hr = sensor_collection->GetCount(&count); | |
| 384 if (FAILED(hr) || !count) | |
| 385 return false; | |
| 386 | |
| 387 hr = sensor_collection->GetAt(0, sensor); | |
| 388 if (FAILED(hr) || !(*sensor)) | |
| 389 return false; | |
| 390 | |
| 391 base::win::ScopedComPtr<IPortableDeviceValues> device_values; | |
| 392 if (SUCCEEDED(device_values.CreateInstance(CLSID_PortableDeviceValues))) { | |
| 393 if (SUCCEEDED(device_values->SetUnsignedIntegerValue( | |
| 394 SENSOR_PROPERTY_CURRENT_REPORT_INTERVAL, | |
| 395 GetInterval().InMilliseconds()))) { | |
| 396 base::win::ScopedComPtr<IPortableDeviceValues> return_values; | |
| 397 (*sensor)->SetProperties(device_values.get(), return_values.Receive()); | |
| 398 } | |
| 399 } | |
| 400 | |
| 401 base::win::ScopedComPtr<ISensorEvents> sensor_events; | |
| 402 hr = event_sink->QueryInterface( | |
| 403 __uuidof(ISensorEvents), sensor_events.ReceiveVoid()); | |
| 404 if (FAILED(hr) || !sensor_events.get()) | |
| 405 return false; | |
| 406 | |
| 407 hr = (*sensor)->SetEventSink(sensor_events.get()); | |
| 408 if (FAILED(hr)) | |
| 409 return false; | |
| 410 | |
| 411 return true; | |
| 412 } | |
| 413 | |
| 414 void DataFetcherSharedMemory::DisableSensors(ConsumerType consumer_type) { | |
| 415 switch(consumer_type) { | |
| 416 case CONSUMER_TYPE_ORIENTATION: | |
| 417 if (sensor_inclinometer_.get()) { | |
| 418 sensor_inclinometer_->SetEventSink(nullptr); | |
| 419 sensor_inclinometer_.Release(); | |
| 420 } | |
| 421 break; | |
| 422 case CONSUMER_TYPE_MOTION: | |
| 423 if (sensor_accelerometer_.get()) { | |
| 424 sensor_accelerometer_->SetEventSink(nullptr); | |
| 425 sensor_accelerometer_.Release(); | |
| 426 } | |
| 427 if (sensor_gyrometer_.get()) { | |
| 428 sensor_gyrometer_->SetEventSink(nullptr); | |
| 429 sensor_gyrometer_.Release(); | |
| 430 } | |
| 431 break; | |
| 432 case CONSUMER_TYPE_LIGHT: | |
| 433 if (sensor_light_.get()) { | |
| 434 sensor_light_->SetEventSink(nullptr); | |
| 435 sensor_light_.Release(); | |
| 436 } | |
| 437 break; | |
| 438 default: | |
| 439 NOTREACHED(); | |
| 440 } | |
| 441 } | |
| 442 | |
| 443 void DataFetcherSharedMemory::SetBufferAvailableState( | |
| 444 ConsumerType consumer_type, bool enabled) { | |
| 445 switch(consumer_type) { | |
| 446 case CONSUMER_TYPE_ORIENTATION: | |
| 447 if (orientation_buffer_) { | |
| 448 orientation_buffer_->seqlock.WriteBegin(); | |
| 449 orientation_buffer_->data.allAvailableSensorsAreActive = enabled; | |
| 450 orientation_buffer_->seqlock.WriteEnd(); | |
| 451 } | |
| 452 break; | |
| 453 case CONSUMER_TYPE_MOTION: | |
| 454 if (motion_buffer_) { | |
| 455 motion_buffer_->seqlock.WriteBegin(); | |
| 456 motion_buffer_->data.allAvailableSensorsAreActive = enabled; | |
| 457 motion_buffer_->seqlock.WriteEnd(); | |
| 458 } | |
| 459 break; | |
| 460 default: | |
| 461 NOTREACHED(); | |
| 462 } | |
| 463 } | |
| 464 | |
| 465 } // namespace content | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1164563003:
Extract device_sensors to /device via Mojofication (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master