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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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_RAW_VAR_DATA_H_ | 5 #ifndef PPAPI_PROXY_RAW_VAR_DATA_H_ |
6 #define PPAPI_PROXY_RAW_VAR_DATA_H_ | 6 #define PPAPI_PROXY_RAW_VAR_DATA_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/callback.h" | 10 #include "base/callback.h" |
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122 bool initialized() { return initialized_; } | 122 bool initialized() { return initialized_; } |
123 | 123 |
124 protected: | 124 protected: |
125 bool initialized_; | 125 bool initialized_; |
126 }; | 126 }; |
127 | 127 |
128 // A RawVarData class for PP_Vars which are value types. | 128 // A RawVarData class for PP_Vars which are value types. |
129 class BasicRawVarData : public RawVarData { | 129 class BasicRawVarData : public RawVarData { |
130 public: | 130 public: |
131 BasicRawVarData(); | 131 BasicRawVarData(); |
132 virtual ~BasicRawVarData(); | 132 ~BasicRawVarData() override; |
133 | 133 |
134 // RawVarData implementation. | 134 // RawVarData implementation. |
135 virtual PP_VarType Type() override; | 135 PP_VarType Type() override; |
136 virtual bool Init(const PP_Var& var, PP_Instance instance) override; | 136 bool Init(const PP_Var& var, PP_Instance instance) override; |
137 virtual PP_Var CreatePPVar(PP_Instance instance) override; | 137 PP_Var CreatePPVar(PP_Instance instance) override; |
138 virtual void PopulatePPVar(const PP_Var& var, | 138 void PopulatePPVar(const PP_Var& var, |
139 const std::vector<PP_Var>& graph) override; | 139 const std::vector<PP_Var>& graph) override; |
140 virtual void Write(IPC::Message* m, | 140 void Write(IPC::Message* m, const HandleWriter& handle_writer) override; |
141 const HandleWriter& handle_writer) override; | 141 bool Read(PP_VarType type, |
142 virtual bool Read(PP_VarType type, | 142 const IPC::Message* m, |
143 const IPC::Message* m, | 143 PickleIterator* iter) override; |
144 PickleIterator* iter) override; | |
145 | 144 |
146 private: | 145 private: |
147 PP_Var var_; | 146 PP_Var var_; |
148 }; | 147 }; |
149 | 148 |
150 // A RawVarData class for string PP_Vars. | 149 // A RawVarData class for string PP_Vars. |
151 class StringRawVarData : public RawVarData { | 150 class StringRawVarData : public RawVarData { |
152 public: | 151 public: |
153 StringRawVarData(); | 152 StringRawVarData(); |
154 virtual ~StringRawVarData(); | 153 ~StringRawVarData() override; |
155 | 154 |
156 // RawVarData implementation. | 155 // RawVarData implementation. |
157 virtual PP_VarType Type() override; | 156 PP_VarType Type() override; |
158 virtual bool Init(const PP_Var& var, PP_Instance instance) override; | 157 bool Init(const PP_Var& var, PP_Instance instance) override; |
159 virtual PP_Var CreatePPVar(PP_Instance instance) override; | 158 PP_Var CreatePPVar(PP_Instance instance) override; |
160 virtual void PopulatePPVar(const PP_Var& var, | 159 void PopulatePPVar(const PP_Var& var, |
161 const std::vector<PP_Var>& graph) override; | 160 const std::vector<PP_Var>& graph) override; |
162 virtual void Write(IPC::Message* m, | 161 void Write(IPC::Message* m, const HandleWriter& handle_writer) override; |
163 const HandleWriter& handle_writer) override; | 162 bool Read(PP_VarType type, |
164 virtual bool Read(PP_VarType type, | 163 const IPC::Message* m, |
165 const IPC::Message* m, | 164 PickleIterator* iter) override; |
166 PickleIterator* iter) override; | |
167 | 165 |
168 private: | 166 private: |
169 // The data in the string. | 167 // The data in the string. |
170 std::string data_; | 168 std::string data_; |
171 }; | 169 }; |
172 | 170 |
173 // A RawVarData class for array buffer PP_Vars. | 171 // A RawVarData class for array buffer PP_Vars. |
174 class ArrayBufferRawVarData : public RawVarData { | 172 class ArrayBufferRawVarData : public RawVarData { |
175 public: | 173 public: |
176 // Enum for array buffer message types. | 174 // Enum for array buffer message types. |
177 enum ShmemType { | 175 enum ShmemType { |
178 ARRAY_BUFFER_NO_SHMEM, | 176 ARRAY_BUFFER_NO_SHMEM, |
179 ARRAY_BUFFER_SHMEM_HOST, | 177 ARRAY_BUFFER_SHMEM_HOST, |
180 ARRAY_BUFFER_SHMEM_PLUGIN, | 178 ARRAY_BUFFER_SHMEM_PLUGIN, |
181 }; | 179 }; |
182 | 180 |
183 ArrayBufferRawVarData(); | 181 ArrayBufferRawVarData(); |
184 virtual ~ArrayBufferRawVarData(); | 182 ~ArrayBufferRawVarData() override; |
185 | 183 |
186 // RawVarData implementation. | 184 // RawVarData implementation. |
187 virtual PP_VarType Type() override; | 185 PP_VarType Type() override; |
188 virtual bool Init(const PP_Var& var, PP_Instance instance) override; | 186 bool Init(const PP_Var& var, PP_Instance instance) override; |
189 virtual PP_Var CreatePPVar(PP_Instance instance) override; | 187 PP_Var CreatePPVar(PP_Instance instance) override; |
190 virtual void PopulatePPVar(const PP_Var& var, | 188 void PopulatePPVar(const PP_Var& var, |
191 const std::vector<PP_Var>& graph) override; | 189 const std::vector<PP_Var>& graph) override; |
192 virtual void Write(IPC::Message* m, | 190 void Write(IPC::Message* m, const HandleWriter& handle_writer) override; |
193 const HandleWriter& handle_writer) override; | 191 bool Read(PP_VarType type, |
194 virtual bool Read(PP_VarType type, | 192 const IPC::Message* m, |
195 const IPC::Message* m, | 193 PickleIterator* iter) override; |
196 PickleIterator* iter) override; | 194 SerializedHandle* GetHandle() override; |
197 virtual SerializedHandle* GetHandle() override; | |
198 | 195 |
199 private: | 196 private: |
200 // The type of the storage underlying the array buffer. | 197 // The type of the storage underlying the array buffer. |
201 ShmemType type_; | 198 ShmemType type_; |
202 // The data in the buffer. Valid for |type_| == ARRAY_BUFFER_NO_SHMEM. | 199 // The data in the buffer. Valid for |type_| == ARRAY_BUFFER_NO_SHMEM. |
203 std::string data_; | 200 std::string data_; |
204 // Host shmem handle. Valid for |type_| == ARRAY_BUFFER_SHMEM_HOST. | 201 // Host shmem handle. Valid for |type_| == ARRAY_BUFFER_SHMEM_HOST. |
205 int host_shm_handle_id_; | 202 int host_shm_handle_id_; |
206 // Plugin shmem handle. Valid for |type_| == ARRAY_BUFFER_SHMEM_PLUGIN. | 203 // Plugin shmem handle. Valid for |type_| == ARRAY_BUFFER_SHMEM_PLUGIN. |
207 SerializedHandle plugin_shm_handle_; | 204 SerializedHandle plugin_shm_handle_; |
208 }; | 205 }; |
209 | 206 |
210 // A RawVarData class for array PP_Vars. | 207 // A RawVarData class for array PP_Vars. |
211 class ArrayRawVarData : public RawVarData { | 208 class ArrayRawVarData : public RawVarData { |
212 public: | 209 public: |
213 ArrayRawVarData(); | 210 ArrayRawVarData(); |
214 virtual ~ArrayRawVarData(); | 211 ~ArrayRawVarData() override; |
215 | 212 |
216 void AddChild(size_t element); | 213 void AddChild(size_t element); |
217 | 214 |
218 // RawVarData implementation. | 215 // RawVarData implementation. |
219 virtual PP_VarType Type() override; | 216 PP_VarType Type() override; |
220 virtual bool Init(const PP_Var& var, PP_Instance instance) override; | 217 bool Init(const PP_Var& var, PP_Instance instance) override; |
221 virtual PP_Var CreatePPVar(PP_Instance instance) override; | 218 PP_Var CreatePPVar(PP_Instance instance) override; |
222 virtual void PopulatePPVar(const PP_Var& var, | 219 void PopulatePPVar(const PP_Var& var, |
223 const std::vector<PP_Var>& graph) override; | 220 const std::vector<PP_Var>& graph) override; |
224 virtual void Write(IPC::Message* m, | 221 void Write(IPC::Message* m, const HandleWriter& handle_writer) override; |
225 const HandleWriter& handle_writer) override; | 222 bool Read(PP_VarType type, |
226 virtual bool Read(PP_VarType type, | 223 const IPC::Message* m, |
227 const IPC::Message* m, | 224 PickleIterator* iter) override; |
228 PickleIterator* iter) override; | |
229 | 225 |
230 private: | 226 private: |
231 std::vector<size_t> children_; | 227 std::vector<size_t> children_; |
232 }; | 228 }; |
233 | 229 |
234 // A RawVarData class for dictionary PP_Vars. | 230 // A RawVarData class for dictionary PP_Vars. |
235 class DictionaryRawVarData : public RawVarData { | 231 class DictionaryRawVarData : public RawVarData { |
236 public: | 232 public: |
237 DictionaryRawVarData(); | 233 DictionaryRawVarData(); |
238 virtual ~DictionaryRawVarData(); | 234 ~DictionaryRawVarData() override; |
239 | 235 |
240 void AddChild(const std::string& key, size_t value); | 236 void AddChild(const std::string& key, size_t value); |
241 | 237 |
242 // RawVarData implementation. | 238 // RawVarData implementation. |
243 virtual PP_VarType Type() override; | 239 PP_VarType Type() override; |
244 virtual bool Init(const PP_Var& var, PP_Instance instance) override; | 240 bool Init(const PP_Var& var, PP_Instance instance) override; |
245 virtual PP_Var CreatePPVar(PP_Instance instance) override; | 241 PP_Var CreatePPVar(PP_Instance instance) override; |
246 virtual void PopulatePPVar(const PP_Var& var, | 242 void PopulatePPVar(const PP_Var& var, |
247 const std::vector<PP_Var>& graph) override; | 243 const std::vector<PP_Var>& graph) override; |
248 virtual void Write(IPC::Message* m, | 244 void Write(IPC::Message* m, const HandleWriter& handle_writer) override; |
249 const HandleWriter& handle_writer) override; | 245 bool Read(PP_VarType type, |
250 virtual bool Read(PP_VarType type, | 246 const IPC::Message* m, |
251 const IPC::Message* m, | 247 PickleIterator* iter) override; |
252 PickleIterator* iter) override; | |
253 | 248 |
254 private: | 249 private: |
255 std::vector<std::pair<std::string, size_t> > children_; | 250 std::vector<std::pair<std::string, size_t> > children_; |
256 }; | 251 }; |
257 | 252 |
258 // A RawVarData class for resource PP_Vars. | 253 // A RawVarData class for resource PP_Vars. |
259 // This class does not hold a reference on the PP_Resource that is being | 254 // This class does not hold a reference on the PP_Resource that is being |
260 // serialized. If sending a resource from the plugin to the host, the plugin | 255 // serialized. If sending a resource from the plugin to the host, the plugin |
261 // should not release the ResourceVar before sending the serialized message to | 256 // should not release the ResourceVar before sending the serialized message to |
262 // the host, and the host should immediately consume the ResourceVar before | 257 // the host, and the host should immediately consume the ResourceVar before |
263 // processing further messages. | 258 // processing further messages. |
264 class ResourceRawVarData : public RawVarData { | 259 class ResourceRawVarData : public RawVarData { |
265 public: | 260 public: |
266 ResourceRawVarData(); | 261 ResourceRawVarData(); |
267 virtual ~ResourceRawVarData(); | 262 ~ResourceRawVarData() override; |
268 | 263 |
269 // RawVarData implementation. | 264 // RawVarData implementation. |
270 virtual PP_VarType Type() override; | 265 PP_VarType Type() override; |
271 virtual bool Init(const PP_Var& var, PP_Instance instance) override; | 266 bool Init(const PP_Var& var, PP_Instance instance) override; |
272 virtual PP_Var CreatePPVar(PP_Instance instance) override; | 267 PP_Var CreatePPVar(PP_Instance instance) override; |
273 virtual void PopulatePPVar(const PP_Var& var, | 268 void PopulatePPVar(const PP_Var& var, |
274 const std::vector<PP_Var>& graph) override; | 269 const std::vector<PP_Var>& graph) override; |
275 virtual void Write(IPC::Message* m, | 270 void Write(IPC::Message* m, const HandleWriter& handle_writer) override; |
276 const HandleWriter& handle_writer) override; | 271 bool Read(PP_VarType type, |
277 virtual bool Read(PP_VarType type, | 272 const IPC::Message* m, |
278 const IPC::Message* m, | 273 PickleIterator* iter) override; |
279 PickleIterator* iter) override; | |
280 | 274 |
281 private: | 275 private: |
282 // Resource ID in the plugin. If one has not yet been created, this is 0. | 276 // Resource ID in the plugin. If one has not yet been created, this is 0. |
283 // This is a borrowed reference; the resource's refcount is not incremented. | 277 // This is a borrowed reference; the resource's refcount is not incremented. |
284 PP_Resource pp_resource_; | 278 PP_Resource pp_resource_; |
285 | 279 |
286 // Pending resource host ID in the renderer. | 280 // Pending resource host ID in the renderer. |
287 int pending_renderer_host_id_; | 281 int pending_renderer_host_id_; |
288 | 282 |
289 // Pending resource host ID in the browser. | 283 // Pending resource host ID in the browser. |
290 int pending_browser_host_id_; | 284 int pending_browser_host_id_; |
291 | 285 |
292 // A message containing information about how to create a plugin-side | 286 // A message containing information about how to create a plugin-side |
293 // resource. The message type will vary based on the resource type, and will | 287 // resource. The message type will vary based on the resource type, and will |
294 // usually contain a pending resource host ID, and other required information. | 288 // usually contain a pending resource host ID, and other required information. |
295 // If the resource was created directly, this is NULL. | 289 // If the resource was created directly, this is NULL. |
296 scoped_ptr<IPC::Message> creation_message_; | 290 scoped_ptr<IPC::Message> creation_message_; |
297 }; | 291 }; |
298 | 292 |
299 } // namespace proxy | 293 } // namespace proxy |
300 } // namespace ppapi | 294 } // namespace ppapi |
301 | 295 |
302 #endif // PPAPI_PROXY_RAW_VAR_DATA_H_ | 296 #endif // PPAPI_PROXY_RAW_VAR_DATA_H_ |
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