server/lib/private/Preview/GeneratorHelper.php
Roeland Jago Douma ade61d8b43
Allow the creationg of previews of files stored in appdata
To allow us to create previews of files stored in appdata we need to
construct the view differently.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
2018-10-08 19:37:45 +02:00

91 lines
2.3 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
*
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Preview;
use OC\Files\View;
use OCP\Files\File;
use OCP\Files\IRootFolder;
use OCP\Files\SimpleFS\ISimpleFile;
use OCP\IConfig;
use OCP\IImage;
use OCP\Image as OCPImage;
use OCP\Preview\IProvider;
/**
* Very small wrapper class to make the generator fully unit testable
*/
class GeneratorHelper {
/** @var IRootFolder */
private $rootFolder;
/** @var IConfig */
private $config;
public function __construct(IRootFolder $rootFolder, IConfig $config) {
$this->rootFolder = $rootFolder;
$this->config = $config;
}
/**
* @param IProvider $provider
* @param File $file
* @param int $maxWidth
* @param int $maxHeight
* @return bool|IImage
*/
public function getThumbnail(IProvider $provider, File $file, $maxWidth, $maxHeight) {
list($view, $path) = $this->getViewAndPath($file);
return $provider->getThumbnail($path, $maxWidth, $maxHeight, false, $view);
}
/**
* @param File $file
* @return array
* This is required to create the old view and path
*/
private function getViewAndPath(File $file) {
$view = new View($file->getParent()->getPath());
$path = $file->getName();
return [$view, $path];
}
/**
* @param ISimpleFile $maxPreview
* @return IImage
*/
public function getImage(ISimpleFile $maxPreview) {
$image = new OCPImage();
$image->loadFromData($maxPreview->getContent());
return $image;
}
/**
* @param $provider
* @return IProvider
*/
public function getProvider($provider) {
return $provider();
}
}