blob: b2bd4c223cfcfeecdec1ea646f8eb7259b5d01a1 [file] [log] [blame]
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef SERVICES_DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_
#define SERVICES_DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_
#include "base/memory/weak_ptr.h"
#include "services/device/generic_sensor/platform_sensor.h"
#include "services/device/generic_sensor/platform_sensor_reader_win.h"
namespace base {
class SingleThreadTaskRunner;
}
namespace device {
// Implementation of PlatformSensor interface for Windows platform. Instance
// of PlatformSensorWin is bound to IPC thread where PlatformSensorProvider is
// running and communication with Windows platform sensor is done through
// PlatformSensorReaderWin |sensor_reader_| interface which is bound to sensor
// thread and communicates with PlatformSensorWin using
// PlatformSensorReaderWin::Client interface. The error and data change events
// are forwarded to IPC task runner.
class PlatformSensorWin final : public PlatformSensor,
public PlatformSensorReaderWin::Client {
public:
PlatformSensorWin(
mojom::SensorType type,
mojo::ScopedSharedBufferMapping mapping,
PlatformSensorProvider* provider,
scoped_refptr<base::SingleThreadTaskRunner> sensor_thread_runner,
std::unique_ptr<PlatformSensorReaderWin> sensor_reader);
PlatformSensorConfiguration GetDefaultConfiguration() override;
mojom::ReportingMode GetReportingMode() override;
double GetMaximumSupportedFrequency() override;
// PlatformSensorReaderWin::Client interface implementation.
void OnReadingUpdated(const SensorReading& reading) override;
void OnSensorError() override;
protected:
~PlatformSensorWin() override;
// PlatformSensor interface implementation.
bool StartSensor(const PlatformSensorConfiguration& configuration) override;
void StopSensor() override;
bool CheckSensorConfiguration(
const PlatformSensorConfiguration& configuration) override;
private:
scoped_refptr<base::SingleThreadTaskRunner> sensor_thread_runner_;
PlatformSensorReaderWin* const sensor_reader_;
base::WeakPtrFactory<PlatformSensorWin> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(PlatformSensorWin);
};
} // namespace device
#endif // SERVICES_DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_WIN_H_