Bug 308098 - richlistbox throws a JS erorr when opening the Download manager. patch from zeniko@gmail.com, r=mconnor.

2005-09-15 21:48:13 +00:00 · 2005-09-15 21:48:13 +00:00 · dc47e7f1e6
--- a/toolkit/content/widgets/richlistbox.xml
+++ b/toolkit/content/widgets/richlistbox.xml
@ -256,9 +256,9 @@

            this._selectedItem = aItem;
            this._selectedIndex = this.getIndexOf(aItem);
+            this.ensureSelectedElementIsVisible();

            if (aItem) {
-              this.ensureSelectedElementIsVisible();
              aItem.selected = true;
              aItem.focus();
            }
@ -347,7 +347,8 @@
        <parameter name="aElement"/>
        <body>
          <![CDATA[
-            this.scrollBoxObject.ensureElementIsVisible(aElement);
+            if (aElement)
+              this.scrollBoxObject.ensureElementIsVisible(aElement);
          ]]>
        </body>
      </method>