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LibWeb: Implement element-referencing ARIA attributes

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There are ARIA attributes, e.g. ariaControlsElements, which refer to a
list of elements by their ID. For example:

    <div aria-controls="item1 item2">

The div.ariaControlsElements attribute would be a list of elements whose
ID matches the values in the aria-controls attribute.
This commit is contained in:
Timothy Flynn 2025-04-24 13:41:12 -04:00 • committed by Tim Ledbetter
commit f985ac8884
Notes: github-actions[bot] 2025-04-25 00:21:23 +00:00
9 changed files with 3354 additions and 28 deletions
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20
Libraries/LibWeb/ARIA/ARIAMixin.h
View file

@ -15,6 +15,15 @@
namespace Web::ARIA {
#define ENUMERATE_ARIA_ELEMENT_LIST_REFERENCING_ATTRIBUTES \
__ENUMERATE_ARIA_ATTRIBUTE(aria_controls_elements, aria_controls) \
__ENUMERATE_ARIA_ATTRIBUTE(aria_described_by_elements, aria_described_by) \
__ENUMERATE_ARIA_ATTRIBUTE(aria_details_elements, aria_details) \
__ENUMERATE_ARIA_ATTRIBUTE(aria_error_message_elements, aria_error_message) \
__ENUMERATE_ARIA_ATTRIBUTE(aria_flow_to_elements, aria_flow_to) \
__ENUMERATE_ARIA_ATTRIBUTE(aria_labelled_by_elements, aria_labelled_by) \
__ENUMERATE_ARIA_ATTRIBUTE(aria_owns_elements, aria_owns)
class ARIAMixin {
public:
virtual ~ARIAMixin();
@ -51,6 +60,12 @@ public:
GC::Ptr<DOM::Element> aria_active_descendant_element() { return m_aria_active_descendant_element; }
void set_aria_active_descendant_element(GC::Ptr<DOM::Element> value) { m_aria_active_descendant_element = value; }
#define __ENUMERATE_ARIA_ATTRIBUTE(attribute, referencing_attribute) \
Optional<Vector<WeakPtr<DOM::Element>>> const& attribute() const; \
void set_##attribute(Optional<Vector<WeakPtr<DOM::Element>>> value);
ENUMERATE_ARIA_ELEMENT_LIST_REFERENCING_ATTRIBUTES
#undef __ENUMERATE_ARIA_ATTRIBUTE
protected:
ARIAMixin();
@ -60,6 +75,11 @@ protected:
private:
GC::Ptr<DOM::Element> m_aria_active_descendant_element;
#define __ENUMERATE_ARIA_ATTRIBUTE(attribute, referencing_attribute) \
Optional<Vector<WeakPtr<DOM::Element>>> m_##attribute;
ENUMERATE_ARIA_ELEMENT_LIST_REFERENCING_ATTRIBUTES
#undef __ENUMERATE_ARIA_ATTRIBUTE
};
}