blob: 5508b256f3972b8c9a5c601a2a0d7fa2b3d1cedc [file] [log] [blame]
// Copyright 2015 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 "google_apis/drive/files_list_request_runner.h"
#include <utility>
#include "base/bind.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "google_apis/common/api_error_codes.h"
#include "google_apis/common/request_sender.h"
#include "google_apis/drive/drive_api_requests.h"
namespace google_apis {
FilesListRequestRunner::FilesListRequestRunner(
RequestSender* request_sender,
const google_apis::DriveApiUrlGenerator& url_generator)
: request_sender_(request_sender), url_generator_(url_generator) {}
FilesListRequestRunner::~FilesListRequestRunner() = default;
CancelCallbackOnce FilesListRequestRunner::CreateAndStartWithSizeBackoff(
int max_results,
FilesListCorpora corpora,
const std::string& team_drive_id,
const std::string& q,
const std::string& fields,
FileListCallback callback) {
base::OnceClosure* cancel_callback = new base::OnceClosure;
std::unique_ptr<drive::FilesListRequest> request =
std::make_unique<drive::FilesListRequest>(
request_sender_, url_generator_,
base::BindOnce(&FilesListRequestRunner::OnCompleted,
weak_ptr_factory_.GetWeakPtr(), max_results, corpora,
team_drive_id, q, fields, std::move(callback),
base::Owned(cancel_callback)));
request->set_max_results(max_results);
request->set_q(q);
request->set_fields(fields);
*cancel_callback =
request_sender_->StartRequestWithAuthRetry(std::move(request));
// The cancellation callback is owned by the completion callback, so it must
// not be used after |callback| is called.
return base::BindOnce(&FilesListRequestRunner::OnCancel,
weak_ptr_factory_.GetWeakPtr(),
base::Unretained(cancel_callback));
}
void FilesListRequestRunner::OnCancel(CancelCallbackOnce* cancel_callback) {
DCHECK(cancel_callback);
DCHECK(!cancel_callback->is_null());
std::move(*cancel_callback).Run();
}
void FilesListRequestRunner::OnCompleted(int max_results,
FilesListCorpora corpora,
const std::string& team_drive_id,
const std::string& q,
const std::string& fields,
FileListCallback callback,
CancelCallbackOnce* cancel_callback,
ApiErrorCode error,
std::unique_ptr<FileList> entry) {
if (!request_completed_callback_for_testing_.is_null())
std::move(request_completed_callback_for_testing_).Run();
if (error == google_apis::DRIVE_RESPONSE_TOO_LARGE && max_results > 1) {
CreateAndStartWithSizeBackoff(max_results / 2, corpora, team_drive_id, q,
fields, std::move(callback));
return;
}
std::move(callback).Run(error, std::move(entry));
}
void FilesListRequestRunner::SetRequestCompletedCallbackForTesting(
base::OnceClosure callback) {
request_completed_callback_for_testing_ = std::move(callback);
}
} // namespace google_apis