129 lines
3.9 KiB
PHP
129 lines
3.9 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc.
|
|
*
|
|
* @author Joas Schilling <coding@schilljs.com>
|
|
* @author Morris Jobke <hey@morrisjobke.de>
|
|
* @author Robin Appelman <robin@icewind.nl>
|
|
* @author Roeland Jago Douma <roeland@famdouma.nl>
|
|
* @author Thomas Müller <thomas.mueller@tmit.eu>
|
|
*
|
|
* @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/>
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Public interface of ownCloud for apps to use.
|
|
* Preview interface
|
|
*
|
|
*/
|
|
|
|
// use OCP namespace for all classes that are considered public.
|
|
// This means that they should be used by apps instead of the internal ownCloud classes
|
|
namespace OCP;
|
|
|
|
use OCP\Files\File;
|
|
use OCP\Files\SimpleFS\ISimpleFile;
|
|
use OCP\Files\NotFoundException;
|
|
|
|
/**
|
|
* This class provides functions to render and show thumbnails and previews of files
|
|
* @since 6.0.0
|
|
*/
|
|
interface IPreview {
|
|
|
|
/**
|
|
* @since 9.2.0
|
|
*/
|
|
const EVENT = self::class . ':' . 'PreviewRequested';
|
|
|
|
const MODE_FILL = 'fill';
|
|
const MODE_COVER = 'cover';
|
|
|
|
/**
|
|
* In order to improve lazy loading a closure can be registered which will be
|
|
* called in case preview providers are actually requested
|
|
*
|
|
* $callable has to return an instance of \OCP\Preview\IProvider
|
|
*
|
|
* @param string $mimeTypeRegex Regex with the mime types that are supported by this provider
|
|
* @param \Closure $callable
|
|
* @return void
|
|
* @since 8.1.0
|
|
*/
|
|
public function registerProvider($mimeTypeRegex, \Closure $callable);
|
|
|
|
/**
|
|
* Get all providers
|
|
* @return array
|
|
* @since 8.1.0
|
|
*/
|
|
public function getProviders();
|
|
|
|
/**
|
|
* Does the manager have any providers
|
|
* @return bool
|
|
* @since 8.1.0
|
|
*/
|
|
public function hasProviders();
|
|
|
|
/**
|
|
* Return a preview of a file
|
|
* @param string $file The path to the file where you want a thumbnail from
|
|
* @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 boolean $scaleUp Scale smaller images up to the thumbnail size or not. Might look ugly
|
|
* @return \OCP\IImage
|
|
* @since 6.0.0
|
|
* @deprecated 11 Use getPreview
|
|
*/
|
|
public function createPreview($file, $maxX = 100, $maxY = 75, $scaleUp = false);
|
|
|
|
/**
|
|
* Returns a preview of a file
|
|
*
|
|
* The cache is searched first and if nothing usable was found then a preview is
|
|
* generated by one of the providers
|
|
*
|
|
* @param File $file
|
|
* @param int $width
|
|
* @param int $height
|
|
* @param bool $crop
|
|
* @param string $mode
|
|
* @param string $mimeType To force a given mimetype for the file (files_versions needs this)
|
|
* @return ISimpleFile
|
|
* @throws NotFoundException
|
|
* @throws \InvalidArgumentException if the preview would be invalid (in case the original image is invalid)
|
|
* @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
|
|
*/
|
|
public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null);
|
|
|
|
/**
|
|
* Returns true if the passed mime type is supported
|
|
* @param string $mimeType
|
|
* @return boolean
|
|
* @since 6.0.0
|
|
*/
|
|
public function isMimeSupported($mimeType = '*');
|
|
|
|
/**
|
|
* Check if a preview can be generated for a file
|
|
*
|
|
* @param \OCP\Files\FileInfo $file
|
|
* @return bool
|
|
* @since 8.0.0
|
|
*/
|
|
public function isAvailable(\OCP\Files\FileInfo $file);
|
|
}
|