ladybird/Libraries/LibWeb/HTML/TrackEvent.h

47 lines
1.4 KiB
C++

/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
* Copyright (c) 2026, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FlyString.h>
#include <AK/Optional.h>
#include <AK/Variant.h>
#include <LibGC/Root.h>
#include <LibWeb/DOM/Event.h>
namespace Web::HTML {
using NullableTrackType = Variant<GC::Root<VideoTrack>, GC::Root<AudioTrack>, GC::Root<TextTrack>, Empty>;
struct TrackEventInit : public DOM::EventInit {
NullableTrackType track { Empty {} };
};
class TrackEvent : public DOM::Event {
WEB_PLATFORM_OBJECT(TrackEvent, DOM::Event);
GC_DECLARE_ALLOCATOR(TrackEvent);
public:
[[nodiscard]] static GC::Ref<TrackEvent> create(JS::Realm&, FlyString const& event_name, TrackEventInit = {});
static WebIDL::ExceptionOr<GC::Ref<TrackEvent>> construct_impl(JS::Realm&, FlyString const& event_name, TrackEventInit);
// https://html.spec.whatwg.org/multipage/media.html#dom-trackevent-track
NullableTrackType track() const;
private:
TrackEvent(JS::Realm&, FlyString const& event_name, TrackEventInit event_init);
virtual void initialize(JS::Realm&) override;
virtual void visit_edges(Visitor&) override;
using TrackTypeInternal = Variant<Empty, GC::Ref<VideoTrack>, GC::Ref<AudioTrack>, GC::Ref<TextTrack>>;
static TrackTypeInternal to_track_type_internal(NullableTrackType const&);
TrackTypeInternal m_track;
};
}