1 files changed, 28 insertions, 0 deletions
diff --git a/dom/midi/PMIDIPort.ipdl b/dom/midi/PMIDIPort.ipdl
new file mode 100644
index 0000000000..fc8369a1b1
--- /dev/null
+++ b/dom/midi/PMIDIPort.ipdl
@@ -0,0 +1,28 @@
+/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* 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/. */
+
+include MIDITypes;
+
+namespace mozilla {
+namespace dom {
+
+async protocol PMIDIPort
+{
+parent:
+  async Shutdown();
+  async Send(MIDIMessage[] msg);
+  async Open();
+  async Close();
+  async Clear();
+child:
+  async Receive(MIDIMessage[] msg);
+  // Actually takes a MIDIDeviceConnectionState and MIDIPortConnectionState
+  // respectively.
+  async UpdateStatus(uint32_t deviceState, uint32_t connectionState);
+};
+
+}
+}