Bug 1431000 - Introduce nsINode::InsertChildBefore, r=catalinb

2018-01-25 15:59:42 +01:00
parent eee774394a
commit d7fcfacf9a
21 changed files with 212 additions and 1 deletions
--- a/dom/html/HTMLSelectElement.cpp
+++ b/dom/html/HTMLSelectElement.cpp
@@ -203,6 +203,22 @@ HTMLSelectElement::GetAutocompleteInfo(AutocompleteInfo& aInfo)
                                                   true);
 }

+nsresult
+HTMLSelectElement::InsertChildBefore(nsIContent* aKid,
+                                     nsIContent* aBeforeThis,
+                                     bool aNotify)
+{
+  int32_t index = aBeforeThis ? ComputeIndexOf(aBeforeThis) : GetChildCount();
+  SafeOptionListMutation safeMutation(this, this, aKid, index, aNotify);
+  nsresult rv =
+    nsGenericHTMLFormElementWithState::InsertChildBefore(aKid, aBeforeThis,
+                                                         aNotify);
+  if (NS_FAILED(rv)) {
+    safeMutation.MutationFailed();
+  }
+  return rv;
+}
+
 nsresult
 HTMLSelectElement::InsertChildAt_Deprecated(nsIContent* aKid,
                                            uint32_t aIndex,