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LibWeb: Support the :root pseudo class

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This commit is contained in:
Linus Groh 2020-05-13 22:38:12 +01:00 committed by Andreas Kling
parent 2f29e61203
commit 7bfd24ca76
Notes: sideshowbarker 2024-07-19 06:39:31 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/7bfd24ca76e
Pull-request: https://github.com/SerenityOS/serenity/pull/2215
5 changed files with 22 additions and 0 deletions
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14
Base/home/anon/www/root.html Normal file
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@ -0,0 +1,14 @@
<!DOCTYPE html>
<html>
<head>
<title>:root test</title>
<style>
:root {
background-color: red;
}
</style>
</head>
<body>
Background will be red.
</body>
</html>

1
Base/home/anon/www/welcome.html
View file

@ -50,6 +50,7 @@ span#ua {
<li><a href="last-child.html">:last-child</a></li>
<li><a href="only-child.html">:only-child</a></li>
<li><a href="empty.html">:empty</a></li>
<li><a href="root.html">:root</a></li>
<li><a href="form.html">form</a></li>
<li><a href="borders.html">borders</a></li>
<li><a href="css.html">css</a></li>

1
Libraries/LibWeb/CSS/Selector.h
View file

@ -53,6 +53,7 @@ public:
LastChild,
OnlyChild,
Empty,
Root,
};
PseudoClass pseudo_class { PseudoClass::None };

4
Libraries/LibWeb/CSS/SelectorEngine.cpp
View file

@ -75,6 +75,10 @@ bool matches(const Selector::SimpleSelector& component, const Element& element)
if (element.first_child_of_type<Element>() || element.first_child_of_type<Text>())
return false;
break;
case Selector::SimpleSelector::PseudoClass::Root:
if (!element.is_html_element())
return false;
break;
}
switch (component.attribute_match_type) {

2
Libraries/LibWeb/Parser/CSSParser.cpp
View file

@ -414,6 +414,8 @@ public:
simple_selector.pseudo_class = Selector::SimpleSelector::PseudoClass::OnlyChild;
else if (pseudo_name.equals_ignoring_case("empty"))
simple_selector.pseudo_class = Selector::SimpleSelector::PseudoClass::Empty;
else if (pseudo_name.equals_ignoring_case("root"))
simple_selector.pseudo_class = Selector::SimpleSelector::PseudoClass::Root;
}
if (index == index_at_start) {