96 lines
2.8 KiB
PHP
96 lines
2.8 KiB
PHP
<?php
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/**
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* @author Joas Schilling <nickvergessen@owncloud.com>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Thomas Müller <thomas.mueller@tmit.eu>
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*
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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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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/**
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* Public interface of ownCloud for apps to use.
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* Preview interface
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*
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*/
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// use OCP namespace for all classes that are considered public.
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// This means that they should be used by apps instead of the internal ownCloud classes
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namespace OCP;
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/**
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* This class provides functions to render and show thumbnails and previews of files
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* @since 6.0.0
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*/
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interface IPreview {
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/**
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* In order to improve lazy loading a closure can be registered which will be
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* called in case preview providers are actually requested
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*
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* $callable has to return an instance of \OCP\Preview\IProvider
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*
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* @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
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* @param \Closure $callable
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* @return void
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* @since 8.1.0
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*/
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public function registerProvider($mimeTypeRegex, \Closure $callable);
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/**
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* Get all providers
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* @return array
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* @since 8.1.0
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*/
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public function getProviders();
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/**
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* Does the manager have any providers
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* @return bool
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* @since 8.1.0
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*/
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public function hasProviders();
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/**
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* Return a preview of a file
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* @param string $file The path to the file where you want a thumbnail from
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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 boolean $scaleUp Scale smaller images up to the thumbnail size or not. Might look ugly
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* @return \OCP\IImage
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* @since 6.0.0
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*/
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public function createPreview($file, $maxX = 100, $maxY = 75, $scaleUp = false);
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/**
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* Returns true if the passed mime type is supported
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* @param string $mimeType
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* @return boolean
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* @since 6.0.0
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*/
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public function isMimeSupported($mimeType = '*');
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/**
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* Check if a preview can be generated for a file
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*
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* @param \OCP\Files\FileInfo $file
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* @return bool
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* @since 8.0.0
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*/
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public function isAvailable(\OCP\Files\FileInfo $file);
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}
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