Index: trunk/src/org/openstreetmap/josm/data/imagery/TMSCachedTileLoader.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/imagery/TMSCachedTileLoader.java	(revision 13111)
+++ trunk/src/org/openstreetmap/josm/data/imagery/TMSCachedTileLoader.java	(revision 13112)
@@ -127,4 +127,9 @@
     }
 
+    @Override
+    public boolean hasOutstandingTasks() {
+        return downloadExecutor.getTaskCount() > downloadExecutor.getCompletedTaskCount();
+    }
+
     /**
      * Sets the download executor that will be used to download tiles instead of default one.