MIDIMessageEvent.h

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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_MIDIMessageEvent_h

#define mozilla_dom_MIDIMessageEvent_h

#include <cstdint>

#include "js/RootingAPI.h"

#include "mozilla/AlreadyAddRefed.h"

#include "mozilla/Assertions.h"

#include "mozilla/TimeStamp.h"

#include "mozilla/dom/Event.h"

#include "nsCycleCollectionParticipant.h"

#include "nsISupports.h"

#include "nsStringFwd.h"

#include "nsTArray.h"

struct JSContext;

namespace mozilla::dom {

struct MIDIMessageEventInit;

/**

 * Event that fires whenever a MIDI message is received by the MIDIInput object.

*/

class MIDIMessageEvent final : public Event {

 public:

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(MIDIMessageEvent,

                                                         Event)

 protected:

  explicit MIDIMessageEvent(mozilla::dom::EventTarget* aOwner);

  JS::Heap<JSObject*> mData;

 public:

  virtual MIDIMessageEvent* AsMIDIMessageEvent();

  virtual JSObject* WrapObjectInternal(

      JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  static already_AddRefed<MIDIMessageEvent> Constructor(

      EventTarget* aOwner, const class TimeStamp& aReceivedTime,

      const nsTArray<uint8_t>& aData);

  static already_AddRefed<MIDIMessageEvent> Constructor(

      const GlobalObject& aGlobal, const nsAString& aType,

      const MIDIMessageEventInit& aEventInitDict, ErrorResult& aRv);

  // Getter for message data

  void GetData(JSContext* cx, JS::MutableHandle<JSObject*> aData,

               ErrorResult& aRv);

 private:

  ~MIDIMessageEvent();

  nsTArray<uint8_t> mRawData;

};

}  // namespace mozilla::dom

#endif  // mozilla_dom_MIDIMessageEvent_h