89 lines
2.7 KiB
PHP
89 lines
2.7 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Frank Karlitschek
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* @author Georg Ehrke
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* @copyright 2013 Frank Karlitschek frank@owncloud.org
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* @copyright 2013 Georg Ehrke georg@owncloud.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library 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
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* License along with this library. 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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*/
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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 \OC\Preview\Provider
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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 $callable
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* @return void
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*/
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public function registerProvider($mimeTypeRegex, \Closure $callable);
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/**
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* Get all providers
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* @return array
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*/
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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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*/
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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 $scaleUp Scale smaller images up to the thumbnail size or not. Might look ugly
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* @return \OCP\Image
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*/
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public function createPreview($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 $mimeType
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* @return boolean
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*/
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public function isMimeSupported($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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*/
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public function isAvailable(\OCP\Files\FileInfo $file);
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}
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