chromium/src/third_party/blink/renderer/modules/webmidi/midi_output.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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 * this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_WEBMIDI_MIDI_OUTPUT_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_WEBMIDI_MIDI_OUTPUT_H_

#include <utility>
#include "base/time/time.h"
#include "third_party/blink/renderer/core/typed_arrays/array_buffer_view_helpers.h"
#include "third_party/blink/renderer/core/typed_arrays/dom_typed_array.h"
#include "third_party/blink/renderer/modules/webmidi/midi_port.h"
#include "third_party/blink/renderer/platform/heap/heap_allocator.h"

namespace blink {

class ExceptionState;
class MIDIAccess;

class MIDIOutput final : public MIDIPort {
  DEFINE_WRAPPERTYPEINFO();

 public:
  MIDIOutput(MIDIAccess*,
             unsigned port_index,
             const String& id,
             const String& manufacturer,
             const String& name,
             const String& version,
             midi::mojom::PortState);
  ~MIDIOutput() override;

  void send(NotShared<DOMUint8Array>, double timestamp, ExceptionState&);
  void send(Vector<unsigned>, double timestamp, ExceptionState&);

  // send() without optional |timestamp|.
  void send(NotShared<DOMUint8Array>, ExceptionState&);
  void send(Vector<unsigned>, ExceptionState&);

  void Trace(Visitor*) const override;

 private:
  void DidOpen(bool opened) override;
  void SendInternal(DOMUint8Array*, base::TimeTicks timestamp, ExceptionState&);

  unsigned port_index_;
  HeapVector<std::pair<Member<DOMUint8Array>, base::TimeTicks>> pending_data_;
};

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_WEBMIDI_MIDI_OUTPUT_H_