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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 "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 #include <objbase.h> | |
| 12 | |
| 13 #include "base/logging.h" | |
| 14 #include "base/macros.h" | |
| 15 #include "base/metrics/histogram_macros.h" | |
| 16 #include "base/win/iunknown_impl.h" | |
| 17 #include "base/win/windows_version.h" | |
| 18 | |
| 19 namespace { | |
| 20 | |
| 21 const double kMeanGravity = 9.80665; | |
| 22 | |
| 23 } // namespace | |
| 24 | |
| 25 namespace device { | |
| 26 | |
| 27 class DataFetcherSharedMemory::SensorEventSink | |
| 28 : public ISensorEvents, | |
| 29 public base::win::IUnknownImpl { | |
| 30 public: | |
| 31 SensorEventSink() {} | |
| 32 ~SensorEventSink() override {} | |
| 33 | |
| 34 // IUnknown interface | |
| 35 ULONG STDMETHODCALLTYPE AddRef() override { return IUnknownImpl::AddRef(); } | |
| 36 | |
| 37 ULONG STDMETHODCALLTYPE Release() override { return IUnknownImpl::Release(); } | |
| 38 | |
| 39 STDMETHODIMP QueryInterface(REFIID riid, void** ppv) override { | |
| 40 if (riid == __uuidof(ISensorEvents)) { | |
| 41 *ppv = static_cast<ISensorEvents*>(this); | |
| 42 AddRef(); | |
| 43 return S_OK; | |
| 44 } | |
| 45 return IUnknownImpl::QueryInterface(riid, ppv); | |
| 46 } | |
| 47 | |
| 48 // ISensorEvents interface | |
| 49 STDMETHODIMP OnEvent(ISensor* sensor, | |
| 50 REFGUID event_id, | |
| 51 IPortableDeviceValues* event_data) override { | |
| 52 return S_OK; | |
| 53 } | |
| 54 | |
| 55 STDMETHODIMP OnLeave(REFSENSOR_ID sensor_id) override { return S_OK; } | |
| 56 | |
| 57 STDMETHODIMP OnStateChanged(ISensor* sensor, SensorState state) override { | |
| 58 return S_OK; | |
| 59 } | |
| 60 | |
| 61 STDMETHODIMP OnDataUpdated(ISensor* sensor, | |
| 62 ISensorDataReport* new_data) override { | |
| 63 if (nullptr == new_data || nullptr == sensor) | |
| 64 return E_INVALIDARG; | |
| 65 return UpdateSharedMemoryBuffer(sensor, new_data) ? S_OK : E_FAIL; | |
| 66 } | |
| 67 | |
| 68 protected: | |
| 69 virtual bool UpdateSharedMemoryBuffer(ISensor* sensor, | |
| 70 ISensorDataReport* new_data) = 0; | |
| 71 | |
| 72 void GetSensorValue(REFPROPERTYKEY property, | |
| 73 ISensorDataReport* new_data, | |
| 74 double* value, | |
| 75 bool* has_value) { | |
| 76 PROPVARIANT variant_value = {}; | |
| 77 if (SUCCEEDED(new_data->GetSensorValue(property, &variant_value))) { | |
| 78 if (variant_value.vt == VT_R8) | |
| 79 *value = variant_value.dblVal; | |
| 80 else if (variant_value.vt == VT_R4) | |
| 81 *value = variant_value.fltVal; | |
| 82 *has_value = true; | |
| 83 } else { | |
| 84 *value = 0; | |
| 85 *has_value = false; | |
| 86 } | |
| 87 } | |
| 88 | |
| 89 private: | |
| 90 DISALLOW_COPY_AND_ASSIGN(SensorEventSink); | |
| 91 }; | |
| 92 | |
| 93 class DataFetcherSharedMemory::SensorEventSinkOrientation | |
| 94 : public DataFetcherSharedMemory::SensorEventSink { | |
| 95 public: | |
| 96 explicit SensorEventSinkOrientation( | |
| 97 DeviceOrientationHardwareBuffer* const buffer) | |
| 98 : buffer_(buffer) {} | |
| 99 ~SensorEventSinkOrientation() override {} | |
| 100 | |
| 101 protected: | |
| 102 bool UpdateSharedMemoryBuffer(ISensor* sensor, | |
| 103 ISensorDataReport* new_data) override { | |
| 104 double alpha, beta, gamma; | |
| 105 bool has_alpha, has_beta, has_gamma; | |
| 106 | |
| 107 GetSensorValue(SENSOR_DATA_TYPE_TILT_X_DEGREES, new_data, &beta, &has_beta); | |
| 108 GetSensorValue(SENSOR_DATA_TYPE_TILT_Y_DEGREES, new_data, &gamma, | |
| 109 &has_gamma); | |
| 110 GetSensorValue(SENSOR_DATA_TYPE_TILT_Z_DEGREES, new_data, &alpha, | |
| 111 &has_alpha); | |
| 112 | |
| 113 if (buffer_) { | |
| 114 buffer_->seqlock.WriteBegin(); | |
| 115 buffer_->data.alpha = alpha; | |
| 116 buffer_->data.has_alpha = has_alpha; | |
| 117 buffer_->data.beta = beta; | |
| 118 buffer_->data.has_beta = has_beta; | |
| 119 buffer_->data.gamma = gamma; | |
| 120 buffer_->data.has_gamma = has_gamma; | |
| 121 buffer_->data.absolute = has_alpha || has_beta || has_gamma; | |
| 122 buffer_->data.all_available_sensors_are_active = true; | |
| 123 buffer_->seqlock.WriteEnd(); | |
| 124 } | |
| 125 | |
| 126 return true; | |
| 127 } | |
| 128 | |
| 129 private: | |
| 130 DeviceOrientationHardwareBuffer* const buffer_; | |
| 131 | |
| 132 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkOrientation); | |
| 133 }; | |
| 134 | |
| 135 class DataFetcherSharedMemory::SensorEventSinkMotion | |
| 136 : public DataFetcherSharedMemory::SensorEventSink { | |
| 137 public: | |
| 138 explicit SensorEventSinkMotion(DeviceMotionHardwareBuffer* const buffer) | |
| 139 : buffer_(buffer) {} | |
| 140 ~SensorEventSinkMotion() override {} | |
| 141 | |
| 142 protected: | |
| 143 bool UpdateSharedMemoryBuffer(ISensor* sensor, | |
| 144 ISensorDataReport* new_data) override { | |
| 145 SENSOR_TYPE_ID sensor_type = GUID_NULL; | |
| 146 if (!SUCCEEDED(sensor->GetType(&sensor_type))) | |
| 147 return false; | |
| 148 | |
| 149 if (IsEqualIID(sensor_type, SENSOR_TYPE_ACCELEROMETER_3D)) { | |
| 150 double acceleration_including_gravity_x; | |
| 151 double acceleration_including_gravity_y; | |
| 152 double acceleration_including_gravity_z; | |
| 153 bool has_acceleration_including_gravity_x; | |
| 154 bool has_acceleration_including_gravity_y; | |
| 155 bool has_acceleration_including_gravity_z; | |
| 156 | |
| 157 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_X_G, new_data, | |
| 158 &acceleration_including_gravity_x, | |
| 159 &has_acceleration_including_gravity_x); | |
| 160 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Y_G, new_data, | |
| 161 &acceleration_including_gravity_y, | |
| 162 &has_acceleration_including_gravity_y); | |
| 163 GetSensorValue(SENSOR_DATA_TYPE_ACCELERATION_Z_G, new_data, | |
| 164 &acceleration_including_gravity_z, | |
| 165 &has_acceleration_including_gravity_z); | |
| 166 | |
| 167 if (buffer_) { | |
| 168 buffer_->seqlock.WriteBegin(); | |
| 169 buffer_->data.acceleration_including_gravity_x = | |
| 170 -acceleration_including_gravity_x * kMeanGravity; | |
| 171 buffer_->data.has_acceleration_including_gravity_x = | |
| 172 has_acceleration_including_gravity_x; | |
| 173 buffer_->data.acceleration_including_gravity_y = | |
| 174 -acceleration_including_gravity_y * kMeanGravity; | |
| 175 buffer_->data.has_acceleration_including_gravity_y = | |
| 176 has_acceleration_including_gravity_y; | |
| 177 buffer_->data.acceleration_including_gravity_z = | |
| 178 -acceleration_including_gravity_z * kMeanGravity; | |
| 179 buffer_->data.has_acceleration_including_gravity_z = | |
| 180 has_acceleration_including_gravity_z; | |
| 181 // TODO(timvolodine): consider setting this after all | |
| 182 // sensors have fired. | |
| 183 buffer_->data.all_available_sensors_are_active = true; | |
| 184 buffer_->seqlock.WriteEnd(); | |
| 185 } | |
| 186 | |
| 187 } else if (IsEqualIID(sensor_type, SENSOR_TYPE_GYROMETER_3D)) { | |
| 188 double alpha, beta, gamma; | |
| 189 bool has_alpha, has_beta, has_gamma; | |
| 190 | |
| 191 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_X_DEGREES_PER_SECOND, | |
| 192 new_data, &alpha, &has_alpha); | |
| 193 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Y_DEGREES_PER_SECOND, | |
| 194 new_data, &beta, &has_beta); | |
| 195 GetSensorValue(SENSOR_DATA_TYPE_ANGULAR_VELOCITY_Z_DEGREES_PER_SECOND, | |
| 196 new_data, &gamma, &has_gamma); | |
| 197 | |
| 198 if (buffer_) { | |
| 199 buffer_->seqlock.WriteBegin(); | |
| 200 buffer_->data.rotation_rate_alpha = alpha; | |
| 201 buffer_->data.has_rotation_rate_alpha = has_alpha; | |
| 202 buffer_->data.rotation_rate_beta = beta; | |
| 203 buffer_->data.has_rotation_rate_beta = has_beta; | |
| 204 buffer_->data.rotation_rate_gamma = gamma; | |
| 205 buffer_->data.has_rotation_rate_gamma = has_gamma; | |
| 206 buffer_->data.all_available_sensors_are_active = true; | |
| 207 buffer_->seqlock.WriteEnd(); | |
| 208 } | |
| 209 } | |
| 210 | |
| 211 return true; | |
| 212 } | |
| 213 | |
| 214 private: | |
| 215 DeviceMotionHardwareBuffer* const buffer_; | |
| 216 | |
| 217 DISALLOW_COPY_AND_ASSIGN(SensorEventSinkMotion); | |
| 218 }; | |
| 219 | |
| 220 DataFetcherSharedMemory::DataFetcherSharedMemory() {} | |
| 221 | |
| 222 DataFetcherSharedMemory::~DataFetcherSharedMemory() {} | |
| 223 | |
| 224 DataFetcherSharedMemory::FetcherType DataFetcherSharedMemory::GetType() const { | |
| 225 return FETCHER_TYPE_SEPARATE_THREAD; | |
| 226 } | |
| 227 | |
| 228 bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) { | |
| 229 DCHECK(buffer); | |
| 230 | |
| 231 switch (consumer_type) { | |
| 232 case CONSUMER_TYPE_ORIENTATION: { | |
| 233 orientation_buffer_ = | |
| 234 static_cast<DeviceOrientationHardwareBuffer*>(buffer); | |
| 235 scoped_refptr<SensorEventSink> sink( | |
| 236 new SensorEventSinkOrientation(orientation_buffer_)); | |
| 237 bool inclinometer_available = | |
| 238 RegisterForSensor(SENSOR_TYPE_INCLINOMETER_3D, | |
| 239 sensor_inclinometer_.GetAddressOf(), sink); | |
| 240 UMA_HISTOGRAM_BOOLEAN("InertialSensor.InclinometerWindowsAvailable", | |
| 241 inclinometer_available); | |
| 242 if (inclinometer_available) | |
| 243 return true; | |
| 244 // if no sensors are available set buffer to ready, to fire null-events. | |
| 245 SetBufferAvailableState(consumer_type, true); | |
| 246 } break; | |
| 247 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: { | |
| 248 orientation_absolute_buffer_ = | |
| 249 static_cast<DeviceOrientationHardwareBuffer*>(buffer); | |
| 250 scoped_refptr<SensorEventSink> sink( | |
| 251 new SensorEventSinkOrientation(orientation_absolute_buffer_)); | |
| 252 // Currently we use the same sensor as for orientation which provides | |
| 253 // absolute angles. | |
| 254 bool inclinometer_available = | |
| 255 RegisterForSensor(SENSOR_TYPE_INCLINOMETER_3D, | |
| 256 sensor_inclinometer_absolute_.GetAddressOf(), sink); | |
| 257 // TODO(timvolodine): consider adding UMA. | |
| 258 if (inclinometer_available) | |
| 259 return true; | |
| 260 // if no sensors are available set buffer to ready, to fire null-events. | |
| 261 SetBufferAvailableState(consumer_type, true); | |
| 262 } break; | |
| 263 case CONSUMER_TYPE_MOTION: { | |
| 264 motion_buffer_ = static_cast<DeviceMotionHardwareBuffer*>(buffer); | |
| 265 scoped_refptr<SensorEventSink> sink( | |
| 266 new SensorEventSinkMotion(motion_buffer_)); | |
| 267 bool accelerometer_available = | |
| 268 RegisterForSensor(SENSOR_TYPE_ACCELEROMETER_3D, | |
| 269 sensor_accelerometer_.GetAddressOf(), sink); | |
| 270 bool gyrometer_available = RegisterForSensor( | |
| 271 SENSOR_TYPE_GYROMETER_3D, sensor_gyrometer_.GetAddressOf(), sink); | |
| 272 UMA_HISTOGRAM_BOOLEAN("InertialSensor.AccelerometerWindowsAvailable", | |
| 273 accelerometer_available); | |
| 274 UMA_HISTOGRAM_BOOLEAN("InertialSensor.GyrometerWindowsAvailable", | |
| 275 gyrometer_available); | |
| 276 if (accelerometer_available || gyrometer_available) { | |
| 277 motion_buffer_->seqlock.WriteBegin(); | |
| 278 motion_buffer_->data.interval = GetInterval().InMilliseconds(); | |
| 279 motion_buffer_->seqlock.WriteEnd(); | |
| 280 return true; | |
| 281 } | |
| 282 // if no sensors are available set buffer to ready, to fire null-events. | |
| 283 SetBufferAvailableState(consumer_type, true); | |
| 284 } break; | |
| 285 default: | |
| 286 NOTREACHED(); | |
| 287 } | |
| 288 return false; | |
| 289 } | |
| 290 | |
| 291 bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) { | |
| 292 DisableSensors(consumer_type); | |
| 293 switch (consumer_type) { | |
| 294 case CONSUMER_TYPE_ORIENTATION: | |
| 295 SetBufferAvailableState(consumer_type, false); | |
| 296 orientation_buffer_ = nullptr; | |
| 297 return true; | |
| 298 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | |
| 299 SetBufferAvailableState(consumer_type, false); | |
| 300 orientation_absolute_buffer_ = nullptr; | |
| 301 return true; | |
| 302 case CONSUMER_TYPE_MOTION: | |
| 303 SetBufferAvailableState(consumer_type, false); | |
| 304 motion_buffer_ = nullptr; | |
| 305 return true; | |
| 306 default: | |
| 307 NOTREACHED(); | |
| 308 } | |
| 309 return false; | |
| 310 } | |
| 311 | |
| 312 bool DataFetcherSharedMemory::RegisterForSensor( | |
| 313 REFSENSOR_TYPE_ID sensor_type, | |
| 314 ISensor** sensor, | |
| 315 scoped_refptr<SensorEventSink> event_sink) { | |
| 316 if (base::win::GetVersion() < base::win::VERSION_WIN7) | |
| 317 return false; | |
| 318 | |
| 319 base::win::ScopedComPtr<ISensorManager> sensor_manager; | |
| 320 HRESULT hr = sensor_manager.CreateInstance(CLSID_SensorManager); | |
| 321 if (FAILED(hr) || !sensor_manager.Get()) | |
| 322 return false; | |
| 323 | |
| 324 base::win::ScopedComPtr<ISensorCollection> sensor_collection; | |
| 325 hr = sensor_manager->GetSensorsByType(sensor_type, | |
| 326 sensor_collection.GetAddressOf()); | |
| 327 | |
| 328 if (FAILED(hr) || !sensor_collection.Get()) | |
| 329 return false; | |
| 330 | |
| 331 ULONG count = 0; | |
| 332 hr = sensor_collection->GetCount(&count); | |
| 333 if (FAILED(hr) || !count) | |
| 334 return false; | |
| 335 | |
| 336 hr = sensor_collection->GetAt(0, sensor); | |
| 337 if (FAILED(hr) || !(*sensor)) | |
| 338 return false; | |
| 339 | |
| 340 base::win::ScopedComPtr<IPortableDeviceValues> device_values; | |
| 341 if (SUCCEEDED(device_values.CreateInstance(CLSID_PortableDeviceValues))) { | |
| 342 if (SUCCEEDED(device_values->SetUnsignedIntegerValue( | |
| 343 SENSOR_PROPERTY_CURRENT_REPORT_INTERVAL, | |
| 344 GetInterval().InMilliseconds()))) { | |
| 345 base::win::ScopedComPtr<IPortableDeviceValues> return_values; | |
| 346 (*sensor)->SetProperties(device_values.Get(), | |
| 347 return_values.GetAddressOf()); | |
| 348 } | |
| 349 } | |
| 350 | |
| 351 base::win::ScopedComPtr<ISensorEvents> sensor_events; | |
| 352 hr = event_sink->QueryInterface(IID_PPV_ARGS(&sensor_events)); | |
| 353 if (FAILED(hr) || !sensor_events.Get()) | |
| 354 return false; | |
| 355 | |
| 356 hr = (*sensor)->SetEventSink(sensor_events.Get()); | |
| 357 if (FAILED(hr)) | |
| 358 return false; | |
| 359 | |
| 360 return true; | |
| 361 } | |
| 362 | |
| 363 void DataFetcherSharedMemory::DisableSensors(ConsumerType consumer_type) { | |
| 364 switch (consumer_type) { | |
| 365 case CONSUMER_TYPE_ORIENTATION: | |
| 366 if (sensor_inclinometer_.Get()) { | |
| 367 sensor_inclinometer_->SetEventSink(nullptr); | |
| 368 sensor_inclinometer_.Reset(); | |
| 369 } | |
| 370 break; | |
| 371 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | |
| 372 if (sensor_inclinometer_absolute_.Get()) { | |
| 373 sensor_inclinometer_absolute_->SetEventSink(nullptr); | |
| 374 sensor_inclinometer_absolute_.Reset(); | |
| 375 } | |
| 376 break; | |
| 377 case CONSUMER_TYPE_MOTION: | |
| 378 if (sensor_accelerometer_.Get()) { | |
| 379 sensor_accelerometer_->SetEventSink(nullptr); | |
| 380 sensor_accelerometer_.Reset(); | |
| 381 } | |
| 382 if (sensor_gyrometer_.Get()) { | |
| 383 sensor_gyrometer_->SetEventSink(nullptr); | |
| 384 sensor_gyrometer_.Reset(); | |
| 385 } | |
| 386 break; | |
| 387 default: | |
| 388 NOTREACHED(); | |
| 389 } | |
| 390 } | |
| 391 | |
| 392 void DataFetcherSharedMemory::SetBufferAvailableState( | |
| 393 ConsumerType consumer_type, | |
| 394 bool enabled) { | |
| 395 switch (consumer_type) { | |
| 396 case CONSUMER_TYPE_ORIENTATION: | |
| 397 if (orientation_buffer_) { | |
| 398 orientation_buffer_->seqlock.WriteBegin(); | |
| 399 orientation_buffer_->data.all_available_sensors_are_active = enabled; | |
| 400 orientation_buffer_->seqlock.WriteEnd(); | |
| 401 } | |
| 402 break; | |
| 403 case CONSUMER_TYPE_ORIENTATION_ABSOLUTE: | |
| 404 if (orientation_absolute_buffer_) { | |
| 405 orientation_absolute_buffer_->seqlock.WriteBegin(); | |
| 406 orientation_absolute_buffer_->data.all_available_sensors_are_active = | |
| 407 enabled; | |
| 408 orientation_absolute_buffer_->seqlock.WriteEnd(); | |
| 409 } | |
| 410 break; | |
| 411 case CONSUMER_TYPE_MOTION: | |
| 412 if (motion_buffer_) { | |
| 413 motion_buffer_->seqlock.WriteBegin(); | |
| 414 motion_buffer_->data.all_available_sensors_are_active = enabled; | |
| 415 motion_buffer_->seqlock.WriteEnd(); | |
| 416 } | |
| 417 break; | |
| 418 default: | |
| 419 NOTREACHED(); | |
| 420 } | |
| 421 } | |
| 422 | |
| 423 } // namespace device | |
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Chromium Code Reviews
Issue 2885203004:
Refactor content/renderer/device_sensors to use device/generic_sensor instead of device/sensors (Closed)
