/**

 *

 * Copyright (C) 2006 Apple Computer, Inc.

 *

 * 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 RenderSlider_h

#define RenderSlider_h

#include "RenderBlock.h"

namespace WebCore {

    class HTMLDivElement;

    class HTMLInputElement;

    class HTMLSliderThumbElement;

    class MouseEvent;

    class RenderSlider : public RenderBlock {

    public:

        RenderSlider(HTMLInputElement*);

        ~RenderSlider();

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

        virtual bool isSlider() const { return true; }

        virtual short baselinePosition( bool, bool ) const;

        virtual void calcPrefWidths();

        virtual void setStyle(RenderStyle*);

        virtual void layout();

        virtual void updateFromElement();

        bool mouseEventIsInThumb(MouseEvent*);

        void setValueForPosition(int position);

        double setPositionFromValue(bool inLayout = false);

        int positionForOffset(const IntPoint&);

        void valueChanged();

        int currentPosition();

        void setCurrentPosition(int pos);        

        void forwardEvent(Event*);

        bool inDragMode() const;

    private:

        RenderStyle* createThumbStyle(RenderStyle* parentStyle);

        int trackSize();

        RefPtr<HTMLSliderThumbElement> m_thumb;

};

} // namespace WebCore

#endif // RenderSlider_h