/*

 Copyright (C) 2007 Eric Seidel <eric@webkit.org>

 Copyright (C) 2008 Apple Inc. All Rights Reserved.

 This file is part of the WebKit project

 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 SVGAnimateMotionElement_h

#define SVGAnimateMotionElement_h

#if ENABLE(SVG_ANIMATION)

#include "AffineTransform.h"

#include "Path.h"

#include "SVGAnimationElement.h"

namespace WebCore {

    class SVGAnimateMotionElement : public SVGAnimationElement {

    public:

        SVGAnimateMotionElement(const QualifiedName&, Document*);

        virtual ~SVGAnimateMotionElement();

        virtual bool hasValidTarget() const;

        virtual void parseMappedAttribute(Attribute*);

    private:

        virtual void resetToBaseValue(const String&);

        virtual bool calculateFromAndToValues(const String& fromString, const String& toString);

        virtual bool calculateFromAndByValues(const String& fromString, const String& byString);

        virtual void calculateAnimatedValue(float percentage, unsigned repeat, SVGSMILElement* resultElement);

        virtual void applyResultsToTarget();

        virtual float calculateDistance(const String& fromString, const String& toString);

        virtual Path animationPath() const;

        enum RotateMode {

            RotateAngle,

            RotateAuto,

            RotateAutoReverse

        };

        RotateMode rotateMode() const;

        FloatSize m_animatedTranslation;

        float m_animatedAngle;

        // Note: we do not support percentage values for to/from coords as the spec implies we should (opera doesn't either)

        FloatPoint m_fromPoint;

        float m_fromAngle;

        FloatPoint m_toPoint;

        float m_toAngle;

        unsigned m_baseIndexInTransformList;

        Path m_path;

        Vector<float> m_keyPoints;

        float m_angle;

    };

} // namespace WebCore

#endif // ENABLE(SVG_ANIMATION)

#endif // SVGAnimateMotionElement_h

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