| // 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 "base/memory/read_only_shared_memory_region.h" |
| #include "base/task/single_thread_task_runner.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/mojom/sensor_provider.mojom.h" |
| |
| namespace device { |
| |
| class PlatformSensorProvider; |
| class PlatformSensor; |
| |
| // 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); |
| |
| private: |
| // SensorProvider implementation. |
| void GetSensor(mojom::SensorType type, |
| GetSensorCallback callback) override; |
| |
| // Helper callback method to return created sensors. |
| void SensorCreated(mojom::SensorType type, |
| base::ReadOnlySharedMemoryRegion cloned_region, |
| GetSensorCallback callback, |
| scoped_refptr<PlatformSensor> sensor); |
| |
| std::unique_ptr<PlatformSensorProvider> provider_; |
| 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_ |