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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_SHARED_IMPL_RESOURCE_H_ | 5 #ifndef PPAPI_SHARED_IMPL_RESOURCE_H_ |
6 #define PPAPI_SHARED_IMPL_RESOURCE_H_ | 6 #define PPAPI_SHARED_IMPL_RESOURCE_H_ |
7 | 7 |
8 #include <stddef.h> // For NULL. | 8 #include <stddef.h> // For NULL. |
9 | 9 |
10 #include <string> | 10 #include <string> |
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64 F(PPB_WebSocket_API) \ | 64 F(PPB_WebSocket_API) \ |
65 F(PPB_Widget_API) \ | 65 F(PPB_Widget_API) \ |
66 F(PPB_X509Certificate_Private_API) | 66 F(PPB_X509Certificate_Private_API) |
67 | 67 |
68 namespace IPC { | 68 namespace IPC { |
69 class Message; | 69 class Message; |
70 } | 70 } |
71 | 71 |
72 namespace ppapi { | 72 namespace ppapi { |
73 | 73 |
| 74 // Normally we shouldn't reply on proxy here, but this is to support |
| 75 // OnReplyReceived. See that comment. |
| 76 namespace proxy { |
| 77 class ResourceMessageReplyParams; |
| 78 } |
| 79 |
74 // Forward declare all the resource APIs. | 80 // Forward declare all the resource APIs. |
75 namespace thunk { | 81 namespace thunk { |
76 #define DECLARE_RESOURCE_CLASS(RESOURCE) class RESOURCE; | 82 #define DECLARE_RESOURCE_CLASS(RESOURCE) class RESOURCE; |
77 FOR_ALL_PPAPI_RESOURCE_APIS(DECLARE_RESOURCE_CLASS) | 83 FOR_ALL_PPAPI_RESOURCE_APIS(DECLARE_RESOURCE_CLASS) |
78 #undef DECLARE_RESOURCE_CLASS | 84 #undef DECLARE_RESOURCE_CLASS |
79 } // namespace thunk | 85 } // namespace thunk |
80 | 86 |
81 // Resources have slightly different registration behaviors when the're an | 87 // Resources have slightly different registration behaviors when the're an |
82 // in-process ("impl") resource in the host (renderer) process, or when they're | 88 // in-process ("impl") resource in the host (renderer) process, or when they're |
83 // a proxied resource in the plugin process. This enum differentiates those | 89 // a proxied resource in the plugin process. This enum differentiates those |
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159 // return the interface. | 165 // return the interface. |
160 #define DEFINE_TYPE_GETTER(RESOURCE) \ | 166 #define DEFINE_TYPE_GETTER(RESOURCE) \ |
161 virtual thunk::RESOURCE* As##RESOURCE(); | 167 virtual thunk::RESOURCE* As##RESOURCE(); |
162 FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_TYPE_GETTER) | 168 FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_TYPE_GETTER) |
163 #undef DEFINE_TYPE_GETTER | 169 #undef DEFINE_TYPE_GETTER |
164 | 170 |
165 // Template-based dynamic casting. See specializations below. | 171 // Template-based dynamic casting. See specializations below. |
166 template <typename T> T* GetAs() { return NULL; } | 172 template <typename T> T* GetAs() { return NULL; } |
167 | 173 |
168 // Called when a PpapiPluginMsg_ResourceReply reply is received for a | 174 // Called when a PpapiPluginMsg_ResourceReply reply is received for a |
169 // previous CallRenderer. The sequence number is the value returned the | 175 // previous CallRenderer. The message is the nested reply message, which may |
170 // send function for the given request. The message is the nested reply | 176 // be an empty message (depending on what the host sends). |
171 // message, which may be an empty message (depending on what the host | |
172 // sends). | |
173 // | 177 // |
174 // The default implementation will assert (if you send a request, you should | 178 // The default implementation will assert (if you send a request, you should |
175 // override this function). | 179 // override this function). |
176 // | 180 // |
177 // (This function would make more conceptual sense on PluginResource but we | 181 // (This function would make more conceptual sense on PluginResource but we |
178 // need to call this function from general code that doesn't know how to | 182 // need to call this function from general code that doesn't know how to |
179 // distinguish the classes.) | 183 // distinguish the classes.) |
180 virtual void OnReplyReceived(int sequence, | 184 virtual void OnReplyReceived(const proxy::ResourceMessageReplyParams& params, |
181 int32_t result, | |
182 const IPC::Message& msg); | 185 const IPC::Message& msg); |
183 | 186 |
184 protected: | 187 protected: |
185 // Logs a message to the console from this resource. | 188 // Logs a message to the console from this resource. |
186 void Log(PP_LogLevel_Dev level, const std::string& message); | 189 void Log(PP_LogLevel_Dev level, const std::string& message); |
187 | 190 |
188 private: | 191 private: |
189 // See the getters above. | 192 // See the getters above. |
190 PP_Resource pp_resource_; | 193 PP_Resource pp_resource_; |
191 HostResource host_resource_; | 194 HostResource host_resource_; |
192 | 195 |
193 DISALLOW_IMPLICIT_CONSTRUCTORS(Resource); | 196 DISALLOW_IMPLICIT_CONSTRUCTORS(Resource); |
194 }; | 197 }; |
195 | 198 |
196 // Template-based dynamic casting. These specializations forward to the | 199 // Template-based dynamic casting. These specializations forward to the |
197 // AsXXX virtual functions to return whether the given type is supported. | 200 // AsXXX virtual functions to return whether the given type is supported. |
198 #define DEFINE_RESOURCE_CAST(RESOURCE) \ | 201 #define DEFINE_RESOURCE_CAST(RESOURCE) \ |
199 template<> inline thunk::RESOURCE* Resource::GetAs() { \ | 202 template<> inline thunk::RESOURCE* Resource::GetAs() { \ |
200 return As##RESOURCE(); \ | 203 return As##RESOURCE(); \ |
201 } | 204 } |
202 FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_RESOURCE_CAST) | 205 FOR_ALL_PPAPI_RESOURCE_APIS(DEFINE_RESOURCE_CAST) |
203 #undef DEFINE_RESOURCE_CAST | 206 #undef DEFINE_RESOURCE_CAST |
204 | 207 |
205 } // namespace ppapi | 208 } // namespace ppapi |
206 | 209 |
207 #endif // PPAPI_SHARED_IMPL_RESOURCE_H_ | 210 #endif // PPAPI_SHARED_IMPL_RESOURCE_H_ |
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