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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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_BUFFER_PROXY_H_ | 5 #ifndef PPAPI_PPB_BUFFER_PROXY_H_ |
6 #define PPAPI_PPB_BUFFER_PROXY_H_ | 6 #define PPAPI_PPB_BUFFER_PROXY_H_ |
7 | 7 |
8 #include "base/shared_memory.h" | 8 #include "base/shared_memory.h" |
9 #include "ppapi/c/pp_instance.h" | 9 #include "ppapi/c/pp_instance.h" |
10 #include "ppapi/proxy/interface_proxy.h" | 10 #include "ppapi/proxy/interface_proxy.h" |
11 #include "ppapi/shared_impl/resource.h" | 11 #include "ppapi/shared_impl/resource.h" |
12 #include "ppapi/thunk/ppb_buffer_api.h" | 12 #include "ppapi/thunk/ppb_buffer_api.h" |
13 | 13 |
14 struct PPB_Buffer_Dev; | 14 struct PPB_Buffer_Dev; |
15 | 15 |
16 namespace ppapi { | 16 namespace ppapi { |
| 17 |
17 class HostResource; | 18 class HostResource; |
18 } | |
19 | 19 |
20 namespace pp { | |
21 namespace proxy { | 20 namespace proxy { |
22 | 21 |
23 class Buffer : public ppapi::thunk::PPB_Buffer_API, | 22 class Buffer : public thunk::PPB_Buffer_API, public Resource { |
24 public ppapi::Resource { | |
25 public: | 23 public: |
26 Buffer(const ppapi::HostResource& resource, | 24 Buffer(const HostResource& resource, |
27 const base::SharedMemoryHandle& shm_handle, | 25 const base::SharedMemoryHandle& shm_handle, |
28 uint32_t size); | 26 uint32_t size); |
29 virtual ~Buffer(); | 27 virtual ~Buffer(); |
30 | 28 |
31 // Resource overrides. | 29 // Resource overrides. |
32 virtual ppapi::thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE; | 30 virtual thunk::PPB_Buffer_API* AsPPB_Buffer_API() OVERRIDE; |
33 | 31 |
34 // PPB_Buffer_API implementation. | 32 // PPB_Buffer_API implementation. |
35 virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE; | 33 virtual PP_Bool Describe(uint32_t* size_in_bytes) OVERRIDE; |
36 virtual PP_Bool IsMapped() OVERRIDE; | 34 virtual PP_Bool IsMapped() OVERRIDE; |
37 virtual void* Map() OVERRIDE; | 35 virtual void* Map() OVERRIDE; |
38 virtual void Unmap() OVERRIDE; | 36 virtual void Unmap() OVERRIDE; |
39 | 37 |
40 private: | 38 private: |
41 base::SharedMemory shm_; | 39 base::SharedMemory shm_; |
42 uint32_t size_; | 40 uint32_t size_; |
43 void* mapped_data_; | 41 void* mapped_data_; |
44 int map_count_; | 42 int map_count_; |
45 | 43 |
46 DISALLOW_COPY_AND_ASSIGN(Buffer); | 44 DISALLOW_COPY_AND_ASSIGN(Buffer); |
47 }; | 45 }; |
48 | 46 |
49 class PPB_Buffer_Proxy : public InterfaceProxy { | 47 class PPB_Buffer_Proxy : public InterfaceProxy { |
50 public: | 48 public: |
51 PPB_Buffer_Proxy(Dispatcher* dispatcher, const void* target_interface); | 49 PPB_Buffer_Proxy(Dispatcher* dispatcher, const void* target_interface); |
52 virtual ~PPB_Buffer_Proxy(); | 50 virtual ~PPB_Buffer_Proxy(); |
53 | 51 |
54 static const Info* GetInfo(); | 52 static const Info* GetInfo(); |
55 | 53 |
56 static PP_Resource CreateProxyResource(PP_Instance instance, | 54 static PP_Resource CreateProxyResource(PP_Instance instance, |
57 uint32_t size); | 55 uint32_t size); |
58 static PP_Resource AddProxyResource(const ppapi::HostResource& resource, | 56 static PP_Resource AddProxyResource(const HostResource& resource, |
59 base::SharedMemoryHandle shm_handle, | 57 base::SharedMemoryHandle shm_handle, |
60 uint32_t size); | 58 uint32_t size); |
61 | 59 |
62 const PPB_Buffer_Dev* ppb_buffer_target() const { | 60 const PPB_Buffer_Dev* ppb_buffer_target() const { |
63 return static_cast<const PPB_Buffer_Dev*>(target_interface()); | 61 return static_cast<const PPB_Buffer_Dev*>(target_interface()); |
64 } | 62 } |
65 | 63 |
66 // InterfaceProxy implementation. | 64 // InterfaceProxy implementation. |
67 virtual bool OnMessageReceived(const IPC::Message& msg); | 65 virtual bool OnMessageReceived(const IPC::Message& msg); |
68 | 66 |
69 private: | 67 private: |
70 // Message handlers. | 68 // Message handlers. |
71 void OnMsgCreate(PP_Instance instance, | 69 void OnMsgCreate(PP_Instance instance, |
72 uint32_t size, | 70 uint32_t size, |
73 ppapi::HostResource* result_resource, | 71 HostResource* result_resource, |
74 base::SharedMemoryHandle* result_shm_handle); | 72 base::SharedMemoryHandle* result_shm_handle); |
75 }; | 73 }; |
76 | 74 |
77 } // namespace proxy | 75 } // namespace proxy |
78 } // namespace pp | 76 } // namespace ppapi |
79 | 77 |
80 #endif // PPAPI_PPB_BUFFER_PROXY_H_ | 78 #endif // PPAPI_PPB_BUFFER_PROXY_H_ |
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