1 files changed, 30 insertions, 0 deletions
diff --git a/dom/webidl/CustomEvent.webidl b/dom/webidl/CustomEvent.webidl
new file mode 100644
index 0000000000..6543bb1e86
--- /dev/null
+++ b/dom/webidl/CustomEvent.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/.
+ *
+ * The origin of this IDL file is
+ * http://www.w3.org/TR/2012/WD-dom-20120105/
+ *
+ * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
+ * liability, trademark and document use rules apply.
+ */
+
+[Exposed=(Window, Worker)]
+interface CustomEvent : Event
+{
+  constructor(DOMString type, optional CustomEventInit eventInitDict = {});
+
+  readonly attribute any detail;
+
+  // initCustomEvent is a Gecko specific deprecated method.
+  undefined initCustomEvent(DOMString type,
+                            optional boolean canBubble = false,
+                            optional boolean cancelable = false,
+                            optional any detail = null);
+};
+
+dictionary CustomEventInit : EventInit
+{
+  any detail = null;
+};