1 files changed, 21 insertions, 0 deletions
diff --git a/dom/webidl/ListBoxObject.webidl b/dom/webidl/ListBoxObject.webidl
new file mode 100644
index 000000000..5e11e923f
--- /dev/null
+++ b/dom/webidl/ListBoxObject.webidl
@@ -0,0 +1,21 @@
+
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+[NoInterfaceObject]
+interface ListBoxObject : BoxObject {
+
+  long getRowCount();
+  long getNumberOfVisibleRows();
+  long getIndexOfFirstVisibleRow();
+
+  void ensureIndexIsVisible(long rowIndex);
+  void scrollToIndex(long rowIndex);
+  void scrollByLines(long numLines);
+
+  Element? getItemAtIndex(long index);
+  long getIndexOfItem(Element item);
+};