| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef PPAPI_PROXY_PLUGIN_ARRAY_BUFFER_VAR_H_ |
| #define PPAPI_PROXY_PLUGIN_ARRAY_BUFFER_VAR_H_ |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/shared_memory.h" |
| #include "ppapi/c/pp_instance.h" |
| #include "ppapi/c/pp_stdint.h" |
| #include "ppapi/shared_impl/var.h" |
| |
| namespace ppapi { |
| |
| // Represents a plugin-side ArrayBufferVar. In the plugin process, it's |
| // owned as a vector. |
| class PluginArrayBufferVar : public ArrayBufferVar { |
| public: |
| explicit PluginArrayBufferVar(uint32_t size_in_bytes); |
| PluginArrayBufferVar(uint32_t size_in_bytes, |
| base::SharedMemoryHandle plugin_handle); |
| ~PluginArrayBufferVar() override; |
| |
| // ArrayBufferVar implementation. |
| void* Map() override; |
| void Unmap() override; |
| uint32_t ByteLength() override; |
| bool CopyToNewShmem( |
| PP_Instance instance, |
| int* host_handle, |
| base::SharedMemoryHandle* plugin_handle) override; |
| |
| private: |
| // Non-shared memory |
| std::vector<uint8_t> buffer_; |
| |
| // Shared memory |
| base::SharedMemoryHandle plugin_handle_; |
| std::unique_ptr<base::SharedMemory> shmem_; |
| uint32_t size_in_bytes_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PluginArrayBufferVar); |
| }; |
| |
| } // namespace ppapi |
| |
| #endif // PPAPI_PROXY_PLUGIN_ARRAY_BUFFER_VAR_H_ |