Fix box shadow bug with resizing elements in IE9 and IE10.(#14173)

Change-Id: I513340db4123c40bba0832f8af77ec5e725c24e6

2 files changed, 22 insertions, 1 deletions

diff --git a/client/src/com/vaadin/client/Util.java b/client/src/com/vaadin/client/Util.java
index 507a5c2c2d..f175bbe714 100644
--- a/client/src/com/vaadin/client/Util.java
+++ b/client/src/com/vaadin/client/Util.java
@@ -925,12 +925,27 @@ public class Util {
      * Performs a hack to trigger a re-layout in the IE8. This is usually
      * necessary in cases where IE8 "forgets" to update child elements when they
      * resize.
-     * 
+     *
      * @param e
      *            The element to perform the hack on
      */
     public static final void forceIE8Redraw(Element e) {
         if (BrowserInfo.get().isIE8()) {
+            forceIERedraw(e);
+        }
+    }
+
+    /**
+     * Performs a hack to trigger a re-layout in the IE browser. This is usually
+     * necessary in cases where IE "forgets" to update child elements when they
+     * resize.
+     *
+     * @since
+     * @param e
+     *            The element to perform the hack on
+     */
+    public static void forceIERedraw(Element e) {
+        if (BrowserInfo.get().isIE()) {
             setStyleTemporarily(e, "zoom", "1");
         }
     }
diff --git a/client/src/com/vaadin/client/ui/VOverlay.java b/client/src/com/vaadin/client/ui/VOverlay.java
index f9aa2ef2f8..d2c3ee2dae 100644
--- a/client/src/com/vaadin/client/ui/VOverlay.java
+++ b/client/src/com/vaadin/client/ui/VOverlay.java
@@ -656,6 +656,12 @@ public class VOverlay extends PopupPanel implements CloseHandler<PopupPanel> {
                 }
             }
         }
+        // Fix for #14173
+        // IE9 and IE10 have a bug, when resize an a element with box-shadow.
+        // IE9 and IE10 need explicit update to remove extra box-shadows
+        if (BrowserInfo.get().isIE9() || BrowserInfo.get().isIE10()) {
+            Util.forceIERedraw(getElement());
+        }
     }
 
     /**