<?php declare(strict_types=1); /** * @copyright Copyright (c) 2019 Robin Appelman <robin@icewind.nl> * * @author Robin Appelman <robin@icewind.nl> * * @license GNU AGPL version 3 or any later version * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ namespace OCP\Preview; /** * Marks files that should keep multiple preview "versions" for the same file id * * Examples of this are files where the storage backend provides versioning, for those * files, we dont have fileids for the different versions but still need to be able to generate * previews for all versions * * @since 17.0.0 */ interface IVersionedPreviewFile { /** * @return string * @since 17.0.0 */ public function getPreviewVersion(): string; }