add class='preview-icon' to rows in file app that make use of previews

apps/files/templates/part.list.php

@@ -34,9 +34,17 @@ $totalsize = 0; ?>
 				<?php
 				$relativePath = substr($relativePath, strlen($_['sharingroot']));
 				?>
-				style="background-image:url(<?php print_unescaped(OCP\publicPreview_icon($relativePath, $_['sharingtoken'])); ?>)"
+				<?php if(\OCP\Preview::isMimeSupported($file['mimetype'])): ?>
+				style="background-image:url(<?php print_unescaped(OCP\publicPreview_icon($relativePath, $_['sharingtoken'])); ?>)" class="preview-icon"
 				<?php else: ?>
-				style="background-image:url(<?php print_unescaped(OCP\preview_icon($relativePath)); ?>)"
+				style="background-image:url(<?php print_unescaped(OCP\mimetype_icon($file['mimetype'])); ?>)"
+				<?php endif; ?>
+			<?php else: ?>
+				<?php if(\OCP\Preview::isMimeSupported($file['mimetype'])): ?>	
+				style="background-image:url(<?php print_unescaped(OCP\preview_icon($relativePath)); ?>)" class="preview-icon"
+				<?php else: ?>
+				style="background-image:url(<?php print_unescaped(OCP\mimetype_icon($file['mimetype'])); ?>)"
+				<?php endif; ?>
 			<?php endif; ?>
 		<?php endif; ?>
 			>

lib/preview.php

@@ -772,6 +772,22 @@ class Preview {
 		$preview->deleteAllPreviews();
 	}
 
+	public static function isMimeSupported($mimetype) {
+		//check if there are preview backends
+		if(empty(self::$providers)) {
+			self::initProviders();
+		}
+
+		//remove last element because it has the mimetype *
+		$providers = array_slice(self::$providers, 0, -1);
+		foreach($providers as $supportedmimetype => $provider) {
+			if(preg_match($supportedmimetype, $mimetype)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	private static function showErrorPreview() {
 		$path = \OC::$SERVERROOT . '/core/img/actions/delete.png';
 		$preview = new \OC_Image($path);

lib/public/preview.php

 <?php
 /**
-* ownCloud
-*
-* @author Frank Karlitschek
-* @copyright 2012 Frank Karlitschek frank@owncloud.org
-*
-* This library is free software; you can redistribute it and/or
-* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
-* License as published by the Free Software Foundation; either
-* version 3 of the License, or any later version.
-*
-* This library 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 library.  If not, see <http://www.gnu.org/licenses/>.
-*
+ * Copyright (c) 2013 Frank Karlitschek frank@owncloud.org
+ * Copyright (c) 2013 Georg Ehrke georg@ownCloud.com
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
  */
-
-/**
- * Public interface of ownCloud for apps to use.
- * Preview Class.
- *
- */
-
-// 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;
 
 /**
@@ -47,4 +25,10 @@ class Preview {
 		return(\OC_Preview::show($file,$maxX,$maxY,$scaleup));
 	}
 
+
+
+	public static function isMimeSupported($mimetype='*') {
+		return \OC\Preview::isMimeSupported($mimetype);
+	}
+
 }