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CSSTransformComponents hold other CSSStyleValues as their parameters. We want to be able to create internal representations from those parameters without them caring if they would be valid when directly assigned to the property. This is a temporary solution to make transform functions work. To be completely correct, we need to know what is allowed in that context, along with value ranges - a combination of the contexts we create when parsing, and when computing calculations. For transform functions, this doesn't matter, as there's no limit to the range of allowed values.
50 lines
1.7 KiB
C++
50 lines
1.7 KiB
C++
/*
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* Copyright (c) 2025, Sam Atkins <sam@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/FlyString.h>
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#include <LibWeb/CSS/CSSNumericValue.h>
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namespace Web::CSS {
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// https://drafts.css-houdini.org/css-typed-om-1/#cssunitvalue
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class CSSUnitValue final : public CSSNumericValue {
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WEB_PLATFORM_OBJECT(CSSUnitValue, CSSNumericValue);
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GC_DECLARE_ALLOCATOR(CSSUnitValue);
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public:
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[[nodiscard]] static GC::Ref<CSSUnitValue> create(JS::Realm&, double value, FlyString unit);
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static GC::Ptr<CSSUnitValue> create_from_sum_value_item(JS::Realm&, SumValueItem const&);
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static WebIDL::ExceptionOr<GC::Ref<CSSUnitValue>> construct_impl(JS::Realm&, double value, FlyString unit);
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virtual ~CSSUnitValue() override = default;
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double value() const { return m_value; }
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void set_value(double value);
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FlyString const& unit() const { return m_unit; }
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String serialize_unit_value(Optional<double> minimum, Optional<double> maximum) const;
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GC::Ptr<CSSUnitValue> converted_to_unit(FlyString const& unit) const;
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virtual bool is_equal_numeric_value(GC::Ref<CSSNumericValue> other) const override;
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virtual Optional<SumValue> create_a_sum_value() const override;
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virtual WebIDL::ExceptionOr<NonnullRefPtr<StyleValue const>> create_an_internal_representation(PropertyNameAndID const&, PerformTypeCheck) const override;
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virtual WebIDL::ExceptionOr<NonnullRefPtr<CalculationNode const>> create_calculation_node(CalculationContext const&) const override;
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private:
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explicit CSSUnitValue(JS::Realm&, double value, FlyString unit, NumericType type);
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virtual void initialize(JS::Realm&) override;
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double m_value;
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FlyString m_unit;
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};
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}
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