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| 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 ~ServiceProviderImpl() override; | |
| 22 | |
| 23 template <typename Interface> | |
| 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 void ConnectToService(const String& service_name, | |
| 46 ScopedMessagePipeHandle client_handle) override; | |
| 47 | |
| 48 // Overridden from InterfaceImpl: | |
| 49 void OnConnectionError() override; | |
| 50 | |
| 51 void AddServiceConnector(internal::ServiceConnectorBase* service_connector); | |
| 52 void RemoveServiceConnector( | |
| 53 internal::ServiceConnectorBase* service_connector); | |
| 54 | |
| 55 void ClearRemote(); | |
| 56 | |
| 57 NameToServiceConnectorMap service_connectors_; | |
| 58 | |
| 59 internal::WeakServiceProvider* remote_; | |
| 60 | |
| 61 MOJO_DISALLOW_COPY_AND_ASSIGN(ServiceProviderImpl); | |
| 62 }; | |
| 63 | |
| 64 } // namespace mojo | |
| 65 | |
| 66 #endif // MOJO_PUBLIC_APPLICATION_SERVICE_PROVIDER_IMPL_H_ | |
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