ladybird/Userland/Libraries/LibWeb/HTML/AudioTrackList.h
Timothy Flynn c89fd6dff0 LibWeb: Implement the AudioTrack and AudioTrackList interfaces
These are used to own and manage the playing of audio data.
2023-06-13 06:14:01 +02:00

58 lines
1.6 KiB
C++

/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Badge.h>
#include <AK/String.h>
#include <LibJS/Heap/MarkedVector.h>
#include <LibWeb/DOM/EventTarget.h>
#include <LibWeb/HTML/AudioTrack.h>
namespace Web::HTML {
class AudioTrackList final : public DOM::EventTarget {
WEB_PLATFORM_OBJECT(AudioTrackList, DOM::EventTarget);
public:
ErrorOr<void> add_track(Badge<HTMLMediaElement>, JS::NonnullGCPtr<AudioTrack>);
void remove_all_tracks(Badge<HTMLMediaElement>);
// https://html.spec.whatwg.org/multipage/media.html#dom-audiotracklist-length
size_t length() const { return m_audio_tracks.size(); }
JS::GCPtr<AudioTrack> get_track_by_id(StringView id) const;
bool has_enabled_track() const;
template<typename Callback>
void for_each_enabled_track(Callback&& callback)
{
for (auto& audio_track : m_audio_tracks) {
if (audio_track->enabled())
callback(*audio_track);
}
}
void set_onchange(WebIDL::CallbackType*);
WebIDL::CallbackType* onchange();
void set_onaddtrack(WebIDL::CallbackType*);
WebIDL::CallbackType* onaddtrack();
void set_onremovetrack(WebIDL::CallbackType*);
WebIDL::CallbackType* onremovetrack();
private:
explicit AudioTrackList(JS::Realm&);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
virtual JS::ThrowCompletionOr<Optional<JS::PropertyDescriptor>> internal_get_own_property(JS::PropertyKey const& property_name) const override;
JS::MarkedVector<JS::NonnullGCPtr<AudioTrack>> m_audio_tracks;
};
}