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LibWeb/CSS: Process style properties from CSSNestedDeclarations rules

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These are created when a style rule has properties listed after another
rule. For example:

```css

.test {
  --a: 1;
  --b: 1;
  --c: 1;

  .thing {
    /* ... */
  }

  /* These are after a rule (.thing) so they're wrapped in a
     CSSNestedDeclarations: */
  --d: 1;
  --e: 1;
  --f: 1;
}
```

They're treated like a nested style rule with the exact same selectors
as their containing style rule.
This commit is contained in:
Sam Atkins
2024-10-17 13:48:00 +01:00
committed by Andreas Kling
parent 53f99e51f8
commit e4245dc39e
6 changed files with 78 additions and 17 deletions
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6
Userland/Libraries/LibWeb/CSS/CSSStyleSheet.cpp
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@@ -300,11 +300,11 @@ void CSSStyleSheet::for_each_effective_rule(TraversalOrder order, Function<void(
m_rules->for_each_effective_rule(order, callback);
}
void CSSStyleSheet::for_each_effective_style_rule(Function<void(CSSStyleRule const&)> const& callback) const
void CSSStyleSheet::for_each_effective_style_producing_rule(Function<void(CSSRule const&)> const& callback) const
{
for_each_effective_rule(TraversalOrder::Preorder, [&](CSSRule const& rule) {
if (rule.type() == CSSRule::Type::Style)
callback(static_cast<CSSStyleRule const&>(rule));
if (rule.type() == CSSRule::Type::Style || rule.type() == CSSRule::Type::NestedDeclarations)
callback(rule);
});
}