void CSSAnimations::maybeApplyPendingUpdate(Element* element)
{
if (!m_pendingUpdate) {
m_previousActiveInterpolationsForAnimations.clear();
return;
}
OwnPtrWillBeRawPtr<CSSAnimationUpdate> update = m_pendingUpdate.release();
m_previousActiveInterpolationsForAnimations.swap(update->activeInterpolationsForAnimations());
// FIXME: cancelling, pausing, unpausing animations all query compositingState, which is not necessarily up to date here
// since we call this from recalc style.
// https://code.google.com/p/chromium/issues/detail?id=339847
DisableCompositingQueryAsserts disabler;
for (const AtomicString& animationName : update->cancelledAnimationNames()) {
RefPtrWillBeRawPtr<AnimationPlayer> player = m_animations.take(animationName);
player->cancel();
player->update(TimingUpdateOnDemand);
}
for (const AtomicString& animationName : update->animationsWithPauseToggled()) {
AnimationPlayer* player = m_animations.get(animationName);
if (player->paused())
player->unpause();
else
player->pause();
if (player->outdated())
player->update(TimingUpdateOnDemand);
}
for (const auto& entry : update->newAnimations()) {
const InertAnimation* inertAnimation = entry.animation.get();
OwnPtrWillBeRawPtr<AnimationEventDelegate> eventDelegate = adoptPtrWillBeNoop(new AnimationEventDelegate(element, entry.name));
RefPtrWillBeRawPtr<Animation> animation = Animation::create(element, inertAnimation->effect(), inertAnimation->specifiedTiming(), Animation::DefaultPriority, eventDelegate.release());
animation->setName(inertAnimation->name());
RefPtrWillBeRawPtr<AnimationPlayer> player = element->document().timeline().createAnimationPlayer(animation.get());
if (inertAnimation->paused())
player->pause();
player->update(TimingUpdateOnDemand);
m_animations.set(entry.name, player.get());
}
// Transitions that are run on the compositor only update main-thread state
// lazily. However, we need the new state to know what the from state shoud
// be when transitions are retargeted. Instead of triggering complete style
// recalculation, we find these cases by searching for new transitions that
// have matching cancelled animation property IDs on the compositor.
WillBeHeapHashMap<CSSPropertyID, std::pair<RefPtrWillBeMember<Animation>, double>> retargetedCompositorTransitions;
for (CSSPropertyID id : update->cancelledTransitions()) {
ASSERT(m_transitions.contains(id));
RefPtrWillBeRawPtr<AnimationPlayer> player = m_transitions.take(id).player;
Animation* animation = toAnimation(player->source());
if (animation->hasActiveAnimationsOnCompositor(id) && update->newTransitions().find(id) != update->newTransitions().end())
retargetedCompositorTransitions.add(id, std::pair<RefPtrWillBeMember<Animation>, double>(animation, player->startTimeInternal()));
player->cancel();
player->update(TimingUpdateOnDemand);
}
for (const auto& entry : update->newTransitions()) {
const CSSAnimationUpdate::NewTransition& newTransition = entry.value;
RunningTransition runningTransition;
runningTransition.from = newTransition.from;
runningTransition.to = newTransition.to;
CSSPropertyID id = newTransition.id;
InertAnimation* inertAnimation = newTransition.animation.get();
OwnPtrWillBeRawPtr<TransitionEventDelegate> eventDelegate = adoptPtrWillBeNoop(new TransitionEventDelegate(element, newTransition.eventId));
RefPtrWillBeRawPtr<AnimationEffect> effect = inertAnimation->effect();
if (retargetedCompositorTransitions.contains(id)) {
const std::pair<RefPtrWillBeMember<Animation>, double>& oldTransition = retargetedCompositorTransitions.get(id);
RefPtrWillBeRawPtr<Animation> oldAnimation = oldTransition.first;
double oldStartTime = oldTransition.second;
double inheritedTime = isNull(oldStartTime) ? 0 : element->document().timeline().currentTimeInternal() - oldStartTime;
AnimatableValueKeyframeEffectModel* oldEffect = toAnimatableValueKeyframeEffectModel(inertAnimation->effect());
const KeyframeVector& frames = oldEffect->getFrames();
AnimatableValueKeyframeVector newFrames;
newFrames.append(toAnimatableValueKeyframe(frames[0]->clone().get()));
newFrames.append(toAnimatableValueKeyframe(frames[1]->clone().get()));
newFrames[0]->clearPropertyValue(id);
RefPtrWillBeRawPtr<InertAnimation> inertAnimationForSampling = InertAnimation::create(oldAnimation->effect(), oldAnimation->specifiedTiming(), false);
OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation>>> sample = inertAnimationForSampling->sample(inheritedTime);
ASSERT(sample->size() == 1);
newFrames[0]->setPropertyValue(id, toLegacyStyleInterpolation(sample->at(0).get())->currentValue());
effect = AnimatableValueKeyframeEffectModel::create(newFrames);
}
RefPtrWillBeRawPtr<Animation> transition = Animation::create(element, effect, inertAnimation->specifiedTiming(), Animation::TransitionPriority, eventDelegate.release());
transition->setName(inertAnimation->name());
RefPtrWillBeRawPtr<AnimationPlayer> player = element->document().timeline().createAnimationPlayer(transition.get());
player->update(TimingUpdateOnDemand);
runningTransition.player = player;
m_transitions.set(id, runningTransition);
ASSERT(id != CSSPropertyInvalid);
blink::Platform::current()->histogramSparse("WebCore.Animation.CSSProperties", UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(id));
}
}
void CSSAnimations::maybeApplyPendingUpdate(Element* element)
{
if (!m_pendingUpdate) {
m_previousActiveInterpolationsForAnimations.clear();
return;
}
OwnPtr<CSSAnimationUpdate> update = m_pendingUpdate.release();
m_previousActiveInterpolationsForAnimations.swap(update->activeInterpolationsForAnimations());
for (Vector<AtomicString>::const_iterator iter = update->cancelledAnimationNames().begin(); iter != update->cancelledAnimationNames().end(); ++iter) {
RefPtr<AnimationPlayer> player = m_animations.take(*iter);
player->cancel();
player->update(TimingUpdateOnDemand);
}
for (Vector<AtomicString>::const_iterator iter = update->animationsWithPauseToggled().begin(); iter != update->animationsWithPauseToggled().end(); ++iter) {
AnimationPlayer* player = m_animations.get(*iter);
if (player->paused())
player->unpause();
else
player->pause();
if (player->outdated())
player->update(TimingUpdateOnDemand);
}
for (Vector<CSSAnimationUpdate::NewAnimation>::const_iterator iter = update->newAnimations().begin(); iter != update->newAnimations().end(); ++iter) {
const InertAnimation* inertAnimation = iter->animation.get();
OwnPtr<AnimationEventDelegate> eventDelegate = adoptPtr(new AnimationEventDelegate(element, iter->name));
RefPtr<Animation> animation = Animation::create(element, inertAnimation->effect(), inertAnimation->specifiedTiming(), Animation::DefaultPriority, eventDelegate.release());
RefPtr<AnimationPlayer> player = element->document().timeline().createAnimationPlayer(animation.get());
if (inertAnimation->paused())
player->pause();
player->update(TimingUpdateOnDemand);
m_animations.set(iter->name, player.get());
}
// Transitions that are run on the compositor only update main-thread state
// lazily. However, we need the new state to know what the from state shoud
// be when transitions are retargeted. Instead of triggering complete style
// recalculation, we find these cases by searching for new transitions that
// have matching cancelled animation property IDs on the compositor.
HashMap<CSSPropertyID, std::pair<RefPtr<Animation>, double> > retargetedCompositorTransitions;
for (HashSet<CSSPropertyID>::iterator iter = update->cancelledTransitions().begin(); iter != update->cancelledTransitions().end(); ++iter) {
CSSPropertyID id = *iter;
ASSERT(m_transitions.contains(id));
RefPtr<AnimationPlayer> player = m_transitions.take(id).player;
player->cancel();
player->update(TimingUpdateOnDemand);
}
for (CSSAnimationUpdate::NewTransitionMap::const_iterator iter = update->newTransitions().begin(); iter != update->newTransitions().end(); ++iter) {
const CSSAnimationUpdate::NewTransition& newTransition = iter->value;
RunningTransition runningTransition;
runningTransition.from = newTransition.from;
runningTransition.to = newTransition.to;
CSSPropertyID id = newTransition.id;
InertAnimation* inertAnimation = newTransition.animation.get();
OwnPtr<TransitionEventDelegate> eventDelegate = adoptPtr(new TransitionEventDelegate(element, newTransition.eventId));
RefPtr<AnimationEffect> effect = inertAnimation->effect();
RefPtr<Animation> transition = Animation::create(element, effect, inertAnimation->specifiedTiming(), Animation::TransitionPriority, eventDelegate.release());
RefPtr<AnimationPlayer> player = element->document().timeline().createAnimationPlayer(transition.get());
player->update(TimingUpdateOnDemand);
runningTransition.player = player;
m_transitions.set(id, runningTransition);
ASSERT(id != CSSPropertyInvalid);
}
}
void CSSAnimations::calculateAnimationUpdate(CSSAnimationUpdate* update, const Element* animatingElement, Element& element, const RenderStyle& style, RenderStyle* parentStyle, StyleResolver* resolver)
{
const ActiveAnimations* activeAnimations = animatingElement ? animatingElement->activeAnimations() : nullptr;
#if !ENABLE(ASSERT)
// If we're in an animation style change, no animations can have started, been cancelled or changed play state.
// When ASSERT is enabled, we verify this optimization.
if (activeAnimations && activeAnimations->isAnimationStyleChange())
return;
#endif
const CSSAnimationData* animationData = style.animations();
const CSSAnimations* cssAnimations = activeAnimations ? &activeAnimations->cssAnimations() : nullptr;
HashSet<AtomicString> inactive;
if (cssAnimations) {
for (const auto& entry : cssAnimations->m_animations)
inactive.add(entry.key);
}
if (style.display() != NONE) {
for (size_t i = 0; animationData && i < animationData->nameList().size(); ++i) {
AtomicString animationName(animationData->nameList()[i]);
if (animationName == CSSAnimationData::initialName())
continue;
bool isPaused = CSSTimingData::getRepeated(animationData->playStateList(), i) == AnimPlayStatePaused;
// Keyframes and animation properties are snapshotted when the
// animation starts, so we don't need to track changes to these,
// with the exception of play-state.
if (cssAnimations) {
AnimationMap::const_iterator existing(cssAnimations->m_animations.find(animationName));
if (existing != cssAnimations->m_animations.end()) {
inactive.remove(animationName);
AnimationPlayer* player = existing->value.get();
if (isPaused != player->paused()) {
ASSERT(!activeAnimations || !activeAnimations->isAnimationStyleChange());
update->toggleAnimationPaused(animationName);
}
continue;
}
}
Timing timing = animationData->convertToTiming(i);
RefPtr<TimingFunction> keyframeTimingFunction = timing.timingFunction;
timing.timingFunction = Timing::defaults().timingFunction;
AnimatableValueKeyframeVector resolvedKeyframes;
resolveKeyframes(resolver, animatingElement, element, style, parentStyle, animationName, keyframeTimingFunction.get(), resolvedKeyframes);
if (!resolvedKeyframes.isEmpty()) {
ASSERT(!activeAnimations || !activeAnimations->isAnimationStyleChange());
update->startAnimation(animationName, InertAnimation::create(AnimatableValueKeyframeEffectModel::create(resolvedKeyframes), timing, isPaused));
}
}
}
ASSERT(inactive.isEmpty() || cssAnimations);
for (const AtomicString& animationName : inactive) {
ASSERT(!activeAnimations || !activeAnimations->isAnimationStyleChange());
update->cancelAnimation(animationName, *cssAnimations->m_animations.get(animationName));
}
}
