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| |
| // based on chrome/browser/chrome_service.cc: |
| // Copyright 2017 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 "service_qt.h" |
| |
| #include "base/no_destructor.h" |
| #include "base/task/post_task.h" |
| #include "components/spellcheck/spellcheck_buildflags.h" |
| #include "content/public/browser/browser_task_traits.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/content_browser_client.h" |
| #include "services/service_manager/public/cpp/binder_registry.h" |
| #include "services/service_manager/public/cpp/connector.h" |
| #include "services/service_manager/public/cpp/service.h" |
| #include "services/service_manager/public/cpp/service_binding.h" |
| |
| #if BUILDFLAG(ENABLE_SPELLCHECK) |
| #include "chrome/browser/spellchecker/spell_check_host_chrome_impl.h" |
| #endif |
| |
| class ServiceQt::IOThreadContext : public service_manager::Service { |
| public: |
| IOThreadContext(); |
| ~IOThreadContext() override = default; |
| |
| void BindServiceRequest(service_manager::mojom::ServiceRequest request); |
| void BindConnector(service_manager::mojom::ConnectorRequest connector_request); |
| |
| private: |
| void BindConnectorOnIOThread(service_manager::mojom::ConnectorRequest connector_request); |
| |
| // service_manager::Service: |
| void OnStart() override; |
| void OnBindInterface(const service_manager::BindSourceInfo &remote_info, |
| const std::string &name, |
| mojo::ScopedMessagePipeHandle handle) override; |
| |
| service_manager::mojom::ConnectorRequest m_connectorRequest; |
| service_manager::ServiceBinding m_serviceBinding{this}; |
| service_manager::BinderRegistry m_registry; |
| service_manager::BinderRegistryWithArgs<const service_manager::BindSourceInfo&> m_registry_with_source_info; |
| |
| DISALLOW_COPY_AND_ASSIGN(IOThreadContext); |
| }; |
| |
| ServiceQt::IOThreadContext::IOThreadContext() |
| { |
| #if BUILDFLAG(ENABLE_SPELLCHECK) |
| scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner = |
| base::CreateSingleThreadTaskRunnerWithTraits({content::BrowserThread::UI}); |
| m_registry_with_source_info.AddInterface(base::BindRepeating(&SpellCheckHostChromeImpl::Create), ui_task_runner); |
| #endif |
| } |
| |
| void ServiceQt::IOThreadContext::BindServiceRequest(service_manager::mojom::ServiceRequest request) |
| { |
| m_serviceBinding.Bind(std::move(request)); |
| } |
| |
| void ServiceQt::IOThreadContext::BindConnector(service_manager::mojom::ConnectorRequest connector_request) |
| { |
| DCHECK_CURRENTLY_ON(content::BrowserThread::UI); |
| |
| // NOTE: It's not safe to modify |connector_request_| here since it's read |
| // on the IO thread. Post a task instead. As long as this task is posted |
| // before any code attempts to connect to the chrome service, there's no |
| // race. |
| base::CreateSingleThreadTaskRunnerWithTraits({content::BrowserThread::IO})->PostTask( |
| FROM_HERE, |
| base::BindOnce(&IOThreadContext::BindConnectorOnIOThread, |
| base::Unretained(this), |
| std::move(connector_request))); |
| } |
| |
| void ServiceQt::IOThreadContext::BindConnectorOnIOThread(service_manager::mojom::ConnectorRequest connector_request) |
| { |
| DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| m_connectorRequest = std::move(connector_request); |
| } |
| |
| void ServiceQt::IOThreadContext::OnStart() |
| { |
| DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| DCHECK(m_connectorRequest.is_pending()); |
| m_serviceBinding.GetConnector()->BindConnectorRequest(std::move(m_connectorRequest)); |
| } |
| |
| void ServiceQt::IOThreadContext::OnBindInterface(const service_manager::BindSourceInfo &remote_info, |
| const std::string &name, |
| mojo::ScopedMessagePipeHandle handle) |
| { |
| DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| content::OverrideOnBindInterface(remote_info, name, &handle); |
| if (!handle.is_valid()) |
| return; |
| |
| if (!m_registry.TryBindInterface(name, &handle)) |
| m_registry_with_source_info.TryBindInterface(name, &handle, remote_info); |
| } |
| |
| ServiceQt *ServiceQt::GetInstance() |
| { |
| static base::NoDestructor<ServiceQt> service; |
| return service.get(); |
| } |
| |
| content::ServiceManagerConnection::ServiceRequestHandler ServiceQt::CreateServiceQtRequestHandler() |
| { |
| return base::BindRepeating(&ServiceQt::BindServiceQtRequest, base::Unretained(this)); |
| } |
| |
| ServiceQt::ServiceQt() : m_ioThreadContext(std::make_unique<IOThreadContext>()) |
| {} |
| |
| ServiceQt::~ServiceQt() = default; |
| |
| void ServiceQt::InitConnector() |
| { |
| service_manager::mojom::ConnectorRequest request; |
| m_connector = service_manager::Connector::Create(&request); |
| m_ioThreadContext->BindConnector(std::move(request)); |
| } |
| |
| void ServiceQt::BindServiceQtRequest(service_manager::mojom::ServiceRequest request) |
| { |
| DCHECK_CURRENTLY_ON(content::BrowserThread::IO); |
| m_ioThreadContext->BindServiceRequest(std::move(request)); |
| } |