fixes #4602, avoid problems when reattaching hidden progress indicator

svn changeset:12860/svn branch:6.3

diff --git a/src/com/vaadin/terminal/gwt/client/ui/VProgressIndicator.java b/src/com/vaadin/terminal/gwt/client/ui/VProgressIndicator.java
index ab9f20bcc375795d332d401acc00ed7773c6a3e5..65fb5179e979375ad5d4318ed73e06ea746fd3e1 100644 (file)
--- a/src/com/vaadin/terminal/gwt/client/ui/VProgressIndicator.java
+++ b/src/com/vaadin/terminal/gwt/client/ui/VProgressIndicator.java
@@ -76,8 +76,10 @@ public class VProgressIndicator extends Widget implements Paintable {
     @Override
     protected void onDetach() {
         super.onDetach();
-        poller.cancel();
-        pollerSuspendedDueDetach = true;
+        if (interval > 0) {
+            poller.cancel();
+            pollerSuspendedDueDetach = true;
+        }
     }
 
     @Override