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/*
* Copyright (C) 2018-2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "SVGAttributeAnimator.h"
namespace WebCore {
class SVGElement;
class SVGAnimationFunction {
public:
virtual ~SVGAnimationFunction() = default;
virtual bool isDiscrete() const { return false; }
virtual void setFromAndToValues(SVGElement* targetElement, const String&, const String&) = 0;
virtual void setFromAndByValues(SVGElement* targetElement, const String&, const String&) = 0;
virtual void setToAtEndOfDurationValue(const String&) = 0;
virtual Optional<float> calculateDistance(SVGElement*, const String&, const String&) const { return { }; }
protected:
SVGAnimationFunction(AnimationMode animationMode)
: m_animationMode(animationMode)
{
}
virtual void addFromAndToValues(SVGElement*) { }
AnimationMode m_animationMode;
};
}