ladybird/Libraries/LibWeb/CSS/StyleValues/EdgeStyleValue.cpp
Sam Atkins 4efdb76857 LibWeb/CSS: Give calc() a CalculationContext for resolving percentages
This is passed in at construction, meaning we will be able to refer to
it later, when we're no longer inside the Parser.
2025-01-13 10:59:16 +00:00

51 lines
1.9 KiB
C++

/*
* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "EdgeStyleValue.h"
namespace Web::CSS {
String EdgeStyleValue::to_string(SerializationMode mode) const
{
if (mode == CSSStyleValue::SerializationMode::ResolvedValue) {
if (edge() == PositionEdge::Right || edge() == PositionEdge::Bottom) {
if (offset().is_percentage()) {
auto flipped_percentage = 100 - offset().percentage().value();
return Percentage(flipped_percentage).to_string();
}
// FIXME: Figure out how to get the proper calculation context here
CalculationContext context = {};
Vector<NonnullOwnPtr<CalculationNode>> sum_parts;
sum_parts.append(NumericCalculationNode::create(Percentage(100), context));
if (offset().is_length()) {
sum_parts.append(NegateCalculationNode::create(NumericCalculationNode::create(offset().length(), context)));
} else {
// FIXME: Flip calculated offsets (convert CalculatedStyleValue to CalculationNode, then negate and append)
return to_string(CSSStyleValue::SerializationMode::Normal);
}
auto flipped_absolute = CalculatedStyleValue::create(SumCalculationNode::create(move(sum_parts)), CSSNumericType(CSSNumericType::BaseType::Length, 1), context);
return flipped_absolute->to_string(mode);
}
return offset().to_string();
}
StringBuilder builder;
if (m_properties.edge.has_value())
builder.append(CSS::to_string(m_properties.edge.value()));
if (m_properties.edge.has_value() && m_properties.offset.has_value())
builder.append(' ');
if (m_properties.offset.has_value())
builder.append(m_properties.offset->to_string());
return builder.to_string_without_validation();
}
}