| // 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_VIDEO_CAPTURE_SERVICE_IMPL_H_ |
| #define SERVICES_VIDEO_CAPTURE_SERVICE_IMPL_H_ |
| |
| #include <memory> |
| |
| #include "base/memory/scoped_refptr.h" |
| #include "base/optional.h" |
| #include "base/threading/thread_checker.h" |
| #include "base/time/time.h" |
| #include "mojo/public/cpp/bindings/binding_set.h" |
| #include "services/service_manager/public/cpp/binder_registry.h" |
| #include "services/service_manager/public/cpp/service.h" |
| #include "services/service_manager/public/cpp/service_binding.h" |
| #include "services/service_manager/public/cpp/service_keepalive.h" |
| #include "services/video_capture/device_factory_provider_impl.h" |
| #include "services/video_capture/public/mojom/device_factory_provider.mojom.h" |
| #include "services/video_capture/public/mojom/testing_controls.mojom.h" |
| |
| #if defined(OS_WIN) |
| #include "base/win/scoped_com_initializer.h" |
| #endif |
| |
| #if defined(OS_CHROMEOS) |
| #include "media/capture/video/chromeos/mojo/cros_image_capture.mojom.h" |
| #endif // defined(OS_CHROMEOS) |
| |
| namespace base { |
| class SingleThreadTaskRunner; |
| } |
| |
| namespace video_capture { |
| |
| class ServiceImpl : public service_manager::Service, |
| public service_manager::ServiceKeepalive::Observer { |
| public: |
| ServiceImpl(service_manager::mojom::ServiceRequest request, |
| scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner); |
| |
| // Constructs a service instance which overrides the default idle timeout |
| // behavior. |
| ServiceImpl(service_manager::mojom::ServiceRequest request, |
| scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner, |
| base::Optional<base::TimeDelta> idle_timeout); |
| |
| ~ServiceImpl() override; |
| |
| void SetFactoryProviderClientConnectedObserver( |
| base::RepeatingClosure observer_cb); |
| void SetFactoryProviderClientDisconnectedObserver( |
| base::RepeatingClosure observer_cb); |
| void SetShutdownTimeoutCancelledObserver(base::RepeatingClosure observer_cb); |
| bool HasNoContextRefs(); |
| |
| void ShutdownServiceAsap(); |
| |
| // service_manager::Service implementation. |
| void OnStart() override; |
| void OnBindInterface(const service_manager::BindSourceInfo& source_info, |
| const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle interface_pipe) override; |
| bool OnServiceManagerConnectionLost() override; |
| |
| // service_manager::ServiceKeepalive::Observer implementation. |
| void OnIdleTimeout() override; |
| void OnIdleTimeoutCancelled() override; |
| |
| private: |
| void OnDeviceFactoryProviderRequest( |
| mojom::DeviceFactoryProviderRequest request); |
| void OnTestingControlsRequest(mojom::TestingControlsRequest request); |
| #if defined(OS_CHROMEOS) |
| void OnCrosImageCaptureRequest(cros::mojom::CrosImageCaptureRequest request); |
| #endif // defined(OS_CHROMEOS) |
| void MaybeRequestQuitDelayed(); |
| void MaybeRequestQuit(); |
| void LazyInitializeDeviceFactoryProvider(); |
| void OnProviderClientDisconnected(); |
| |
| service_manager::ServiceBinding binding_; |
| service_manager::ServiceKeepalive keepalive_; |
| scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner_; |
| |
| #if defined(OS_WIN) |
| // COM must be initialized in order to access the video capture devices. |
| base::win::ScopedCOMInitializer com_initializer_; |
| #endif |
| service_manager::BinderRegistry registry_; |
| mojo::BindingSet<mojom::DeviceFactoryProvider> factory_provider_bindings_; |
| std::unique_ptr<DeviceFactoryProviderImpl> device_factory_provider_; |
| |
| // Callbacks that can optionally be set by clients. |
| base::RepeatingClosure factory_provider_client_connected_cb_; |
| base::RepeatingClosure factory_provider_client_disconnected_cb_; |
| base::RepeatingClosure shutdown_timeout_cancelled_cb_; |
| |
| base::ThreadChecker thread_checker_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ServiceImpl); |
| }; |
| |
| } // namespace video_capture |
| |
| #endif // SERVICES_VIDEO_CAPTURE_SERVICE_IMPL_H_ |