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LibWeb: Make :link selector behave according to spec

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It should match any `a` or `area` element that has an `href` attribute,
not any element *inside* an enclosing linked element.
This commit is contained in:
Andreas Kling 2022-09-14 13:29:07 +02:00
parent f25203f245
commit 4b9c5635b3
3 changed files with 12 additions and 8 deletions
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13
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
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@ -11,6 +11,8 @@
#include <LibWeb/DOM/Element.h>
#include <LibWeb/DOM/Text.h>
#include <LibWeb/HTML/AttributeNames.h>
#include <LibWeb/HTML/HTMLAnchorElement.h>
#include <LibWeb/HTML/HTMLAreaElement.h>
#include <LibWeb/HTML/HTMLHtmlElement.h>
#include <LibWeb/HTML/HTMLInputElement.h>
@ -44,6 +46,15 @@ static inline bool matches_lang_pseudo_class(DOM::Element const& element, Vector
return false;
}
// https://html.spec.whatwg.org/multipage/semantics-other.html#selector-link
static inline bool matches_link_pseudo_class(DOM::Element const& element)
{
// All a elements that have an href attribute, and all area elements that have an href attribute, must match one of :link and :visited.
if (!is<HTML::HTMLAnchorElement>(element) && !is<HTML::HTMLAreaElement>(element))
return false;
return element.has_attribute(HTML::AttributeNames::href);
}
static inline bool matches_hover_pseudo_class(DOM::Element const& element)
{
auto* hovered_node = element.document().hovered_node();
@ -163,7 +174,7 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
{
switch (pseudo_class.type) {
case CSS::Selector::SimpleSelector::PseudoClass::Type::Link:
return element.is_link();
return matches_link_pseudo_class(element);
case CSS::Selector::SimpleSelector::PseudoClass::Type::Visited:
// FIXME: Maybe match this selector sometimes?
return false;