/**
* set the path of the file you want a thumbnail from
* @param string $file
* @return \OC\Preview $this
*/
public function setFile($file) {
$this->file = $file;
$this->info = null;
if ($file !== '') {
$this->getFileInfo();
if($this->info !== null && $this->info !== false) {
$this->mimeType = $this->info->getMimetype();
}
}
return $this;
}
/**
* set the path of the file you want a thumbnail from
* @param string $file
* @return $this
*/
public function setFile($file)
{
$this->file = $file;
$this->info = null;
if ($file !== '') {
$this->getFileInfo();
if ($this->info instanceof \OCP\Files\FileInfo) {
$this->mimeType = $this->info->getMimetype();
}
}
return $this;
}
/**
* Create a new file search result
* @param FileInfo $data file data given by provider
*/
public function __construct(FileInfo $data)
{
$path = $this->getRelativePath($data->getPath());
$info = pathinfo($path);
$this->id = $data->getId();
$this->name = $info['basename'];
$this->link = \OCP\Util::linkTo('files', 'index.php', array('dir' => $info['dirname'], 'file' => $info['basename']));
$this->permissions = $data->getPermissions();
$this->path = $path;
$this->size = $data->getSize();
$this->modified = $data->getMtime();
$this->mime_type = $data->getMimetype();
}
/**
* Create a new file search result
* @param FileInfo $data file data given by provider
*/
public function __construct(FileInfo $data)
{
$path = $this->getRelativePath($data->getPath());
$info = pathinfo($path);
$this->id = $data->getId();
$this->name = $info['basename'];
$this->link = \OC::$server->getURLGenerator()->linkToRoute('files.view.index', ['dir' => $info['dirname'], 'scrollto' => $info['basename']]);
$this->permissions = $data->getPermissions();
$this->path = $path;
$this->size = $data->getSize();
$this->modified = $data->getMtime();
$this->mime = $data->getMimetype();
}
/**
* Determine icon for a given file
*
* @param \OCP\Files\FileInfo $file file info
* @return string icon URL
*/
public static function determineIcon($file)
{
if ($file['type'] === 'dir') {
$icon = \OC_Helper::mimetypeIcon('dir');
// TODO: move this part to the client side, using mountType
if ($file->isShared()) {
$icon = \OC_Helper::mimetypeIcon('dir-shared');
} elseif ($file->isMounted()) {
$icon = \OC_Helper::mimetypeIcon('dir-external');
}
} else {
$icon = \OC_Helper::mimetypeIcon($file->getMimetype());
}
return substr($icon, 0, -3) . 'svg';
}
/**
* Sends the preview, including the headers to client which requested it
*
* @param null|string $mimeTypeForHeaders the media type to use when sending back the reply
*
* @throws NotFoundException
*/
public function showPreview($mimeTypeForHeaders = null)
{
// Check if file is valid
if ($this->isFileValid() === false) {
throw new NotFoundException('File not found.');
}
if ($cachedPath = $this->isCached($this->info->getId())) {
header('Content-Type: ' . $this->info->getMimetype());
$this->userView->readfile($cachedPath);
return;
}
if (is_null($this->preview)) {
$this->getPreview();
}
if ($this->preview instanceof \OCP\IImage) {
if ($this->preview->valid()) {
\OCP\Response::enableCaching(3600 * 24);
// 24 hours
} else {
$this->getMimeIcon();
}
$this->preview->show($mimeTypeForHeaders);
}
}
/**
* Check if a preview can be generated for a file
*
* @param \OCP\Files\FileInfo $file
* @return bool
*/
public function isAvailable(\OCP\Files\FileInfo $file)
{
if (!$this->config->getSystemValue('enable_previews', true)) {
return false;
}
$this->registerCoreProviders();
if (!$this->isMimeSupported($file->getMimetype())) {
return false;
}
$mount = $file->getMountPoint();
if ($mount and !$mount->getOption('previews', true)) {
return false;
}
foreach ($this->providers as $supportedMimeType => $providers) {
if (preg_match($supportedMimeType, $file->getMimetype())) {
foreach ($providers as $closure) {
$provider = $closure();
if (!$provider instanceof IProvider) {
continue;
}
/** @var $provider IProvider */
if ($provider->isAvailable($file)) {
return true;
}
}
}
}
return false;
}
