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 MOJO_PUBLIC_APPLICATION_SERVICE_PROVIDER_IMPL_H_ 6 #define MOJO_PUBLIC_APPLICATION_SERVICE_PROVIDER_IMPL_H_ 7 8 #include "mojo/public/cpp/application/lib/service_connector.h" 9 #include "mojo/public/interfaces/application/service_provider.mojom.h" 10 11 namespace mojo { 12 namespace internal { 13 class WeakServiceProvider; 14 class ServiceConnectorBase; 15 } 16 17 // Implements a registry that can be used to expose services to another app. 18 class ServiceProviderImpl : public InterfaceImpl<ServiceProvider> { 19 public: 20 ServiceProviderImpl(); 21 virtual ~ServiceProviderImpl(); 22 23 template <typename Interface> AddService(InterfaceFactory<Interface> * factory)24 void AddService(InterfaceFactory<Interface>* factory) { 25 AddServiceConnector( 26 new internal::InterfaceFactoryConnector<Interface>(factory)); 27 } 28 29 // Returns an instance of a ServiceProvider that weakly wraps this impl's 30 // connection to some other app. Whereas the lifetime of an instance of 31 // ServiceProviderImpl is bound to the lifetime of the pipe it 32 // encapsulates, the lifetime of the ServiceProvider instance returned by this 33 // method is assumed by the caller. After the pipe is closed 34 // ConnectToService() calls on this object will be silently dropped. 35 // This method must only be called once per ServiceProviderImpl. 36 ServiceProvider* CreateRemoteServiceProvider(); 37 38 private: 39 typedef std::map<std::string, internal::ServiceConnectorBase*> 40 NameToServiceConnectorMap; 41 42 friend class internal::WeakServiceProvider; 43 44 // Overridden from ServiceProvider: 45 virtual void ConnectToService( 46 const String& service_name, 47 ScopedMessagePipeHandle client_handle) MOJO_OVERRIDE; 48 49 // Overridden from InterfaceImpl: 50 virtual void OnConnectionError() MOJO_OVERRIDE; 51 52 void AddServiceConnector( 53 internal::ServiceConnectorBase* service_connector); 54 void RemoveServiceConnector( 55 internal::ServiceConnectorBase* service_connector); 56 57 void ClearRemote(); 58 59 NameToServiceConnectorMap service_connectors_; 60 61 internal::WeakServiceProvider* remote_; 62 63 MOJO_DISALLOW_COPY_AND_ASSIGN(ServiceProviderImpl); 64 }; 65 66 } // namespace mojo 67 68 #endif // MOJO_PUBLIC_APPLICATION_SERVICE_PROVIDER_IMPL_H_ 69