/*

 * Copyright (C) 2008, 2009, 2010 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.

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE 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 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.

 */

#ifndef ShadowElement_h

#define ShadowElement_h

#include "HTMLDivElement.h"

#include "HTMLInputElement.h"

namespace WebCore {

template<class BaseElement>

class ShadowElement : public BaseElement {

protected:

    ShadowElement(const QualifiedName& name, Node* shadowParent)

        : BaseElement(name, shadowParent->document())

        , m_shadowParent(shadowParent)

    {

    }

    Node* shadowParent() const { return m_shadowParent; }

private:

    virtual bool isShadowNode() const { return true; }

    virtual Node* shadowParentNode() { return m_shadowParent; }

    Node* m_shadowParent;

};

class ShadowBlockElement : public ShadowElement<HTMLDivElement> {

public:

    static PassRefPtr<ShadowBlockElement> create(Node*);

    static PassRefPtr<ShadowBlockElement> createForPart(Node*, PseudoId);

    static bool partShouldHaveStyle(const RenderObject* parentRenderer, PseudoId pseudoId);

    void layoutAsPart(const IntRect& partRect);

    void updateStyleForPart(PseudoId);

protected:

    ShadowBlockElement(Node*);

private:

    static PassRefPtr<RenderStyle> createStyleForPart(RenderObject*, PseudoId);

};

class ShadowInputElement : public ShadowElement<HTMLInputElement> {

public:

    static PassRefPtr<ShadowInputElement> create(Node*);

protected:

    ShadowInputElement(Node*);

};

} // namespace WebCore

#endif // ShadowElement_h