1 files changed, 30 insertions, 0 deletions
diff --git a/dom/webidl/MouseScrollEvent.webidl b/dom/webidl/MouseScrollEvent.webidl
new file mode 100644
index 000000000..aa9e30fd2
--- /dev/null
+++ b/dom/webidl/MouseScrollEvent.webidl
@@ -0,0 +1,30 @@
+/* -*- 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/.
+ */
+
+interface MouseScrollEvent : MouseEvent
+{
+  const long HORIZONTAL_AXIS = 1;
+  const long VERTICAL_AXIS = 2;
+
+  readonly attribute long axis;
+
+  void initMouseScrollEvent(DOMString type,
+                            boolean canBubble,
+                            boolean cancelable,
+                            Window? view,
+                            long detail,
+                            long screenX,
+                            long screenY,
+                            long clientX,
+                            long clientY,
+                            boolean ctrlKey,
+                            boolean altKey,
+                            boolean shiftKey,
+                            boolean metaKey,
+                            unsigned short button,
+                            EventTarget? relatedTarget,
+                            long axis);
+};