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// Copyright 2016 The Chromium Authors
// 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_SENSOR_PROVIDER_IMPL_H_
#define SERVICES_DEVICE_GENERIC_SENSOR_SENSOR_PROVIDER_IMPL_H_
#include <map>
#include "base/memory/read_only_shared_memory_region.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "mojo/public/cpp/bindings/unique_receiver_set.h"
#include "services/device/public/cpp/generic_sensor/sensor_reading.h"
#include "services/device/public/mojom/sensor_provider.mojom.h"
namespace device {
class PlatformSensorProvider;
class PlatformSensor;
class VirtualPlatformSensorProvider;
// Implementation of SensorProvider mojo interface. Owns an instance of
// PlatformSensorProvider to create platform specific instances of
// PlatformSensor which are used by SensorImpl. A single instance of this class
// is owned by DeviceService.
class SensorProviderImpl final : public mojom::SensorProvider {
public:
explicit SensorProviderImpl(std::unique_ptr<PlatformSensorProvider> provider);
SensorProviderImpl(const SensorProviderImpl&) = delete;
SensorProviderImpl& operator=(const SensorProviderImpl&) = delete;
~SensorProviderImpl() override;
void Bind(mojo::PendingReceiver<mojom::SensorProvider> receiver);
size_t GetVirtualProviderCountForTesting() const;
const VirtualPlatformSensorProvider* GetLastVirtualSensorProviderForTesting()
const;
private:
// mojom::SensorProvider implementation.
void GetSensor(mojom::SensorType type, GetSensorCallback callback) override;
void CreateVirtualSensor(mojom::SensorType type,
mojom::VirtualSensorMetadataPtr metadata,
CreateVirtualSensorCallback callback) override;
void UpdateVirtualSensor(mojom::SensorType type,
const SensorReading& reading,
UpdateVirtualSensorCallback callback) override;
void RemoveVirtualSensor(mojom::SensorType type,
RemoveVirtualSensorCallback callback) override;
void GetVirtualSensorInformation(
mojom::SensorType type,
GetVirtualSensorInformationCallback callback) override;
// Helper callback method to return created sensors.
void SensorCreated(base::ReadOnlySharedMemoryRegion cloned_region,
GetSensorCallback callback,
scoped_refptr<PlatformSensor> sensor);
void OnReceiverDisconnected();
std::unique_ptr<PlatformSensorProvider> provider_;
std::map<mojo::ReceiverId, std::unique_ptr<VirtualPlatformSensorProvider>>
virtual_providers_;
mojo::ReceiverSet<mojom::SensorProvider> receivers_;
mojo::UniqueReceiverSet<mojom::Sensor> sensor_receivers_;
base::WeakPtrFactory<SensorProviderImpl> weak_ptr_factory_{this};
};
} // namespace device
#endif // SERVICES_DEVICE_GENERIC_SENSOR_SENSOR_PROVIDER_IMPL_H_
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