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/*
* Copyright (C) 2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "FormAssociatedElement.h"
#include "ElementInlines.h"
namespace WebCore {
FormAssociatedElement::FormAssociatedElement(HTMLFormElement* form)
: m_formSetByParser(form)
{
}
HTMLFormElement* FormAssociatedElement::formForBindings() const
{
// FIXME: The downcast should be unnecessary, but the WPT was written before https://github.com/WICG/webcomponents/issues/1072 was resolved. Update once the WPT has been updated.
return dynamicDowncast<HTMLFormElement>(asHTMLElement().retargetReferenceTargetForBindings(form())).get();
}
void FormAssociatedElement::setFormInternal(RefPtr<HTMLFormElement>&& newForm)
{
ASSERT(m_form.get() != newForm);
m_form = WTFMove(newForm);
}
void FormAssociatedElement::elementInsertedIntoAncestor(Element& element, Node::InsertionType)
{
ASSERT(&asHTMLElement() == &element);
if (m_formSetByParser) {
// The form could have been removed by a script during parsing.
if (m_formSetByParser->isConnected())
setForm(m_formSetByParser.get());
m_formSetByParser = nullptr;
}
if (m_form && element.rootElement() != m_form->rootElement())
setForm(nullptr);
}
void FormAssociatedElement::elementRemovedFromAncestor(Element& element, Node::RemovalType)
{
ASSERT(&asHTMLElement() == &element);
// Do not rely on rootNode() because m_form's IsInTreeScope can be outdated.
if (m_form && &element.traverseToRootNode() != &m_form->traverseToRootNode()) {
setForm(nullptr);
resetFormOwner();
}
}
}
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