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LibWeb: Handle color: currentcolor in compute_properties

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This was the last thing that `compute_defaulted_values` was doing when
called from here.

It also comes with the added benefit of us correctly inheriting animated
colors.
This commit is contained in:
Callum Law 2025-08-20 23:58:48 +12:00 • committed by Jelle Raaijmakers
commit b267012ba7
Notes: github-actions[bot] 2025-08-21 11:50:38 +00:00
1 changed files with 8 additions and 15 deletions
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23
Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -1752,14 +1752,6 @@ void StyleComputer::compute_defaulted_values(ComputedProperties& style, DOM::Ele
auto property_id = (CSS::PropertyID)i;
compute_defaulted_property_value(style, element, property_id, pseudo_element);
}
// https://www.w3.org/TR/css-color-4/#resolving-other-colors
// In the color property, the used value of currentcolor is the inherited value.
auto const& color = style.property(CSS::PropertyID::Color);
if (color.to_keyword() == Keyword::Currentcolor) {
auto const& inherited_value = get_inherit_value(CSS::PropertyID::Color, element, pseudo_element);
style.set_property(CSS::PropertyID::Color, inherited_value);
}
}
Length::FontMetrics StyleComputer::calculate_root_element_font_metrics(ComputedProperties const& style) const
@ -2685,6 +2677,10 @@ GC::Ref<ComputedProperties> StyleComputer::compute_properties(DOM::Element& elem
// If the cascaded value of a property is the unset keyword, then if it is an inherited property, this is treated as inherit, and if it is not, this is treated as initial.
should_inherit |= value && value->is_unset() && is_inherited_property(property_id);
// https://www.w3.org/TR/css-color-4/#resolving-other-colors
// In the color property, the used value of currentcolor is the resolved inherited value.
should_inherit |= property_id == PropertyID::Color && value && value->to_keyword() == Keyword::Currentcolor;
// FIXME: Logical properties should inherit from their parent's equivalent unmapped logical property.
if (should_inherit) {
value = get_inherit_value(property_id, &element, pseudo_element);
@ -2786,20 +2782,17 @@ GC::Ref<ComputedProperties> StyleComputer::compute_properties(DOM::Element& elem
// 4. Absolutize values, turning font/viewport relative lengths into absolute lengths
absolutize_values(computed_style, element);
// 5. Default the values, applying inheritance and 'initial' as needed
compute_defaulted_values(computed_style, &element, pseudo_element);
// 6. Run automatic box type transformations
// 5. Run automatic box type transformations
transform_box_type_if_needed(computed_style, element, pseudo_element);
// 7. Apply any property-specific computed value logic
// 6. Apply any property-specific computed value logic
resolve_effective_overflow_values(computed_style);
compute_text_align(computed_style, element, pseudo_element);
// 8. Let the element adjust computed style
// 7. Let the element adjust computed style
element.adjust_computed_style(computed_style);
// 9. Transition declarations [css-transitions-1]
// 8. Transition declarations [css-transitions-1]
// Theoretically this should be part of the cascade, but it works with computed values, which we don't have until now.
compute_transitioned_properties(computed_style, element, pseudo_element);
if (auto previous_style = element.computed_properties(pseudo_element)) {