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| 1 // Copyright 2016 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 #ifndef DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_ | |
| 6 #define DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_ | |
| 7 | |
| 8 #include "base/memory/weak_ptr.h" | |
| 9 #include "device/generic_sensor/platform_sensor.h" | |
| 10 #include "device/generic_sensor/platform_sensor_reader_win.h" | |
| 11 | |
| 12 namespace base { | |
| 13 class SingleThreadTaskRunner; | |
| 14 } | |
| 15 | |
| 16 namespace device { | |
| 17 | |
| 18 // Implementation of PlatformSensor interface for Windows platform. Instance | |
| 19 // of PlatformSensorWin is bound to IPC thread where PlatformSensorProvider is | |
| 20 // running and communication with Windows platform sensor is done through | |
| 21 // PlatformSensorReaderWin |sensor_reader_| interface which is bound to sensor | |
| 22 // thread and communicates with PlatformSensorWin using | |
| 23 // PlatformSensorReaderWin::Client interface. The error and data change events | |
| 24 // are forwarded to IPC task runner. | |
| 25 class PlatformSensorWin final : public PlatformSensor, | |
| 26 public PlatformSensorReaderWin::Client { | |
| 27 public: | |
| 28 PlatformSensorWin( | |
| 29 mojom::SensorType type, | |
| 30 mojo::ScopedSharedBufferMapping mapping, | |
| 31 PlatformSensorProvider* provider, | |
| 32 scoped_refptr<base::SingleThreadTaskRunner> sensor_thread_runner, | |
| 33 std::unique_ptr<PlatformSensorReaderWin> sensor_reader); | |
| 34 | |
| 35 PlatformSensorConfiguration GetDefaultConfiguration() override; | |
| 36 mojom::ReportingMode GetReportingMode() override; | |
| 37 double GetMaximumSupportedFrequency() override; | |
| 38 | |
| 39 // PlatformSensorReaderWin::Client interface implementation. | |
| 40 void OnReadingUpdated(const SensorReading& reading) override; | |
| 41 void OnSensorError() override; | |
| 42 | |
| 43 protected: | |
| 44 ~PlatformSensorWin() override; | |
| 45 | |
| 46 // PlatformSensor interface implementation. | |
| 47 bool StartSensor(const PlatformSensorConfiguration& configuration) override; | |
| 48 void StopSensor() override; | |
| 49 bool CheckSensorConfiguration( | |
| 50 const PlatformSensorConfiguration& configuration) override; | |
| 51 | |
| 52 private: | |
| 53 scoped_refptr<base::SingleThreadTaskRunner> sensor_thread_runner_; | |
| 54 PlatformSensorReaderWin* const sensor_reader_; | |
| 55 base::WeakPtrFactory<PlatformSensorWin> weak_factory_; | |
| 56 | |
| 57 DISALLOW_COPY_AND_ASSIGN(PlatformSensorWin); | |
| 58 }; | |
| 59 | |
| 60 } // namespace device | |
| 61 | |
| 62 #endif // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_ | |
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