Index: .buildpath
===================================================================
--- .buildpath	(revision 0)
+++ .buildpath	(revision 0)
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<buildpath>
+	<buildpathentry kind="src" path=""/>
+	<buildpathentry kind="con" path="org.eclipse.php.core.LANGUAGE"/>
+</buildpath>
Index: includes/media/Generic.php
===================================================================
--- includes/media/Generic.php	(revision 104407)
+++ includes/media/Generic.php	(working copy)
@@ -504,6 +504,15 @@
 		}
 		return false;
 	}
+	/**
+	 * Remove files from the purge list
+	 * 
+	 * @param array $files
+	 * @param array $options
+	 */
+	public function filterThumbnailPurgeList( &$files, $options ) {
+		// Do nothing
+	}
 }
 
 /**
Index: includes/filerepo/file/File.php
===================================================================
--- includes/filerepo/file/File.php	(revision 104407)
+++ includes/filerepo/file/File.php	(working copy)
@@ -863,8 +863,9 @@
 	 * Purge shared caches such as thumbnails and DB data caching
 	 * STUB
 	 * Overridden by LocalFile
+	 * @param array $options Array with options, currently undefined
 	 */
-	function purgeCache() {}
+	function purgeCache( $options = array() ) {}
 
 	/**
 	 * Purge the file description page, but don't go after
Index: includes/filerepo/file/ForeignAPIFile.php
===================================================================
--- includes/filerepo/file/ForeignAPIFile.php	(revision 104407)
+++ includes/filerepo/file/ForeignAPIFile.php	(working copy)
@@ -214,8 +214,11 @@
 		return $files;
 	}
 
-	function purgeCache() {
-		$this->purgeThumbnails();
+	/**
+	 * @see File::purgeCache()
+	 */
+	function purgeCache( $options = array() ) {
+		$this->purgeThumbnails( $options );
 		$this->purgeDescriptionPage();
 	}
 
@@ -226,11 +229,17 @@
 		$wgMemc->delete( $key );
 	}
 
-	function purgeThumbnails() {
+	function purgeThumbnails( $options = array() ) {
 		global $wgMemc;
 		$key = $this->repo->getLocalCacheKey( 'ForeignAPIRepo', 'ThumbUrl', $this->getName() );
 		$wgMemc->delete( $key );
 		$files = $this->getThumbnails();
+		// Give media handler a chance to filter the purge list
+		$handler = $this->getHandler();
+		if ( $handler ) {
+			$handler->filterThumbnailPurgeList( $files, $options );
+		}
+		
 		$dir = $this->getThumbPath( $this->getName() );
 		foreach ( $files as $file ) {
 			unlink( $dir . $file );
Index: includes/filerepo/file/LocalFile.php
===================================================================
--- includes/filerepo/file/LocalFile.php	(revision 104407)
+++ includes/filerepo/file/LocalFile.php	(working copy)
@@ -675,12 +675,12 @@
 	/**
 	 * Delete all previously generated thumbnails, refresh metadata in memcached and purge the squid
 	 */
-	function purgeCache() {
+	function purgeCache( $options = array() ) {
 		// Refresh metadata cache
 		$this->purgeMetadataCache();
 
 		// Delete thumbnails
-		$this->purgeThumbnails();
+		$this->purgeThumbnails( $options );
 
 		// Purge squid cache for this file
 		SquidUpdate::purge( array( $this->getURL() ) );
@@ -723,11 +723,18 @@
 	/**
 	 * Delete cached transformed files for the current version only.
 	 */
-	function purgeThumbnails() {
+	function purgeThumbnails( $options ) {
 		global $wgUseSquid;
 
 		// Delete thumbnails
 		$files = $this->getThumbnails();
+		
+		// Give media handler a chance to filter the purge list
+		$handler = $this->getHandler();
+		if ( $handler ) {
+			$handler->filterThumbnailPurgeList( $files, $options );
+		}
+		
 		$dir = array_shift( $files );
 		$this->purgeThumbList( $dir, $files );