void SVGAnimateElement::calculateAnimatedValue(float percentage, unsigned repeatCount, SVGSMILElement* resultElement)
{
ASSERT(resultElement);
SVGElement* targetElement = this->targetElement();
if (!targetElement || !isSVGAnimateElement(*resultElement))
return;
ASSERT(percentage >= 0 && percentage <= 1);
ASSERT(m_animator);
ASSERT(animatedPropertyType() != AnimatedTransformList || isSVGAnimateTransformElement(*this));
ASSERT(animatedPropertyType() != AnimatedUnknown);
ASSERT(m_fromProperty);
ASSERT(m_fromProperty->type() == animatedPropertyType());
ASSERT(m_toProperty);
SVGAnimateElement* resultAnimationElement = toSVGAnimateElement(resultElement);
ASSERT(resultAnimationElement->m_animatedProperty);
ASSERT(resultAnimationElement->animatedPropertyType() == animatedPropertyType());
if (isSVGSetElement(*this))
percentage = 1;
if (calcMode() == CalcModeDiscrete)
percentage = percentage < 0.5 ? 0 : 1;
// Target element might have changed.
m_animator->setContextElement(targetElement);
// Values-animation accumulates using the last values entry corresponding to the end of duration time.
SVGPropertyBase* toAtEndOfDurationProperty = m_toAtEndOfDurationProperty ? m_toAtEndOfDurationProperty.get() : m_toProperty.get();
m_animator->calculateAnimatedValue(percentage, repeatCount, m_fromProperty.get(), m_toProperty.get(), toAtEndOfDurationProperty, resultAnimationElement->m_animatedProperty.get());
}
void SVGAnimateElement::applyResultsToTarget()
{
ASSERT(animatedPropertyType() != AnimatedTransformList || isSVGAnimateTransformElement(*this));
ASSERT(animatedPropertyType() != AnimatedUnknown);
// Early exit if our animated type got destructed by a previous endedActiveInterval().
if (!m_animatedProperty)
return;
// We do update the style and the animation property independent of each other.
ShouldApplyAnimationType shouldApply = shouldApplyAnimation(targetElement(), attributeName());
if (shouldApply == ApplyXMLandCSSAnimation) {
applyCSSPropertyToTargetAndInstances(targetElement(), attributeName(), m_animatedProperty->valueAsString());
} else if (m_animator.isAnimatingCSSProperty()) {
// CSS properties animation code-path.
// Convert the result of the animation to a String and apply it as CSS property on the target & all instances.
applyCSSPropertyToTargetAndInstances(targetElement(), attributeName(), m_animatedProperty->valueAsString());
return;
}
// SVG DOM animVal animation code-path.
// At this point the SVG DOM values are already changed, unlike for CSS.
// We only have to trigger update notifications here.
notifyTargetAndInstancesAboutAnimValChange(targetElement(), attributeName());
}
bool SVGAnimateElement::hasValidAttributeType()
{
SVGElement* targetElement = this->targetElement();
if (!targetElement)
return false;
return animatedPropertyType() != AnimatedUnknown && !hasInvalidCSSAttributeType();
}
bool SVGAnimateElement::animatedPropertyTypeSupportsAddition()
{
// Spec: http://www.w3.org/TR/SVG/animate.html#AnimationAttributesAndProperties.
switch (animatedPropertyType()) {
case AnimatedBoolean:
case AnimatedEnumeration:
case AnimatedPreserveAspectRatio:
case AnimatedString:
case AnimatedUnknown:
return false;
default:
return true;
}
}