ladybird/Userland/Libraries/LibWeb/CSS/CSSSupportsRule.h

/*
 * Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <AK/NonnullRefPtr.h>
#include <AK/NonnullRefPtrVector.h>
#include <LibWeb/CSS/CSSConditionRule.h>
#include <LibWeb/CSS/CSSRule.h>
#include <LibWeb/CSS/Supports.h>
#include <LibWeb/Forward.h>

namespace Web::CSS {

// https://www.w3.org/TR/css-conditional-3/#the-csssupportsrule-interface
class CSSSupportsRule final : public CSSConditionRule {
    AK_MAKE_NONCOPYABLE(CSSSupportsRule);
    AK_MAKE_NONMOVABLE(CSSSupportsRule);

public:
    static NonnullRefPtr<CSSSupportsRule> create(NonnullRefPtr<Supports>&& supports, NonnullRefPtrVector<CSSRule>&& rules)
    {
        return adopt_ref(*new CSSSupportsRule(move(supports), move(rules)));
    }

    ~CSSSupportsRule() = default;

    virtual StringView class_name() const override { return "CSSSupportsRule"; };
    virtual Type type() const override { return Type::Supports; };

    String condition_text() const override;
    void set_condition_text(String) override;
    virtual bool condition_matches() const override { return m_supports->matches(); }

private:
    explicit CSSSupportsRule(NonnullRefPtr<Supports>&&, NonnullRefPtrVector<CSSRule>&&);

    virtual String serialized() const override;

    NonnullRefPtr<Supports> m_supports;
};

template<>
inline bool CSSRule::fast_is<CSSSupportsRule>() const { return type() == CSSRule::Type::Supports; }

}