LibWeb: Keep track of the order in which option elements are selected

This allows us to locate the most-recently-selected when running the
selectedness update algorithm.
This commit is contained in:
Andreas Kling 2024-11-14 00:05:38 +01:00 committed by Andreas Kling
parent 581597cb34
commit dc9179bb1b
Notes: github-actions[bot] 2024-11-14 22:07:21 +00:00
10 changed files with 107 additions and 27 deletions

View file

@ -7,6 +7,7 @@
#include <LibWeb/Bindings/HTMLOptGroupElementPrototype.h>
#include <LibWeb/Bindings/Intrinsics.h>
#include <LibWeb/HTML/HTMLOptGroupElement.h>
#include <LibWeb/HTML/HTMLSelectElement.h>
namespace Web::HTML {
@ -25,4 +26,24 @@ void HTMLOptGroupElement::initialize(JS::Realm& realm)
WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLOptGroupElement);
}
void HTMLOptGroupElement::inserted()
{
Base::inserted();
// AD-HOC: We update the selectedness of our <select> parent here,
// to ensure that the correct <option> is selected after an <optgroup> is dynamically inserted.
if (is<HTMLSelectElement>(*parent()) && first_child_of_type<HTMLOptionElement>())
static_cast<HTMLSelectElement&>(*parent()).update_selectedness();
}
void HTMLOptGroupElement::removed_from(Node* old_parent)
{
Base::removed_from(old_parent);
// The optgroup HTML element removing steps, given removedNode and oldParent, are:
// 1. If oldParent is a select element and removedNode has an option child, then run oldParent's selectedness setting algorithm.
if (old_parent && is<HTMLSelectElement>(*old_parent) && first_child_of_type<HTMLOptionElement>())
static_cast<HTMLSelectElement&>(*old_parent).update_selectedness();
}
}