Bug 303916 - JS error when dragging local file over tabs. patch from Martijn Wargers <martijn.martijn@gmail.com>, r=me.

2005-10-15 05:47:54 +00:00 · 2005-10-15 05:47:54 +00:00 · 51adfbc8fb
--- a/toolkit/content/widgets/tabbrowser.xml
+++ b/toolkit/content/widgets/tabbrowser.xml
@ -1483,7 +1483,8 @@
        <parameter name="aDragSession"/>
        <body>
          <![CDATA[
-            if (aDragSession.canDrop && aDragSession.sourceNode.parentNode == this.mTabContainer) {
+            if (aDragSession.canDrop && aDragSession.sourceNode &&
+                aDragSession.sourceNode.parentNode == this.mTabContainer) {
              var newIndex = this.getNewIndex(aEvent);

              var ib = this.mTabDropIndicatorBar;