1 files changed, 40 insertions, 0 deletions
diff --git a/dom/webidl/MIDIPort.webidl b/dom/webidl/MIDIPort.webidl
new file mode 100644
index 0000000000..c698ed470d
--- /dev/null
+++ b/dom/webidl/MIDIPort.webidl
@@ -0,0 +1,40 @@
+/* -*- 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/
+ */
+
+enum MIDIPortType {
+  "input",
+  "output"
+};
+
+enum MIDIPortDeviceState {
+  "disconnected",
+  "connected"
+};
+
+enum MIDIPortConnectionState {
+  "open",
+  "closed",
+  "pending"
+};
+
+[SecureContext, Pref="dom.webmidi.enabled",
+ Exposed=Window]
+interface MIDIPort : EventTarget {
+  readonly attribute DOMString    id;
+  readonly attribute DOMString?   manufacturer;
+  readonly attribute DOMString?   name;
+  readonly attribute DOMString?   version;
+  readonly attribute MIDIPortType type;
+  readonly attribute MIDIPortDeviceState state;
+  readonly attribute MIDIPortConnectionState connection;
+           attribute EventHandler onstatechange;
+  Promise<MIDIPort> open();
+  Promise<MIDIPort> close();
+};
+