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LibWeb: Implement selector matching for :indeterminate pseudo-class

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This commit is contained in:
Srikavin Ramkumar 2023-03-20 04:35:43 -04:00 • committed by Sam Atkins
parent d177d83b44
commit c3d6709a9e
4 changed files with 33 additions and 0 deletions
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25
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
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@ -19,6 +19,7 @@
#include <LibWeb/HTML/HTMLInputElement.h>
#include <LibWeb/HTML/HTMLOptGroupElement.h>
#include <LibWeb/HTML/HTMLOptionElement.h>
#include <LibWeb/HTML/HTMLProgressElement.h>
#include <LibWeb/HTML/HTMLSelectElement.h>
#include <LibWeb/HTML/HTMLTextAreaElement.h>
#include <LibWeb/Infra/Strings.h>
@ -96,6 +97,28 @@ static inline bool matches_checked_pseudo_class(DOM::Element const& element)
return false;
}
// https://html.spec.whatwg.org/multipage/semantics-other.html#selector-indeterminate
static inline bool matches_indeterminate_pseudo_class(DOM::Element const& element)
{
// The :indeterminate pseudo-class must match any element falling into one of the following categories:
// - input elements whose type attribute is in the Checkbox state and whose indeterminate IDL attribute is set to true
// FIXME: - input elements whose type attribute is in the Radio Button state and whose radio button group contains no input elements whose checkedness state is true.
if (is<HTML::HTMLInputElement>(element)) {
auto const& input_element = static_cast<HTML::HTMLInputElement const&>(element);
switch (input_element.type_state()) {
case HTML::HTMLInputElement::TypeAttributeState::Checkbox:
return input_element.indeterminate();
default:
return false;
}
}
// - progress elements with no value content attribute
if (is<HTML::HTMLProgressElement>(element)) {
return !element.has_attribute(HTML::AttributeNames::value);
}
return false;
}
static inline bool matches_attribute(CSS::Selector::SimpleSelector::Attribute const& attribute, DOM::Element const& element)
{
if (attribute.match_type == CSS::Selector::SimpleSelector::Attribute::MatchType::HasAttribute) {
@ -241,6 +264,8 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
&& !element.is_actually_disabled();
case CSS::Selector::SimpleSelector::PseudoClass::Type::Checked:
return matches_checked_pseudo_class(element);
case CSS::Selector::SimpleSelector::PseudoClass::Type::Indeterminate:
return matches_indeterminate_pseudo_class(element);
case CSS::Selector::SimpleSelector::PseudoClass::Type::Is:
case CSS::Selector::SimpleSelector::PseudoClass::Type::Where:
for (auto& selector : pseudo_class.argument_selector_list) {