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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 PPAPI_PROXY_HOST_DISPATCHER_H_ | 5 #ifndef PPAPI_PROXY_HOST_DISPATCHER_H_ |
6 #define PPAPI_PROXY_HOST_DISPATCHER_H_ | 6 #define PPAPI_PROXY_HOST_DISPATCHER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <string> | 9 #include <string> |
10 #include <vector> | 10 #include <vector> |
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26 | 26 |
27 class PPAPI_PROXY_EXPORT HostDispatcher : public Dispatcher { | 27 class PPAPI_PROXY_EXPORT HostDispatcher : public Dispatcher { |
28 public: | 28 public: |
29 // This interface receives notifications about sync messages being sent by | 29 // This interface receives notifications about sync messages being sent by |
30 // the dispatcher to the plugin process. It is used to detect a hung plugin. | 30 // the dispatcher to the plugin process. It is used to detect a hung plugin. |
31 // | 31 // |
32 // Note that there can be nested sync messages, so the begin/end status | 32 // Note that there can be nested sync messages, so the begin/end status |
33 // actually represents a stack of blocking messages. | 33 // actually represents a stack of blocking messages. |
34 class SyncMessageStatusReceiver : public IPC::ChannelProxy::MessageFilter { | 34 class SyncMessageStatusReceiver : public IPC::ChannelProxy::MessageFilter { |
35 public: | 35 public: |
36 virtual ~SyncMessageStatusReceiver() {} | |
37 | |
38 // Notification that a sync message is about to be sent out. | 36 // Notification that a sync message is about to be sent out. |
39 virtual void BeginBlockOnSyncMessage() = 0; | 37 virtual void BeginBlockOnSyncMessage() = 0; |
40 | 38 |
41 // Notification that a sync message reply was received and the dispatcher | 39 // Notification that a sync message reply was received and the dispatcher |
42 // is no longer blocked on a sync message. | 40 // is no longer blocked on a sync message. |
43 virtual void EndBlockOnSyncMessage() = 0; | 41 virtual void EndBlockOnSyncMessage() = 0; |
| 42 |
| 43 protected: |
| 44 virtual ~SyncMessageStatusReceiver() {} |
44 }; | 45 }; |
45 | 46 |
46 // Constructor for the renderer side. This will take a reference to the | 47 // Constructor for the renderer side. This will take a reference to the |
47 // SyncMessageStatusReceiver. | 48 // SyncMessageStatusReceiver. |
48 // | 49 // |
49 // You must call InitHostWithChannel after the constructor. | 50 // You must call InitHostWithChannel after the constructor. |
50 HostDispatcher(PP_Module module, | 51 HostDispatcher(PP_Module module, |
51 PP_GetInterface_Func local_get_interface, | 52 PP_GetInterface_Func local_get_interface, |
52 SyncMessageStatusReceiver* sync_status); | 53 SyncMessageStatusReceiver* sync_status); |
53 ~HostDispatcher(); | 54 ~HostDispatcher(); |
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144 private: | 145 private: |
145 HostDispatcher* dispatcher_; | 146 HostDispatcher* dispatcher_; |
146 | 147 |
147 DISALLOW_COPY_AND_ASSIGN(ScopedModuleReference); | 148 DISALLOW_COPY_AND_ASSIGN(ScopedModuleReference); |
148 }; | 149 }; |
149 | 150 |
150 } // namespace proxy | 151 } // namespace proxy |
151 } // namespace ppapi | 152 } // namespace ppapi |
152 | 153 |
153 #endif // PPAPI_PROXY_HOST_DISPATCHER_H_ | 154 #endif // PPAPI_PROXY_HOST_DISPATCHER_H_ |
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