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/*
* This file is part of the WebKit project.
*
* Copyright (C) 2013-2022 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "FormAssociatedElement.h"
#include "HTMLElement.h"
namespace WebCore {
// ValidityState is not a separate object, but rather an interface of FormAssociatedElement that
// is published as part of the DOM. We could implement this as a base class of FormAssociatedElement,
// but that would have a small runtime cost, and no significant benefit. We'd prefer to implement this
// as a typedef of FormAssociatedElement, but that would require changes to bindings generation.
class ValidityState : public FormAssociatedElement {
public:
Element* element() { return &asHTMLElement(); }
Node* opaqueRootConcurrently() { return &asHTMLElement(); }
};
inline ValidityState* FormAssociatedElement::validity()
{
// Because ValidityState adds nothing to FormAssociatedElement, we rely on it being safe
// to cast a FormAssociatedElement like this, even though it's not actually a ValidityState.
return static_cast<ValidityState*>(this);
}
} // namespace WebCore
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