+ /**
+ * @param $thumbName string Thumbnail name
+ * @return string Content-Disposition header value
+ */
+ function getThumbDisposition( $thumbName ) {
+ $fileName = $this->name; // file name to suggest
+ $thumbExt = FileBackend::extensionFromPath( $thumbName );
+ if ( $thumbExt != '' && $thumbExt !== $this->getExtension() ) {
+ $fileName .= ".$thumbExt";
+ }
+ return FileBackend::makeContentDisposition( 'inline', $fileName );
+ }
+