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46 lines
1.7 KiB
C++
46 lines
1.7 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/HTML/HTMLFieldSetElement.h>
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#include <LibWeb/HTML/HTMLLegendElement.h>
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namespace Web::HTML {
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HTMLFieldSetElement::HTMLFieldSetElement(DOM::Document& document, DOM::QualifiedName qualified_name)
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: HTMLElement(document, move(qualified_name))
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{
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}
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HTMLFieldSetElement::~HTMLFieldSetElement() = default;
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void HTMLFieldSetElement::initialize(JS::Realm& realm)
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{
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Base::initialize(realm);
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set_prototype(&Bindings::ensure_web_prototype<Bindings::HTMLFieldSetElementPrototype>(realm, "HTMLFieldSetElement"));
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}
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// https://html.spec.whatwg.org/multipage/form-elements.html#concept-fieldset-disabled
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bool HTMLFieldSetElement::is_disabled() const
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{
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// A fieldset element is a disabled fieldset if it matches any of the following conditions:
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// - Its disabled attribute is specified
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if (has_attribute(AttributeNames::disabled))
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return true;
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// - It is a descendant of another fieldset element whose disabled attribute is specified, and is not a descendant of that fieldset element's first legend element child, if any.
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for (auto* fieldset_ancestor = first_ancestor_of_type<HTMLFieldSetElement>(); fieldset_ancestor; fieldset_ancestor = fieldset_ancestor->first_ancestor_of_type<HTMLFieldSetElement>()) {
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if (fieldset_ancestor->has_attribute(HTML::AttributeNames::disabled)) {
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auto* first_legend_element_child = fieldset_ancestor->first_child_of_type<HTMLLegendElement>();
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if (!first_legend_element_child || !is_descendant_of(*first_legend_element_child))
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return true;
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}
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}
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return false;
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}
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}
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