[email protected] | 3252338 | 2011-06-10 02:30:00 | [diff] [blame] | 1 | // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef PPAPI_PPB_BUFFER_PROXY_H_ |
| 6 | #define PPAPI_PPB_BUFFER_PROXY_H_ |
| 7 | |
[email protected] | 3252338 | 2011-06-10 02:30:00 | [diff] [blame] | 8 | #include "base/shared_memory.h" |
[email protected] | 859a7f3 | 2011-01-15 03:44:13 | [diff] [blame] | 9 | #include "ppapi/c/pp_instance.h" |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 10 | #include "ppapi/proxy/interface_proxy.h" |
[email protected] | 7ace8ad | 2011-08-06 03:23:58 | [diff] [blame] | 11 | #include "ppapi/proxy/plugin_resource.h" |
| 12 | #include "ppapi/thunk/ppb_buffer_api.h" |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 13 | |
| 14 | struct PPB_Buffer_Dev; |
| 15 | |
| 16 | namespace pp { |
| 17 | namespace proxy { |
| 18 | |
[email protected] | f24448db | 2011-01-27 20:40:39 | [diff] [blame] | 19 | class HostResource; |
| 20 | |
[email protected] | 7ace8ad | 2011-08-06 03:23:58 | [diff] [blame] | 21 | class Buffer : public ppapi::thunk::PPB_Buffer_API, |
| 22 | public PluginResource { |
| 23 | public: |
| 24 | Buffer(const HostResource& resource, |
| 25 | const base::SharedMemoryHandle& shm_handle, |
| 26 | uint32_t size); |
| 27 | virtual ~Buffer(); |
| 28 | |
| 29 | // Resource overrides. |
| 30 | virtual Buffer* AsBuffer() OVERRIDE; |
| 31 | |
| 32 | // ResourceObjectBase overrides. |
| 33 | virtual ppapi::thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE; |
| 34 | |
| 35 | // PPB_Buffer_API implementation. |
| 36 | virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE; |
| 37 | virtual PP_Bool IsMapped() OVERRIDE; |
| 38 | virtual void* Map() OVERRIDE; |
| 39 | virtual void Unmap() OVERRIDE; |
| 40 | |
| 41 | private: |
| 42 | base::SharedMemory shm_; |
| 43 | uint32_t size_; |
| 44 | void* mapped_data_; |
| 45 | int map_count_; |
| 46 | |
| 47 | DISALLOW_COPY_AND_ASSIGN(Buffer); |
| 48 | }; |
| 49 | |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 50 | class PPB_Buffer_Proxy : public InterfaceProxy { |
| 51 | public: |
| 52 | PPB_Buffer_Proxy(Dispatcher* dispatcher, const void* target_interface); |
| 53 | virtual ~PPB_Buffer_Proxy(); |
| 54 | |
[email protected] | 465faa2 | 2011-02-08 16:31:46 | [diff] [blame] | 55 | static const Info* GetInfo(); |
| 56 | |
[email protected] | 9815108e | 2011-05-27 21:50:28 | [diff] [blame] | 57 | static PP_Resource CreateProxyResource(PP_Instance instance, |
| 58 | uint32_t size); |
[email protected] | 0fa46e8 | 2011-08-09 07:31:49 | [diff] [blame^] | 59 | static PP_Resource AddProxyResource(const HostResource& resource, |
| 60 | base::SharedMemoryHandle shm_handle, |
| 61 | uint32_t size); |
[email protected] | 9815108e | 2011-05-27 21:50:28 | [diff] [blame] | 62 | |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 63 | const PPB_Buffer_Dev* ppb_buffer_target() const { |
| 64 | return static_cast<const PPB_Buffer_Dev*>(target_interface()); |
| 65 | } |
| 66 | |
| 67 | // InterfaceProxy implementation. |
[email protected] | a95986a8 | 2010-12-24 06:19:28 | [diff] [blame] | 68 | virtual bool OnMessageReceived(const IPC::Message& msg); |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 69 | |
| 70 | private: |
| 71 | // Message handlers. |
[email protected] | 859a7f3 | 2011-01-15 03:44:13 | [diff] [blame] | 72 | void OnMsgCreate(PP_Instance instance, |
[email protected] | 867b76d63 | 2010-12-02 00:09:07 | [diff] [blame] | 73 | uint32_t size, |
[email protected] | f24448db | 2011-01-27 20:40:39 | [diff] [blame] | 74 | HostResource* result_resource, |
[email protected] | 3252338 | 2011-06-10 02:30:00 | [diff] [blame] | 75 | base::SharedMemoryHandle* result_shm_handle); |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 76 | }; |
| 77 | |
| 78 | } // namespace proxy |
| 79 | } // namespace pp |
| 80 | |
| 81 | #endif // PPAPI_PPB_BUFFER_PROXY_H_ |