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91 lines
3.4 KiB
C++
91 lines
3.4 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/HTMLFieldSetElementPrototype.h>
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/HTML/HTMLButtonElement.h>
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#include <LibWeb/HTML/HTMLFieldSetElement.h>
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#include <LibWeb/HTML/HTMLInputElement.h>
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#include <LibWeb/HTML/HTMLLegendElement.h>
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#include <LibWeb/HTML/HTMLObjectElement.h>
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#include <LibWeb/HTML/HTMLOutputElement.h>
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#include <LibWeb/HTML/HTMLSelectElement.h>
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#include <LibWeb/HTML/HTMLTextAreaElement.h>
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#include <LibWeb/Layout/FieldSetBox.h>
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namespace Web::HTML {
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GC_DEFINE_ALLOCATOR(HTMLFieldSetElement);
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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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WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLFieldSetElement);
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}
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void HTMLFieldSetElement::visit_edges(Cell::Visitor& visitor)
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{
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Base::visit_edges(visitor);
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visitor.visit(m_elements);
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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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// https://html.spec.whatwg.org/multipage/form-elements.html#dom-fieldset-elements
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GC::Ptr<DOM::HTMLCollection> const& HTMLFieldSetElement::elements()
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{
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// The elements IDL attribute must return an HTMLCollection rooted at the fieldset element, whose filter matches listed elements.
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if (!m_elements) {
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m_elements = DOM::HTMLCollection::create(*this, DOM::HTMLCollection::Scope::Descendants, [](DOM::Element const& element) {
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// FIXME: Form-associated custom elements return also true
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return is<HTMLButtonElement>(element)
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|| is<HTMLFieldSetElement>(element)
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|| is<HTMLInputElement>(element)
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|| is<HTMLObjectElement>(element)
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|| is<HTMLOutputElement>(element)
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|| is<HTMLSelectElement>(element)
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|| is<HTMLTextAreaElement>(element);
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});
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}
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return m_elements;
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}
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Layout::FieldSetBox* HTMLFieldSetElement::layout_node()
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{
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return static_cast<Layout::FieldSetBox*>(Node::layout_node());
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}
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GC::Ptr<Layout::Node> HTMLFieldSetElement::create_layout_node(GC::Ref<CSS::ComputedProperties> style)
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{
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return heap().allocate<Layout::FieldSetBox>(document(), *this, style);
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}
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}
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