SVGAnimatedPathSegListPropertyTearOff.cpp   [plain text]

/*
 * Copyright (C) 2018 Apple Inc.  All rights reserved.
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 *
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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#include "config.h"
#include "SVGAnimatedPathSegListPropertyTearOff.h"

#include "SVGPathElement.h"

namespace WebCore {

SVGAnimatedPathSegListPropertyTearOff::SVGAnimatedPathSegListPropertyTearOff(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, SVGPathSegListValues& values)
    : Base(contextElement, attributeName, animatedPropertyType, values)
{
    ASSERT(contextElement);
    ASSERT(is<SVGPathElement>(contextElement));
}

SVGAnimatedPathSegListPropertyTearOff::~SVGAnimatedPathSegListPropertyTearOff()
{
    downcast<SVGPathElement>(contextElement())->animatedPropertyWillBeDeleted();
}

void SVGAnimatedPathSegListPropertyTearOff::animValDidChange()
{
    ASSERT(m_animatedPathByteStream);
    auto pathElement = makeRefPtr(downcast<SVGPathElement>(contextElement()));

    // If the animVal is observed from JS, we have to update it on each animation step.
    // This is an expensive operation and only done if someone actually observes the animatedPathSegList() while an animation is running.
    if (pathElement->isAnimValObserved()) {
        auto& animatedList = currentAnimatedValue();
        animatedList.clear();
        buildSVGPathSegListValuesFromByteStream(*m_animatedPathByteStream, *pathElement, animatedList, UnalteredParsing);
    }

    Base::animValDidChange();
}

}