nextcloud/lib/private/preview/provider.php

62 lines
2.0 KiB
PHP

<?php
/**
* @author Georg Ehrke <georg@owncloud.com>
* @author Georg Ehrke <georg@ownCloud.com>
* @author Joas Schilling <nickvergessen@gmx.de>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Robin Appelman <icewind@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Preview;
abstract class Provider {
private $options;
public function __construct($options) {
$this->options = $options;
}
/**
* @return string Regex with the mimetypes that are supported by this provider
*/
abstract public function getMimeType();
/**
* Check if a preview can be generated for $path
*
* @param \OC\Files\FileInfo $file
* @return bool
*/
public function isAvailable($file) {
return true;
}
/**
* get thumbnail for file at path $path
* @param string $path Path of file
* @param int $maxX The maximum X size of the thumbnail. It can be smaller depending on the shape of the image
* @param int $maxY The maximum Y size of the thumbnail. It can be smaller depending on the shape of the image
* @param bool $scalingup Disable/Enable upscaling of previews
* @param \OC\Files\View $fileview fileview object of user folder
* @return mixed
* false if no preview was generated
* OC_Image object of the preview
*/
abstract public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview);
}