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 * Copyright (C) 2014 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 *
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 * in the documentation and/or other materials provided with the
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#ifndef SVGNumberOptionalNumber_h
#define SVGNumberOptionalNumber_h

#include "core/svg/SVGNumber.h"
#include "core/svg/SVGParsingError.h"
#include "platform/heap/Handle.h"

namespace blink {

class SVGNumberOptionalNumber : public SVGPropertyBase {
public:
    // Tearoff of SVGNumberOptionalNumber is never created.
    typedef void TearOffType;
    typedef void PrimitiveType;

    static PassRefPtrWillBeRawPtr<SVGNumberOptionalNumber> create(PassRefPtrWillBeRawPtr<SVGNumber> firstNumber, PassRefPtrWillBeRawPtr<SVGNumber> secondNumber)
    {
        return adoptRefWillBeNoop(new SVGNumberOptionalNumber(firstNumber, secondNumber));
    }

    PassRefPtrWillBeRawPtr<SVGNumberOptionalNumber> clone() const;
    PassRefPtrWillBeRawPtr<SVGPropertyBase> cloneForAnimation(const String&) const override;

    String valueAsString() const override;
    SVGParsingError setValueAsString(const String&);

    void add(PassRefPtrWillBeRawPtr<SVGPropertyBase>, SVGElement*) override;
    void calculateAnimatedValue(SVGAnimationElement*, float percentage, unsigned repeatCount, PassRefPtrWillBeRawPtr<SVGPropertyBase> from, PassRefPtrWillBeRawPtr<SVGPropertyBase> to, PassRefPtrWillBeRawPtr<SVGPropertyBase> toAtEndOfDurationValue, SVGElement* contextElement) override;
    float calculateDistance(PassRefPtrWillBeRawPtr<SVGPropertyBase> to, SVGElement* contextElement) override;

    static AnimatedPropertyType classType() { return AnimatedNumberOptionalNumber; }

    PassRefPtrWillBeRawPtr<SVGNumber> firstNumber() const { return m_firstNumber; }
    PassRefPtrWillBeRawPtr<SVGNumber> secondNumber() const { return m_secondNumber; }

    DECLARE_VIRTUAL_TRACE();

protected:
    SVGNumberOptionalNumber(PassRefPtrWillBeRawPtr<SVGNumber> firstNumber, PassRefPtrWillBeRawPtr<SVGNumber> secondNumber);

    RefPtrWillBeMember<SVGNumber> m_firstNumber;
    RefPtrWillBeMember<SVGNumber> m_secondNumber;
};

DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGNumberOptionalNumber);

} // namespace blink

#endif // SVGNumberOptionalNumber_h
