| // 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/navigation/navigation.h" |
| |
| #include "base/bind.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/message_loop/message_loop.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "mojo/public/cpp/bindings/strong_binding.h" |
| #include "services/navigation/view_impl.h" |
| #include "services/service_manager/public/cpp/connector.h" |
| #include "services/service_manager/public/cpp/interface_registry.h" |
| #include "services/service_manager/public/cpp/service_context.h" |
| |
| namespace navigation { |
| |
| namespace { |
| |
| void CreateViewOnViewTaskRunner( |
| std::unique_ptr<service_manager::Connector> connector, |
| const std::string& client_user_id, |
| mojom::ViewClientPtr client, |
| mojom::ViewRequest request, |
| std::unique_ptr<service_manager::ServiceContextRef> context_ref) { |
| mojo::MakeStrongBinding( |
| base::MakeUnique<ViewImpl>(std::move(connector), client_user_id, |
| std::move(client), std::move(context_ref)), |
| std::move(request)); |
| } |
| |
| } // namespace |
| |
| std::unique_ptr<service_manager::Service> CreateNavigationService() { |
| return base::MakeUnique<Navigation>(); |
| } |
| |
| Navigation::Navigation() |
| : view_task_runner_(base::ThreadTaskRunnerHandle::Get()), |
| ref_factory_(base::MessageLoop::QuitWhenIdleClosure()) { |
| bindings_.set_connection_error_handler( |
| base::Bind(&Navigation::ViewFactoryLost, base::Unretained(this))); |
| registry_.AddInterface<mojom::ViewFactory>(this); |
| } |
| Navigation::~Navigation() {} |
| |
| void Navigation::OnBindInterface( |
| const service_manager::ServiceInfo& source_info, |
| const std::string& interface_name, |
| mojo::ScopedMessagePipeHandle interface_pipe) { |
| std::string remote_user_id = source_info.identity.user_id(); |
| if (!client_user_id_.empty() && client_user_id_ != remote_user_id) { |
| LOG(ERROR) << "Must have a separate Navigation service instance for " |
| << "different BrowserContexts."; |
| return; |
| } |
| client_user_id_ = remote_user_id; |
| registry_.BindInterface(source_info.identity, interface_name, |
| std::move(interface_pipe)); |
| } |
| |
| void Navigation::CreateView(mojom::ViewClientPtr client, |
| mojom::ViewRequest request) { |
| std::unique_ptr<service_manager::Connector> new_connector = |
| context()->connector()->Clone(); |
| std::unique_ptr<service_manager::ServiceContextRef> context_ref = |
| ref_factory_.CreateRef(); |
| view_task_runner_->PostTask( |
| FROM_HERE, |
| base::Bind(&CreateViewOnViewTaskRunner, base::Passed(&new_connector), |
| client_user_id_, base::Passed(&client), base::Passed(&request), |
| base::Passed(&context_ref))); |
| } |
| |
| void Navigation::Create(const service_manager::Identity& remote_identity, |
| mojom::ViewFactoryRequest request) { |
| bindings_.AddBinding(this, std::move(request)); |
| refs_.insert(ref_factory_.CreateRef()); |
| } |
| |
| void Navigation::ViewFactoryLost() { |
| refs_.erase(refs_.begin()); |
| } |
| |
| } // navigation |