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// 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
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