nsIStyleRule*
CommonAnimationManager::GetAnimationRule(mozilla::dom::Element* aElement,
nsCSSPseudoElements::Type aPseudoType)
{
MOZ_ASSERT(
aPseudoType == nsCSSPseudoElements::ePseudo_NotPseudoElement ||
aPseudoType == nsCSSPseudoElements::ePseudo_before ||
aPseudoType == nsCSSPseudoElements::ePseudo_after,
"forbidden pseudo type");
if (!mPresContext->IsDynamic()) {
// For print or print preview, ignore animations.
return nullptr;
}
AnimationCollection* collection =
GetAnimationCollection(aElement, aPseudoType, false /* aCreateIfNeeded */);
if (!collection) {
return nullptr;
}
RestyleManager* restyleManager = mPresContext->RestyleManager();
if (restyleManager->SkipAnimationRules()) {
return nullptr;
}
collection->EnsureStyleRuleFor(
mPresContext->RefreshDriver()->MostRecentRefresh());
return collection->mStyleRule;
}
void
Animation::Tick()
{
// Since we are not guaranteed to get only one call per refresh driver tick,
// it's possible that mPendingReadyTime is set to a time in the future.
// In that case, we should wait until the next refresh driver tick before
// resuming.
if (mPendingState != PendingState::NotPending &&
!mPendingReadyTime.IsNull() &&
mTimeline &&
!mTimeline->GetCurrentTime().IsNull() &&
mPendingReadyTime.Value() <= mTimeline->GetCurrentTime().Value()) {
FinishPendingAt(mPendingReadyTime.Value());
mPendingReadyTime.SetNull();
}
if (IsPossiblyOrphanedPendingAnimation()) {
MOZ_ASSERT(mTimeline && !mTimeline->GetCurrentTime().IsNull(),
"Orphaned pending animtaions should have an active timeline");
FinishPendingAt(mTimeline->GetCurrentTime().Value());
}
UpdateTiming(SeekFlag::NoSeek, SyncNotifyFlag::Async);
// FIXME: Detect the no-change case and don't request a restyle at all
// FIXME: Detect changes to IsPlaying() state and request RestyleType::Layer
// so that layers get updated immediately
AnimationCollection* collection = GetCollection();
if (collection) {
collection->RequestRestyle(CanThrottle() ?
AnimationCollection::RestyleType::Throttled :
AnimationCollection::RestyleType::Standard);
}
}
void
Animation::PostUpdate()
{
AnimationCollection* collection = GetCollection();
if (collection) {
collection->RequestRestyle(AnimationCollection::RestyleType::Layer);
}
}
void
Animation::PostUpdate()
{
AnimationCollection* collection = GetCollection();
if (collection) {
collection->NotifyAnimationUpdated();
}
}
void
CommonAnimationManager::RemoveAllElementCollections()
{
while (!PR_CLIST_IS_EMPTY(&mElementCollections)) {
AnimationCollection* head =
static_cast<AnimationCollection*>(PR_LIST_HEAD(&mElementCollections));
head->Destroy();
}
}
void
CommonAnimationManager::ClearIsRunningOnCompositor(const nsIFrame* aFrame,
nsCSSProperty aProperty)
{
AnimationCollection* collection = GetAnimationCollection(aFrame);
if (collection) {
collection->ClearIsRunningOnCompositor(aProperty);
}
}
void
CommonAnimationManager::NotifyCollectionUpdated(AnimationCollection&
aCollection)
{
MaybeStartObservingRefreshDriver();
mPresContext->ClearLastStyleUpdateForAllAnimations();
mPresContext->RestyleManager()->IncrementAnimationGeneration();
aCollection.UpdateAnimationGeneration(mPresContext);
aCollection.PostRestyleForAnimation(mPresContext);
}
AnimationCollection*
CommonAnimationManager::GetAnimationsForCompositor(const nsIFrame* aFrame,
nsCSSProperty aProperty)
{
AnimationCollection* collection = GetAnimationCollection(aFrame);
if (!collection ||
!collection->HasCurrentAnimationOfProperty(aProperty) ||
!collection->CanPerformOnCompositorThread(
AnimationCollection::CanAnimate_AllowPartial)) {
return nullptr;
}
// This animation can be done on the compositor.
return collection;
}
void
nsAnimationManager::StopAnimationsForElement(
mozilla::dom::Element* aElement,
nsCSSPseudoElements::Type aPseudoType)
{
MOZ_ASSERT(aElement);
AnimationCollection* collection =
GetAnimations(aElement, aPseudoType, false);
if (!collection) {
return;
}
nsAutoAnimationMutationBatch mb(aElement->OwnerDoc());
collection->Destroy();
}
Actor::Actor(const Point& position, const AnimationCollection& animations, const String& currentAnimation):
animations_(animations), currAnimation_(currentAnimation),
rect_(position, animations.animation(currentAnimation).size()),
updater_(std::bind(&Actor::updatedFrameFromCurrentAnimation, this, std::placeholders::_1, std::placeholders::_2))
{
ASSERT(!currAnimation_.empty(), "current animation name is empty");
}
void
CommonAnimationManager::AddStyleUpdatesTo(RestyleTracker& aTracker)
{
TimeStamp now = mPresContext->RefreshDriver()->MostRecentRefresh();
for (AnimationCollection* collection = mElementCollections.getFirst();
collection; collection = collection->getNext()) {
collection->EnsureStyleRuleFor(now);
dom::Element* elementToRestyle = collection->GetElementToRestyle();
if (elementToRestyle) {
nsRestyleHint rshint = collection->IsForTransitions()
? eRestyle_CSSTransitions : eRestyle_CSSAnimations;
aTracker.AddPendingRestyle(elementToRestyle, rshint, nsChangeHint(0));
}
}
}
void
CommonAnimationManager::FlushAnimations()
{
TimeStamp now = mPresContext->RefreshDriver()->MostRecentRefresh();
for (AnimationCollection* collection = mElementCollections.getFirst();
collection; collection = collection->getNext()) {
if (collection->mStyleRuleRefreshTime == now) {
continue;
}
MOZ_ASSERT(collection->mElement->GetComposedDoc() ==
mPresContext->Document(),
"Should not have a transition/animation collection for an "
"element that is not part of the document tree");
collection->RequestRestyle(AnimationCollection::RestyleType::Standard);
}
}
AnimationCollection*
CommonAnimationManager::GetAnimationsForCompositor(nsIContent* aContent,
nsIAtom* aElementProperty,
nsCSSProperty aProperty)
{
if (!aContent->MayHaveAnimations())
return nullptr;
AnimationCollection* collection =
static_cast<AnimationCollection*>(aContent->GetProperty(aElementProperty));
if (!collection ||
!collection->HasAnimationOfProperty(aProperty) ||
!collection->CanPerformOnCompositorThread(
AnimationCollection::CanAnimate_AllowPartial)) {
return nullptr;
}
// This animation can be done on the compositor.
return collection;
}
void
CommonAnimationManager::AddStyleUpdatesTo(RestyleTracker& aTracker)
{
TimeStamp now = mPresContext->RefreshDriver()->MostRecentRefresh();
PRCList* next = PR_LIST_HEAD(&mElementCollections);
while (next != &mElementCollections) {
AnimationCollection* collection = static_cast<AnimationCollection*>(next);
next = PR_NEXT_LINK(next);
collection->EnsureStyleRuleFor(now);
dom::Element* elementToRestyle = collection->GetElementToRestyle();
if (elementToRestyle) {
nsRestyleHint rshint = collection->IsForTransitions()
? eRestyle_CSSTransitions : eRestyle_CSSAnimations;
aTracker.AddPendingRestyle(elementToRestyle, rshint, nsChangeHint(0));
}
}
}
void
CommonAnimationManager::FlushAnimations(FlushFlags aFlags)
{
TimeStamp now = mPresContext->RefreshDriver()->MostRecentRefresh();
for (AnimationCollection* collection = mElementCollections.getFirst();
collection; collection = collection->getNext()) {
if (collection->mStyleRuleRefreshTime == now) {
continue;
}
if (aFlags == Cannot_Throttle) {
collection->RequestRestyle(AnimationCollection::RestyleType::Standard);
}
nsAutoAnimationMutationBatch mb(collection->mElement);
collection->Tick();
}
MaybeStartOrStopObservingRefreshDriver();
}
void
CommonAnimationManager::FlushAnimations(FlushFlags aFlags)
{
TimeStamp now = mPresContext->RefreshDriver()->MostRecentRefresh();
for (PRCList *l = PR_LIST_HEAD(&mElementCollections);
l != &mElementCollections;
l = PR_NEXT_LINK(l)) {
AnimationCollection* collection = static_cast<AnimationCollection*>(l);
if (collection->mStyleRuleRefreshTime == now) {
continue;
}
if (aFlags == Cannot_Throttle) {
collection->RequestRestyle(AnimationCollection::RestyleType::Standard);
}
nsAutoAnimationMutationBatch mb(collection->mElement);
collection->Tick();
}
MaybeStartOrStopObservingRefreshDriver();
}
void
nsAnimationManager::FlushAnimations(FlushFlags aFlags)
{
TimeStamp now = mPresContext->RefreshDriver()->MostRecentRefresh();
bool didThrottle = false;
for (PRCList *l = PR_LIST_HEAD(&mElementCollections);
l != &mElementCollections;
l = PR_NEXT_LINK(l)) {
AnimationCollection* collection = static_cast<AnimationCollection*>(l);
nsAutoAnimationMutationBatch mb(collection->mElement);
collection->Tick();
bool canThrottleTick = aFlags == Can_Throttle &&
collection->CanPerformOnCompositorThread(
AnimationCollection::CanAnimateFlags(0)) &&
collection->CanThrottleAnimation(now);
nsRefPtr<css::AnimValuesStyleRule> oldStyleRule = collection->mStyleRule;
UpdateStyleAndEvents(collection, now, canThrottleTick
? EnsureStyleRule_IsThrottled
: EnsureStyleRule_IsNotThrottled);
if (oldStyleRule != collection->mStyleRule) {
collection->PostRestyleForAnimation(mPresContext);
} else {
didThrottle = true;
}
}
if (didThrottle) {
mPresContext->Document()->SetNeedStyleFlush();
}
MaybeStartOrStopObservingRefreshDriver();
DispatchEvents(); // may destroy us
}
void
Animation::Tick()
{
// Finish pending if we have a pending ready time, but only if we also
// have an active timeline.
if (mPendingState != PendingState::NotPending &&
!mPendingReadyTime.IsNull() &&
mTimeline &&
!mTimeline->GetCurrentTime().IsNull()) {
// Even though mPendingReadyTime is initialized using TimeStamp::Now()
// during the *previous* tick of the refresh driver, it can still be
// ahead of the *current* timeline time when we are using the
// vsync timer so we need to clamp it to the timeline time.
mPendingReadyTime.SetValue(std::min(mTimeline->GetCurrentTime().Value(),
mPendingReadyTime.Value()));
FinishPendingAt(mPendingReadyTime.Value());
mPendingReadyTime.SetNull();
}
if (IsPossiblyOrphanedPendingAnimation()) {
MOZ_ASSERT(mTimeline && !mTimeline->GetCurrentTime().IsNull(),
"Orphaned pending animtaions should have an active timeline");
FinishPendingAt(mTimeline->GetCurrentTime().Value());
}
UpdateTiming(SeekFlag::NoSeek, SyncNotifyFlag::Async);
// FIXME: Detect the no-change case and don't request a restyle at all
// FIXME: Detect changes to IsPlaying() state and request RestyleType::Layer
// so that layers get updated immediately
AnimationCollection* collection = GetCollection();
if (collection) {
collection->RequestRestyle(CanThrottle() ?
AnimationCollection::RestyleType::Throttled :
AnimationCollection::RestyleType::Standard);
}
}
nsIStyleRule*
nsAnimationManager::CheckAnimationRule(nsStyleContext* aStyleContext,
mozilla::dom::Element* aElement)
{
if (!mPresContext->IsDynamic()) {
// For print or print preview, ignore animations.
return nullptr;
}
// Everything that causes our animation data to change triggers a
// style change, which in turn triggers a non-animation restyle.
// Likewise, when we initially construct frames, we're not in a
// style change, but also not in an animation restyle.
const nsStyleDisplay* disp = aStyleContext->StyleDisplay();
AnimationCollection* collection =
GetAnimations(aElement, aStyleContext->GetPseudoType(), false);
if (!collection &&
disp->mAnimationNameCount == 1 &&
disp->mAnimations[0].GetName().IsEmpty()) {
return nullptr;
}
nsAutoAnimationMutationBatch mb(aElement);
// build the animations list
dom::DocumentTimeline* timeline = aElement->OwnerDoc()->Timeline();
AnimationPtrArray newAnimations;
if (!aStyleContext->IsInDisplayNoneSubtree()) {
BuildAnimations(aStyleContext, aElement, timeline, newAnimations);
}
if (newAnimations.IsEmpty()) {
if (collection) {
// There might be transitions that run now that animations don't
// override them.
mPresContext->TransitionManager()->
UpdateCascadeResultsWithAnimationsToBeDestroyed(collection);
collection->Destroy();
}
return nullptr;
}
if (collection) {
collection->mStyleRule = nullptr;
collection->mStyleRuleRefreshTime = TimeStamp();
collection->UpdateAnimationGeneration(mPresContext);
// Copy over the start times and (if still paused) pause starts
// for each animation (matching on name only) that was also in the
// old list of animations.
// This means that we honor dynamic changes, which isn't what the
// spec says to do, but WebKit seems to honor at least some of
// them. See
// http://lists.w3.org/Archives/Public/www-style/2011Apr/0079.html
// In order to honor what the spec said, we'd copy more data over
// (or potentially optimize BuildAnimations to avoid rebuilding it
// in the first place).
if (!collection->mAnimations.IsEmpty()) {
for (size_t newIdx = newAnimations.Length(); newIdx-- != 0;) {
Animation* newAnim = newAnimations[newIdx];
// Find the matching animation with this name in the old list
// of animations. We iterate through both lists in a backwards
// direction which means that if there are more animations in
// the new list of animations with a given name than in the old
// list, it will be the animations towards the of the beginning of
// the list that do not match and are treated as new animations.
nsRefPtr<CSSAnimation> oldAnim;
size_t oldIdx = collection->mAnimations.Length();
while (oldIdx-- != 0) {
CSSAnimation* a = collection->mAnimations[oldIdx]->AsCSSAnimation();
MOZ_ASSERT(a, "All animations in the CSS Animation collection should"
" be CSSAnimation objects");
if (a->Name() == newAnim->Name()) {
oldAnim = a;
break;
}
}
if (!oldAnim) {
continue;
}
bool animationChanged = false;
// Update the old from the new so we can keep the original object
// identity (and any expando properties attached to it).
if (oldAnim->GetEffect() && newAnim->GetEffect()) {
KeyframeEffectReadOnly* oldEffect = oldAnim->GetEffect();
KeyframeEffectReadOnly* newEffect = newAnim->GetEffect();
animationChanged =
oldEffect->Timing() != newEffect->Timing() ||
oldEffect->Properties() != newEffect->Properties();
oldEffect->Timing() = newEffect->Timing();
oldEffect->Properties() = newEffect->Properties();
}
// Reset compositor state so animation will be re-synchronized.
oldAnim->ClearIsRunningOnCompositor();
// Handle changes in play state. If the animation is idle, however,
// changes to animation-play-state should *not* restart it.
if (oldAnim->PlayState() != AnimationPlayState::Idle) {
// CSSAnimation takes care of override behavior so that,
// for example, if the author has called pause(), that will
// override the animation-play-state.
// (We should check newAnim->IsStylePaused() but that requires
// downcasting to CSSAnimation and we happen to know that
// newAnim will only ever be paused by calling PauseFromStyle
// making IsPausedOrPausing synonymous in this case.)
if (!oldAnim->IsStylePaused() && newAnim->IsPausedOrPausing()) {
oldAnim->PauseFromStyle();
animationChanged = true;
} else if (oldAnim->IsStylePaused() &&
!newAnim->IsPausedOrPausing()) {
oldAnim->PlayFromStyle();
animationChanged = true;
}
}
if (animationChanged) {
nsNodeUtils::AnimationChanged(oldAnim);
}
// Replace new animation with the (updated) old one and remove the
// old one from the array so we don't try to match it any more.
//
// Although we're doing this while iterating this is safe because
// we're not changing the length of newAnimations and we've finished
// iterating over the list of old iterations.
newAnim->CancelFromStyle();
newAnim = nullptr;
newAnimations.ReplaceElementAt(newIdx, oldAnim);
collection->mAnimations.RemoveElementAt(oldIdx);
// We've touched the old animation's timing properties, so this
// could update the old animation's relevance.
oldAnim->UpdateRelevance();
}
}
} else {
collection =
GetAnimations(aElement, aStyleContext->GetPseudoType(), true);
}
collection->mAnimations.SwapElements(newAnimations);
collection->mNeedsRefreshes = true;
collection->Tick();
// Cancel removed animations
for (size_t newAnimIdx = newAnimations.Length(); newAnimIdx-- != 0; ) {
newAnimations[newAnimIdx]->CancelFromStyle();
}
UpdateCascadeResults(aStyleContext, collection);
TimeStamp refreshTime = mPresContext->RefreshDriver()->MostRecentRefresh();
UpdateStyleAndEvents(collection, refreshTime,
EnsureStyleRule_IsNotThrottled);
// We don't actually dispatch the mPendingEvents now. We'll either
// dispatch them the next time we get a refresh driver notification
// or the next time somebody calls
// nsPresShell::FlushPendingNotifications.
if (!mPendingEvents.IsEmpty()) {
mPresContext->Document()->SetNeedStyleFlush();
}
return GetAnimationRule(aElement, aStyleContext->GetPseudoType());
}
Texture Actor::updatedFrameFromCurrentAnimation(AnimationCollection& animations, std::chrono::milliseconds elapsed)
{
auto& currAnim = animations.animation(currAnimation_);
currAnim.update(elapsed);
return currAnim.currentFrame();
}
nsIStyleRule*
nsAnimationManager::CheckAnimationRule(nsStyleContext* aStyleContext,
mozilla::dom::Element* aElement)
{
// Ignore animations for print or print preview, and for elements
// that are not attached to the document tree.
if (!mPresContext->IsDynamic() || !aElement->IsInComposedDoc()) {
return nullptr;
}
// Everything that causes our animation data to change triggers a
// style change, which in turn triggers a non-animation restyle.
// Likewise, when we initially construct frames, we're not in a
// style change, but also not in an animation restyle.
const nsStyleDisplay* disp = aStyleContext->StyleDisplay();
AnimationCollection* collection =
GetAnimationCollection(aElement,
aStyleContext->GetPseudoType(),
false /* aCreateIfNeeded */);
if (!collection &&
disp->mAnimationNameCount == 1 &&
disp->mAnimations[0].GetName().IsEmpty()) {
return nullptr;
}
nsAutoAnimationMutationBatch mb(aElement->OwnerDoc());
// build the animations list
dom::DocumentTimeline* timeline = aElement->OwnerDoc()->Timeline();
AnimationPtrArray newAnimations;
if (!aStyleContext->IsInDisplayNoneSubtree()) {
BuildAnimations(aStyleContext, aElement, timeline, newAnimations);
}
if (newAnimations.IsEmpty()) {
if (collection) {
collection->Destroy();
}
return nullptr;
}
if (collection) {
collection->mStyleRuleRefreshTime = TimeStamp();
EffectSet* effectSet =
EffectSet::GetEffectSet(aElement, aStyleContext->GetPseudoType());
if (effectSet) {
effectSet->UpdateAnimationGeneration(mPresContext);
}
// Copy over the start times and (if still paused) pause starts
// for each animation (matching on name only) that was also in the
// old list of animations.
// This means that we honor dynamic changes, which isn't what the
// spec says to do, but WebKit seems to honor at least some of
// them. See
// http://lists.w3.org/Archives/Public/www-style/2011Apr/0079.html
// In order to honor what the spec said, we'd copy more data over
// (or potentially optimize BuildAnimations to avoid rebuilding it
// in the first place).
if (!collection->mAnimations.IsEmpty()) {
for (size_t newIdx = newAnimations.Length(); newIdx-- != 0;) {
Animation* newAnim = newAnimations[newIdx];
// Find the matching animation with this name in the old list
// of animations. We iterate through both lists in a backwards
// direction which means that if there are more animations in
// the new list of animations with a given name than in the old
// list, it will be the animations towards the of the beginning of
// the list that do not match and are treated as new animations.
RefPtr<CSSAnimation> oldAnim;
size_t oldIdx = collection->mAnimations.Length();
while (oldIdx-- != 0) {
CSSAnimation* a = collection->mAnimations[oldIdx]->AsCSSAnimation();
MOZ_ASSERT(a, "All animations in the CSS Animation collection should"
" be CSSAnimation objects");
if (a->AnimationName() ==
newAnim->AsCSSAnimation()->AnimationName()) {
oldAnim = a;
break;
}
}
if (!oldAnim) {
// FIXME: Bug 1134163 - We shouldn't queue animationstart events
// until the animation is actually ready to run. However, we
// currently have some tests that assume that these events are
// dispatched within the same tick as the animation is added
// so we need to queue up any animationstart events from newly-created
// animations.
newAnim->AsCSSAnimation()->QueueEvents();
continue;
}
bool animationChanged = false;
// Update the old from the new so we can keep the original object
// identity (and any expando properties attached to it).
if (oldAnim->GetEffect() && newAnim->GetEffect()) {
KeyframeEffectReadOnly* oldEffect = oldAnim->GetEffect();
KeyframeEffectReadOnly* newEffect = newAnim->GetEffect();
animationChanged =
oldEffect->Timing() != newEffect->Timing() ||
oldEffect->Properties() != newEffect->Properties();
oldEffect->SetTiming(newEffect->Timing());
// To preserve the mIsRunningOnCompositor value on each property,
// we copy it from the old effect to the new effect since, in the
// following step, we will completely clobber the properties on the
// old effect with the values on the new effect.
CopyIsRunningOnCompositor(*oldEffect, *newEffect);
oldEffect->Properties() = newEffect->Properties();
}
// Handle changes in play state. If the animation is idle, however,
// changes to animation-play-state should *not* restart it.
if (oldAnim->PlayState() != AnimationPlayState::Idle) {
// CSSAnimation takes care of override behavior so that,
// for example, if the author has called pause(), that will
// override the animation-play-state.
// (We should check newAnim->IsStylePaused() but that requires
// downcasting to CSSAnimation and we happen to know that
// newAnim will only ever be paused by calling PauseFromStyle
// making IsPausedOrPausing synonymous in this case.)
if (!oldAnim->IsStylePaused() && newAnim->IsPausedOrPausing()) {
oldAnim->PauseFromStyle();
animationChanged = true;
} else if (oldAnim->IsStylePaused() &&
!newAnim->IsPausedOrPausing()) {
oldAnim->PlayFromStyle();
animationChanged = true;
}
}
oldAnim->CopyAnimationIndex(*newAnim->AsCSSAnimation());
// Updating the effect timing above might already have caused the
// animation to become irrelevant so only add a changed record if
// the animation is still relevant.
if (animationChanged && oldAnim->IsRelevant()) {
nsNodeUtils::AnimationChanged(oldAnim);
}
// Replace new animation with the (updated) old one and remove the
// old one from the array so we don't try to match it any more.
//
// Although we're doing this while iterating this is safe because
// we're not changing the length of newAnimations and we've finished
// iterating over the list of old iterations.
newAnim->CancelFromStyle();
newAnim = nullptr;
newAnimations.ReplaceElementAt(newIdx, oldAnim);
collection->mAnimations.RemoveElementAt(oldIdx);
}
}
} else {
collection = GetAnimationCollection(aElement,
aStyleContext->GetPseudoType(),
true /* aCreateIfNeeded */);
for (Animation* animation : newAnimations) {
// FIXME: Bug 1134163 - As above, we have shouldn't actually need to
// queue events here. (But we do for now since some tests expect
// animationstart events to be dispatched immediately.)
animation->AsCSSAnimation()->QueueEvents();
}
}
collection->mAnimations.SwapElements(newAnimations);
collection->mStyleChanging = true;
// Cancel removed animations
for (size_t newAnimIdx = newAnimations.Length(); newAnimIdx-- != 0; ) {
newAnimations[newAnimIdx]->CancelFromStyle();
}
EffectCompositor::UpdateCascadeResults(aElement,
aStyleContext->GetPseudoType(),
aStyleContext);
TimeStamp refreshTime = mPresContext->RefreshDriver()->MostRecentRefresh();
collection->EnsureStyleRuleFor(refreshTime);
// We don't actually dispatch the pending events now. We'll either
// dispatch them the next time we get a refresh driver notification
// or the next time somebody calls
// nsPresShell::FlushPendingNotifications.
if (mEventDispatcher.HasQueuedEvents()) {
mPresContext->Document()->SetNeedStyleFlush();
}
return GetAnimationRule(aElement, aStyleContext->GetPseudoType());
}
/* static */ void
EffectCompositor::UpdateCascadeResults(EffectSet& aEffectSet,
Element* aElement,
nsCSSPseudoElements::Type aPseudoType,
nsStyleContext* aStyleContext)
{
MOZ_ASSERT(EffectSet::GetEffectSet(aElement, aPseudoType) == &aEffectSet,
"Effect set should correspond to the specified (pseudo-)element");
if (aEffectSet.IsEmpty()) {
aEffectSet.MarkCascadeUpdated();
return;
}
// Get a list of effects sorted by composite order.
nsTArray<KeyframeEffectReadOnly*> sortedEffectList;
for (KeyframeEffectReadOnly* effect : aEffectSet) {
sortedEffectList.AppendElement(effect);
}
sortedEffectList.Sort(EffectCompositeOrderComparator());
// Get properties that override the *animations* level of the cascade.
//
// We only do this for properties that we can animate on the compositor
// since we will apply other properties on the main thread where the usual
// cascade applies.
nsCSSPropertySet overriddenProperties;
if (aStyleContext) {
GetOverriddenProperties(aStyleContext, aEffectSet, overriddenProperties);
}
bool changed = false;
nsCSSPropertySet animatedProperties;
// Iterate from highest to lowest composite order.
for (KeyframeEffectReadOnly* effect : Reversed(sortedEffectList)) {
MOZ_ASSERT(effect->GetAnimation(),
"Effects on a target element should have an Animation");
bool inEffect = effect->IsInEffect();
for (AnimationProperty& prop : effect->Properties()) {
bool winsInCascade = !animatedProperties.HasProperty(prop.mProperty) &&
inEffect;
// If this property wins in the cascade, add it to the set of animated
// properties. We need to do this even if the property is overridden
// (in which case we set winsInCascade to false below) since we don't
// want to fire transitions on these properties.
if (winsInCascade) {
animatedProperties.AddProperty(prop.mProperty);
}
// For effects that will be applied to the animations level of the
// cascade, we need to check that the property isn't being set by
// something with higher priority in the cascade.
//
// We only do this, however, for properties that can be animated on
// the compositor. For properties animated on the main thread the usual
// cascade ensures these animations will be correctly overridden.
if (winsInCascade &&
effect->GetAnimation()->CascadeLevel() == CascadeLevel::Animations &&
overriddenProperties.HasProperty(prop.mProperty)) {
winsInCascade = false;
}
if (winsInCascade != prop.mWinsInCascade) {
changed = true;
}
prop.mWinsInCascade = winsInCascade;
}
}
aEffectSet.MarkCascadeUpdated();
// If there is any change in the cascade result, update animations on
// layers with the winning animations.
nsPresContext* presContext = GetPresContext(aElement);
if (changed && presContext) {
// We currently unconditionally update both animations and transitions
// even if we could, for example, get away with only updating animations.
// This is a temporary measure until we unify all animation style updating
// under EffectCompositor.
AnimationCollection* animations =
presContext->AnimationManager()->GetAnimationCollection(aElement,
aPseudoType,
false);
/* don't create */
if (animations) {
animations->RequestRestyle(AnimationCollection::RestyleType::Layer);
}
AnimationCollection* transitions =
presContext->TransitionManager()->GetAnimationCollection(aElement,
aPseudoType,
false);
/* don't create */
if (transitions) {
transitions->RequestRestyle(AnimationCollection::RestyleType::Layer);
}
}
}
int main(int argc, char *argv[])
{
g_SDLwindow = NULL;
g_SDLwindow = SDL_CreateWindow("Tertian", 100, 100, WINDOW_WIDTH, WINDOW_HEIGHT, 0);
sdlApp.Initialize(g_SDLwindow);
XMLFileReader file_reader = XMLFileReader("Data/Animations/test.xml");
//file_reader.OpenFile("Data/Animations/test.xml");
for(int i = 0; i < 10; i++)
cout << file_reader.GetToken("frame", i) << endl;
//set up the animation collection
AnimationCollection ac = AnimationCollection();
ac.InsertAnimation("librarian_attack");
ac.InsertAnimation("librarian_idle");
CubeGrid level = CubeGrid(2,3,2);
// Access array elements
int block_size = 32;
Timer timer;
float delta_time;
string frame_name;
int x = WINDOW_WIDTH/2 + 100;
int y = WINDOW_HEIGHT/2;
while(sdlApp.IsRunning()) {
delta_time = timer.GetDt();
//move the animation frame around
if(Keyboard::GetKey("Up"))
y--;
if(Keyboard::GetKey("Down"))
y++;
if(Keyboard::GetKey("Left"))
x--;
if(Keyboard::GetKey("right"))
x++;
if(Keyboard::GetKey("s"))
ac.StopActiveAnimation();
if(Keyboard::GetKey("a"))
ac.PauseActiveAnimation();
if(Keyboard::GetKey("p"))
ac.PlayActiveAnimation();
//select the active animation
if(Keyboard::GetKey("1"))
ac.SetActiveAnimation("librarian_idle");
if(Keyboard::GetKey("2"))
ac.SetActiveAnimation("librarian_attack");
//get the current animation frame name
frame_name = ac.UpdateActiveAnimation(delta_time);
//blit the animation frame
Graphics::BlitImage(frame_name, x, y);
Graphics::Print("[S]top animation.", 0, 12);
Graphics::Print("P[a]use animation.", 0, 24);
Graphics::Print("[P]lay animation.", 0, 36);
Graphics::Print("Select animation [1]/[2] ", 0, 48);
Graphics::DrawLevelBlock(WINDOW_WIDTH/2, WINDOW_HEIGHT/2);
Graphics::DrawLevelBlock(WINDOW_WIDTH/2 + 128, WINDOW_HEIGHT/2);
Graphics::DrawLevelBlock(WINDOW_WIDTH/2 - 128, WINDOW_HEIGHT/2);
Graphics::DrawLevelBlock(WINDOW_WIDTH/2 - 64, WINDOW_HEIGHT/2 - 32);
Graphics::DrawLevelBlock(WINDOW_WIDTH/2 + 64, WINDOW_HEIGHT/2 - 32);
Graphics::DrawLevelBlock(WINDOW_WIDTH/2 + 64, WINDOW_HEIGHT/2 - 53);
Graphics::DrawLevelBlock(WINDOW_WIDTH/2, WINDOW_HEIGHT/2 - 64);
Graphics::SetDrawColor();
for(int i = 0; i < level.GetSizeX(); i++)
for(int j = 0; j < level.GetSizeY(); j++)
for(int k = 0; k < level.GetSizeZ(); k++){
int value = level.GetCell(i,j,k);
Graphics::Print(value, block_size * i , block_size * j + 120 * k);
}
sdlApp.Update(timer.GetDt());
#if _DEBUG
//printf("time :%f\n", timer.GetDt());
#endif
}
SDL_DestroyWindow(g_SDLwindow);
return 0;
}
