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| 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
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bbudge
2011/08/16 22:40:49
2011
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| 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_CALLBACK_TRACKER_H_ | 5 #ifndef PPAPI_PROXY_CALLBACK_TRACKER_H_ |
| 6 #define PPAPI_PROXY_CALLBACK_TRACKER_H_ | 6 #define PPAPI_PROXY_CALLBACK_TRACKER_H_ |
| 7 | 7 |
| 8 #include <map> | 8 #include <map> |
| 9 | 9 |
| 10 #include "ppapi/c/pp_completion_callback.h" | 10 #include "ppapi/c/pp_completion_callback.h" |
| 11 #include "ppapi/c/pp_stdint.h" | 11 #include "ppapi/c/pp_stdint.h" |
| 12 | 12 |
| 13 namespace pp { | 13 namespace ppapi { |
| 14 namespace proxy { | 14 namespace proxy { |
| 15 | 15 |
| 16 class Dispatcher; | 16 class Dispatcher; |
| 17 | 17 |
| 18 // This object tracks cross-process callbacks. When the plugin sends a callback | 18 // This object tracks cross-process callbacks. When the plugin sends a callback |
| 19 // object to the renderer, we save the information and pass an identifier | 19 // object to the renderer, we save the information and pass an identifier |
| 20 // instead. | 20 // instead. |
| 21 // | 21 // |
| 22 // On the renderer side, this identifier is converted to a new callback in that | 22 // On the renderer side, this identifier is converted to a new callback in that |
| 23 // process. When executed, this new callback sends an IPC message containing the | 23 // process. When executed, this new callback sends an IPC message containing the |
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| 54 Dispatcher* dispatcher_; | 54 Dispatcher* dispatcher_; |
| 55 | 55 |
| 56 int32_t next_callback_id_; | 56 int32_t next_callback_id_; |
| 57 | 57 |
| 58 // Maps callback IDs to the actual callback objects in the plugin process. | 58 // Maps callback IDs to the actual callback objects in the plugin process. |
| 59 typedef std::map<int32_t, PP_CompletionCallback> CallbackMap; | 59 typedef std::map<int32_t, PP_CompletionCallback> CallbackMap; |
| 60 CallbackMap callback_map_; | 60 CallbackMap callback_map_; |
| 61 }; | 61 }; |
| 62 | 62 |
| 63 } // namespace proxy | 63 } // namespace proxy |
| 64 } // namespace pp | 64 } // namespace ppapi |
| 65 | 65 |
| 66 #endif // PPAPI_PROXY_CALLBACK_TRACKER_H_ | 66 #endif // PPAPI_PROXY_CALLBACK_TRACKER_H_ |
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