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