/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
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 */

#ifndef AnimatableSVGLength_h
#define AnimatableSVGLength_h

#include "core/animation/AnimatableValue.h"
#include "core/svg/SVGLength.h"

namespace WebCore {

class AnimatableSVGLength: public AnimatableValue {
public:
    virtual ~AnimatableSVGLength() { }

    static PassRefPtr<AnimatableSVGLength> create(const SVGLength& length)
    {
        return adoptRef(new AnimatableSVGLength(length));
    }

    const SVGLength& toSVGLength() const
    {
        return m_length;
    }

protected:
    virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
    virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE;

private:
    AnimatableSVGLength(const SVGLength& length)
        : m_length(length)
    {
    }

    virtual AnimatableType type() const { return TypeSVGLength; }
    virtual bool equalTo(const AnimatableValue*) const OVERRIDE;

    SVGLength m_length;
};

inline const AnimatableSVGLength* toAnimatableSVGLength(const AnimatableValue* value)
{
    ASSERT_WITH_SECURITY_IMPLICATION(value && value->isSVGLength());
    return static_cast<const AnimatableSVGLength*>(value);
}

} // namespace WebCore

#endif // AnimatableSVGLength_h