| /* |
| * Copyright (C) 2017 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "DocumentTimeline.h" |
| |
| #include "AnimationPlaybackEvent.h" |
| #include "CSSAnimation.h" |
| #include "CSSPropertyAnimation.h" |
| #include "CSSTransition.h" |
| #include "DOMWindow.h" |
| #include "DeclarativeAnimation.h" |
| #include "Document.h" |
| #include "EventNames.h" |
| #include "GraphicsLayer.h" |
| #include "KeyframeEffect.h" |
| #include "Microtasks.h" |
| #include "Node.h" |
| #include "Page.h" |
| #include "PseudoElement.h" |
| #include "RenderElement.h" |
| #include "RenderLayer.h" |
| #include "RenderLayerBacking.h" |
| #include <JavaScriptCore/VM.h> |
| |
| static const Seconds defaultAnimationInterval { 15_ms }; |
| static const Seconds throttledAnimationInterval { 30_ms }; |
| |
| namespace WebCore { |
| |
| Ref<DocumentTimeline> DocumentTimeline::create(Document& document) |
| { |
| return adoptRef(*new DocumentTimeline(document, 0_s)); |
| } |
| |
| Ref<DocumentTimeline> DocumentTimeline::create(Document& document, DocumentTimelineOptions&& options) |
| { |
| return adoptRef(*new DocumentTimeline(document, Seconds::fromMilliseconds(options.originTime))); |
| } |
| |
| DocumentTimeline::DocumentTimeline(Document& document, Seconds originTime) |
| : AnimationTimeline() |
| , m_tickScheduleTimer(*this, &DocumentTimeline::scheduleAnimationResolution) |
| , m_document(&document) |
| , m_originTime(originTime) |
| { |
| if (m_document && m_document->page() && !m_document->page()->isVisible()) |
| suspendAnimations(); |
| } |
| |
| DocumentTimeline::~DocumentTimeline() = default; |
| |
| void DocumentTimeline::detachFromDocument() |
| { |
| m_currentTimeClearingTaskQueue.close(); |
| m_elementsWithRunningAcceleratedAnimations.clear(); |
| |
| auto& animationsToRemove = m_animations; |
| while (!animationsToRemove.isEmpty()) |
| animationsToRemove.first()->remove(); |
| |
| unscheduleAnimationResolution(); |
| m_document = nullptr; |
| } |
| |
| static inline bool compareDeclarativeAnimationOwningElementPositionsInDocumentTreeOrder(Element* lhsOwningElement, Element* rhsOwningElement) |
| { |
| // With regard to pseudo-elements, the sort order is as follows: |
| // - element |
| // - ::before |
| // - ::after |
| // - element children |
| |
| // We could be comparing two pseudo-elements that are hosted on the same element. |
| if (is<PseudoElement>(lhsOwningElement) && is<PseudoElement>(rhsOwningElement)) { |
| auto* lhsPseudoElement = downcast<PseudoElement>(lhsOwningElement); |
| auto* rhsPseudoElement = downcast<PseudoElement>(rhsOwningElement); |
| if (lhsPseudoElement->hostElement() == rhsPseudoElement->hostElement()) |
| return lhsPseudoElement->isBeforePseudoElement(); |
| } |
| |
| // Or comparing a pseudo-element that is compared to another non-pseudo element, in which case |
| // we want to see if it's hosted on that other element, and if not use its host element to compare. |
| if (is<PseudoElement>(lhsOwningElement)) { |
| auto* lhsHostElement = downcast<PseudoElement>(lhsOwningElement)->hostElement(); |
| if (rhsOwningElement == lhsHostElement) |
| return false; |
| lhsOwningElement = lhsHostElement; |
| } |
| |
| if (is<PseudoElement>(rhsOwningElement)) { |
| auto* rhsHostElement = downcast<PseudoElement>(rhsOwningElement)->hostElement(); |
| if (lhsOwningElement == rhsHostElement) |
| return true; |
| rhsOwningElement = rhsHostElement; |
| } |
| |
| return lhsOwningElement->compareDocumentPosition(*rhsOwningElement) & Node::DOCUMENT_POSITION_FOLLOWING; |
| } |
| |
| Vector<RefPtr<WebAnimation>> DocumentTimeline::getAnimations() const |
| { |
| ASSERT(m_document); |
| |
| Vector<RefPtr<WebAnimation>> cssTransitions; |
| Vector<RefPtr<WebAnimation>> cssAnimations; |
| Vector<RefPtr<WebAnimation>> webAnimations; |
| |
| // First, let's get all qualifying animations in their right group. |
| for (const auto& animation : m_allAnimations) { |
| if (!animation || !animation->isRelevant() || animation->timeline() != this || !is<KeyframeEffect>(animation->effect())) |
| continue; |
| |
| auto* target = downcast<KeyframeEffect>(animation->effect())->target(); |
| if (!target || !target->isDescendantOf(*m_document)) |
| continue; |
| |
| if (is<CSSTransition>(animation.get()) && downcast<CSSTransition>(animation.get())->owningElement()) |
| cssTransitions.append(animation.get()); |
| else if (is<CSSAnimation>(animation.get()) && downcast<CSSAnimation>(animation.get())->owningElement()) |
| cssAnimations.append(animation.get()); |
| else |
| webAnimations.append(animation.get()); |
| } |
| |
| // Now sort CSS Transitions by their composite order. |
| std::sort(cssTransitions.begin(), cssTransitions.end(), [](auto& lhs, auto& rhs) { |
| // https://drafts.csswg.org/css-transitions-2/#animation-composite-order |
| auto* lhsTransition = downcast<CSSTransition>(lhs.get()); |
| auto* rhsTransition = downcast<CSSTransition>(rhs.get()); |
| |
| auto* lhsOwningElement = lhsTransition->owningElement(); |
| auto* rhsOwningElement = rhsTransition->owningElement(); |
| |
| // If the owning element of A and B differs, sort A and B by tree order of their corresponding owning elements. |
| if (lhsOwningElement != rhsOwningElement) |
| return compareDeclarativeAnimationOwningElementPositionsInDocumentTreeOrder(lhsOwningElement, rhsOwningElement); |
| |
| // Otherwise, if A and B have different transition generation values, sort by their corresponding transition generation in ascending order. |
| if (lhsTransition->generationTime() != rhsTransition->generationTime()) |
| return lhsTransition->generationTime() < rhsTransition->generationTime(); |
| |
| // Otherwise, sort A and B in ascending order by the Unicode codepoints that make up the expanded transition property name of each transition |
| // (i.e. without attempting case conversion and such that ‘-moz-column-width’ sorts before ‘column-width’). |
| return lhsTransition->transitionProperty().utf8() < rhsTransition->transitionProperty().utf8(); |
| }); |
| |
| // Now sort CSS Animations by their composite order. |
| std::sort(cssAnimations.begin(), cssAnimations.end(), [](auto& lhs, auto& rhs) { |
| // https://drafts.csswg.org/css-animations-2/#animation-composite-order |
| auto* lhsOwningElement = downcast<CSSAnimation>(lhs.get())->owningElement(); |
| auto* rhsOwningElement = downcast<CSSAnimation>(rhs.get())->owningElement(); |
| |
| // If the owning element of A and B differs, sort A and B by tree order of their corresponding owning elements. |
| if (lhsOwningElement != rhsOwningElement) |
| return compareDeclarativeAnimationOwningElementPositionsInDocumentTreeOrder(lhsOwningElement, rhsOwningElement); |
| |
| // Otherwise, sort A and B based on their position in the computed value of the animation-name property of the (common) owning element. |
| // In our case, this matches the time at which the animations were created and thus their relative position in m_allAnimations. |
| return false; |
| }); |
| |
| // Finally, we can concatenate the sorted CSS Transitions, CSS Animations and Web Animations in their relative composite order. |
| Vector<RefPtr<WebAnimation>> animations; |
| animations.appendRange(cssTransitions.begin(), cssTransitions.end()); |
| animations.appendRange(cssAnimations.begin(), cssAnimations.end()); |
| animations.appendRange(webAnimations.begin(), webAnimations.end()); |
| return animations; |
| } |
| |
| void DocumentTimeline::updateThrottlingState() |
| { |
| scheduleAnimationResolution(); |
| } |
| |
| Seconds DocumentTimeline::animationInterval() const |
| { |
| if (!m_document || !m_document->page()) |
| return Seconds::infinity(); |
| return m_document->page()->isLowPowerModeEnabled() ? throttledAnimationInterval : defaultAnimationInterval; |
| } |
| |
| void DocumentTimeline::suspendAnimations() |
| { |
| if (animationsAreSuspended()) |
| return; |
| |
| if (!m_cachedCurrentTime) |
| m_cachedCurrentTime = Seconds(liveCurrentTime()); |
| |
| for (const auto& animation : m_animations) |
| animation->setSuspended(true); |
| |
| m_isSuspended = true; |
| |
| applyPendingAcceleratedAnimations(); |
| |
| unscheduleAnimationResolution(); |
| } |
| |
| void DocumentTimeline::resumeAnimations() |
| { |
| if (!animationsAreSuspended()) |
| return; |
| |
| m_cachedCurrentTime = WTF::nullopt; |
| |
| m_isSuspended = false; |
| |
| for (const auto& animation : m_animations) |
| animation->setSuspended(false); |
| |
| scheduleAnimationResolution(); |
| } |
| |
| bool DocumentTimeline::animationsAreSuspended() |
| { |
| return m_isSuspended; |
| } |
| |
| unsigned DocumentTimeline::numberOfActiveAnimationsForTesting() const |
| { |
| unsigned count = 0; |
| for (const auto& animation : m_animations) { |
| if (!animation->isSuspended()) |
| ++count; |
| } |
| return count; |
| } |
| |
| DOMHighResTimeStamp DocumentTimeline::liveCurrentTime() const |
| { |
| return m_document->domWindow()->nowTimestamp(); |
| } |
| |
| Optional<Seconds> DocumentTimeline::currentTime() |
| { |
| if (!m_document || !m_document->domWindow()) |
| return AnimationTimeline::currentTime(); |
| |
| auto& mainDocumentTimeline = m_document->timeline(); |
| if (&mainDocumentTimeline != this) { |
| if (auto mainDocumentTimelineCurrentTime = mainDocumentTimeline.currentTime()) |
| return *mainDocumentTimelineCurrentTime - m_originTime; |
| return WTF::nullopt; |
| } |
| |
| if (!m_cachedCurrentTime) |
| cacheCurrentTime(liveCurrentTime()); |
| |
| return m_cachedCurrentTime.value() - m_originTime; |
| } |
| |
| void DocumentTimeline::cacheCurrentTime(DOMHighResTimeStamp newCurrentTime) |
| { |
| m_cachedCurrentTime = Seconds(newCurrentTime); |
| // We want to be sure to keep this time cached until we've both finished running JS and finished updating |
| // animations, so we schedule the invalidation task and register a whenIdle callback on the VM, which will |
| // fire syncronously if no JS is running. |
| m_waitingOnVMIdle = true; |
| if (!m_currentTimeClearingTaskQueue.hasPendingTasks()) |
| m_currentTimeClearingTaskQueue.enqueueTask(std::bind(&DocumentTimeline::maybeClearCachedCurrentTime, this)); |
| m_document->vm().whenIdle([this, protectedThis = makeRefPtr(this)]() { |
| m_waitingOnVMIdle = false; |
| maybeClearCachedCurrentTime(); |
| }); |
| } |
| |
| void DocumentTimeline::maybeClearCachedCurrentTime() |
| { |
| // We want to make sure we only clear the cached current time if we're not currently running |
| // JS or waiting on all current animation updating code to have completed. This is so that |
| // we're guaranteed to have a consistent current time reported for all work happening in a given |
| // JS frame or throughout updating animations in WebCore. |
| if (!m_isSuspended && !m_waitingOnVMIdle && !m_currentTimeClearingTaskQueue.hasPendingTasks()) |
| m_cachedCurrentTime = WTF::nullopt; |
| } |
| |
| void DocumentTimeline::animationTimingDidChange(WebAnimation& animation) |
| { |
| AnimationTimeline::animationTimingDidChange(animation); |
| scheduleAnimationResolution(); |
| } |
| |
| void DocumentTimeline::removeAnimation(WebAnimation& animation) |
| { |
| AnimationTimeline::removeAnimation(animation); |
| |
| if (m_animations.isEmpty()) |
| unscheduleAnimationResolution(); |
| } |
| |
| void DocumentTimeline::scheduleAnimationResolution() |
| { |
| if (m_isSuspended || m_animations.isEmpty() || m_animationResolutionScheduled) |
| return; |
| |
| if (!m_document || !m_document->page()) |
| return; |
| |
| m_document->page()->renderingUpdateScheduler().scheduleTimedRenderingUpdate(); |
| m_animationResolutionScheduled = true; |
| } |
| |
| void DocumentTimeline::unscheduleAnimationResolution() |
| { |
| m_tickScheduleTimer.stop(); |
| m_animationResolutionScheduled = false; |
| } |
| |
| void DocumentTimeline::updateAnimationsAndSendEvents(DOMHighResTimeStamp timestamp) |
| { |
| // We need to freeze the current time even if no animation is running. |
| // document.timeline.currentTime may be called from a rAF callback and |
| // it has to match the rAF timestamp. |
| if (!m_isSuspended) |
| cacheCurrentTime(timestamp); |
| |
| if (m_isSuspended || m_animations.isEmpty() || !m_animationResolutionScheduled) |
| return; |
| |
| internalUpdateAnimationsAndSendEvents(); |
| applyPendingAcceleratedAnimations(); |
| |
| m_animationResolutionScheduled = false; |
| scheduleNextTick(); |
| } |
| |
| void DocumentTimeline::internalUpdateAnimationsAndSendEvents() |
| { |
| m_numberOfAnimationTimelineInvalidationsForTesting++; |
| |
| // https://drafts.csswg.org/web-animations/#update-animations-and-send-events |
| |
| // 1. Update the current time of all timelines associated with doc passing now as the timestamp. |
| |
| Vector<RefPtr<WebAnimation>> animationsToRemove; |
| Vector<RefPtr<CSSTransition>> completedTransitions; |
| |
| for (auto& animation : m_animations) { |
| if (animation->timeline() != this) { |
| ASSERT(!animation->timeline()); |
| animationsToRemove.append(animation); |
| continue; |
| } |
| |
| // This will notify the animation that timing has changed and will call automatically |
| // schedule invalidation if required for this animation. |
| animation->tick(); |
| |
| if (!animation->isRelevant() && !animation->needsTick()) |
| animationsToRemove.append(animation); |
| |
| if (!animation->needsTick() && is<CSSTransition>(animation) && animation->playState() == WebAnimation::PlayState::Finished) { |
| auto* transition = downcast<CSSTransition>(animation.get()); |
| if (transition->owningElement()) |
| completedTransitions.append(transition); |
| } |
| } |
| |
| // 2. Remove replaced animations for doc. |
| removeReplacedAnimations(); |
| |
| // 3. Perform a microtask checkpoint. |
| MicrotaskQueue::mainThreadQueue().performMicrotaskCheckpoint(); |
| |
| // 4. Let events to dispatch be a copy of doc's pending animation event queue. |
| // 5. Clear doc's pending animation event queue. |
| auto pendingAnimationEvents = WTFMove(m_pendingAnimationEvents); |
| |
| // 6. Perform a stable sort of the animation events in events to dispatch as follows. |
| std::stable_sort(pendingAnimationEvents.begin(), pendingAnimationEvents.end(), [] (const Ref<AnimationPlaybackEvent>& lhs, const Ref<AnimationPlaybackEvent>& rhs) { |
| // 1. Sort the events by their scheduled event time such that events that were scheduled to occur earlier, sort before events scheduled to occur later |
| // and events whose scheduled event time is unresolved sort before events with a resolved scheduled event time. |
| // 2. Within events with equal scheduled event times, sort by their composite order. FIXME: We don't do this. |
| if (lhs->timelineTime() && !rhs->timelineTime()) |
| return false; |
| if (!lhs->timelineTime() && rhs->timelineTime()) |
| return true; |
| if (!lhs->timelineTime() && !rhs->timelineTime()) |
| return true; |
| return lhs->timelineTime().value() < rhs->timelineTime().value(); |
| }); |
| |
| // 7. Dispatch each of the events in events to dispatch at their corresponding target using the order established in the previous step. |
| for (auto& pendingEvent : pendingAnimationEvents) |
| pendingEvent->target()->dispatchEvent(pendingEvent); |
| |
| // This will cancel any scheduled invalidation if we end up removing all animations. |
| for (auto& animation : animationsToRemove) { |
| // An animation that was initially marked as irrelevant may have changed while we were sending events, so we run the same |
| // check that we ran to add it to animationsToRemove in the first place. |
| if (!animation->isRelevant() && !animation->needsTick()) |
| removeAnimation(*animation); |
| } |
| |
| // Now that animations that needed removal have been removed, let's update the list of completed transitions. |
| // This needs to happen after dealing with the list of animations to remove as the animation may have been |
| // removed from the list of completed transitions otherwise. |
| for (auto& completedTransition : completedTransitions) |
| transitionDidComplete(completedTransition); |
| } |
| |
| bool DocumentTimeline::animationCanBeRemoved(WebAnimation& animation) |
| { |
| // https://drafts.csswg.org/web-animations/#removing-replaced-animations |
| |
| ASSERT(m_document); |
| |
| // - is replaceable, and |
| if (!animation.isReplaceable()) |
| return false; |
| |
| // - has a replace state of active, and |
| if (animation.replaceState() != WebAnimation::ReplaceState::Active) |
| return false; |
| |
| // - has an associated animation effect whose target element is a descendant of doc, and |
| auto* effect = animation.effect(); |
| if (!is<KeyframeEffect>(effect)) |
| return false; |
| |
| auto* keyframeEffect = downcast<KeyframeEffect>(effect); |
| auto* target = keyframeEffect->target(); |
| if (!target || !target->isDescendantOf(*m_document)) |
| return false; |
| |
| HashSet<CSSPropertyID> propertiesToMatch = keyframeEffect->animatedProperties(); |
| auto animations = animationsForElement(*target, AnimationTimeline::Ordering::Sorted); |
| for (auto& animationWithHigherCompositeOrder : WTF::makeReversedRange(animations)) { |
| if (&animation == animationWithHigherCompositeOrder) |
| break; |
| |
| if (animationWithHigherCompositeOrder && animationWithHigherCompositeOrder->isReplaceable()) { |
| auto* effectWithHigherCompositeOrder = animationWithHigherCompositeOrder->effect(); |
| if (is<KeyframeEffect>(effectWithHigherCompositeOrder)) { |
| auto* keyframeEffectWithHigherCompositeOrder = downcast<KeyframeEffect>(effectWithHigherCompositeOrder); |
| for (auto cssPropertyId : keyframeEffectWithHigherCompositeOrder->animatedProperties()) { |
| if (propertiesToMatch.remove(cssPropertyId) && propertiesToMatch.isEmpty()) |
| break; |
| } |
| } |
| } |
| } |
| |
| return propertiesToMatch.isEmpty(); |
| } |
| |
| void DocumentTimeline::removeReplacedAnimations() |
| { |
| // https://drafts.csswg.org/web-animations/#removing-replaced-animations |
| |
| Vector<RefPtr<WebAnimation>> animationsToRemove; |
| |
| // When asked to remove replaced animations for a Document, doc, then for every animation, animation |
| for (auto& animation : m_allAnimations) { |
| if (animation && animationCanBeRemoved(*animation)) { |
| // perform the following steps: |
| // 1. Set animation's replace state to removed. |
| animation->setReplaceState(WebAnimation::ReplaceState::Removed); |
| // 2. Create an AnimationPlaybackEvent, removeEvent. |
| // 3. Set removeEvent's type attribute to remove. |
| // 4. Set removeEvent's currentTime attribute to the current time of animation. |
| // 5. Set removeEvent's timelineTime attribute to the current time of the timeline with which animation is associated. |
| // 6. If animation has a document for timing, then append removeEvent to its document for timing's pending animation |
| // event queue along with its target, animation. For the scheduled event time, use the result of applying the procedure |
| // to convert timeline time to origin-relative time to the current time of the timeline with which animation is associated. |
| // Otherwise, queue a task to dispatch removeEvent at animation. The task source for this task is the DOM manipulation task source. |
| animation->enqueueAnimationPlaybackEvent(eventNames().removeEvent, animation->currentTime(), currentTime()); |
| |
| animationsToRemove.append(animation.get()); |
| } |
| } |
| |
| for (auto& animation : animationsToRemove) { |
| if (auto* timeline = animation->timeline()) |
| timeline->removeAnimation(*animation); |
| } |
| } |
| |
| void DocumentTimeline::transitionDidComplete(RefPtr<CSSTransition> transition) |
| { |
| ASSERT(transition); |
| removeAnimation(*transition); |
| if (is<KeyframeEffect>(transition->effect())) { |
| if (auto* target = downcast<KeyframeEffect>(transition->effect())->target()) { |
| m_elementToCompletedCSSTransitionByCSSPropertyID.ensure(target, [] { |
| return HashMap<CSSPropertyID, RefPtr<CSSTransition>> { }; |
| }).iterator->value.set(transition->property(), transition); |
| } |
| } |
| } |
| |
| void DocumentTimeline::scheduleNextTick() |
| { |
| // There is no tick to schedule if we don't have any relevant animations. |
| if (m_animations.isEmpty()) |
| return; |
| |
| for (const auto& animation : m_animations) { |
| if (!animation->isRunningAccelerated()) { |
| scheduleAnimationResolution(); |
| return; |
| } |
| } |
| |
| Seconds scheduleDelay = Seconds::infinity(); |
| |
| for (const auto& animation : m_animations) { |
| auto animationTimeToNextRequiredTick = animation->timeToNextTick(); |
| if (animationTimeToNextRequiredTick < animationInterval()) { |
| scheduleAnimationResolution(); |
| return; |
| } |
| scheduleDelay = std::min(scheduleDelay, animationTimeToNextRequiredTick); |
| } |
| |
| if (scheduleDelay < Seconds::infinity()) |
| m_tickScheduleTimer.startOneShot(scheduleDelay); |
| } |
| |
| bool DocumentTimeline::computeExtentOfAnimation(RenderElement& renderer, LayoutRect& bounds) const |
| { |
| if (!renderer.element()) |
| return true; |
| |
| KeyframeEffect* matchingEffect = nullptr; |
| for (const auto& animation : animationsForElement(*renderer.element())) { |
| auto* effect = animation->effect(); |
| if (is<KeyframeEffect>(effect)) { |
| auto* keyframeEffect = downcast<KeyframeEffect>(effect); |
| if (keyframeEffect->animatedProperties().contains(CSSPropertyTransform)) |
| matchingEffect = downcast<KeyframeEffect>(effect); |
| } |
| } |
| |
| if (matchingEffect) |
| return matchingEffect->computeExtentOfTransformAnimation(bounds); |
| |
| return true; |
| } |
| |
| bool DocumentTimeline::isRunningAnimationOnRenderer(RenderElement& renderer, CSSPropertyID property) const |
| { |
| if (!renderer.element()) |
| return false; |
| |
| for (const auto& animation : animationsForElement(*renderer.element())) { |
| auto playState = animation->playState(); |
| if (playState != WebAnimation::PlayState::Running && playState != WebAnimation::PlayState::Paused) |
| continue; |
| auto* effect = animation->effect(); |
| if (is<KeyframeEffect>(effect) && downcast<KeyframeEffect>(effect)->animatedProperties().contains(property)) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| bool DocumentTimeline::isRunningAcceleratedAnimationOnRenderer(RenderElement& renderer, CSSPropertyID property) const |
| { |
| if (!renderer.element()) |
| return false; |
| |
| for (const auto& animation : animationsForElement(*renderer.element())) { |
| auto playState = animation->playState(); |
| if (playState != WebAnimation::PlayState::Running && playState != WebAnimation::PlayState::Paused) |
| continue; |
| auto* effect = animation->effect(); |
| if (is<KeyframeEffect>(effect)) { |
| auto* keyframeEffect = downcast<KeyframeEffect>(effect); |
| if (keyframeEffect->isRunningAccelerated() && keyframeEffect->animatedProperties().contains(property)) |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| std::unique_ptr<RenderStyle> DocumentTimeline::animatedStyleForRenderer(RenderElement& renderer) |
| { |
| std::unique_ptr<RenderStyle> result; |
| |
| if (auto* element = renderer.element()) { |
| for (const auto& animation : animationsForElement(*element)) { |
| if (is<KeyframeEffect>(animation->effect())) |
| downcast<KeyframeEffect>(animation->effect())->getAnimatedStyle(result); |
| } |
| } |
| |
| if (!result) |
| result = RenderStyle::clonePtr(renderer.style()); |
| |
| return result; |
| } |
| |
| void DocumentTimeline::animationWasAddedToElement(WebAnimation& animation, Element& element) |
| { |
| AnimationTimeline::animationWasAddedToElement(animation, element); |
| updateListOfElementsWithRunningAcceleratedAnimationsForElement(element); |
| } |
| |
| void DocumentTimeline::animationWasRemovedFromElement(WebAnimation& animation, Element& element) |
| { |
| AnimationTimeline::animationWasRemovedFromElement(animation, element); |
| updateListOfElementsWithRunningAcceleratedAnimationsForElement(element); |
| } |
| |
| void DocumentTimeline::animationAcceleratedRunningStateDidChange(WebAnimation& animation) |
| { |
| m_acceleratedAnimationsPendingRunningStateChange.add(&animation); |
| |
| if (is<KeyframeEffect>(animation.effect())) { |
| if (auto* target = downcast<KeyframeEffect>(animation.effect())->target()) |
| updateListOfElementsWithRunningAcceleratedAnimationsForElement(*target); |
| } |
| } |
| |
| void DocumentTimeline::updateListOfElementsWithRunningAcceleratedAnimationsForElement(Element& element) |
| { |
| auto animations = animationsForElement(element); |
| |
| if (animations.isEmpty()) { |
| m_elementsWithRunningAcceleratedAnimations.remove(&element); |
| return; |
| } |
| |
| for (const auto& animation : animations) { |
| if (!animation->isRunningAccelerated()) { |
| m_elementsWithRunningAcceleratedAnimations.remove(&element); |
| return; |
| } |
| } |
| |
| m_elementsWithRunningAcceleratedAnimations.add(&element); |
| } |
| |
| void DocumentTimeline::applyPendingAcceleratedAnimations() |
| { |
| auto acceleratedAnimationsPendingRunningStateChange = m_acceleratedAnimationsPendingRunningStateChange; |
| m_acceleratedAnimationsPendingRunningStateChange.clear(); |
| |
| bool hasForcedLayout = false; |
| for (auto& animation : acceleratedAnimationsPendingRunningStateChange) { |
| if (!hasForcedLayout) { |
| auto* effect = animation->effect(); |
| if (is<KeyframeEffect>(effect)) |
| hasForcedLayout |= downcast<KeyframeEffect>(effect)->forceLayoutIfNeeded(); |
| } |
| animation->applyPendingAcceleratedActions(); |
| } |
| } |
| |
| bool DocumentTimeline::resolveAnimationsForElement(Element& element, RenderStyle& targetStyle) |
| { |
| bool hasNonAcceleratedAnimationProperty = false; |
| |
| for (const auto& animation : animationsForElement(element)) { |
| animation->resolve(targetStyle); |
| |
| if (hasNonAcceleratedAnimationProperty) |
| continue; |
| |
| auto* effect = animation->effect(); |
| if (!effect || !is<KeyframeEffect>(effect)) |
| continue; |
| |
| auto* keyframeEffect = downcast<KeyframeEffect>(effect); |
| for (auto cssPropertyId : keyframeEffect->animatedProperties()) { |
| if (!CSSPropertyAnimation::animationOfPropertyIsAccelerated(cssPropertyId)) { |
| hasNonAcceleratedAnimationProperty = true; |
| break; |
| } |
| } |
| } |
| |
| return !hasNonAcceleratedAnimationProperty; |
| } |
| |
| bool DocumentTimeline::runningAnimationsForElementAreAllAccelerated(Element& element) const |
| { |
| return m_elementsWithRunningAcceleratedAnimations.contains(&element); |
| } |
| |
| void DocumentTimeline::enqueueAnimationPlaybackEvent(AnimationPlaybackEvent& event) |
| { |
| m_pendingAnimationEvents.append(event); |
| } |
| |
| Vector<std::pair<String, double>> DocumentTimeline::acceleratedAnimationsForElement(Element& element) const |
| { |
| auto* renderer = element.renderer(); |
| if (renderer && renderer->isComposited()) { |
| auto* compositedRenderer = downcast<RenderBoxModelObject>(renderer); |
| if (auto* graphicsLayer = compositedRenderer->layer()->backing()->graphicsLayer()) |
| return graphicsLayer->acceleratedAnimationsForTesting(); |
| } |
| return { }; |
| } |
| |
| unsigned DocumentTimeline::numberOfAnimationTimelineInvalidationsForTesting() const |
| { |
| return m_numberOfAnimationTimelineInvalidationsForTesting; |
| } |
| |
| } // namespace WebCore |
