[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] | 7f8b26b | 2011-08-18 15:41:01 | [diff] [blame] | 11 | #include "ppapi/shared_impl/resource.h" |
[email protected] | 7ace8ad | 2011-08-06 03:23:58 | [diff] [blame] | 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 | |||||
[email protected] | be0a84b | 2011-08-13 04:18:44 | [diff] [blame] | 16 | namespace ppapi { |
[email protected] | be0a84b | 2011-08-13 04:18:44 | [diff] [blame] | 17 | |
[email protected] | 4d2efd2 | 2011-08-18 21:58:02 | [diff] [blame] | 18 | class HostResource; |
19 | |||||
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 20 | namespace proxy { |
21 | |||||
[email protected] | 4d2efd2 | 2011-08-18 21:58:02 | [diff] [blame] | 22 | class Buffer : public thunk::PPB_Buffer_API, public Resource { |
[email protected] | 7ace8ad | 2011-08-06 03:23:58 | [diff] [blame] | 23 | public: |
[email protected] | 4d2efd2 | 2011-08-18 21:58:02 | [diff] [blame] | 24 | Buffer(const HostResource& resource, |
[email protected] | 7ace8ad | 2011-08-06 03:23:58 | [diff] [blame] | 25 | const base::SharedMemoryHandle& shm_handle, |
26 | uint32_t size); | ||||
27 | virtual ~Buffer(); | ||||
28 | |||||
[email protected] | 7f8b26b | 2011-08-18 15:41:01 | [diff] [blame] | 29 | // Resource overrides. |
[email protected] | 4d2efd2 | 2011-08-18 21:58:02 | [diff] [blame] | 30 | virtual thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE; |
[email protected] | 7ace8ad | 2011-08-06 03:23:58 | [diff] [blame] | 31 | |
32 | // PPB_Buffer_API implementation. | ||||
33 | virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE; | ||||
34 | virtual PP_Bool IsMapped() OVERRIDE; | ||||
35 | virtual void* Map() OVERRIDE; | ||||
36 | virtual void Unmap() OVERRIDE; | ||||
37 | |||||
38 | private: | ||||
39 | base::SharedMemory shm_; | ||||
40 | uint32_t size_; | ||||
41 | void* mapped_data_; | ||||
42 | int map_count_; | ||||
43 | |||||
44 | DISALLOW_COPY_AND_ASSIGN(Buffer); | ||||
45 | }; | ||||
46 | |||||
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 47 | class PPB_Buffer_Proxy : public InterfaceProxy { |
48 | public: | ||||
[email protected] | 5c96602 | 2011-09-13 18:09:37 | [diff] [blame^] | 49 | PPB_Buffer_Proxy(Dispatcher* dispatcher); |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 50 | virtual ~PPB_Buffer_Proxy(); |
51 | |||||
[email protected] | 9815108e | 2011-05-27 21:50:28 | [diff] [blame] | 52 | static PP_Resource CreateProxyResource(PP_Instance instance, |
53 | uint32_t size); | ||||
[email protected] | 4d2efd2 | 2011-08-18 21:58:02 | [diff] [blame] | 54 | static PP_Resource AddProxyResource(const HostResource& resource, |
[email protected] | 0fa46e8 | 2011-08-09 07:31:49 | [diff] [blame] | 55 | base::SharedMemoryHandle shm_handle, |
56 | uint32_t size); | ||||
[email protected] | 9815108e | 2011-05-27 21:50:28 | [diff] [blame] | 57 | |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 58 | // InterfaceProxy implementation. |
[email protected] | a95986a8 | 2010-12-24 06:19:28 | [diff] [blame] | 59 | virtual bool OnMessageReceived(const IPC::Message& msg); |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 60 | |
[email protected] | 5c96602 | 2011-09-13 18:09:37 | [diff] [blame^] | 61 | static const InterfaceID kInterfaceID = INTERFACE_ID_PPB_BUFFER; |
62 | |||||
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 63 | private: |
64 | // Message handlers. | ||||
[email protected] | 859a7f3 | 2011-01-15 03:44:13 | [diff] [blame] | 65 | void OnMsgCreate(PP_Instance instance, |
[email protected] | 867b76d63 | 2010-12-02 00:09:07 | [diff] [blame] | 66 | uint32_t size, |
[email protected] | 4d2efd2 | 2011-08-18 21:58:02 | [diff] [blame] | 67 | HostResource* result_resource, |
[email protected] | 3252338 | 2011-06-10 02:30:00 | [diff] [blame] | 68 | base::SharedMemoryHandle* result_shm_handle); |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 69 | }; |
70 | |||||
71 | } // namespace proxy | ||||
[email protected] | 4d2efd2 | 2011-08-18 21:58:02 | [diff] [blame] | 72 | } // namespace ppapi |
[email protected] | 43a4020 | 2010-11-12 16:25:01 | [diff] [blame] | 73 | |
74 | #endif // PPAPI_PPB_BUFFER_PROXY_H_ |