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+/* -*- 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_MIDIOutput_h
+#define mozilla_dom_MIDIOutput_h
+
+#include "mozilla/dom/MIDIPort.h"
+#include "mozilla/Attributes.h"
+#include "nsWrapperCache.h"
+
+struct JSContext;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+
+class MIDIPortInfo;
+class MIDIMessage;
+
+/**
+ * Represents a MIDI Output Port, handles sending message to devices.
+ *
+ */
+class MIDIOutput final : public MIDIPort {
+ public:
+ static RefPtr<MIDIOutput> Create(nsPIDOMWindowInner* aWindow,
+ MIDIAccess* aMIDIAccessParent,
+ const MIDIPortInfo& aPortInfo,
+ const bool aSysexEnabled);
+ ~MIDIOutput() = default;
+
+ JSObject* WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) override;
+
+ // Send a message to an output port
+ void Send(const Sequence<uint8_t>& aData, const Optional<double>& aTimestamp,
+ ErrorResult& aRv);
+ // Clear any partially sent messages from the send queue
+ void Clear();
+
+ private:
+ explicit MIDIOutput(nsPIDOMWindowInner* aWindow);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_MIDIOutput_h