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LibWeb/CSS: Resolve NumericCalculationNode to percentage when requested

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When the caller of NumericCalculationNode::resolve() does not provide
a percentage_basis, it expects the method to return a raw percentage
value.

Fixes crashing on https://discord.com/login
This commit is contained in:
Aliaksandr Kalenik 2024-01-11 06:49:07 +01:00 • committed by Andreas Kling
parent 1593ff2d4c
commit 225ed58f7e
3 changed files with 15 additions and 1 deletions
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4
Userland/Libraries/LibWeb/CSS/StyleValues/CalculatedStyleValue.cpp
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@ -220,9 +220,11 @@ bool NumericCalculationNode::contains_percentage() const
CalculatedStyleValue::CalculationResult NumericCalculationNode::resolve(Optional<Length::ResolutionContext const&>, CalculatedStyleValue::PercentageBasis const& percentage_basis) const
{
if (m_value.has<Percentage>()) {
// NOTE: Depending on whether percentage_basis is set, the caller of resolve() is expecting a raw percentage or
// resolved length.
return percentage_basis.visit(
[&](Empty const&) -> CalculatedStyleValue::CalculationResult {
VERIFY_NOT_REACHED();
return m_value;
},
[&](auto const& value) {
return CalculatedStyleValue::CalculationResult(value.percentage_of(m_value.get<Percentage>()));