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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_PPB_IMAGE_DATA_PROXY_H_ | 5 #ifndef PPAPI_PPB_IMAGE_DATA_PROXY_H_ |
6 #define PPAPI_PPB_IMAGE_DATA_PROXY_H_ | 6 #define PPAPI_PPB_IMAGE_DATA_PROXY_H_ |
7 | 7 |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/memory/shared_memory.h" | 9 #include "base/memory/shared_memory.h" |
10 #include "build/build_config.h" | 10 #include "build/build_config.h" |
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41 public: | 41 public: |
42 ~ImageData() override; | 42 ~ImageData() override; |
43 | 43 |
44 // Resource overrides. | 44 // Resource overrides. |
45 ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() override; | 45 ppapi::thunk::PPB_ImageData_API* AsPPB_ImageData_API() override; |
46 void LastPluginRefWasDeleted() override; | 46 void LastPluginRefWasDeleted() override; |
47 void InstanceWasDeleted() override; | 47 void InstanceWasDeleted() override; |
48 | 48 |
49 // PPB_ImageData API. | 49 // PPB_ImageData API. |
50 PP_Bool Describe(PP_ImageDataDesc* desc) override; | 50 PP_Bool Describe(PP_ImageDataDesc* desc) override; |
51 int32_t GetSharedMemory(int* handle, uint32_t* byte_count) override; | 51 int32_t GetSharedMemory(base::SharedMemoryHandle* handle, |
| 52 uint32_t* byte_count) override; |
52 void SetIsCandidateForReuse() override; | 53 void SetIsCandidateForReuse() override; |
53 | 54 |
54 PPB_ImageData_Shared::ImageDataType type() const { return type_; } | 55 PPB_ImageData_Shared::ImageDataType type() const { return type_; } |
55 const PP_ImageDataDesc& desc() const { return desc_; } | 56 const PP_ImageDataDesc& desc() const { return desc_; } |
56 | 57 |
57 // Prepares this image data to be recycled to the plugin. Clears the contents | 58 // Prepares this image data to be recycled to the plugin. Clears the contents |
58 // if zero_contents is true. | 59 // if zero_contents is true. |
59 void RecycleToPlugin(bool zero_contents); | 60 void RecycleToPlugin(bool zero_contents); |
60 | 61 |
61 protected: | 62 protected: |
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149 // |image_handle| and |byte_count| contain the result of GetSharedMemory. | 150 // |image_handle| and |byte_count| contain the result of GetSharedMemory. |
150 // NOTE: if |init_to_zero| is false, you should write over the entire image | 151 // NOTE: if |init_to_zero| is false, you should write over the entire image |
151 // to avoid leaking sensitive data to a less privileged process. | 152 // to avoid leaking sensitive data to a less privileged process. |
152 PPAPI_PROXY_EXPORT static PP_Resource CreateImageData( | 153 PPAPI_PROXY_EXPORT static PP_Resource CreateImageData( |
153 PP_Instance instance, | 154 PP_Instance instance, |
154 PPB_ImageData_Shared::ImageDataType type, | 155 PPB_ImageData_Shared::ImageDataType type, |
155 PP_ImageDataFormat format, | 156 PP_ImageDataFormat format, |
156 const PP_Size& size, | 157 const PP_Size& size, |
157 bool init_to_zero, | 158 bool init_to_zero, |
158 PP_ImageDataDesc* desc, | 159 PP_ImageDataDesc* desc, |
159 IPC::PlatformFileForTransit* image_handle, | 160 base::SharedMemoryHandle* image_handle, |
160 uint32_t* byte_count); | 161 uint32_t* byte_count); |
161 | 162 |
162 static const ApiID kApiID = API_ID_PPB_IMAGE_DATA; | 163 static const ApiID kApiID = API_ID_PPB_IMAGE_DATA; |
163 | 164 |
164 private: | 165 private: |
165 // Plugin->Host message handlers. | 166 // Plugin->Host message handlers. |
166 void OnHostMsgCreatePlatform( | 167 void OnHostMsgCreatePlatform( |
167 PP_Instance instance, | 168 PP_Instance instance, |
168 int32_t format, | 169 int32_t format, |
169 const PP_Size& size, | 170 const PP_Size& size, |
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183 // Host->Plugin message handlers. | 184 // Host->Plugin message handlers. |
184 void OnPluginMsgNotifyUnusedImageData(const HostResource& old_image_data); | 185 void OnPluginMsgNotifyUnusedImageData(const HostResource& old_image_data); |
185 | 186 |
186 DISALLOW_COPY_AND_ASSIGN(PPB_ImageData_Proxy); | 187 DISALLOW_COPY_AND_ASSIGN(PPB_ImageData_Proxy); |
187 }; | 188 }; |
188 | 189 |
189 } // namespace proxy | 190 } // namespace proxy |
190 } // namespace ppapi | 191 } // namespace ppapi |
191 | 192 |
192 #endif // PPAPI_PPB_IMAGE_DATA_PROXY_H_ | 193 #endif // PPAPI_PPB_IMAGE_DATA_PROXY_H_ |
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