/*

 * Copyright (c) 2020, the SerenityOS developers.

 *

 * SPDX-License-Identifier: BSD-2-Clause

 */

#include <LibWeb/Bindings/HTMLMapElementPrototype.h>

#include <LibWeb/Bindings/Intrinsics.h>

#include <LibWeb/HTML/HTMLAreaElement.h>

#include <LibWeb/HTML/HTMLMapElement.h>

namespace Web::HTML {

JS_DEFINE_ALLOCATOR(HTMLMapElement);

HTMLMapElement::HTMLMapElement(DOM::Document& document, DOM::QualifiedName qualified_name)

    : HTMLElement(document, move(qualified_name))

{

}

HTMLMapElement::~HTMLMapElement() = default;

void HTMLMapElement::initialize(JS::Realm& realm)

{

    Base::initialize(realm);

    WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLMapElement);

}

void HTMLMapElement::visit_edges(Cell::Visitor& visitor)

{

    Base::visit_edges(visitor);

    visitor.visit(m_areas);

}

// https://html.spec.whatwg.org/multipage/image-maps.html#dom-map-areas

JS::NonnullGCPtr<DOM::HTMLCollection> HTMLMapElement::areas()

{

    // The areas attribute must return an HTMLCollection rooted at the map element, whose filter matches only area elements.

    if (!m_areas) {

        m_areas = DOM::HTMLCollection::create(*this, DOM::HTMLCollection::Scope::Descendants, [](Element const& element) {

            return is<HTML::HTMLAreaElement>(element);

        });

    }

    return *m_areas;

}

}