1 files changed, 36 insertions, 0 deletions
diff --git a/dom/midi/MIDIManagerChild.h b/dom/midi/MIDIManagerChild.h
new file mode 100644
index 0000000000..610105de9c
--- /dev/null
+++ b/dom/midi/MIDIManagerChild.h
@@ -0,0 +1,36 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+#ifndef mozilla_dom_MIDIManagerChild_h
+#define mozilla_dom_MIDIManagerChild_h
+
+#include "mozilla/dom/PMIDIManagerChild.h"
+
+namespace mozilla::dom {
+
+/**
+ * Actor implementation for the Child side of MIDIManager (represented in DOM by
+ * MIDIAccess). Manages actor lifetime so that we know to shut down services
+ * when all MIDIManagers are gone. Also receives port list update on MIDIAccess
+ * object creation.
+ *
+ */
+class MIDIManagerChild final : public PMIDIManagerChild {
+ public:
+  NS_INLINE_DECL_REFCOUNTING(MIDIManagerChild)
+
+  MIDIManagerChild();
+  mozilla::ipc::IPCResult RecvMIDIPortListUpdate(const MIDIPortList& aPortList);
+  void Shutdown();
+
+ private:
+  ~MIDIManagerChild() = default;
+  bool mShutdown;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_MIDIManagerChild_h