68 lines
2.1 KiB
PHP
68 lines
2.1 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Georg Ehrke <oc.list@georgehrke.com>
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* @author Joas Schilling <coding@schilljs.com>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Olivier Paroz <github@oparoz.com>
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* @author Robin Appelman <robin@icewind.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Preview;
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use OCP\Preview\IProvider;
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abstract class Provider implements IProvider {
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private $options;
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/**
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* Constructor
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*
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* @param array $options
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*/
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public function __construct(array $options = []) {
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$this->options = $options;
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}
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/**
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* @return string Regex with the mimetypes that are supported by this provider
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*/
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abstract public function getMimeType();
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/**
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* Check if a preview can be generated for $path
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*
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* @param \OCP\Files\FileInfo $file
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* @return bool
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*/
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public function isAvailable(\OCP\Files\FileInfo $file) {
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return true;
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}
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/**
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* Generates thumbnail which fits in $maxX and $maxY and keeps the aspect ratio, for file at path $path
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*
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* @param string $path Path of file
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* @param int $maxX The maximum X size of the thumbnail. It can be smaller depending on the shape of the image
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* @param int $maxY The maximum Y size of the thumbnail. It can be smaller depending on the shape of the image
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* @param bool $scalingup Disable/Enable upscaling of previews
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* @param \OC\Files\View $fileview fileview object of user folder
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* @return bool|\OCP\IImage false if no preview was generated
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*/
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abstract public function getThumbnail($path, $maxX, $maxY, $scalingup, $fileview);
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}
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