ladybird/Libraries/LibWeb/CSS/StyleValues/RatioStyleValue.h
Callum Law ed2909674f LibWeb: Add computationally independent check for custom properties
Registered custom properties only accept "computationally independent"
values for their initial value
2026-03-26 01:11:39 +00:00

48 lines
1.7 KiB
C++

/*
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/StyleValues/StyleValue.h>
namespace Web::CSS {
class RatioStyleValue final : public StyleValueWithDefaultOperators<RatioStyleValue> {
public:
static ValueComparingNonnullRefPtr<RatioStyleValue const> create(ValueComparingNonnullRefPtr<StyleValue const> numerator, ValueComparingNonnullRefPtr<StyleValue const> denominator)
{
return adopt_ref(*new (nothrow) RatioStyleValue(move(numerator), move(denominator)));
}
virtual ~RatioStyleValue() override = default;
Ratio resolved() const;
virtual ValueComparingNonnullRefPtr<StyleValue const> absolutized(ComputationContext const&) const override;
virtual void serialize(StringBuilder&, SerializationMode) const override;
Vector<Parser::ComponentValue> tokenize() const override;
bool properties_equal(RatioStyleValue const& other) const
{
return m_numerator == other.m_numerator
&& m_denominator == other.m_denominator;
}
virtual bool is_computationally_independent() const override { return m_numerator->is_computationally_independent() && m_denominator->is_computationally_independent(); }
private:
RatioStyleValue(ValueComparingNonnullRefPtr<StyleValue const> numerator, ValueComparingNonnullRefPtr<StyleValue const> denominator)
: StyleValueWithDefaultOperators(Type::Ratio)
, m_numerator(move(numerator))
, m_denominator(move(denominator))
{
}
ValueComparingNonnullRefPtr<StyleValue const> m_numerator;
ValueComparingNonnullRefPtr<StyleValue const> m_denominator;
};
}