| // 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. |
| |
| #include "services/video_capture/service_impl.h" |
| |
| #include "mojo/public/cpp/bindings/strong_binding.h" |
| #include "services/service_manager/public/cpp/service_context.h" |
| #include "services/video_capture/device_factory_provider_impl.h" |
| #include "services/video_capture/public/mojom/constants.mojom.h" |
| #include "services/video_capture/public/uma/video_capture_service_event.h" |
| #include "services/video_capture/testing_controls_impl.h" |
| |
| namespace video_capture { |
| |
| ServiceImpl::ServiceImpl(float shutdown_delay_in_seconds) |
| : shutdown_delay_in_seconds_(shutdown_delay_in_seconds), |
| weak_factory_(this) {} |
| |
| ServiceImpl::~ServiceImpl() { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| if (destruction_cb_) |
| std::move(destruction_cb_).Run(); |
| } |
| |
| // static |
| std::unique_ptr<service_manager::Service> ServiceImpl::Create() { |
| return std::make_unique<ServiceImpl>(); |
| } |
| |
| void ServiceImpl::SetDestructionObserver(base::OnceClosure observer_cb) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| destruction_cb_ = std::move(observer_cb); |
| } |
| |
| void ServiceImpl::SetFactoryProviderClientConnectedObserver( |
| base::RepeatingClosure observer_cb) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| factory_provider_client_connected_cb_ = std::move(observer_cb); |
| } |
| |
| void ServiceImpl::SetFactoryProviderClientDisconnectedObserver( |
| base::RepeatingClosure observer_cb) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| factory_provider_client_disconnected_cb_ = std::move(observer_cb); |
| } |
| |
| void ServiceImpl::SetShutdownTimeoutCancelledObserver( |
| base::RepeatingClosure observer_cb) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| shutdown_timeout_cancelled_cb_ = std::move(observer_cb); |
| } |
| |
| bool ServiceImpl::HasNoContextRefs() { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| return ref_factory_->HasNoRefs(); |
| } |
| |
| void ServiceImpl::OnStart() { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| |
| video_capture::uma::LogVideoCaptureServiceEvent( |
| video_capture::uma::SERVICE_STARTED); |
| |
| // Do not replace |ref_factory_| if one has already been set via |
| // SetServiceContextRefProviderForTesting(). |
| if (!ref_factory_) { |
| ref_factory_ = std::make_unique<service_manager::ServiceKeepalive>( |
| context(), base::TimeDelta::FromSecondsD(shutdown_delay_in_seconds_), |
| this); |
| } |
| |
| registry_.AddInterface<mojom::DeviceFactoryProvider>( |
| // Unretained |this| is safe because |registry_| is owned by |this|. |
| base::Bind(&ServiceImpl::OnDeviceFactoryProviderRequest, |
| base::Unretained(this))); |
| registry_.AddInterface<mojom::TestingControls>( |
| // Unretained |this| is safe because |registry_| is owned by |this|. |
| base::Bind(&ServiceImpl::OnTestingControlsRequest, |
| base::Unretained(this))); |
| |
| factory_provider_bindings_.set_connection_error_handler(base::BindRepeating( |
| &ServiceImpl::OnProviderClientDisconnected, base::Unretained(this))); |
| } |
| |
| void ServiceImpl::OnBindInterface( |
| const service_manager::BindSourceInfo& source_info, |
| const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle interface_pipe) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| registry_.BindInterface(interface_name, std::move(interface_pipe)); |
| } |
| |
| bool ServiceImpl::OnServiceManagerConnectionLost() { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| return true; |
| } |
| |
| void ServiceImpl::OnTimeoutExpired() { |
| video_capture::uma::LogVideoCaptureServiceEvent( |
| video_capture::uma::SERVICE_SHUTTING_DOWN_BECAUSE_NO_CLIENT); |
| } |
| |
| void ServiceImpl::OnTimeoutCancelled() { |
| video_capture::uma::LogVideoCaptureServiceEvent( |
| video_capture::uma::SERVICE_SHUTDOWN_TIMEOUT_CANCELED); |
| if (shutdown_timeout_cancelled_cb_) |
| shutdown_timeout_cancelled_cb_.Run(); |
| } |
| |
| void ServiceImpl::OnDeviceFactoryProviderRequest( |
| mojom::DeviceFactoryProviderRequest request) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| LazyInitializeDeviceFactoryProvider(); |
| factory_provider_bindings_.AddBinding(device_factory_provider_.get(), |
| std::move(request)); |
| |
| if (!factory_provider_client_connected_cb_.is_null()) { |
| factory_provider_client_connected_cb_.Run(); |
| } |
| } |
| |
| void ServiceImpl::OnTestingControlsRequest( |
| mojom::TestingControlsRequest request) { |
| DCHECK(thread_checker_.CalledOnValidThread()); |
| mojo::MakeStrongBinding( |
| std::make_unique<TestingControlsImpl>(ref_factory_->CreateRef()), |
| std::move(request)); |
| } |
| |
| void ServiceImpl::LazyInitializeDeviceFactoryProvider() { |
| if (device_factory_provider_) |
| return; |
| |
| device_factory_provider_ = |
| std::make_unique<DeviceFactoryProviderImpl>(ref_factory_->CreateRef()); |
| } |
| |
| void ServiceImpl::OnProviderClientDisconnected() { |
| // Reset factory provider if no client is connected. |
| if (factory_provider_bindings_.empty()) { |
| device_factory_provider_.reset(); |
| } |
| |
| if (!factory_provider_client_disconnected_cb_.is_null()) { |
| factory_provider_client_disconnected_cb_.Run(); |
| } |
| } |
| |
| } // namespace video_capture |