void CSSAnimations::calculateTransitionActiveInterpolations(CSSAnimationUpdate* update, const Element* element, double timelineCurrentTime)
{
ActiveAnimations* activeAnimations = element ? element->activeAnimations() : 0;
AnimationStack* animationStack = activeAnimations ? &activeAnimations->defaultStack() : 0;
HashMap<CSSPropertyID, RefPtr<Interpolation> > activeInterpolationsForTransitions;
if (update->newTransitions().isEmpty() && update->cancelledTransitions().isEmpty()) {
activeInterpolationsForTransitions = AnimationStack::activeInterpolations(animationStack, 0, 0, Animation::TransitionPriority, timelineCurrentTime);
} else {
Vector<RawPtr<InertAnimation> > newTransitions;
for (CSSAnimationUpdate::NewTransitionMap::const_iterator iter = update->newTransitions().begin(); iter != update->newTransitions().end(); ++iter)
newTransitions.append(iter->value.animation.get());
HashSet<RawPtr<const AnimationPlayer> > cancelledAnimationPlayers;
if (!update->cancelledTransitions().isEmpty()) {
ASSERT(activeAnimations);
const TransitionMap& transitionMap = activeAnimations->cssAnimations().m_transitions;
for (HashSet<CSSPropertyID>::iterator iter = update->cancelledTransitions().begin(); iter != update->cancelledTransitions().end(); ++iter) {
ASSERT(transitionMap.contains(*iter));
cancelledAnimationPlayers.add(transitionMap.get(*iter).player.get());
}
}
activeInterpolationsForTransitions = AnimationStack::activeInterpolations(animationStack, &newTransitions, &cancelledAnimationPlayers, Animation::TransitionPriority, timelineCurrentTime);
}
// Properties being animated by animations don't get values from transitions applied.
if (!update->activeInterpolationsForAnimations().isEmpty() && !activeInterpolationsForTransitions.isEmpty()) {
for (HashMap<CSSPropertyID, RefPtr<Interpolation> >::const_iterator iter = update->activeInterpolationsForAnimations().begin(); iter != update->activeInterpolationsForAnimations().end(); ++iter)
activeInterpolationsForTransitions.remove(iter->key);
}
update->adoptActiveInterpolationsForTransitions(activeInterpolationsForTransitions);
}
void CSSAnimations::calculateTransitionActiveInterpolations(CSSAnimationUpdate* update, const Element* animatingElement, double timelineCurrentTime)
{
ActiveAnimations* activeAnimations = animatingElement ? animatingElement->activeAnimations() : nullptr;
AnimationStack* animationStack = activeAnimations ? &activeAnimations->defaultStack() : nullptr;
WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<Interpolation>> activeInterpolationsForTransitions;
if (update->newTransitions().isEmpty() && update->cancelledTransitions().isEmpty()) {
activeInterpolationsForTransitions = AnimationStack::activeInterpolations(animationStack, 0, 0, Animation::TransitionPriority, timelineCurrentTime);
} else {
WillBeHeapVector<RawPtrWillBeMember<InertAnimation>> newTransitions;
for (const auto& entry : update->newTransitions())
newTransitions.append(entry.value.animation.get());
WillBeHeapHashSet<RawPtrWillBeMember<const AnimationPlayer>> cancelledAnimationPlayers;
if (!update->cancelledTransitions().isEmpty()) {
ASSERT(activeAnimations);
const TransitionMap& transitionMap = activeAnimations->cssAnimations().m_transitions;
for (CSSPropertyID id : update->cancelledTransitions()) {
ASSERT(transitionMap.contains(id));
cancelledAnimationPlayers.add(transitionMap.get(id).player.get());
}
}
activeInterpolationsForTransitions = AnimationStack::activeInterpolations(animationStack, &newTransitions, &cancelledAnimationPlayers, Animation::TransitionPriority, timelineCurrentTime);
}
// Properties being animated by animations don't get values from transitions applied.
if (!update->activeInterpolationsForAnimations().isEmpty() && !activeInterpolationsForTransitions.isEmpty()) {
for (const auto& entry : update->activeInterpolationsForAnimations())
activeInterpolationsForTransitions.remove(entry.key);
}
update->adoptActiveInterpolationsForTransitions(activeInterpolationsForTransitions);
}
void CSSAnimations::calculateTransitionUpdate(CSSAnimationUpdate* update, const Element* element, const RenderStyle& style)
{
if (!element)
return;
ActiveAnimations* activeAnimations = element->activeAnimations();
const TransitionMap* activeTransitions = activeAnimations ? &activeAnimations->cssAnimations().m_transitions : 0;
const CSSTransitionData* transitionData = style.transitions();
#if ENABLE(ASSERT)
// In debug builds we verify that it would have been safe to avoid populating and testing listedProperties if the style recalc is due to animation.
const bool animationStyleRecalc = false;
#else
// In release builds we avoid the cost of checking for new and interrupted transitions if the style recalc is due to animation.
const bool animationStyleRecalc = activeAnimations && activeAnimations->isAnimationStyleChange();
#endif
BitArray<numCSSProperties> listedProperties;
bool anyTransitionHadTransitionAll = false;
const RenderObject* renderer = element->renderer();
if (!animationStyleRecalc && style.display() != NONE && renderer && renderer->style() && transitionData) {
const RenderStyle& oldStyle = *renderer->style();
for (size_t i = 0; i < transitionData->propertyList().size(); ++i) {
const CSSTransitionData::TransitionProperty& transitionProperty = transitionData->propertyList()[i];
CSSTransitionData::TransitionPropertyType mode = transitionProperty.propertyType;
CSSPropertyID property = transitionProperty.propertyId;
if (mode == CSSTransitionData::TransitionNone || mode == CSSTransitionData::TransitionUnknown)
continue;
bool animateAll = mode == CSSTransitionData::TransitionAll;
ASSERT(animateAll || mode == CSSTransitionData::TransitionSingleProperty);
if (animateAll)
anyTransitionHadTransitionAll = true;
const StylePropertyShorthand& propertyList = animateAll ? CSSAnimations::animatableProperties() : shorthandForProperty(property);
// If not a shorthand we only execute one iteration of this loop, and refer to the property directly.
for (unsigned j = 0; !j || j < propertyList.length(); ++j) {
CSSPropertyID id = propertyList.length() ? propertyList.properties()[j] : property;
CSSPropertyID eventId = id;
if (!animateAll) {
id = propertyForAnimation(id);
if (CSSPropertyMetadata::isAnimatableProperty(id))
listedProperties.set(id);
else
continue;
}
if (!update->activeInterpolationsForAnimations().contains(id)
&& (!activeAnimations || !activeAnimations->cssAnimations().m_previousActiveInterpolationsForAnimations.contains(id))) {
calculateTransitionUpdateForProperty(id, eventId, *transitionData, i, oldStyle, style, activeTransitions, update, element);
}
}
}
}
if (activeTransitions) {
for (TransitionMap::const_iterator iter = activeTransitions->begin(); iter != activeTransitions->end(); ++iter) {
const AnimationPlayer& player = *iter->value.player;
CSSPropertyID id = iter->key;
if (player.finishedInternal() || (!anyTransitionHadTransitionAll && !animationStyleRecalc && !listedProperties.get(id))) {
// TODO: Figure out why this fails on Chrome OS login page. crbug.com/365507
// ASSERT(player.finishedInternal() || !(activeAnimations && activeAnimations->isAnimationStyleChange()));
update->cancelTransition(id);
}
}
}
}