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Serenity Operating System
1/*
2 * Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
3 * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
4 *
5 * SPDX-License-Identifier: BSD-2-Clause
6 */
7
8#pragma once
9
10#include <LibWeb/CSS/CSSConditionRule.h>
11#include <LibWeb/CSS/MediaList.h>
12#include <LibWeb/Forward.h>
13
14namespace Web::CSS {
15
16// https://www.w3.org/TR/css-conditional-3/#the-cssmediarule-interface
17class CSSMediaRule final : public CSSConditionRule {
18 WEB_PLATFORM_OBJECT(CSSMediaRule, CSSConditionRule);
19
20public:
21 static WebIDL::ExceptionOr<JS::NonnullGCPtr<CSSMediaRule>> create(JS::Realm&, MediaList& media_queries, CSSRuleList&);
22
23 virtual ~CSSMediaRule() = default;
24
25 virtual Type type() const override { return Type::Media; };
26
27 virtual DeprecatedString condition_text() const override;
28 virtual void set_condition_text(DeprecatedString) override;
29 virtual bool condition_matches() const override { return m_media.matches(); }
30
31 MediaList* media() const { return &m_media; }
32
33 bool evaluate(HTML::Window const& window) { return m_media.evaluate(window); }
34
35private:
36 CSSMediaRule(JS::Realm&, MediaList&, CSSRuleList&);
37
38 virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
39 virtual void visit_edges(Cell::Visitor&) override;
40 virtual DeprecatedString serialized() const override;
41
42 MediaList& m_media;
43};
44
45template<>
46inline bool CSSRule::fast_is<CSSMediaRule>() const { return type() == CSSRule::Type::Media; }
47
48}