PassRefPtr<RenderStyle> AnimationController::updateAnimations(RenderObject* renderer, RenderStyle* newStyle)
{
RenderStyle* oldStyle = renderer->style();
if ((!oldStyle || (!oldStyle->animations() && !oldStyle->transitions())) && (!newStyle->animations() && !newStyle->transitions()))
return newStyle;
// Don't run transitions when printing.
if (renderer->view()->document().printing())
return newStyle;
// Fetch our current set of implicit animations from a hashtable. We then compare them
// against the animations in the style and make sure we're in sync. If destination values
// have changed, we reset the animation. We then do a blend to get new values and we return
// a new style.
// We don't support anonymous pseudo elements like :first-line or :first-letter.
ASSERT(renderer->node());
RefPtr<CompositeAnimation> rendererAnimations = m_data->accessCompositeAnimation(renderer);
RefPtr<RenderStyle> blendedStyle = rendererAnimations->animate(renderer, oldStyle, newStyle);
if (renderer->parent() || newStyle->animations() || (oldStyle && oldStyle->animations())) {
m_data->scheduleServiceForRenderer(renderer);
}
if (blendedStyle != newStyle) {
// If the animations/transitions change opacity or transform, we need to update
// the style to impose the stacking rules. Note that this is also
// done in StyleResolver::adjustRenderStyle().
if (blendedStyle->hasAutoZIndex() && (blendedStyle->opacity() < 1.0f || blendedStyle->hasTransform()))
blendedStyle->setZIndex(0);
}
return blendedStyle.release();
}
bool AnimationController::updateAnimations(RenderElement& renderer, const RenderStyle& newStyle, std::unique_ptr<RenderStyle>& animatedStyle)
{
auto* oldStyle = renderer.hasInitializedStyle() ? &renderer.style() : nullptr;
if ((!oldStyle || (!oldStyle->animations() && !oldStyle->transitions())) && (!newStyle.animations() && !newStyle.transitions()))
return false;
if (renderer.document().pageCacheState() != Document::NotInPageCache)
return false;
// Don't run transitions when printing.
if (renderer.view().printing())
return false;
// Fetch our current set of implicit animations from a hashtable. We then compare them
// against the animations in the style and make sure we're in sync. If destination values
// have changed, we reset the animation. We then do a blend to get new values and we return
// a new style.
// We don't support anonymous pseudo elements like :first-line or :first-letter.
ASSERT(renderer.element());
CompositeAnimation& rendererAnimations = m_data->ensureCompositeAnimation(renderer);
bool animationStateChanged = rendererAnimations.animate(renderer, oldStyle, newStyle, animatedStyle);
if (renderer.parent() || newStyle.animations() || (oldStyle && oldStyle->animations())) {
m_data->updateAnimationTimerForRenderer(renderer);
#if ENABLE(REQUEST_ANIMATION_FRAME)
renderer.view().frameView().scheduleAnimation();
#endif
}
return animationStateChanged;
}
PassRefPtr<RenderStyle> AnimationController::updateAnimations(RenderObject* renderer, RenderStyle* newStyle)
{
// Don't do anything if we're in the cache
if (!renderer->document() || renderer->document()->inPageCache())
return newStyle;
RenderStyle* oldStyle = renderer->style();
if ((!oldStyle || (!oldStyle->animations() && !oldStyle->transitions())) && (!newStyle->animations() && !newStyle->transitions()))
return newStyle;
// Don't run transitions when printing.
if (renderer->view()->printing())
return newStyle;
// Fetch our current set of implicit animations from a hashtable. We then compare them
// against the animations in the style and make sure we're in sync. If destination values
// have changed, we reset the animation. We then do a blend to get new values and we return
// a new style.
ASSERT(renderer->node()); // FIXME: We do not animate generated content yet.
RefPtr<CompositeAnimation> rendererAnimations = m_data->accessCompositeAnimation(renderer);
RefPtr<RenderStyle> blendedStyle = rendererAnimations->animate(renderer, oldStyle, newStyle);
m_data->updateAnimationTimer();
if (blendedStyle != newStyle) {
// If the animations/transitions change opacity or transform, we need to update
// the style to impose the stacking rules. Note that this is also
// done in CSSStyleSelector::adjustRenderStyle().
if (blendedStyle->hasAutoZIndex() && (blendedStyle->opacity() < 1.0f || blendedStyle->hasTransform()))
blendedStyle->setZIndex(0);
}
return blendedStyle.release();
}
PassRef<RenderStyle> AnimationController::updateAnimations(RenderElement& renderer, PassRef<RenderStyle> newStyle)
{
// Don't do anything if we're in the cache
if (renderer.document().inPageCache())
return newStyle;
RenderStyle* oldStyle = renderer.hasInitializedStyle() ? &renderer.style() : nullptr;
if ((!oldStyle || (!oldStyle->animations() && !oldStyle->transitions())) && (!newStyle.get().animations() && !newStyle.get().transitions()))
return newStyle;
// Don't run transitions when printing.
if (renderer.view().printing())
return newStyle;
// Fetch our current set of implicit animations from a hashtable. We then compare them
// against the animations in the style and make sure we're in sync. If destination values
// have changed, we reset the animation. We then do a blend to get new values and we return
// a new style.
// We don't support anonymous pseudo elements like :first-line or :first-letter.
ASSERT(renderer.element());
Ref<RenderStyle> newStyleBeforeAnimation(std::move(newStyle));
CompositeAnimation& rendererAnimations = m_data->ensureCompositeAnimation(&renderer);
auto blendedStyle = rendererAnimations.animate(renderer, oldStyle, newStyleBeforeAnimation.get());
if (renderer.parent() || newStyleBeforeAnimation->animations() || (oldStyle && oldStyle->animations())) {
m_data->updateAnimationTimerForRenderer(&renderer);
#if ENABLE(REQUEST_ANIMATION_FRAME)
renderer.view().frameView().scheduleAnimation();
#endif
}
if (&blendedStyle.get() != &newStyleBeforeAnimation.get()) {
// If the animations/transitions change opacity or transform, we need to update
// the style to impose the stacking rules. Note that this is also
// done in StyleResolver::adjustRenderStyle().
if (blendedStyle.get().hasAutoZIndex() && (blendedStyle.get().opacity() < 1.0f || blendedStyle.get().hasTransform()))
blendedStyle.get().setZIndex(0);
}
return blendedStyle;
}
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));
}
}