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LibWeb/CSS: Give calc() a CalculationContext for resolving percentages

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This is passed in at construction, meaning we will be able to refer to
it later, when we're no longer inside the Parser.
This commit is contained in:
Sam Atkins 2025-01-08 16:14:17 +00:00
commit 4efdb76857
Notes: github-actions[bot] 2025-01-13 11:00:31 +00:00
8 changed files with 111 additions and 84 deletions
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17
Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.h
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@ -24,6 +24,11 @@ namespace Web::CSS {
class CalculationNode;
// https://drafts.csswg.org/css-values-4/#ref-for-calc-calculation%E2%91%A2%E2%91%A7
struct CalculationContext {
Optional<ValueType> percentages_resolve_as {};
};
class CalculatedStyleValue : public CSSStyleValue {
public:
using PercentageBasis = Variant<Empty, Angle, Flex, Frequency, Length, Time>;
@ -56,9 +61,9 @@ public:
Optional<CSSNumericType> m_type;
};
static ValueComparingNonnullRefPtr<CalculatedStyleValue> create(NonnullOwnPtr<CalculationNode> calculation, CSSNumericType resolved_type)
static ValueComparingNonnullRefPtr<CalculatedStyleValue> create(NonnullOwnPtr<CalculationNode> calculation, CSSNumericType resolved_type, CalculationContext context)
{
return adopt_ref(*new (nothrow) CalculatedStyleValue(move(calculation), resolved_type));
return adopt_ref(*new (nothrow) CalculatedStyleValue(move(calculation), move(resolved_type), move(context)));
}
virtual String to_string(SerializationMode) const override;
@ -113,15 +118,17 @@ public:
String dump() const;
private:
explicit CalculatedStyleValue(NonnullOwnPtr<CalculationNode> calculation, CSSNumericType resolved_type)
explicit CalculatedStyleValue(NonnullOwnPtr<CalculationNode> calculation, CSSNumericType resolved_type, CalculationContext context)
: CSSStyleValue(Type::Calculated)
, m_resolved_type(resolved_type)
, m_resolved_type(move(resolved_type))
, m_calculation(move(calculation))
, m_context(move(context))
{
}
CSSNumericType m_resolved_type;
NonnullOwnPtr<CalculationNode> m_calculation;
CalculationContext m_context;
};
// https://www.w3.org/TR/css-values-4/#calculation-tree
@ -258,7 +265,7 @@ private:
class NumericCalculationNode final : public CalculationNode {
public:
static NonnullOwnPtr<NumericCalculationNode> create(NumericValue, Optional<ValueType> percentage_resolved_type = {});
static NonnullOwnPtr<NumericCalculationNode> create(NumericValue, CalculationContext const&);
~NumericCalculationNode();
virtual String to_string() const override;