Bug 899931 - Part b: Introduce a nice nsListControlFrame::GetOption; r=dzbarsky

2013-08-02 09:07:04 +02:00
parent ba9f10d9b3
commit a4aab7aad0
2 changed files with 20 additions and 0 deletions
--- a/layout/forms/nsListControlFrame.cpp
+++ b/layout/forms/nsListControlFrame.cpp
@@ -1056,6 +1056,16 @@ nsListControlFrame::GetOptions(nsIContent * aContent)
  return options.forget();
 }

+dom::HTMLOptionElement*
+nsListControlFrame::GetOption(uint32_t aIndex) const
+{
+  dom::HTMLSelectElement* select =
+    dom::HTMLSelectElement::FromContentOrNull(mContent);
+  NS_ENSURE_TRUE(select, nullptr);
+
+  return select->Item(aIndex);
+}
+
 already_AddRefed<nsIDOMHTMLOptionElement>
 nsListControlFrame::GetOption(nsIDOMHTMLOptionsCollection* aCollection,
                              int32_t aIndex)