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- // 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
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