void SMILTimeContainer::updateAnimations(SMILTime elapsed, bool seekToTime)
{
SMILTime earliestFireTime = SMILTime::unresolved();
#ifndef NDEBUG
// This boolean will catch any attempts to schedule/unschedule scheduledAnimations during this critical section.
// Similarly, any elements removed will unschedule themselves, so this will catch modification of animationsToApply.
m_preventScheduledAnimationsChanges = true;
#endif
AnimationsVector animationsToApply;
GroupedAnimationsMap::iterator end = m_scheduledAnimations.end();
for (GroupedAnimationsMap::iterator it = m_scheduledAnimations.begin(); it != end; ++it) {
AnimationsVector* scheduled = it->value;
// Sort according to priority. Elements with later begin time have higher priority.
// In case of a tie, document order decides.
// FIXME: This should also consider timing relationships between the elements. Dependents
// have higher priority.
sortByPriority(*scheduled, elapsed);
SVGSMILElement* resultElement = 0;
unsigned size = scheduled->size();
for (unsigned n = 0; n < size; n++) {
SVGSMILElement* animation = scheduled->at(n);
ASSERT(animation->timeContainer() == this);
ASSERT(animation->targetElement());
ASSERT(animation->hasValidAttributeName());
// Results are accumulated to the first animation that animates and contributes to a particular element/attribute pair.
if (!resultElement) {
if (!animation->hasValidAttributeType())
continue;
resultElement = animation;
}
// This will calculate the contribution from the animation and add it to the resultsElement.
if (!animation->progress(elapsed, resultElement, seekToTime) && resultElement == animation)
resultElement = 0;
SMILTime nextFireTime = animation->nextProgressTime();
if (nextFireTime.isFinite())
earliestFireTime = min(nextFireTime, earliestFireTime);
}
if (resultElement)
animationsToApply.append(resultElement);
}
unsigned animationsToApplySize = animationsToApply.size();
if (!animationsToApplySize) {
#ifndef NDEBUG
m_preventScheduledAnimationsChanges = false;
#endif
startTimer(earliestFireTime, animationFrameDelay);
return;
}
// Apply results to target elements.
for (unsigned i = 0; i < animationsToApplySize; ++i)
animationsToApply[i]->applyResultsToTarget();
#ifndef NDEBUG
m_preventScheduledAnimationsChanges = false;
#endif
startTimer(earliestFireTime, animationFrameDelay);
Document::updateStyleForAllDocuments();
}
