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// Copyright 2014 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 "chrome/browser/chromeos/file_system_provider/operations/truncate.h"
#include <string>
#include "chrome/common/extensions/api/file_system_provider.h"
#include "chrome/common/extensions/api/file_system_provider_internal.h"
namespace chromeos {
namespace file_system_provider {
namespace operations {
Truncate::Truncate(extensions::EventRouter* event_router,
const ProvidedFileSystemInfo& file_system_info,
const base::FilePath& file_path,
int64_t length,
const storage::AsyncFileUtil::StatusCallback& callback)
: Operation(event_router, file_system_info),
file_path_(file_path),
length_(length),
callback_(callback) {}
Truncate::~Truncate() {
}
bool Truncate::Execute(int request_id) {
using extensions::api::file_system_provider::TruncateRequestedOptions;
if (!file_system_info_.writable())
return false;
TruncateRequestedOptions options;
options.file_system_id = file_system_info_.file_system_id();
options.request_id = request_id;
options.file_path = file_path_.AsUTF8Unsafe();
options.length = length_;
return SendEvent(
request_id,
extensions::events::FILE_SYSTEM_PROVIDER_ON_TRUNCATE_REQUESTED,
extensions::api::file_system_provider::OnTruncateRequested::kEventName,
extensions::api::file_system_provider::OnTruncateRequested::Create(
options));
}
void Truncate::OnSuccess(int /* request_id */,
scoped_ptr<RequestValue> /* result */,
bool has_more) {
callback_.Run(base::File::FILE_OK);
}
void Truncate::OnError(int /* request_id */,
scoped_ptr<RequestValue> /* result */,
base::File::Error error) {
callback_.Run(error);
}
} // namespace operations
} // namespace file_system_provider
} // namespace chromeos
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