ladybird/Libraries/LibWeb/CSS/StyleValues/FontStyleStyleValue.h

/*
 * Copyright (c) 2025, Tim Ledbetter <tim.ledbetter@ladybird.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#pragma once

#include <LibWeb/CSS/StyleValues/StyleValue.h>

namespace Web::CSS {

class FontStyleStyleValue final : public StyleValueWithDefaultOperators<FontStyleStyleValue> {
public:
    static ValueComparingNonnullRefPtr<FontStyleStyleValue const> create(FontStyleKeyword font_style, ValueComparingRefPtr<StyleValue const> angle_value = {})
    {
        return adopt_ref(*new (nothrow) FontStyleStyleValue(font_style, angle_value));
    }

    virtual ~FontStyleStyleValue() override;

    FontStyleKeyword font_style() const { return m_font_style; }
    ValueComparingRefPtr<StyleValue const> angle() const { return m_angle_value; }

    int to_font_slope() const;

    virtual void serialize(StringBuilder&, SerializationMode) const override;
    virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const& computation_context) const override;

    bool equals(StyleValue const& other) const override
    {
        if (type() != other.type())
            return false;
        auto const& other_font_style = other.as_font_style();
        return m_font_style == other_font_style.m_font_style && m_angle_value == other_font_style.m_angle_value;
    }

    bool properties_equal(FontStyleStyleValue const& other) const { return m_font_style == other.m_font_style && m_angle_value == other.m_angle_value; }

    virtual bool is_computationally_independent() const override { return !m_angle_value || m_angle_value->is_computationally_independent(); }

private:
    FontStyleStyleValue(FontStyleKeyword, ValueComparingRefPtr<StyleValue const> angle_value);

    FontStyleKeyword m_font_style;
    ValueComparingRefPtr<StyleValue const> m_angle_value;
};

}