| // Copyright (c) 2011 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. |
| |
| #include "ppapi/c/pp_completion_callback.h" |
| #include "ppapi/c/pp_errors.h" |
| #include "ppapi/thunk/common.h" |
| #include "ppapi/thunk/enter.h" |
| #include "ppapi/thunk/thunk.h" |
| #include "ppapi/thunk/ppb_file_io_api.h" |
| #include "ppapi/thunk/resource_creation_api.h" |
| |
| namespace ppapi { |
| namespace thunk { |
| |
| namespace { |
| |
| PP_Resource Create(PP_Instance instance) { |
| EnterFunction<ResourceCreationAPI> enter(instance, true); |
| if (enter.failed()) |
| return 0; |
| return enter.functions()->CreateFileIO(instance); |
| } |
| |
| PP_Bool IsFileIO(PP_Resource resource) { |
| EnterResource<PPB_FileIO_API> enter(resource, false); |
| return PP_FromBool(enter.succeeded()); |
| } |
| |
| int32_t Open(PP_Resource file_io, |
| PP_Resource file_ref, |
| int32_t open_flags, |
| PP_CompletionCallback callback) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.failed()) |
| return MayForceCallback(callback, PP_ERROR_BADRESOURCE); |
| int32_t result = enter.object()->Open(file_ref, open_flags, callback); |
| return MayForceCallback(callback, result); |
| } |
| |
| int32_t Query(PP_Resource file_io, |
| PP_FileInfo* info, |
| PP_CompletionCallback callback) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.failed()) |
| return MayForceCallback(callback, PP_ERROR_BADRESOURCE); |
| int32_t result = enter.object()->Query(info, callback); |
| return MayForceCallback(callback, result); |
| } |
| |
| int32_t Touch(PP_Resource file_io, |
| PP_Time last_access_time, |
| PP_Time last_modified_time, |
| PP_CompletionCallback callback) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.failed()) |
| return MayForceCallback(callback, PP_ERROR_BADRESOURCE); |
| int32_t result = enter.object()->Touch(last_access_time, last_modified_time, |
| callback); |
| return MayForceCallback(callback, result); |
| } |
| |
| int32_t Read(PP_Resource file_io, |
| int64_t offset, |
| char* buffer, |
| int32_t bytes_to_read, |
| PP_CompletionCallback callback) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.failed()) |
| return MayForceCallback(callback, PP_ERROR_BADRESOURCE); |
| int32_t result = enter.object()->Read(offset, buffer, bytes_to_read, |
| callback); |
| return MayForceCallback(callback, result); |
| } |
| |
| int32_t Write(PP_Resource file_io, |
| int64_t offset, |
| const char* buffer, |
| int32_t bytes_to_write, |
| PP_CompletionCallback callback) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.failed()) |
| return MayForceCallback(callback, PP_ERROR_BADRESOURCE); |
| int32_t result = enter.object()->Write(offset, buffer, bytes_to_write, |
| callback); |
| return MayForceCallback(callback, result); |
| } |
| |
| int32_t SetLength(PP_Resource file_io, |
| int64_t length, |
| PP_CompletionCallback callback) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.failed()) |
| return MayForceCallback(callback, PP_ERROR_BADRESOURCE); |
| int32_t result = enter.object()->SetLength(length, callback); |
| return MayForceCallback(callback, result); |
| } |
| |
| int32_t Flush(PP_Resource file_io, |
| PP_CompletionCallback callback) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.failed()) |
| return MayForceCallback(callback, PP_ERROR_BADRESOURCE); |
| int32_t result = enter.object()->Flush(callback); |
| return MayForceCallback(callback, result); |
| } |
| |
| void Close(PP_Resource file_io) { |
| EnterResource<PPB_FileIO_API> enter(file_io, true); |
| if (enter.succeeded()) |
| enter.object()->Close(); |
| } |
| |
| const PPB_FileIO g_ppb_file_io_thunk = { |
| &Create, |
| &IsFileIO, |
| &Open, |
| &Query, |
| &Touch, |
| &Read, |
| &Write, |
| &SetLength, |
| &Flush, |
| &Close |
| }; |
| |
| } // namespace |
| |
| const PPB_FileIO* GetPPB_FileIO_Thunk() { |
| return &g_ppb_file_io_thunk; |
| } |
| |
| } // namespace thunk |
| } // namespace ppapi |