Source/WebCore/svg/properties/SVGAttributeAnimator.cpp

/*
 * Copyright (C) 2018-2021 Apple Inc.  All rights reserved.
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#include "config.h"
#include "SVGAttributeAnimator.h"

#include "CSSComputedStyleDeclaration.h"
#include "CSSPropertyParser.h"
#include "ElementInlines.h"
#include "SVGElementInlines.h"

namespace WebCore {

bool SVGAttributeAnimator::isAnimatedStylePropertyAniamtor(const SVGElement& targetElement) const
{
    return targetElement.isAnimatedStyleAttribute(m_attributeName);
}

void SVGAttributeAnimator::invalidateStyle(SVGElement& targetElement)
{
    SVGElement::InstanceInvalidationGuard guard(targetElement);
    targetElement.invalidateSVGPresentationalHintStyle();
}

void SVGAttributeAnimator::applyAnimatedStylePropertyChange(SVGElement& element, CSSPropertyID id, const String& value)
{
    ASSERT(!element.m_deletionHasBegun);
    ASSERT(id != CSSPropertyInvalid);
    
    if (!element.ensureAnimatedSMILStyleProperties().setProperty(id, value, false))
        return;
    element.invalidateStyle();
}

void SVGAttributeAnimator::applyAnimatedStylePropertyChange(SVGElement& targetElement, const String& value)
{
    ASSERT(m_attributeName != anyQName());
    
    // FIXME: Do we really need to check both isConnected and !parentNode?
    if (!targetElement.isConnected() || !targetElement.parentNode())
        return;
    
    CSSPropertyID id = cssPropertyID(m_attributeName.localName());
    
    SVGElement::InstanceUpdateBlocker blocker(targetElement);
    applyAnimatedStylePropertyChange(targetElement, id, value);
    
    // If the target element has instances, update them as well, w/o requiring the <use> tree to be rebuilt.
    for (auto& instance : copyToVectorOf<Ref<SVGElement>>(targetElement.instances()))
        applyAnimatedStylePropertyChange(instance, id, value);
}
    
void SVGAttributeAnimator::removeAnimatedStyleProperty(SVGElement& element, CSSPropertyID id)
{
    ASSERT(!element.m_deletionHasBegun);
    ASSERT(id != CSSPropertyInvalid);

    element.ensureAnimatedSMILStyleProperties().removeProperty(id);
    element.invalidateStyle();
}

void SVGAttributeAnimator::removeAnimatedStyleProperty(SVGElement& targetElement)
{
    ASSERT(m_attributeName != anyQName());

    // FIXME: Do we really need to check both isConnected and !parentNode?
    if (!targetElement.isConnected() || !targetElement.parentNode())
        return;

    CSSPropertyID id = cssPropertyID(m_attributeName.localName());

    SVGElement::InstanceUpdateBlocker blocker(targetElement);
    removeAnimatedStyleProperty(targetElement, id);

    // If the target element has instances, update them as well, w/o requiring the <use> tree to be rebuilt.
    for (auto& instance : copyToVectorOf<Ref<SVGElement>>(targetElement.instances()))
        removeAnimatedStyleProperty(instance, id);
}
    
void SVGAttributeAnimator::applyAnimatedPropertyChange(SVGElement& element, const QualifiedName& attributeName)
{
    ASSERT(!element.m_deletionHasBegun);
    element.svgAttributeChanged(attributeName);
}

void SVGAttributeAnimator::applyAnimatedPropertyChange(SVGElement& targetElement)
{
    ASSERT(m_attributeName != anyQName());

    // FIXME: Do we really need to check both isConnected and !parentNode?
    if (!targetElement.isConnected() || !targetElement.parentNode())
        return;

    SVGElement::InstanceUpdateBlocker blocker(targetElement);
    applyAnimatedPropertyChange(targetElement, m_attributeName);

    // If the target element has instances, update them as well, w/o requiring the <use> tree to be rebuilt.
    for (auto& instance : copyToVectorOf<Ref<SVGElement>>(targetElement.instances()))
        applyAnimatedPropertyChange(instance, m_attributeName);
}

} // namespace WebCore