1 files changed, 25 insertions, 0 deletions
diff --git a/dom/webidl/MIDIMessageEvent.webidl b/dom/webidl/MIDIMessageEvent.webidl
new file mode 100644
index 0000000000..975ddae4c4
--- /dev/null
+++ b/dom/webidl/MIDIMessageEvent.webidl
@@ -0,0 +1,25 @@
+/* -*- 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
+ * https://webaudio.github.io/web-midi-api/
+ */
+
+[SecureContext,
+ Pref="dom.webmidi.enabled",
+ Exposed=Window]
+interface MIDIMessageEvent : Event
+{
+  [Throws]
+  constructor(DOMString type, optional MIDIMessageEventInit eventInitDict = {});
+
+  [Throws]
+  readonly attribute Uint8Array  data;
+};
+
+dictionary MIDIMessageEventInit : EventInit
+{
+  Uint8Array  data;
+};