1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CONTENT_COMMON_MOJO_SERVICE_REGISTRY_IMPL_H_ 6 #define CONTENT_COMMON_MOJO_SERVICE_REGISTRY_IMPL_H_ 7 8 #include <map> 9 #include <queue> 10 #include <string> 11 #include <utility> 12 13 #include "base/callback.h" 14 #include "base/memory/weak_ptr.h" 15 #include "content/public/common/service_registry.h" 16 #include "mojo/public/cpp/bindings/interface_impl.h" 17 #include "mojo/public/cpp/system/core.h" 18 #include "mojo/public/interfaces/application/service_provider.mojom.h" 19 20 namespace content { 21 22 class ServiceRegistryImpl : public ServiceRegistry, 23 public mojo::InterfaceImpl<mojo::ServiceProvider> { 24 public: 25 ServiceRegistryImpl(); 26 explicit ServiceRegistryImpl(mojo::ScopedMessagePipeHandle handle); 27 virtual ~ServiceRegistryImpl(); 28 29 // Binds to a remote ServiceProvider. This will expose added services to the 30 // remote ServiceProvider with the corresponding handle and enable 31 // ConnectToRemoteService to provide access to services exposed by the remote 32 // ServiceProvider. 33 void BindRemoteServiceProvider(mojo::ScopedMessagePipeHandle handle); 34 35 // ServiceRegistry overrides. 36 virtual void AddService( 37 const std::string& service_name, 38 const base::Callback<void(mojo::ScopedMessagePipeHandle)> service_factory) 39 OVERRIDE; 40 virtual void RemoveService(const std::string& service_name) OVERRIDE; 41 virtual void ConnectToRemoteService( 42 const base::StringPiece& service_name, 43 mojo::ScopedMessagePipeHandle handle) OVERRIDE; 44 45 base::WeakPtr<ServiceRegistry> GetWeakPtr(); 46 47 private: 48 // mojo::InterfaceImpl<mojo::ServiceProvider> overrides. 49 virtual void ConnectToService( 50 const mojo::String& name, 51 mojo::ScopedMessagePipeHandle client_handle) OVERRIDE; 52 virtual void OnConnectionError() OVERRIDE; 53 54 std::map<std::string, base::Callback<void(mojo::ScopedMessagePipeHandle)> > 55 service_factories_; 56 std::queue<std::pair<std::string, mojo::MessagePipeHandle> > 57 pending_connects_; 58 bool bound_; 59 60 base::WeakPtrFactory<ServiceRegistry> weak_factory_; 61 }; 62 63 } // namespace content 64 65 #endif // CONTENT_COMMON_MOJO_SERVICE_REGISTRY_IMPL_H_ 66