third_party/WebKit/Source/modules/webmidi/MIDIInput.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 */

#ifndef MIDIInput_h
#define MIDIInput_h

#include "media/midi/midi_service.mojom-blink.h"
#include "modules/EventTargetModules.h"
#include "modules/webmidi/MIDIAccessor.h"
#include "modules/webmidi/MIDIPort.h"

namespace blink {

class MIDIAccess;

class MIDIInput final : public MIDIPort {
  DEFINE_WRAPPERTYPEINFO();

 public:
  static MIDIInput* Create(MIDIAccess*,
                           const String& id,
                           const String& manufacturer,
                           const String& name,
                           const String& version,
                           midi::mojom::PortState);
  ~MIDIInput() override {}

  EventListener* onmidimessage();
  void setOnmidimessage(EventListener*);

  // EventTarget
  const AtomicString& InterfaceName() const override {
    return EventTargetNames::MIDIInput;
  }

  // |timeStamp| is a DOMHighResTimeStamp in the time coordinate system of
  // performance.now().
  void DidReceiveMIDIData(unsigned port_index,
                          const unsigned char* data,
                          size_t length,
                          double time_stamp);

  virtual void Trace(blink::Visitor*);

 protected:
  void AddedEventListener(const AtomicString& event_type,
                          RegisteredEventListener&) override;

 private:
  MIDIInput(MIDIAccess*,
            const String& id,
            const String& manufacturer,
            const String& name,
            const String& version,
            midi::mojom::PortState);
};

}  // namespace blink

#endif  // MIDIInput_h