third_party/WebKit/Source/core/animation/SVGValueInterpolationType.h

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SVGValueInterpolationType_h
#define SVGValueInterpolationType_h

#include "core/animation/SVGInterpolationType.h"

namespace blink {

// Never supports pairwise conversion while always supporting single conversion.
// A catch all default for SVGValues.
class SVGValueInterpolationType : public SVGInterpolationType {
public:
    SVGValueInterpolationType(const QualifiedName& attribute)
        : SVGInterpolationType(attribute)
    { }

private:
    PassOwnPtr<PairwisePrimitiveInterpolation> maybeConvertPairwise(const PropertySpecificKeyframe& startKeyframe, const PropertySpecificKeyframe& endKeyframe, const InterpolationEnvironment&, const UnderlyingValue&, ConversionCheckers&) const final
    {
        return nullptr;
    }

    PassOwnPtr<InterpolationValue> maybeConvertNeutral() const final
    {
        return nullptr;
    }

    PassOwnPtr<InterpolationValue> maybeConvertSVGValue(const SVGPropertyBase&) const final;

    PassOwnPtr<InterpolationValue> maybeConvertUnderlyingValue(const InterpolationEnvironment&) const final
    {
        return nullptr;
    }

    void composite(UnderlyingValue& underlyingValue, double underlyingFraction, const InterpolationValue& value) const final
    {
        underlyingValue.set(&value);
    }

    PassRefPtrWillBeRawPtr<SVGPropertyBase> appliedSVGValue(const InterpolableValue&, const NonInterpolableValue*) const final;
};

} // namespace blink

#endif // SVGValueInterpolationType_h