Don't update primary stylename if it's already up to date (#11088)

Change-Id: I059d7ec83f8c4ae43d2ab6e2c80177675c6881d0

diff --git a/client/src/com/vaadin/client/ui/AbstractComponentConnector.java b/client/src/com/vaadin/client/ui/AbstractComponentConnector.java
index 51051644c02bddcc7bdd4cdc1f2541a8b0d3e4cf..694db6f02c19a3413c69c5dbac2f297a1fbe0cda 100644 (file)
--- a/client/src/com/vaadin/client/ui/AbstractComponentConnector.java
+++ b/client/src/com/vaadin/client/ui/AbstractComponentConnector.java
@@ -284,7 +284,8 @@ public abstract class AbstractComponentConnector extends AbstractConnector
         AbstractComponentState state = getState();
 
         String primaryStyleName = getWidget().getStylePrimaryName();
-        if (state.primaryStyleName != null) {
+        if (state.primaryStyleName != null
+                && !state.primaryStyleName.equals(primaryStyleName)) {
             /*
              * We overwrite the widgets primary stylename if state defines a
              * primary stylename.