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LibWeb: Add CSS CompositeStyleValue

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This represents the value of properties assigned via their shorthands,
and is expanded when computing actual property values.
This commit is contained in:
Ali Mohammad Pur 2023-05-26 23:16:43 +03:30 • committed by Andreas Kling
parent 49bb04a6ba
commit 279924242d
9 changed files with 209 additions and 13 deletions
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13
Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -25,11 +25,13 @@
#include <LibWeb/CSS/SelectorEngine.h>
#include <LibWeb/CSS/StyleComputer.h>
#include <LibWeb/CSS/StyleSheet.h>
#include <LibWeb/CSS/StyleValues/AngleStyleValue.h>
#include <LibWeb/CSS/StyleValues/BackgroundStyleValue.h>
#include <LibWeb/CSS/StyleValues/BorderRadiusShorthandStyleValue.h>
#include <LibWeb/CSS/StyleValues/BorderRadiusStyleValue.h>
#include <LibWeb/CSS/StyleValues/BorderStyleValue.h>
#include <LibWeb/CSS/StyleValues/ColorStyleValue.h>
#include <LibWeb/CSS/StyleValues/CompositeStyleValue.h>
#include <LibWeb/CSS/StyleValues/DisplayStyleValue.h>
#include <LibWeb/CSS/StyleValues/FilterValueListStyleValue.h>
#include <LibWeb/CSS/StyleValues/FlexFlowStyleValue.h>
@ -47,8 +49,11 @@
#include <LibWeb/CSS/StyleValues/OverflowStyleValue.h>
#include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
#include <LibWeb/CSS/StyleValues/PositionStyleValue.h>
#include <LibWeb/CSS/StyleValues/RectStyleValue.h>
#include <LibWeb/CSS/StyleValues/StyleValueList.h>
#include <LibWeb/CSS/StyleValues/TextDecorationStyleValue.h>
#include <LibWeb/CSS/StyleValues/TimeStyleValue.h>
#include <LibWeb/CSS/StyleValues/TransformationStyleValue.h>
#include <LibWeb/CSS/StyleValues/UnresolvedStyleValue.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Element.h>
@ -274,6 +279,14 @@ static bool contains(Edge a, Edge b)
static void set_property_expanding_shorthands(StyleProperties& style, CSS::PropertyID property_id, StyleValue const& value, DOM::Document& document)
{
if (value.is_composite()) {
auto& composite_value = value.as_composite();
auto& properties = composite_value.sub_properties();
auto& values = composite_value.values();
for (size_t i = 0; i < properties.size(); ++i)
set_property_expanding_shorthands(style, properties[i], values[i], document);
}
auto assign_edge_values = [&style](PropertyID top_property, PropertyID right_property, PropertyID bottom_property, PropertyID left_property, auto const& values) {
if (values.size() == 4) {
style.set_property(top_property, values[0]);