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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_CONNECTION_H_ | 5 #ifndef MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_CONNECTION_H_ |
6 #define MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_CONNECTION_H_ | 6 #define MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_CONNECTION_H_ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 | 9 |
| 10 #include "base/memory/weak_ptr.h" |
10 #include "mojo/application/public/cpp/lib/interface_factory_connector.h" | 11 #include "mojo/application/public/cpp/lib/interface_factory_connector.h" |
11 #include "mojo/application/public/interfaces/service_provider.mojom.h" | 12 #include "mojo/application/public/interfaces/service_provider.mojom.h" |
12 | 13 |
13 namespace mojo { | 14 namespace mojo { |
14 | 15 |
15 class ServiceConnector; | 16 class ServiceConnector; |
16 | 17 |
17 // Represents a connection to another application. An instance of this class is | 18 // Represents a connection to another application. An instance of this class is |
18 // passed to ApplicationDelegate's ConfigureIncomingConnection() method each | 19 // passed to ApplicationDelegate's ConfigureIncomingConnection() method each |
19 // time a connection is made to this app, and to ApplicationDelegate's | 20 // time a connection is made to this app, and to ApplicationDelegate's |
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38 // been set and an InterfaceFactory has not been registered for the interface | 39 // been set and an InterfaceFactory has not been registered for the interface |
39 // request, than the interface request is sent to the ServiceConnector. | 40 // request, than the interface request is sent to the ServiceConnector. |
40 // | 41 // |
41 // Just as with InterfaceFactory, ServiceConnector must outlive | 42 // Just as with InterfaceFactory, ServiceConnector must outlive |
42 // ApplicationConnection. | 43 // ApplicationConnection. |
43 // | 44 // |
44 // An ApplicationConnection's lifetime is managed by an ApplicationImpl. To | 45 // An ApplicationConnection's lifetime is managed by an ApplicationImpl. To |
45 // close a connection, call CloseConnection which will destroy this object. | 46 // close a connection, call CloseConnection which will destroy this object. |
46 class ApplicationConnection { | 47 class ApplicationConnection { |
47 public: | 48 public: |
48 ApplicationConnection(); | 49 virtual ~ApplicationConnection() {} |
49 | 50 |
50 // Closes the connection and destroys this object. This is the only valid way | 51 class TestApi { |
51 // to destroy this object. | 52 public: |
52 void CloseConnection(); | 53 explicit TestApi(ApplicationConnection* connection) |
| 54 : connection_(connection) { |
| 55 } |
| 56 base::WeakPtr<ApplicationConnection> GetWeakPtr() { |
| 57 return connection_->GetWeakPtr(); |
| 58 } |
| 59 |
| 60 private: |
| 61 ApplicationConnection* connection_; |
| 62 }; |
53 | 63 |
54 // See class description for details. | 64 // See class description for details. |
55 virtual void SetServiceConnector(ServiceConnector* connector) = 0; | 65 virtual void SetServiceConnector(ServiceConnector* connector) = 0; |
56 | 66 |
57 // Makes Interface available as a service to the remote application. | 67 // Makes Interface available as a service to the remote application. |
58 // |factory| will create implementations of Interface on demand. | 68 // |factory| will create implementations of Interface on demand. |
59 // Returns true if the service was exposed, false if capability filtering | 69 // Returns true if the service was exposed, false if capability filtering |
60 // from the shell prevented the service from being exposed. | 70 // from the shell prevented the service from being exposed. |
61 template <typename Interface> | 71 template <typename Interface> |
62 bool AddService(InterfaceFactory<Interface>* factory) { | 72 bool AddService(InterfaceFactory<Interface>* factory) { |
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100 // Returns the local application's ServiceProvider interface. The return | 110 // Returns the local application's ServiceProvider interface. The return |
101 // value is owned by this connection. | 111 // value is owned by this connection. |
102 virtual ServiceProvider* GetLocalServiceProvider() = 0; | 112 virtual ServiceProvider* GetLocalServiceProvider() = 0; |
103 | 113 |
104 // Register a handler to receive an error notification on the pipe to the | 114 // Register a handler to receive an error notification on the pipe to the |
105 // remote application's service provider. | 115 // remote application's service provider. |
106 virtual void SetRemoteServiceProviderConnectionErrorHandler( | 116 virtual void SetRemoteServiceProviderConnectionErrorHandler( |
107 const Closure& handler) = 0; | 117 const Closure& handler) = 0; |
108 | 118 |
109 protected: | 119 protected: |
110 virtual ~ApplicationConnection(); | |
111 | |
112 // Called to give the derived type to perform some cleanup before destruction. | |
113 virtual void OnCloseConnection() = 0; | |
114 | |
115 private: | |
116 // Returns true if the connector was set, false if it was not set (e.g. by | 120 // Returns true if the connector was set, false if it was not set (e.g. by |
117 // some filtering policy preventing this interface from being exposed). | 121 // some filtering policy preventing this interface from being exposed). |
118 virtual bool SetServiceConnectorForName(ServiceConnector* service_connector, | 122 virtual bool SetServiceConnectorForName(ServiceConnector* service_connector, |
119 const std::string& name) = 0; | 123 const std::string& name) = 0; |
120 | 124 |
121 // Ensures that CloseConnection can only be called once and the | 125 virtual base::WeakPtr<ApplicationConnection> GetWeakPtr() = 0; |
122 // ApplicationConnection's destructor can only be called after the connection | |
123 // is closed. | |
124 bool connection_closed_; | |
125 }; | 126 }; |
126 | 127 |
127 } // namespace mojo | 128 } // namespace mojo |
128 | 129 |
129 #endif // MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_CONNECTION_H_ | 130 #endif // MOJO_APPLICATION_PUBLIC_CPP_APPLICATION_CONNECTION_H_ |
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