1 files changed, 36 insertions, 0 deletions
diff --git a/dom/midi/MIDIManagerParent.h b/dom/midi/MIDIManagerParent.h
new file mode 100644
index 0000000000..6714ed6ab4
--- /dev/null
+++ b/dom/midi/MIDIManagerParent.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_MIDIManagerParent_h
+#define mozilla_dom_MIDIManagerParent_h
+
+#include "mozilla/dom/PMIDIManagerParent.h"
+
+namespace mozilla {
+namespace dom {
+
+/**
+ * Actor implementation for the Parent (PBackground thread) side of MIDIManager
+ * (represented in DOM by MIDIAccess). Manages actor lifetime so that we know
+ * to shut down services when all MIDIManagers are gone.
+ *
+ */
+class MIDIManagerParent final : public PMIDIManagerParent {
+ public:
+  NS_INLINE_DECL_REFCOUNTING(MIDIManagerParent);
+  MIDIManagerParent() = default;
+  mozilla::ipc::IPCResult RecvShutdown();
+  void Teardown();
+  void ActorDestroy(ActorDestroyReason aWhy) override;
+
+ private:
+  ~MIDIManagerParent() = default;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_MIDIManagerParent_h