/*

 * Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

 *

 * 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.

 *

 */

#ifndef RenderMeter_h

#define RenderMeter_h

#if ENABLE(METER_TAG)

#include "RenderBlock.h"

#include "RenderProgress.h" 

#include "RenderWidget.h"

namespace WebCore {

class HTMLMeterElement;

class ShadowBlockElement;

class RenderMeter : public RenderIndicator {

public:

    RenderMeter(HTMLMeterElement*);

    virtual ~RenderMeter();

private:

    virtual const char* renderName() const { return "RenderMeter"; }

    virtual bool isMeter() const { return true; }

    virtual void calcWidth();

    virtual void calcHeight();

    virtual void layoutParts();

    virtual bool shouldHaveParts() const;

    bool isHorizontal() const;

    void updatePartsState();    

    IntRect valuePartRect() const;

    PseudoId valuePseudoId() const;

    IntRect barPartRect() const;    

    PseudoId barPseudoId() const;

    double valueRatio() const;

    RefPtr<ShadowBlockElement> m_barPart;

    RefPtr<ShadowBlockElement> m_valuePart;

};

inline RenderMeter* toRenderMeter(RenderObject* object)

{

    ASSERT(!object || object->isMeter());

    return static_cast<RenderMeter*>(object);

}

// This will catch anyone doing an unnecessary cast.

void toRenderMeter(const RenderMeter*);

} // namespace WebCore

#endif

#endif // RenderMeter_h