jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#pragma once
8
9#include <AK/Forward.h>
10#include <LibWeb/CSS/MediaQuery.h>
11#include <LibWeb/DOM/EventTarget.h>
12
13namespace Web::CSS {
14
15// 4.2. The MediaQueryList Interface, https://drafts.csswg.org/cssom-view/#the-mediaquerylist-interface
16class MediaQueryList final : public DOM::EventTarget {
17 WEB_PLATFORM_OBJECT(MediaQueryList, DOM::EventTarget);
18
19public:
20 static WebIDL::ExceptionOr<JS::NonnullGCPtr<MediaQueryList>> create(DOM::Document&, Vector<NonnullRefPtr<MediaQuery>>&&);
21
22 virtual ~MediaQueryList() override = default;
23
24 DeprecatedString media() const;
25 bool matches() const;
26 bool evaluate();
27
28 void add_listener(DOM::IDLEventListener*);
29 void remove_listener(DOM::IDLEventListener*);
30
31 void set_onchange(WebIDL::CallbackType*);
32 WebIDL::CallbackType* onchange();
33
34private:
35 MediaQueryList(DOM::Document&, Vector<NonnullRefPtr<MediaQuery>>&&);
36
37 virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
38 virtual void visit_edges(Cell::Visitor&) override;
39
40 JS::NonnullGCPtr<DOM::Document> m_document;
41 Vector<NonnullRefPtr<MediaQuery>> m_media;
42};
43
44}