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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 #include "ppapi/proxy/file_io_resource.h" | 5 #include "ppapi/proxy/file_io_resource.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "ipc/ipc_message.h" | 8 #include "ipc/ipc_message.h" |
9 #include "ppapi/c/pp_errors.h" | 9 #include "ppapi/c/pp_errors.h" |
10 #include "ppapi/proxy/ppapi_messages.h" | 10 #include "ppapi/proxy/ppapi_messages.h" |
11 #include "ppapi/shared_impl/array_writer.h" | 11 #include "ppapi/shared_impl/array_writer.h" |
12 #include "ppapi/shared_impl/ppapi_globals.h" | 12 #include "ppapi/shared_impl/ppapi_globals.h" |
13 #include "ppapi/shared_impl/resource_tracker.h" | 13 #include "ppapi/shared_impl/resource_tracker.h" |
14 #include "ppapi/thunk/enter.h" | 14 #include "ppapi/thunk/enter.h" |
15 #include "ppapi/thunk/ppb_file_ref_api.h" | 15 #include "ppapi/thunk/ppb_file_ref_api.h" |
16 | 16 |
17 using ppapi::thunk::EnterResourceNoLock; | 17 using ppapi::thunk::EnterResourceNoLock; |
18 using ppapi::thunk::PPB_FileIO_API; | 18 using ppapi::thunk::PPB_FileIO_API; |
19 using ppapi::thunk::PPB_FileRef_API; | |
dmichael (off chromium)
2013/08/07 22:19:13
Why did you need to do this? Seems like it would b
teravest
2013/08/08 00:50:06
Done.
| |
20 | 19 |
21 namespace { | 20 namespace { |
22 | 21 |
23 // An adapter to let Read() share the same implementation with ReadToArray(). | 22 // An adapter to let Read() share the same implementation with ReadToArray(). |
24 void* DummyGetDataBuffer(void* user_data, uint32_t count, uint32_t size) { | 23 void* DummyGetDataBuffer(void* user_data, uint32_t count, uint32_t size) { |
25 return user_data; | 24 return user_data; |
26 } | 25 } |
27 | 26 |
28 } // namespace | 27 } // namespace |
29 | 28 |
30 namespace ppapi { | 29 namespace ppapi { |
31 namespace proxy { | 30 namespace proxy { |
32 | 31 |
33 FileIOResource::FileIOResource(Connection connection, PP_Instance instance) | 32 FileIOResource::FileIOResource(Connection connection, PP_Instance instance) |
34 : PluginResource(connection, instance) { | 33 : PluginResource(connection, instance) { |
35 SendCreate(RENDERER, PpapiHostMsg_FileIO_Create()); | 34 SendCreate(RENDERER, PpapiHostMsg_FileIO_Create()); |
36 } | 35 } |
37 | 36 |
38 FileIOResource::~FileIOResource() { | 37 FileIOResource::~FileIOResource() { |
39 } | 38 } |
40 | 39 |
41 PPB_FileIO_API* FileIOResource::AsPPB_FileIO_API() { | 40 PPB_FileIO_API* FileIOResource::AsPPB_FileIO_API() { |
42 return this; | 41 return this; |
43 } | 42 } |
44 | 43 |
45 int32_t FileIOResource::Open(PP_Resource file_ref, | 44 int32_t FileIOResource::Open(PP_Resource file_ref, |
46 int32_t open_flags, | 45 int32_t open_flags, |
47 scoped_refptr<TrackedCallback> callback) { | 46 scoped_refptr<TrackedCallback> callback) { |
48 EnterResourceNoLock<PPB_FileRef_API> enter(file_ref, true); | 47 EnterResourceNoLock<thunk::PPB_FileRef_API> enter(file_ref, true); |
49 if (enter.failed()) | 48 if (enter.failed()) |
50 return PP_ERROR_BADRESOURCE; | 49 return PP_ERROR_BADRESOURCE; |
51 | 50 |
52 int32_t rv = state_manager_.CheckOperationState( | 51 int32_t rv = state_manager_.CheckOperationState( |
53 FileIOStateManager::OPERATION_EXCLUSIVE, false); | 52 FileIOStateManager::OPERATION_EXCLUSIVE, false); |
54 if (rv != PP_OK) | 53 if (rv != PP_OK) |
55 return rv; | 54 return rv; |
56 | 55 |
57 Call<PpapiPluginMsg_FileIO_OpenReply>(RENDERER, | 56 Call<PpapiPluginMsg_FileIO_OpenReply>(RENDERER, |
58 PpapiHostMsg_FileIO_Open( | 57 PpapiHostMsg_FileIO_Open( |
59 enter.resource()->host_resource().host_resource(), | 58 file_ref, |
60 open_flags), | 59 open_flags), |
61 base::Bind(&FileIOResource::OnPluginMsgOpenFileComplete, this, | 60 base::Bind(&FileIOResource::OnPluginMsgOpenFileComplete, this, |
62 callback)); | 61 callback)); |
63 | 62 |
64 state_manager_.SetPendingOperation(FileIOStateManager::OPERATION_EXCLUSIVE); | 63 state_manager_.SetPendingOperation(FileIOStateManager::OPERATION_EXCLUSIVE); |
65 return PP_OK_COMPLETIONPENDING; | 64 return PP_OK_COMPLETIONPENDING; |
66 } | 65 } |
67 | 66 |
68 int32_t FileIOResource::Query(PP_FileInfo* info, | 67 int32_t FileIOResource::Query(PP_FileInfo* info, |
69 scoped_refptr<TrackedCallback> callback) { | 68 scoped_refptr<TrackedCallback> callback) { |
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321 result = PP_ERROR_FAILED; | 320 result = PP_ERROR_FAILED; |
322 *output_handle = IPC::PlatformFileForTransitToPlatformFile(transit_file); | 321 *output_handle = IPC::PlatformFileForTransitToPlatformFile(transit_file); |
323 | 322 |
324 // End the operation now. The callback may perform another file operation. | 323 // End the operation now. The callback may perform another file operation. |
325 state_manager_.SetOperationFinished(); | 324 state_manager_.SetOperationFinished(); |
326 callback->Run(result); | 325 callback->Run(result); |
327 } | 326 } |
328 | 327 |
329 } // namespace proxy | 328 } // namespace proxy |
330 } // namespace ppapi | 329 } // namespace ppapi |
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