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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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