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LibWeb: Move enabled() to FormAssociatedElement and follow the spec

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Luke Wilde 2022-03-01 20:59:46 +00:00 • committed by Andreas Kling
parent 99f52e52d2
commit d2e18175ef
4 changed files with 29 additions and 7 deletions
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27
Userland/Libraries/LibWeb/HTML/FormAssociatedElement.cpp
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@ -5,7 +5,13 @@
*/
#include <LibWeb/HTML/FormAssociatedElement.h>
#include <LibWeb/HTML/HTMLButtonElement.h>
#include <LibWeb/HTML/HTMLFieldSetElement.h>
#include <LibWeb/HTML/HTMLFormElement.h>
#include <LibWeb/HTML/HTMLInputElement.h>
#include <LibWeb/HTML/HTMLLegendElement.h>
#include <LibWeb/HTML/HTMLSelectElement.h>
#include <LibWeb/HTML/HTMLTextAreaElement.h>
namespace Web::HTML {
@ -18,4 +24,25 @@ void FormAssociatedElement::set_form(HTMLFormElement* form)
m_form->add_associated_element({}, *this);
}
bool FormAssociatedElement::enabled() const
{
// https://html.spec.whatwg.org/multipage/form-control-infrastructure.html#concept-fe-disabled
// A form control is disabled if any of the following conditions are met:
// 1. The element is a button, input, select, textarea, or form-associated custom element, and the disabled attribute is specified on this element (regardless of its value).
// FIXME: This doesn't check for form-associated custom elements.
if ((is<HTMLButtonElement>(this) || is<HTMLInputElement>(this) || is<HTMLSelectElement>(this) || is<HTMLTextAreaElement>(this)) && has_attribute(HTML::AttributeNames::disabled))
return false;
// 2. The element is a descendant of a fieldset element whose disabled attribute is specified, and is not a descendant of that fieldset element's first legend element child, if any.
auto* fieldset_ancestor = first_ancestor_of_type<HTMLFieldSetElement>();
if (fieldset_ancestor && fieldset_ancestor->has_attribute(HTML::AttributeNames::disabled)) {
auto* first_legend_element_child = fieldset_ancestor->first_child_of_type<HTMLLegendElement>();
if (!first_legend_element_child || !is_descendant_of(*first_legend_element_child))
return false;
}
return true;
}
}