gecko-dev/dom/midi/MIDIMessageEvent.h
2021-12-01 13:49:40 +00:00

63 lines
1.9 KiB
C++

/* -*- 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