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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 |
| 38 // PlatformSensorReaderWin::Client interface implementation. |
| 39 void OnReadingUpdated(const SensorReading& reading) override; |
| 40 void OnSensorError() override; |
| 41 |
| 42 protected: |
| 43 ~PlatformSensorWin() override; |
| 44 // PlatformSensor interface implementation. |
| 45 bool StartSensor(const PlatformSensorConfiguration& configuration) override; |
| 46 void StopSensor() override; |
| 47 bool CheckSensorConfiguration( |
| 48 const PlatformSensorConfiguration& configuration) override; |
| 49 |
| 50 private: |
| 51 scoped_refptr<base::SingleThreadTaskRunner> sensor_thread_runner_; |
| 52 std::unique_ptr<PlatformSensorReaderWin> sensor_reader_; |
| 53 base::WeakPtrFactory<PlatformSensorWin> weak_factory_; |
| 54 DISALLOW_COPY_AND_ASSIGN(PlatformSensorWin); |
| 55 }; |
| 56 |
| 57 } // namespace device |
| 58 |
| 59 #endif // DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_ |
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