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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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