TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositor)
{
Timing linearTiming(createCompositableTiming());
AnimatableValueKeyframeVector basicFramesVector;
basicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
basicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 1.0).get());
AnimatableValueKeyframeVector nonBasicFramesVector;
nonBasicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
nonBasicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.5).get());
nonBasicFramesVector.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 1.0).get());
basicFramesVector[0]->setEasing(m_linearTimingFunction.get());
RefPtr<AnimatableValueKeyframeEffectModel> basicFrames = AnimatableValueKeyframeEffectModel::create(basicFramesVector).get();
EXPECT_TRUE(isCandidateForAnimationOnCompositor(linearTiming, *basicFrames.get()));
basicFramesVector[0]->setEasing(CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn));
basicFrames = AnimatableValueKeyframeEffectModel::create(basicFramesVector).get();
EXPECT_TRUE(isCandidateForAnimationOnCompositor(linearTiming, *basicFrames.get()));
nonBasicFramesVector[0]->setEasing(m_linearTimingFunction.get());
nonBasicFramesVector[1]->setEasing(CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn));
RefPtr<AnimatableValueKeyframeEffectModel> nonBasicFrames = AnimatableValueKeyframeEffectModel::create(nonBasicFramesVector).get();
EXPECT_TRUE(CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(linearTiming, *nonBasicFrames.get()));
}
void CSSAnimations::calculateTransitionUpdateForProperty(CSSPropertyID id, const CSSTransitionData& transitionData, size_t transitionIndex, const ComputedStyle& oldStyle, const ComputedStyle& style, const TransitionMap* activeTransitions, CSSAnimationUpdate& update, const Element* element)
{
RefPtr<AnimatableValue> to = nullptr;
if (activeTransitions) {
TransitionMap::const_iterator activeTransitionIter = activeTransitions->find(id);
if (activeTransitionIter != activeTransitions->end()) {
to = CSSAnimatableValueFactory::create(id, style);
const AnimatableValue* activeTo = activeTransitionIter->value.to;
if (to->equals(activeTo))
return;
update.cancelTransition(id);
ASSERT(!element->elementAnimations() || !element->elementAnimations()->isAnimationStyleChange());
}
}
if (CSSPropertyEquality::propertiesEqual(id, oldStyle, style))
return;
if (!to)
to = CSSAnimatableValueFactory::create(id, style);
RefPtr<AnimatableValue> from = CSSAnimatableValueFactory::create(id, oldStyle);
// If we have multiple transitions on the same property, we will use the
// last one since we iterate over them in order.
if (AnimatableValue::usesDefaultInterpolation(to.get(), from.get()))
return;
Timing timing = transitionData.convertToTiming(transitionIndex);
if (timing.startDelay + timing.iterationDuration <= 0)
return;
AnimatableValueKeyframeVector keyframes;
double startKeyframeOffset = 0;
if (timing.startDelay > 0) {
timing.iterationDuration += timing.startDelay;
startKeyframeOffset = timing.startDelay / timing.iterationDuration;
timing.startDelay = 0;
}
RefPtr<AnimatableValueKeyframe> delayKeyframe = AnimatableValueKeyframe::create();
delayKeyframe->setPropertyValue(id, from.get());
delayKeyframe->setOffset(0);
keyframes.append(delayKeyframe);
RefPtr<AnimatableValueKeyframe> startKeyframe = AnimatableValueKeyframe::create();
startKeyframe->setPropertyValue(id, from.get());
startKeyframe->setOffset(startKeyframeOffset);
startKeyframe->setEasing(timing.timingFunction.release());
timing.timingFunction = LinearTimingFunction::shared();
keyframes.append(startKeyframe);
RefPtr<AnimatableValueKeyframe> endKeyframe = AnimatableValueKeyframe::create();
endKeyframe->setPropertyValue(id, to.get());
endKeyframe->setOffset(1);
keyframes.append(endKeyframe);
AnimatableValueKeyframeEffectModel* model = AnimatableValueKeyframeEffectModel::create(keyframes);
update.startTransition(id, from.get(), to.get(), InertEffect::create(model, timing, false, 0));
ASSERT(!element->elementAnimations() || !element->elementAnimations()->isAnimationStyleChange());
}
PassRefPtr<AnimatableValueKeyframeEffectModel> createKeyframeEffectModel(PassRefPtr<AnimatableValueKeyframe> prpFrom, PassRefPtr<AnimatableValueKeyframe> prpTo, PassRefPtr<AnimatableValueKeyframe> prpC = nullptr, PassRefPtr<AnimatableValueKeyframe> prpD = nullptr)
{
RefPtr<AnimatableValueKeyframe> from = prpFrom;
RefPtr<AnimatableValueKeyframe> to = prpTo;
RefPtr<AnimatableValueKeyframe> c = prpC;
RefPtr<AnimatableValueKeyframe> d = prpD;
EXPECT_EQ(from->offset(), 0);
AnimatableValueKeyframeVector frames;
frames.append(from);
EXPECT_LE(from->offset(), to->offset());
frames.append(to);
if (c) {
EXPECT_LE(to->offset(), c->offset());
frames.append(c);
}
if (d) {
frames.append(d);
EXPECT_LE(c->offset(), d->offset());
EXPECT_EQ(d->offset(), 1.0);
} else {
EXPECT_EQ(to->offset(), 1.0);
}
if (!HasFatalFailure()) {
return AnimatableValueKeyframeEffectModel::create(frames);
}
return nullptr;
}
TEST_F(AnimationCompositorAnimationsTest, createReversedOpacityAnimation)
{
RefPtr<TimingFunction> cubicEasyFlipTimingFunction = CubicBezierTimingFunction::create(0.0, 0.0, 0.0, 1.0);
// Animation to convert
AnimatableValueKeyframeVector frames;
frames.append(createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(2.0).get(), 0));
frames.append(createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(-1.0).get(), 0.25));
frames.append(createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(20.0).get(), 0.5));
frames.append(createReplaceOpKeyframe(CSSPropertyOpacity, AnimatableDouble::create(5.0).get(), 1.0));
frames[0]->setEasing(CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseIn));
frames[1]->setEasing(m_linearTimingFunction.get());
frames[2]->setEasing(cubicEasyFlipTimingFunction.get());
RefPtr<AnimatableValueKeyframeEffectModel> effect = AnimatableValueKeyframeEffectModel::create(frames);
m_timing.timingFunction = m_linearTimingFunction.get();
m_timing.iterationCount = 10;
m_timing.direction = Timing::PlaybackDirectionAlternateReverse;
// --
WebCompositorSupportMock mockCompositor;
// Curve is created
WebFloatAnimationCurveMock* mockCurvePtr = new WebFloatAnimationCurveMock();
ExpectationSet usesMockCurve;
EXPECT_CALL(mockCompositor, createFloatAnimationCurve())
.WillOnce(Return(mockCurvePtr));
usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(WebFloatKeyframe(0.0, 5.0), 1.0, 0.0, 1.0, 1.0));
usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(WebFloatKeyframe(0.5, 20.0), WebCompositorAnimationCurve::TimingFunctionTypeLinear));
usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(WebFloatKeyframe(0.75, -1.0), WebCompositorAnimationCurve::TimingFunctionTypeEaseOut));
usesMockCurve += EXPECT_CALL(*mockCurvePtr, add(WebFloatKeyframe(1.0, 2.0)));
// Create the animation
WebCompositorAnimationMock* mockAnimationPtr = new WebCompositorAnimationMock(WebCompositorAnimation::TargetPropertyOpacity);
ExpectationSet usesMockAnimation;
usesMockCurve += EXPECT_CALL(mockCompositor, createAnimation(Ref(*mockCurvePtr), WebCompositorAnimation::TargetPropertyOpacity, _))
.WillOnce(Return(mockAnimationPtr));
usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setIterations(10));
usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setTimeOffset(0.0));
usesMockAnimation += EXPECT_CALL(*mockAnimationPtr, setAlternatesDirection(true));
EXPECT_CALL(*mockAnimationPtr, delete_())
.Times(1)
.After(usesMockAnimation);
EXPECT_CALL(*mockCurvePtr, delete_())
.Times(1)
.After(usesMockCurve);
// Go!
setCompositorForTesting(mockCompositor);
Vector<OwnPtr<WebCompositorAnimation> > result;
getAnimationOnCompositor(m_timing, *effect.get(), result);
EXPECT_EQ(1U, result.size());
result[0].clear();
}
bool duplicateSingleKeyframeAndTestIsCandidateOnResult(AnimatableValueKeyframe* frame)
{
EXPECT_EQ(frame->offset(), 0);
AnimatableValueKeyframeVector frames;
RefPtr<Keyframe> second = frame->cloneWithOffset(1);
frames.append(frame);
frames.append(toAnimatableValueKeyframe(second.get()));
return isCandidateForAnimationOnCompositor(m_timing, *AnimatableValueKeyframeEffectModel::create(frames).get());
}
TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorKeyframeEffectModel)
{
AnimatableValueKeyframeVector framesSame;
framesSame.append(createDefaultKeyframe(CSSPropertyColor, AnimationEffect::CompositeReplace, 0.0).get());
framesSame.append(createDefaultKeyframe(CSSPropertyColor, AnimationEffect::CompositeReplace, 1.0).get());
EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *AnimatableValueKeyframeEffectModel::create(framesSame).get()));
AnimatableValueKeyframeVector framesMixedProperties;
framesMixedProperties.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
framesMixedProperties.append(createDefaultKeyframe(CSSPropertyColor, AnimationEffect::CompositeReplace, 1.0).get());
EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *AnimatableValueKeyframeEffectModel::create(framesMixedProperties).get()));
}
TEST_F(AnimationCompositorAnimationsTest, isCandidateForAnimationOnCompositorKeyframeEffectModelMultipleFramesOkay)
{
AnimatableValueKeyframeVector framesSame;
framesSame.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
framesSame.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 1.0).get());
EXPECT_TRUE(isCandidateForAnimationOnCompositor(m_timing, *AnimatableValueKeyframeEffectModel::create(framesSame).get()));
AnimatableValueKeyframeVector framesMixed;
framesMixed.append(createDefaultKeyframe(CSSPropertyOpacity, AnimationEffect::CompositeReplace, 0.0).get());
framesMixed.append(createDefaultKeyframe(CSSPropertyTransform, AnimationEffect::CompositeReplace, 1.0).get());
EXPECT_FALSE(isCandidateForAnimationOnCompositor(m_timing, *AnimatableValueKeyframeEffectModel::create(framesMixed).get()));
}
blink::Animation* InspectorAnimationAgent::animationClone(
blink::Animation* animation) {
const String id = String::number(animation->sequenceNumber());
if (!m_idToAnimationClone.get(id)) {
KeyframeEffect* oldEffect = toKeyframeEffect(animation->effect());
ASSERT(oldEffect->model()->isKeyframeEffectModel());
KeyframeEffectModelBase* oldModel =
toKeyframeEffectModelBase(oldEffect->model());
EffectModel* newModel = nullptr;
// Clone EffectModel.
// TODO(samli): Determine if this is an animations bug.
if (oldModel->isStringKeyframeEffectModel()) {
StringKeyframeEffectModel* oldStringKeyframeModel =
toStringKeyframeEffectModel(oldModel);
KeyframeVector oldKeyframes = oldStringKeyframeModel->getFrames();
StringKeyframeVector newKeyframes;
for (auto& oldKeyframe : oldKeyframes)
newKeyframes.append(toStringKeyframe(oldKeyframe.get()));
newModel = StringKeyframeEffectModel::create(newKeyframes);
} else if (oldModel->isAnimatableValueKeyframeEffectModel()) {
AnimatableValueKeyframeEffectModel* oldAnimatableValueKeyframeModel =
toAnimatableValueKeyframeEffectModel(oldModel);
KeyframeVector oldKeyframes =
oldAnimatableValueKeyframeModel->getFrames();
AnimatableValueKeyframeVector newKeyframes;
for (auto& oldKeyframe : oldKeyframes)
newKeyframes.append(toAnimatableValueKeyframe(oldKeyframe.get()));
newModel = AnimatableValueKeyframeEffectModel::create(newKeyframes);
}
KeyframeEffect* newEffect = KeyframeEffect::create(
oldEffect->target(), newModel, oldEffect->specifiedTiming());
m_isCloning = true;
blink::Animation* clone =
blink::Animation::create(newEffect, animation->timeline());
m_isCloning = false;
m_idToAnimationClone.set(id, clone);
m_idToAnimation.set(String::number(clone->sequenceNumber()), clone);
clone->play();
clone->setStartTime(animation->startTime());
animation->setEffectSuppressed(true);
}
return m_idToAnimationClone.get(id);
}
void CSSAnimations::maybeApplyPendingUpdate(Element* element)
{
m_previousActiveInterpolationsForAnimations.clear();
if (m_pendingUpdate.isEmpty())
return;
m_previousActiveInterpolationsForAnimations.swap(m_pendingUpdate.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 : m_pendingUpdate.cancelledAnimationNames()) {
Animation* animation = m_animations.take(animationName)->animation;
animation->cancel();
animation->update(TimingUpdateOnDemand);
}
for (const AtomicString& animationName : m_pendingUpdate.animationsWithPauseToggled()) {
Animation* animation = m_animations.get(animationName)->animation.get();
if (animation->paused())
animation->unpause();
else
animation->pause();
if (animation->outdated())
animation->update(TimingUpdateOnDemand);
}
for (const auto& animation : m_pendingUpdate.updatedCompositorKeyframes())
animation->setCompositorPending(true);
for (const auto& entry : m_pendingUpdate.animationsWithUpdates()) {
KeyframeEffect* effect = toKeyframeEffect(entry.animation->effect());
effect->setModel(entry.effect->model());
effect->updateSpecifiedTiming(entry.effect->specifiedTiming());
m_animations.find(entry.name)->value->update(entry);
}
for (const auto& entry : m_pendingUpdate.newAnimations()) {
const InertEffect* inertAnimation = entry.effect.get();
AnimationEventDelegate* eventDelegate = new AnimationEventDelegate(element, entry.name);
KeyframeEffect* effect = KeyframeEffect::create(element, inertAnimation->model(), inertAnimation->specifiedTiming(), KeyframeEffect::DefaultPriority, eventDelegate);
effect->setName(inertAnimation->name());
Animation* animation = element->document().timeline().play(effect);
if (inertAnimation->paused())
animation->pause();
animation->update(TimingUpdateOnDemand);
m_animations.set(entry.name, new RunningAnimation(animation, entry));
}
// 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.
HeapHashMap<CSSPropertyID, std::pair<Member<KeyframeEffect>, double>> retargetedCompositorTransitions;
for (CSSPropertyID id : m_pendingUpdate.cancelledTransitions()) {
ASSERT(m_transitions.contains(id));
Animation* animation = m_transitions.take(id).animation;
KeyframeEffect* effect = toKeyframeEffect(animation->effect());
if (effect->hasActiveAnimationsOnCompositor(id) && m_pendingUpdate.newTransitions().find(id) != m_pendingUpdate.newTransitions().end() && !animation->limited())
retargetedCompositorTransitions.add(id, std::pair<KeyframeEffect*, double>(effect, animation->startTimeInternal()));
animation->cancel();
// after cancelation, transitions must be downgraded or they'll fail
// to be considered when retriggering themselves. This can happen if
// the transition is captured through getAnimations then played.
if (animation->effect() && animation->effect()->isKeyframeEffect())
toKeyframeEffect(animation->effect())->downgradeToNormal();
animation->update(TimingUpdateOnDemand);
}
for (CSSPropertyID id : m_pendingUpdate.finishedTransitions()) {
// This transition can also be cancelled and finished at the same time
if (m_transitions.contains(id)) {
Animation* animation = m_transitions.take(id).animation;
// Transition must be downgraded
if (animation->effect() && animation->effect()->isKeyframeEffect())
toKeyframeEffect(animation->effect())->downgradeToNormal();
}
}
for (const auto& entry : m_pendingUpdate.newTransitions()) {
const CSSAnimationUpdate::NewTransition& newTransition = entry.value;
RunningTransition runningTransition;
runningTransition.from = newTransition.from;
runningTransition.to = newTransition.to;
CSSPropertyID id = newTransition.id;
InertEffect* inertAnimation = newTransition.effect.get();
TransitionEventDelegate* eventDelegate = new TransitionEventDelegate(element, id);
EffectModel* model = inertAnimation->model();
if (retargetedCompositorTransitions.contains(id)) {
const std::pair<Member<KeyframeEffect>, double>& oldTransition = retargetedCompositorTransitions.get(id);
KeyframeEffect* oldAnimation = oldTransition.first;
double oldStartTime = oldTransition.second;
double inheritedTime = isNull(oldStartTime) ? 0 : element->document().timeline().currentTimeInternal() - oldStartTime;
AnimatableValueKeyframeEffectModel* oldEffect = toAnimatableValueKeyframeEffectModel(inertAnimation->model());
const KeyframeVector& frames = oldEffect->getFrames();
AnimatableValueKeyframeVector newFrames;
newFrames.append(toAnimatableValueKeyframe(frames[0]->clone().get()));
newFrames.append(toAnimatableValueKeyframe(frames[1]->clone().get()));
newFrames.append(toAnimatableValueKeyframe(frames[2]->clone().get()));
newFrames[0]->clearPropertyValue(id);
newFrames[1]->clearPropertyValue(id);
InertEffect* inertAnimationForSampling = InertEffect::create(oldAnimation->model(), oldAnimation->specifiedTiming(), false, inheritedTime);
OwnPtr<Vector<RefPtr<Interpolation>>> sample = nullptr;
inertAnimationForSampling->sample(sample);
if (sample && sample->size() == 1) {
newFrames[0]->setPropertyValue(id, toLegacyStyleInterpolation(sample->at(0).get())->currentValue());
newFrames[1]->setPropertyValue(id, toLegacyStyleInterpolation(sample->at(0).get())->currentValue());
model = AnimatableValueKeyframeEffectModel::create(newFrames);
}
}
KeyframeEffect* transition = KeyframeEffect::create(element, model, inertAnimation->specifiedTiming(), KeyframeEffect::TransitionPriority, eventDelegate);
transition->setName(inertAnimation->name());
Animation* animation = element->document().timeline().play(transition);
// Set the current time as the start time for retargeted transitions
if (retargetedCompositorTransitions.contains(id))
animation->setStartTime(element->document().timeline().currentTime());
animation->update(TimingUpdateOnDemand);
runningTransition.animation = animation;
m_transitions.set(id, runningTransition);
ASSERT(id != CSSPropertyInvalid);
Platform::current()->histogramSparse("WebCore.Animation.CSSProperties", UseCounter::mapCSSPropertyIdToCSSSampleIdForHistogram(id));
}
clearPendingUpdate();
}
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::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));
}
}
