mirror of
https://github.com/mozilla/gecko-dev.git
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fc371e8226
MozReview-Commit-ID: AD34RTVZcxy
1499 lines
48 KiB
C++
1499 lines
48 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/KeyframeEffect.h"
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#include "mozilla/dom/AnimatableBinding.h"
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#include "mozilla/dom/KeyframeEffectBinding.h"
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#include "mozilla/AnimationUtils.h"
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#include "mozilla/FloatingPoint.h"
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#include "mozilla/LookAndFeel.h" // For LookAndFeel::GetInt
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#include "mozilla/KeyframeUtils.h"
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#include "mozilla/StyleAnimationValue.h"
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#include "Layers.h" // For Layer
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#include "nsComputedDOMStyle.h" // nsComputedDOMStyle::GetStyleContextForElement
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#include "nsCSSPropertySet.h"
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#include "nsCSSProps.h" // For nsCSSProps::PropHasFlags
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#include "nsCSSPseudoElements.h" // For CSSPseudoElementType
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#include "nsDOMMutationObserver.h" // For nsAutoAnimationMutationBatch
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#include "nsIPresShell.h" // For nsIPresShell
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namespace mozilla {
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// Helper functions for generating a ComputedTimingProperties dictionary
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static void
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GetComputedTimingDictionary(const ComputedTiming& aComputedTiming,
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const Nullable<TimeDuration>& aLocalTime,
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const TimingParams& aTiming,
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dom::ComputedTimingProperties& aRetVal)
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{
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// AnimationEffectTimingProperties
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aRetVal.mDelay = aTiming.mDelay.ToMilliseconds();
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aRetVal.mEndDelay = aTiming.mEndDelay.ToMilliseconds();
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aRetVal.mFill = aComputedTiming.mFill;
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aRetVal.mIterations = aComputedTiming.mIterations;
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aRetVal.mIterationStart = aComputedTiming.mIterationStart;
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aRetVal.mDuration.SetAsUnrestrictedDouble() =
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aComputedTiming.mDuration.ToMilliseconds();
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aRetVal.mDirection = aTiming.mDirection;
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// ComputedTimingProperties
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aRetVal.mActiveDuration = aComputedTiming.mActiveDuration.ToMilliseconds();
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aRetVal.mEndTime = aComputedTiming.mEndTime.ToMilliseconds();
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aRetVal.mLocalTime = AnimationUtils::TimeDurationToDouble(aLocalTime);
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aRetVal.mProgress = aComputedTiming.mProgress;
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if (!aRetVal.mProgress.IsNull()) {
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// Convert the returned currentIteration into Infinity if we set
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// (uint64_t) aComputedTiming.mCurrentIteration to UINT64_MAX
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double iteration = aComputedTiming.mCurrentIteration == UINT64_MAX
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? PositiveInfinity<double>()
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: static_cast<double>(aComputedTiming.mCurrentIteration);
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aRetVal.mCurrentIteration.SetValue(iteration);
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}
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}
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_INHERITED(KeyframeEffectReadOnly,
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AnimationEffectReadOnly,
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mTarget,
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mAnimation,
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mTiming)
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NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(KeyframeEffectReadOnly,
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AnimationEffectReadOnly)
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NS_IMPL_CYCLE_COLLECTION_TRACE_END
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(KeyframeEffectReadOnly)
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NS_INTERFACE_MAP_END_INHERITING(AnimationEffectReadOnly)
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NS_IMPL_ADDREF_INHERITED(KeyframeEffectReadOnly, AnimationEffectReadOnly)
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NS_IMPL_RELEASE_INHERITED(KeyframeEffectReadOnly, AnimationEffectReadOnly)
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KeyframeEffectReadOnly::KeyframeEffectReadOnly(
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nsIDocument* aDocument,
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const Maybe<OwningAnimationTarget>& aTarget,
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const TimingParams& aTiming)
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: KeyframeEffectReadOnly(aDocument, aTarget,
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new AnimationEffectTimingReadOnly(aDocument,
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aTiming))
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{
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}
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KeyframeEffectReadOnly::KeyframeEffectReadOnly(
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nsIDocument* aDocument,
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const Maybe<OwningAnimationTarget>& aTarget,
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AnimationEffectTimingReadOnly* aTiming)
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: AnimationEffectReadOnly(aDocument)
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, mTarget(aTarget)
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, mTiming(aTiming)
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, mInEffectOnLastAnimationTimingUpdate(false)
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, mCumulativeChangeHint(nsChangeHint(0))
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{
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MOZ_ASSERT(aTiming);
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}
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JSObject*
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KeyframeEffectReadOnly::WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto)
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{
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return KeyframeEffectReadOnlyBinding::Wrap(aCx, this, aGivenProto);
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}
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IterationCompositeOperation
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KeyframeEffectReadOnly::IterationComposite() const
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{
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return IterationCompositeOperation::Replace;
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}
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CompositeOperation
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KeyframeEffectReadOnly::Composite() const
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{
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return CompositeOperation::Replace;
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}
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already_AddRefed<AnimationEffectTimingReadOnly>
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KeyframeEffectReadOnly::Timing() const
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{
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RefPtr<AnimationEffectTimingReadOnly> temp(mTiming);
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return temp.forget();
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}
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void
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KeyframeEffectReadOnly::SetSpecifiedTiming(const TimingParams& aTiming)
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{
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if (mTiming->AsTimingParams() == aTiming) {
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return;
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}
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mTiming->SetTimingParams(aTiming);
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if (mAnimation) {
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mAnimation->NotifyEffectTimingUpdated();
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}
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// NotifyEffectTimingUpdated will eventually cause
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// NotifyAnimationTimingUpdated to be called on this object which will
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// update our registration with the target element.
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}
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void
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KeyframeEffectReadOnly::NotifyAnimationTimingUpdated()
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{
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UpdateTargetRegistration();
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// If the effect is not relevant it will be removed from the target
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// element's effect set. However, effects not in the effect set
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// will not be included in the set of candidate effects for running on
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// the compositor and hence they won't have their compositor status
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// updated. As a result, we need to make sure we clear their compositor
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// status here.
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bool isRelevant = mAnimation && mAnimation->IsRelevant();
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if (!isRelevant) {
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ResetIsRunningOnCompositor();
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}
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// Detect changes to "in effect" status since we need to recalculate the
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// animation cascade for this element whenever that changes.
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bool inEffect = IsInEffect();
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if (inEffect != mInEffectOnLastAnimationTimingUpdate) {
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if (mTarget) {
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EffectSet* effectSet = EffectSet::GetEffectSet(mTarget->mElement,
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mTarget->mPseudoType);
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if (effectSet) {
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effectSet->MarkCascadeNeedsUpdate();
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}
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}
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mInEffectOnLastAnimationTimingUpdate = inEffect;
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}
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// Request restyle if necessary.
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//
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// Bug 1216843: When we implement iteration composite modes, we need to
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// also detect if the current iteration has changed.
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if (mAnimation &&
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!mProperties.IsEmpty() &&
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GetComputedTiming().mProgress != mProgressOnLastCompose) {
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EffectCompositor::RestyleType restyleType =
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CanThrottle() ?
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EffectCompositor::RestyleType::Throttled :
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EffectCompositor::RestyleType::Standard;
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RequestRestyle(restyleType);
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}
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// If we're no longer "in effect", our ComposeStyle method will never be
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// called and we will never have a chance to update mProgressOnLastCompose.
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// We clear mProgressOnLastCompose here to ensure that if we later become
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// "in effect" we will request a restyle (above).
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if (!inEffect) {
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mProgressOnLastCompose.SetNull();
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}
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}
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Nullable<TimeDuration>
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KeyframeEffectReadOnly::GetLocalTime() const
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{
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// Since the *animation* start time is currently always zero, the local
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// time is equal to the parent time.
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Nullable<TimeDuration> result;
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if (mAnimation) {
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result = mAnimation->GetCurrentTime();
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}
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return result;
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}
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void
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KeyframeEffectReadOnly::GetComputedTimingAsDict(
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ComputedTimingProperties& aRetVal) const
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{
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const Nullable<TimeDuration> currentTime = GetLocalTime();
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GetComputedTimingDictionary(GetComputedTimingAt(currentTime,
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SpecifiedTiming()),
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currentTime,
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SpecifiedTiming(),
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aRetVal);
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}
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ComputedTiming
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KeyframeEffectReadOnly::GetComputedTimingAt(
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const Nullable<TimeDuration>& aLocalTime,
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const TimingParams& aTiming)
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{
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const StickyTimeDuration zeroDuration;
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// Always return the same object to benefit from return-value optimization.
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ComputedTiming result;
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if (aTiming.mDuration) {
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MOZ_ASSERT(aTiming.mDuration.ref() >= zeroDuration,
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"Iteration duration should be positive");
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result.mDuration = aTiming.mDuration.ref();
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}
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MOZ_ASSERT(aTiming.mIterations >= 0.0 && !IsNaN(aTiming.mIterations),
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"mIterations should be nonnegative & finite, as ensured by "
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"ValidateIterations or CSSParser");
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result.mIterations = aTiming.mIterations;
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MOZ_ASSERT(aTiming.mIterationStart >= 0.0,
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"mIterationStart should be nonnegative, as ensured by "
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"ValidateIterationStart");
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result.mIterationStart = aTiming.mIterationStart;
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result.mActiveDuration = aTiming.ActiveDuration();
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result.mEndTime = aTiming.EndTime();
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result.mFill = aTiming.mFill == dom::FillMode::Auto ?
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dom::FillMode::None :
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aTiming.mFill;
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// The default constructor for ComputedTiming sets all other members to
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// values consistent with an animation that has not been sampled.
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if (aLocalTime.IsNull()) {
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return result;
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}
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const TimeDuration& localTime = aLocalTime.Value();
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// Calculate the time within the active interval.
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// https://w3c.github.io/web-animations/#active-time
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StickyTimeDuration activeTime;
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if (localTime >=
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std::min(StickyTimeDuration(aTiming.mDelay + result.mActiveDuration),
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result.mEndTime)) {
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result.mPhase = ComputedTiming::AnimationPhase::After;
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if (!result.FillsForwards()) {
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// The animation isn't active or filling at this time.
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return result;
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}
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activeTime = result.mActiveDuration;
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} else if (localTime <
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std::min(StickyTimeDuration(aTiming.mDelay), result.mEndTime)) {
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result.mPhase = ComputedTiming::AnimationPhase::Before;
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if (!result.FillsBackwards()) {
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// The animation isn't active or filling at this time.
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return result;
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}
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// activeTime is zero
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} else {
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MOZ_ASSERT(result.mActiveDuration != zeroDuration,
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"How can we be in the middle of a zero-duration interval?");
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result.mPhase = ComputedTiming::AnimationPhase::Active;
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activeTime = localTime - aTiming.mDelay;
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}
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// Convert active time to a multiple of iterations.
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// https://w3c.github.io/web-animations/#overall-progress
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double overallProgress;
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if (result.mDuration == zeroDuration) {
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overallProgress = result.mPhase == ComputedTiming::AnimationPhase::Before
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? 0.0
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: result.mIterations;
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} else {
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overallProgress = activeTime / result.mDuration;
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}
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// Factor in iteration start offset.
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if (IsFinite(overallProgress)) {
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overallProgress += result.mIterationStart;
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}
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// Determine the 0-based index of the current iteration.
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// https://w3c.github.io/web-animations/#current-iteration
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result.mCurrentIteration =
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IsInfinite(result.mIterations) &&
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result.mPhase == ComputedTiming::AnimationPhase::After
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? UINT64_MAX // In GetComputedTimingDictionary(),
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// we will convert this into Infinity
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: static_cast<uint64_t>(overallProgress);
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// Convert the overall progress to a fraction of a single iteration--the
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// simply iteration progress.
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// https://w3c.github.io/web-animations/#simple-iteration-progress
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double progress = IsFinite(overallProgress)
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? fmod(overallProgress, 1.0)
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: fmod(result.mIterationStart, 1.0);
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// When we finish exactly at the end of an iteration we need to report
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// the end of the final iteration and not the start of the next iteration.
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if (result.mPhase == ComputedTiming::AnimationPhase::After &&
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progress == 0.0 &&
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result.mIterations != 0.0) {
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progress = 1.0;
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if (result.mCurrentIteration != UINT64_MAX) {
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result.mCurrentIteration--;
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}
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}
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// Factor in the direction.
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bool thisIterationReverse = false;
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switch (aTiming.mDirection) {
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case PlaybackDirection::Normal:
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thisIterationReverse = false;
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break;
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case PlaybackDirection::Reverse:
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thisIterationReverse = true;
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break;
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case PlaybackDirection::Alternate:
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thisIterationReverse = (result.mCurrentIteration & 1) == 1;
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break;
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case PlaybackDirection::Alternate_reverse:
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thisIterationReverse = (result.mCurrentIteration & 1) == 0;
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break;
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default:
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MOZ_ASSERT(true, "Unknown PlaybackDirection type");
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}
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if (thisIterationReverse) {
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progress = 1.0 - progress;
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}
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// Calculate the 'before flag' which we use when applying step timing
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// functions.
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if ((result.mPhase == ComputedTiming::AnimationPhase::After &&
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thisIterationReverse) ||
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(result.mPhase == ComputedTiming::AnimationPhase::Before &&
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!thisIterationReverse)) {
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result.mBeforeFlag = ComputedTimingFunction::BeforeFlag::Set;
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}
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// Apply the easing.
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if (aTiming.mFunction) {
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progress = aTiming.mFunction->GetValue(progress, result.mBeforeFlag);
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}
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MOZ_ASSERT(IsFinite(progress), "Progress value should be finite");
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result.mProgress.SetValue(progress);
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return result;
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}
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// https://w3c.github.io/web-animations/#in-play
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bool
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KeyframeEffectReadOnly::IsInPlay() const
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{
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if (!mAnimation || mAnimation->PlayState() == AnimationPlayState::Finished) {
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return false;
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}
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return GetComputedTiming().mPhase == ComputedTiming::AnimationPhase::Active;
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}
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// https://w3c.github.io/web-animations/#current
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bool
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KeyframeEffectReadOnly::IsCurrent() const
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{
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if (!mAnimation || mAnimation->PlayState() == AnimationPlayState::Finished) {
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return false;
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}
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ComputedTiming computedTiming = GetComputedTiming();
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return computedTiming.mPhase == ComputedTiming::AnimationPhase::Before ||
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computedTiming.mPhase == ComputedTiming::AnimationPhase::Active;
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}
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// https://w3c.github.io/web-animations/#in-effect
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bool
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KeyframeEffectReadOnly::IsInEffect() const
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{
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ComputedTiming computedTiming = GetComputedTiming();
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return !computedTiming.mProgress.IsNull();
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}
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void
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KeyframeEffectReadOnly::SetAnimation(Animation* aAnimation)
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{
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mAnimation = aAnimation;
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NotifyAnimationTimingUpdated();
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}
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static bool
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KeyframesEqualIgnoringComputedOffsets(const nsTArray<Keyframe>& aLhs,
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const nsTArray<Keyframe>& aRhs)
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{
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if (aLhs.Length() != aRhs.Length()) {
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return false;
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}
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for (size_t i = 0, len = aLhs.Length(); i < len; ++i) {
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const Keyframe& a = aLhs[i];
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const Keyframe& b = aRhs[i];
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if (a.mOffset != b.mOffset ||
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a.mTimingFunction != b.mTimingFunction ||
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a.mPropertyValues != b.mPropertyValues) {
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return false;
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}
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}
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return true;
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}
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// https://w3c.github.io/web-animations/#dom-keyframeeffect-setkeyframes
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void
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KeyframeEffectReadOnly::SetKeyframes(JSContext* aContext,
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JS::Handle<JSObject*> aKeyframes,
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ErrorResult& aRv)
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{
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nsIDocument* doc = AnimationUtils::GetCurrentRealmDocument(aContext);
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if (!doc) {
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aRv.Throw(NS_ERROR_FAILURE);
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return;
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}
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nsTArray<Keyframe> keyframes =
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KeyframeUtils::GetKeyframesFromObject(aContext, aKeyframes, aRv);
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if (aRv.Failed()) {
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return;
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}
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RefPtr<nsStyleContext> styleContext;
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nsIPresShell* shell = doc->GetShell();
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if (shell && mTarget) {
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nsIAtom* pseudo =
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mTarget->mPseudoType < CSSPseudoElementType::Count ?
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nsCSSPseudoElements::GetPseudoAtom(mTarget->mPseudoType) : nullptr;
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styleContext =
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nsComputedDOMStyle::GetStyleContextForElement(mTarget->mElement,
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pseudo, shell);
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}
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SetKeyframes(Move(keyframes), styleContext);
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}
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void
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KeyframeEffectReadOnly::SetKeyframes(nsTArray<Keyframe>&& aKeyframes,
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nsStyleContext* aStyleContext)
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{
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if (KeyframesEqualIgnoringComputedOffsets(aKeyframes, mKeyframes)) {
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return;
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}
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mKeyframes = Move(aKeyframes);
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KeyframeUtils::ApplyDistributeSpacing(mKeyframes);
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if (mAnimation && mAnimation->IsRelevant()) {
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nsNodeUtils::AnimationChanged(mAnimation);
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}
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if (aStyleContext) {
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UpdateProperties(aStyleContext);
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}
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}
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const AnimationProperty*
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KeyframeEffectReadOnly::GetAnimationOfProperty(nsCSSProperty aProperty) const
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{
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for (size_t propIdx = 0, propEnd = mProperties.Length();
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propIdx != propEnd; ++propIdx) {
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if (aProperty == mProperties[propIdx].mProperty) {
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const AnimationProperty* result = &mProperties[propIdx];
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if (!result->mWinsInCascade) {
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result = nullptr;
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}
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return result;
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}
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}
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return nullptr;
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}
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bool
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KeyframeEffectReadOnly::HasAnimationOfProperties(
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const nsCSSProperty* aProperties,
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size_t aPropertyCount) const
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{
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for (size_t i = 0; i < aPropertyCount; i++) {
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if (HasAnimationOfProperty(aProperties[i])) {
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return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::UpdateProperties(nsStyleContext* aStyleContext)
|
|
{
|
|
MOZ_ASSERT(aStyleContext);
|
|
|
|
nsTArray<AnimationProperty> properties;
|
|
if (mTarget) {
|
|
properties =
|
|
KeyframeUtils::GetAnimationPropertiesFromKeyframes(aStyleContext,
|
|
mTarget->mElement,
|
|
mTarget->mPseudoType,
|
|
mKeyframes);
|
|
}
|
|
|
|
if (mProperties == properties) {
|
|
return;
|
|
}
|
|
|
|
// Preserve the state of mWinsInCascade and mIsRunningOnCompositor flags.
|
|
nsCSSPropertySet winningInCascadeProperties;
|
|
nsCSSPropertySet runningOnCompositorProperties;
|
|
|
|
for (const AnimationProperty& property : mProperties) {
|
|
if (property.mWinsInCascade) {
|
|
winningInCascadeProperties.AddProperty(property.mProperty);
|
|
}
|
|
if (property.mIsRunningOnCompositor) {
|
|
runningOnCompositorProperties.AddProperty(property.mProperty);
|
|
}
|
|
}
|
|
|
|
mProperties = Move(properties);
|
|
|
|
for (AnimationProperty& property : mProperties) {
|
|
property.mWinsInCascade =
|
|
winningInCascadeProperties.HasProperty(property.mProperty);
|
|
property.mIsRunningOnCompositor =
|
|
runningOnCompositorProperties.HasProperty(property.mProperty);
|
|
}
|
|
|
|
CalculateCumulativeChangeHint();
|
|
|
|
if (mTarget) {
|
|
EffectSet* effectSet = EffectSet::GetEffectSet(mTarget->mElement,
|
|
mTarget->mPseudoType);
|
|
if (effectSet) {
|
|
effectSet->MarkCascadeNeedsUpdate();
|
|
}
|
|
|
|
RequestRestyle(EffectCompositor::RestyleType::Layer);
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::ComposeStyle(RefPtr<AnimValuesStyleRule>& aStyleRule,
|
|
nsCSSPropertySet& aSetProperties)
|
|
{
|
|
ComputedTiming computedTiming = GetComputedTiming();
|
|
mProgressOnLastCompose = computedTiming.mProgress;
|
|
|
|
// If the progress is null, we don't have fill data for the current
|
|
// time so we shouldn't animate.
|
|
if (computedTiming.mProgress.IsNull()) {
|
|
return;
|
|
}
|
|
|
|
for (size_t propIdx = 0, propEnd = mProperties.Length();
|
|
propIdx != propEnd; ++propIdx)
|
|
{
|
|
const AnimationProperty& prop = mProperties[propIdx];
|
|
|
|
MOZ_ASSERT(prop.mSegments[0].mFromKey == 0.0, "incorrect first from key");
|
|
MOZ_ASSERT(prop.mSegments[prop.mSegments.Length() - 1].mToKey == 1.0,
|
|
"incorrect last to key");
|
|
|
|
if (aSetProperties.HasProperty(prop.mProperty)) {
|
|
// Animations are composed by EffectCompositor by iterating
|
|
// from the last animation to first. For animations targetting the
|
|
// same property, the later one wins. So if this property is already set,
|
|
// we should not override it.
|
|
continue;
|
|
}
|
|
|
|
if (!prop.mWinsInCascade) {
|
|
// This isn't the winning declaration, so don't add it to style.
|
|
// For transitions, this is important, because it's how we
|
|
// implement the rule that CSS transitions don't run when a CSS
|
|
// animation is running on the same property and element. For
|
|
// animations, this is only skipping things that will otherwise be
|
|
// overridden.
|
|
continue;
|
|
}
|
|
|
|
aSetProperties.AddProperty(prop.mProperty);
|
|
|
|
MOZ_ASSERT(prop.mSegments.Length() > 0,
|
|
"property should not be in animations if it has no segments");
|
|
|
|
// FIXME: Maybe cache the current segment?
|
|
const AnimationPropertySegment *segment = prop.mSegments.Elements(),
|
|
*segmentEnd = segment + prop.mSegments.Length();
|
|
while (segment->mToKey <= computedTiming.mProgress.Value()) {
|
|
MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
|
|
if ((segment+1) == segmentEnd) {
|
|
break;
|
|
}
|
|
++segment;
|
|
MOZ_ASSERT(segment->mFromKey == (segment-1)->mToKey, "incorrect keys");
|
|
}
|
|
MOZ_ASSERT(segment->mFromKey <= segment->mToKey, "incorrect keys");
|
|
MOZ_ASSERT(segment >= prop.mSegments.Elements() &&
|
|
size_t(segment - prop.mSegments.Elements()) <
|
|
prop.mSegments.Length(),
|
|
"out of array bounds");
|
|
|
|
if (!aStyleRule) {
|
|
// Allocate the style rule now that we know we have animation data.
|
|
aStyleRule = new AnimValuesStyleRule();
|
|
}
|
|
|
|
// Special handling for zero-length segments
|
|
if (segment->mToKey == segment->mFromKey) {
|
|
if (computedTiming.mProgress.Value() < 0) {
|
|
aStyleRule->AddValue(prop.mProperty, segment->mFromValue);
|
|
} else {
|
|
aStyleRule->AddValue(prop.mProperty, segment->mToValue);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
double positionInSegment =
|
|
(computedTiming.mProgress.Value() - segment->mFromKey) /
|
|
(segment->mToKey - segment->mFromKey);
|
|
double valuePosition =
|
|
ComputedTimingFunction::GetPortion(segment->mTimingFunction,
|
|
positionInSegment,
|
|
computedTiming.mBeforeFlag);
|
|
|
|
StyleAnimationValue val;
|
|
if (StyleAnimationValue::Interpolate(prop.mProperty,
|
|
segment->mFromValue,
|
|
segment->mToValue,
|
|
valuePosition, val)) {
|
|
aStyleRule->AddValue(prop.mProperty, Move(val));
|
|
} else if (valuePosition < 0.5) {
|
|
aStyleRule->AddValue(prop.mProperty, segment->mFromValue);
|
|
} else {
|
|
aStyleRule->AddValue(prop.mProperty, segment->mToValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
KeyframeEffectReadOnly::IsRunningOnCompositor() const
|
|
{
|
|
// We consider animation is running on compositor if there is at least
|
|
// one property running on compositor.
|
|
// Animation.IsRunningOnCompotitor will return more fine grained
|
|
// information in bug 1196114.
|
|
for (const AnimationProperty& property : mProperties) {
|
|
if (property.mIsRunningOnCompositor) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::SetIsRunningOnCompositor(nsCSSProperty aProperty,
|
|
bool aIsRunning)
|
|
{
|
|
MOZ_ASSERT(nsCSSProps::PropHasFlags(aProperty,
|
|
CSS_PROPERTY_CAN_ANIMATE_ON_COMPOSITOR),
|
|
"Property being animated on compositor is a recognized "
|
|
"compositor-animatable property");
|
|
for (AnimationProperty& property : mProperties) {
|
|
if (property.mProperty == aProperty) {
|
|
property.mIsRunningOnCompositor = aIsRunning;
|
|
// We currently only set a performance warning message when animations
|
|
// cannot be run on the compositor, so if this animation is running
|
|
// on the compositor we don't need a message.
|
|
if (aIsRunning) {
|
|
property.mPerformanceWarning.reset();
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::ResetIsRunningOnCompositor()
|
|
{
|
|
for (AnimationProperty& property : mProperties) {
|
|
property.mIsRunningOnCompositor = false;
|
|
}
|
|
}
|
|
|
|
KeyframeEffectReadOnly::~KeyframeEffectReadOnly()
|
|
{
|
|
}
|
|
|
|
static Maybe<OwningAnimationTarget>
|
|
ConvertTarget(const Nullable<ElementOrCSSPseudoElement>& aTarget)
|
|
{
|
|
// Return value optimization.
|
|
Maybe<OwningAnimationTarget> result;
|
|
|
|
if (aTarget.IsNull()) {
|
|
return result;
|
|
}
|
|
|
|
const ElementOrCSSPseudoElement& target = aTarget.Value();
|
|
MOZ_ASSERT(target.IsElement() || target.IsCSSPseudoElement(),
|
|
"Uninitialized target");
|
|
|
|
if (target.IsElement()) {
|
|
result.emplace(&target.GetAsElement());
|
|
} else {
|
|
RefPtr<Element> elem = target.GetAsCSSPseudoElement().ParentElement();
|
|
result.emplace(elem, target.GetAsCSSPseudoElement().GetType());
|
|
}
|
|
return result;
|
|
}
|
|
|
|
template <class KeyframeEffectType, class OptionsType>
|
|
/* static */ already_AddRefed<KeyframeEffectType>
|
|
KeyframeEffectReadOnly::ConstructKeyframeEffect(
|
|
const GlobalObject& aGlobal,
|
|
const Nullable<ElementOrCSSPseudoElement>& aTarget,
|
|
JS::Handle<JSObject*> aKeyframes,
|
|
const OptionsType& aOptions,
|
|
ErrorResult& aRv)
|
|
{
|
|
nsIDocument* doc = AnimationUtils::GetCurrentRealmDocument(aGlobal.Context());
|
|
if (!doc) {
|
|
aRv.Throw(NS_ERROR_FAILURE);
|
|
return nullptr;
|
|
}
|
|
|
|
TimingParams timingParams =
|
|
TimingParams::FromOptionsUnion(aOptions, doc, aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
Maybe<OwningAnimationTarget> target = ConvertTarget(aTarget);
|
|
RefPtr<KeyframeEffectType> effect =
|
|
new KeyframeEffectType(doc, target, timingParams);
|
|
|
|
effect->SetKeyframes(aGlobal.Context(), aKeyframes, aRv);
|
|
if (aRv.Failed()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return effect.forget();
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::ResetWinsInCascade()
|
|
{
|
|
for (AnimationProperty& property : mProperties) {
|
|
property.mWinsInCascade = false;
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::UpdateTargetRegistration()
|
|
{
|
|
if (!mTarget) {
|
|
return;
|
|
}
|
|
|
|
bool isRelevant = mAnimation && mAnimation->IsRelevant();
|
|
|
|
// Animation::IsRelevant() returns a cached value. It only updates when
|
|
// something calls Animation::UpdateRelevance. Whenever our timing changes,
|
|
// we should be notifying our Animation before calling this, so
|
|
// Animation::IsRelevant() should be up-to-date by the time we get here.
|
|
MOZ_ASSERT(isRelevant == IsCurrent() || IsInEffect(),
|
|
"Out of date Animation::IsRelevant value");
|
|
|
|
if (isRelevant) {
|
|
EffectSet* effectSet =
|
|
EffectSet::GetOrCreateEffectSet(mTarget->mElement, mTarget->mPseudoType);
|
|
effectSet->AddEffect(*this);
|
|
} else {
|
|
UnregisterTarget();
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::UnregisterTarget()
|
|
{
|
|
EffectSet* effectSet =
|
|
EffectSet::GetEffectSet(mTarget->mElement, mTarget->mPseudoType);
|
|
if (effectSet) {
|
|
effectSet->RemoveEffect(*this);
|
|
if (effectSet->IsEmpty()) {
|
|
EffectSet::DestroyEffectSet(mTarget->mElement, mTarget->mPseudoType);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::RequestRestyle(
|
|
EffectCompositor::RestyleType aRestyleType)
|
|
{
|
|
nsPresContext* presContext = GetPresContext();
|
|
if (presContext && mTarget && mAnimation) {
|
|
presContext->EffectCompositor()->
|
|
RequestRestyle(mTarget->mElement, mTarget->mPseudoType,
|
|
aRestyleType, mAnimation->CascadeLevel());
|
|
}
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
void
|
|
DumpAnimationProperties(nsTArray<AnimationProperty>& aAnimationProperties)
|
|
{
|
|
for (auto& p : aAnimationProperties) {
|
|
printf("%s\n", nsCSSProps::GetStringValue(p.mProperty).get());
|
|
for (auto& s : p.mSegments) {
|
|
nsString fromValue, toValue;
|
|
StyleAnimationValue::UncomputeValue(p.mProperty,
|
|
s.mFromValue,
|
|
fromValue);
|
|
StyleAnimationValue::UncomputeValue(p.mProperty,
|
|
s.mToValue,
|
|
toValue);
|
|
printf(" %f..%f: %s..%s\n", s.mFromKey, s.mToKey,
|
|
NS_ConvertUTF16toUTF8(fromValue).get(),
|
|
NS_ConvertUTF16toUTF8(toValue).get());
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* static */ already_AddRefed<KeyframeEffectReadOnly>
|
|
KeyframeEffectReadOnly::Constructor(
|
|
const GlobalObject& aGlobal,
|
|
const Nullable<ElementOrCSSPseudoElement>& aTarget,
|
|
JS::Handle<JSObject*> aKeyframes,
|
|
const UnrestrictedDoubleOrKeyframeEffectOptions& aOptions,
|
|
ErrorResult& aRv)
|
|
{
|
|
return ConstructKeyframeEffect<KeyframeEffectReadOnly>(aGlobal, aTarget,
|
|
aKeyframes, aOptions,
|
|
aRv);
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::GetTarget(
|
|
Nullable<OwningElementOrCSSPseudoElement>& aRv) const
|
|
{
|
|
if (!mTarget) {
|
|
aRv.SetNull();
|
|
return;
|
|
}
|
|
|
|
switch (mTarget->mPseudoType) {
|
|
case CSSPseudoElementType::before:
|
|
case CSSPseudoElementType::after:
|
|
aRv.SetValue().SetAsCSSPseudoElement() =
|
|
CSSPseudoElement::GetCSSPseudoElement(mTarget->mElement,
|
|
mTarget->mPseudoType);
|
|
break;
|
|
|
|
case CSSPseudoElementType::NotPseudo:
|
|
aRv.SetValue().SetAsElement() = mTarget->mElement;
|
|
break;
|
|
|
|
default:
|
|
NS_NOTREACHED("Animation of unsupported pseudo-type");
|
|
aRv.SetNull();
|
|
}
|
|
}
|
|
|
|
static void
|
|
CreatePropertyValue(nsCSSProperty aProperty,
|
|
float aOffset,
|
|
const Maybe<ComputedTimingFunction>& aTimingFunction,
|
|
const StyleAnimationValue& aValue,
|
|
AnimationPropertyValueDetails& aResult)
|
|
{
|
|
aResult.mOffset = aOffset;
|
|
|
|
nsString stringValue;
|
|
StyleAnimationValue::UncomputeValue(aProperty, aValue, stringValue);
|
|
aResult.mValue = stringValue;
|
|
|
|
if (aTimingFunction) {
|
|
aResult.mEasing.Construct();
|
|
aTimingFunction->AppendToString(aResult.mEasing.Value());
|
|
} else {
|
|
aResult.mEasing.Construct(NS_LITERAL_STRING("linear"));
|
|
}
|
|
|
|
aResult.mComposite = CompositeOperation::Replace;
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::GetProperties(
|
|
nsTArray<AnimationPropertyDetails>& aProperties,
|
|
ErrorResult& aRv) const
|
|
{
|
|
for (const AnimationProperty& property : mProperties) {
|
|
AnimationPropertyDetails propertyDetails;
|
|
propertyDetails.mProperty =
|
|
NS_ConvertASCIItoUTF16(nsCSSProps::GetStringValue(property.mProperty));
|
|
propertyDetails.mRunningOnCompositor = property.mIsRunningOnCompositor;
|
|
|
|
nsXPIDLString localizedString;
|
|
if (property.mPerformanceWarning &&
|
|
property.mPerformanceWarning->ToLocalizedString(localizedString)) {
|
|
propertyDetails.mWarning.Construct(localizedString);
|
|
}
|
|
|
|
if (!propertyDetails.mValues.SetCapacity(property.mSegments.Length(),
|
|
mozilla::fallible)) {
|
|
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
|
|
for (size_t segmentIdx = 0, segmentLen = property.mSegments.Length();
|
|
segmentIdx < segmentLen;
|
|
segmentIdx++)
|
|
{
|
|
const AnimationPropertySegment& segment = property.mSegments[segmentIdx];
|
|
|
|
binding_detail::FastAnimationPropertyValueDetails fromValue;
|
|
CreatePropertyValue(property.mProperty, segment.mFromKey,
|
|
segment.mTimingFunction, segment.mFromValue,
|
|
fromValue);
|
|
// We don't apply timing functions for zero-length segments, so
|
|
// don't return one here.
|
|
if (segment.mFromKey == segment.mToKey) {
|
|
fromValue.mEasing.Reset();
|
|
}
|
|
// The following won't fail since we have already allocated the capacity
|
|
// above.
|
|
propertyDetails.mValues.AppendElement(fromValue, mozilla::fallible);
|
|
|
|
// Normally we can ignore the to-value for this segment since it is
|
|
// identical to the from-value from the next segment. However, we need
|
|
// to add it if either:
|
|
// a) this is the last segment, or
|
|
// b) the next segment's from-value differs.
|
|
if (segmentIdx == segmentLen - 1 ||
|
|
property.mSegments[segmentIdx + 1].mFromValue != segment.mToValue) {
|
|
binding_detail::FastAnimationPropertyValueDetails toValue;
|
|
CreatePropertyValue(property.mProperty, segment.mToKey,
|
|
Nothing(), segment.mToValue, toValue);
|
|
// It doesn't really make sense to have a timing function on the
|
|
// last property value or before a sudden jump so we just drop the
|
|
// easing property altogether.
|
|
toValue.mEasing.Reset();
|
|
propertyDetails.mValues.AppendElement(toValue, mozilla::fallible);
|
|
}
|
|
}
|
|
|
|
aProperties.AppendElement(propertyDetails);
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::GetKeyframes(JSContext*& aCx,
|
|
nsTArray<JSObject*>& aResult,
|
|
ErrorResult& aRv)
|
|
{
|
|
MOZ_ASSERT(aResult.IsEmpty());
|
|
MOZ_ASSERT(!aRv.Failed());
|
|
|
|
if (!aResult.SetCapacity(mKeyframes.Length(), mozilla::fallible)) {
|
|
aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
|
|
for (const Keyframe& keyframe : mKeyframes) {
|
|
// Set up a dictionary object for the explicit members
|
|
BaseComputedKeyframe keyframeDict;
|
|
if (keyframe.mOffset) {
|
|
keyframeDict.mOffset.SetValue(keyframe.mOffset.value());
|
|
}
|
|
keyframeDict.mComputedOffset.Construct(keyframe.mComputedOffset);
|
|
if (keyframe.mTimingFunction) {
|
|
keyframeDict.mEasing.Truncate();
|
|
keyframe.mTimingFunction.ref().AppendToString(keyframeDict.mEasing);
|
|
} // else if null, leave easing as its default "linear".
|
|
|
|
JS::Rooted<JS::Value> keyframeJSValue(aCx);
|
|
if (!ToJSValue(aCx, keyframeDict, &keyframeJSValue)) {
|
|
aRv.Throw(NS_ERROR_FAILURE);
|
|
return;
|
|
}
|
|
|
|
JS::Rooted<JSObject*> keyframeObject(aCx, &keyframeJSValue.toObject());
|
|
for (const PropertyValuePair& propertyValue : keyframe.mPropertyValues) {
|
|
|
|
const char* name = nsCSSProps::PropertyIDLName(propertyValue.mProperty);
|
|
|
|
// nsCSSValue::AppendToString does not accept shorthands properties but
|
|
// works with token stream values if we pass eCSSProperty_UNKNOWN as
|
|
// the property.
|
|
nsCSSProperty propertyForSerializing =
|
|
nsCSSProps::IsShorthand(propertyValue.mProperty)
|
|
? eCSSProperty_UNKNOWN
|
|
: propertyValue.mProperty;
|
|
|
|
nsAutoString stringValue;
|
|
propertyValue.mValue.AppendToString(
|
|
propertyForSerializing, stringValue, nsCSSValue::eNormalized);
|
|
|
|
JS::Rooted<JS::Value> value(aCx);
|
|
if (!ToJSValue(aCx, stringValue, &value) ||
|
|
!JS_DefineProperty(aCx, keyframeObject, name, value,
|
|
JSPROP_ENUMERATE)) {
|
|
aRv.Throw(NS_ERROR_FAILURE);
|
|
return;
|
|
}
|
|
}
|
|
|
|
aResult.AppendElement(keyframeObject);
|
|
}
|
|
}
|
|
|
|
/* static */ const TimeDuration
|
|
KeyframeEffectReadOnly::OverflowRegionRefreshInterval()
|
|
{
|
|
// The amount of time we can wait between updating throttled animations
|
|
// on the main thread that influence the overflow region.
|
|
static const TimeDuration kOverflowRegionRefreshInterval =
|
|
TimeDuration::FromMilliseconds(200);
|
|
|
|
return kOverflowRegionRefreshInterval;
|
|
}
|
|
|
|
bool
|
|
KeyframeEffectReadOnly::CanThrottle() const
|
|
{
|
|
// Unthrottle if we are not in effect or current. This will be the case when
|
|
// our owning animation has finished, is idle, or when we are in the delay
|
|
// phase (but without a backwards fill). In each case the computed progress
|
|
// value produced on each tick will be the same so we will skip requesting
|
|
// unnecessary restyles in NotifyAnimationTimingUpdated. Any calls we *do* get
|
|
// here will be because of a change in state (e.g. we are newly finished or
|
|
// newly no longer in effect) in which case we shouldn't throttle the sample.
|
|
if (!IsInEffect() || !IsCurrent()) {
|
|
return false;
|
|
}
|
|
|
|
nsIFrame* frame = GetAnimationFrame();
|
|
if (!frame) {
|
|
// There are two possible cases here.
|
|
// a) No target element
|
|
// b) The target element has no frame, e.g. because it is in a display:none
|
|
// subtree.
|
|
// In either case we can throttle the animation because there is no
|
|
// need to update on the main thread.
|
|
return true;
|
|
}
|
|
|
|
// We can throttle the animation if the animation is paint only and
|
|
// the target frame is out of view or the document is in background tabs.
|
|
if (CanIgnoreIfNotVisible()) {
|
|
nsIPresShell* presShell = GetPresShell();
|
|
if ((presShell && !presShell->IsActive()) ||
|
|
frame->IsScrolledOutOfView()) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// First we need to check layer generation and transform overflow
|
|
// prior to the property.mIsRunningOnCompositor check because we should
|
|
// occasionally unthrottle these animations even if the animations are
|
|
// already running on compositor.
|
|
for (const LayerAnimationInfo::Record& record :
|
|
LayerAnimationInfo::sRecords) {
|
|
// Skip properties that are overridden in the cascade.
|
|
// (GetAnimationOfProperty, as called by HasAnimationOfProperty,
|
|
// only returns an animation if it currently wins in the cascade.)
|
|
if (!HasAnimationOfProperty(record.mProperty)) {
|
|
continue;
|
|
}
|
|
|
|
EffectSet* effectSet = EffectSet::GetEffectSet(mTarget->mElement,
|
|
mTarget->mPseudoType);
|
|
MOZ_ASSERT(effectSet, "CanThrottle should be called on an effect "
|
|
"associated with a target element");
|
|
layers::Layer* layer =
|
|
FrameLayerBuilder::GetDedicatedLayer(frame, record.mLayerType);
|
|
// Unthrottle if the layer needs to be brought up to date
|
|
if (!layer ||
|
|
effectSet->GetAnimationGeneration() !=
|
|
layer->GetAnimationGeneration()) {
|
|
return false;
|
|
}
|
|
|
|
// If this is a transform animation that affects the overflow region,
|
|
// we should unthrottle the animation periodically.
|
|
if (record.mProperty == eCSSProperty_transform &&
|
|
!CanThrottleTransformChanges(*frame)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
for (const AnimationProperty& property : mProperties) {
|
|
if (!property.mIsRunningOnCompositor) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
KeyframeEffectReadOnly::CanThrottleTransformChanges(nsIFrame& aFrame) const
|
|
{
|
|
// If we know that the animation cannot cause overflow,
|
|
// we can just disable flushes for this animation.
|
|
|
|
// If we don't show scrollbars, we don't care about overflow.
|
|
if (LookAndFeel::GetInt(LookAndFeel::eIntID_ShowHideScrollbars) == 0) {
|
|
return true;
|
|
}
|
|
|
|
nsPresContext* presContext = GetPresContext();
|
|
// CanThrottleTransformChanges is only called as part of a refresh driver tick
|
|
// in which case we expect to has a pres context.
|
|
MOZ_ASSERT(presContext);
|
|
|
|
TimeStamp now =
|
|
presContext->RefreshDriver()->MostRecentRefresh();
|
|
|
|
EffectSet* effectSet = EffectSet::GetEffectSet(mTarget->mElement,
|
|
mTarget->mPseudoType);
|
|
MOZ_ASSERT(effectSet, "CanThrottleTransformChanges is expected to be called"
|
|
" on an effect in an effect set");
|
|
MOZ_ASSERT(mAnimation, "CanThrottleTransformChanges is expected to be called"
|
|
" on an effect with a parent animation");
|
|
TimeStamp animationRuleRefreshTime =
|
|
effectSet->AnimationRuleRefreshTime(mAnimation->CascadeLevel());
|
|
// If this animation can cause overflow, we can throttle some of the ticks.
|
|
if (!animationRuleRefreshTime.IsNull() &&
|
|
(now - animationRuleRefreshTime) < OverflowRegionRefreshInterval()) {
|
|
return true;
|
|
}
|
|
|
|
// If the nearest scrollable ancestor has overflow:hidden,
|
|
// we don't care about overflow.
|
|
nsIScrollableFrame* scrollable =
|
|
nsLayoutUtils::GetNearestScrollableFrame(&aFrame);
|
|
if (!scrollable) {
|
|
return true;
|
|
}
|
|
|
|
ScrollbarStyles ss = scrollable->GetScrollbarStyles();
|
|
if (ss.mVertical == NS_STYLE_OVERFLOW_HIDDEN &&
|
|
ss.mHorizontal == NS_STYLE_OVERFLOW_HIDDEN &&
|
|
scrollable->GetLogicalScrollPosition() == nsPoint(0, 0)) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
nsIFrame*
|
|
KeyframeEffectReadOnly::GetAnimationFrame() const
|
|
{
|
|
if (!mTarget) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsIFrame* frame = mTarget->mElement->GetPrimaryFrame();
|
|
if (!frame) {
|
|
return nullptr;
|
|
}
|
|
|
|
if (mTarget->mPseudoType == CSSPseudoElementType::before) {
|
|
frame = nsLayoutUtils::GetBeforeFrame(frame);
|
|
} else if (mTarget->mPseudoType == CSSPseudoElementType::after) {
|
|
frame = nsLayoutUtils::GetAfterFrame(frame);
|
|
} else {
|
|
MOZ_ASSERT(mTarget->mPseudoType == CSSPseudoElementType::NotPseudo,
|
|
"unknown mTarget->mPseudoType");
|
|
}
|
|
if (!frame) {
|
|
return nullptr;
|
|
}
|
|
|
|
return nsLayoutUtils::GetStyleFrame(frame);
|
|
}
|
|
|
|
nsIDocument*
|
|
KeyframeEffectReadOnly::GetRenderedDocument() const
|
|
{
|
|
if (!mTarget) {
|
|
return nullptr;
|
|
}
|
|
return mTarget->mElement->GetComposedDoc();
|
|
}
|
|
|
|
nsIPresShell*
|
|
KeyframeEffectReadOnly::GetPresShell() const
|
|
{
|
|
nsIDocument* doc = GetRenderedDocument();
|
|
if (!doc) {
|
|
return nullptr;
|
|
}
|
|
return doc->GetShell();
|
|
}
|
|
|
|
nsPresContext*
|
|
KeyframeEffectReadOnly::GetPresContext() const
|
|
{
|
|
nsIPresShell* shell = GetPresShell();
|
|
if (!shell) {
|
|
return nullptr;
|
|
}
|
|
return shell->GetPresContext();
|
|
}
|
|
|
|
/* static */ bool
|
|
KeyframeEffectReadOnly::IsGeometricProperty(
|
|
const nsCSSProperty aProperty)
|
|
{
|
|
switch (aProperty) {
|
|
case eCSSProperty_bottom:
|
|
case eCSSProperty_height:
|
|
case eCSSProperty_left:
|
|
case eCSSProperty_right:
|
|
case eCSSProperty_top:
|
|
case eCSSProperty_width:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/* static */ bool
|
|
KeyframeEffectReadOnly::CanAnimateTransformOnCompositor(
|
|
const nsIFrame* aFrame,
|
|
AnimationPerformanceWarning::Type& aPerformanceWarning)
|
|
{
|
|
// Disallow OMTA for preserve-3d transform. Note that we check the style property
|
|
// rather than Extend3DContext() since that can recurse back into this function
|
|
// via HasOpacity(). See bug 779598.
|
|
if (aFrame->Combines3DTransformWithAncestors() ||
|
|
aFrame->StyleDisplay()->mTransformStyle == NS_STYLE_TRANSFORM_STYLE_PRESERVE_3D) {
|
|
aPerformanceWarning = AnimationPerformanceWarning::Type::TransformPreserve3D;
|
|
return false;
|
|
}
|
|
// Note that testing BackfaceIsHidden() is not a sufficient test for
|
|
// what we need for animating backface-visibility correctly if we
|
|
// remove the above test for Extend3DContext(); that would require
|
|
// looking at backface-visibility on descendants as well. See bug 1186204.
|
|
if (aFrame->StyleDisplay()->BackfaceIsHidden()) {
|
|
aPerformanceWarning =
|
|
AnimationPerformanceWarning::Type::TransformBackfaceVisibilityHidden;
|
|
return false;
|
|
}
|
|
// Async 'transform' animations of aFrames with SVG transforms is not
|
|
// supported. See bug 779599.
|
|
if (aFrame->IsSVGTransformed()) {
|
|
aPerformanceWarning = AnimationPerformanceWarning::Type::TransformSVG;
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
KeyframeEffectReadOnly::ShouldBlockAsyncTransformAnimations(
|
|
const nsIFrame* aFrame,
|
|
AnimationPerformanceWarning::Type& aPerformanceWarning) const
|
|
{
|
|
// We currently only expect this method to be called when this effect
|
|
// is attached to a playing Animation. If that ever changes we'll need
|
|
// to update this to only return true when that is the case since paused,
|
|
// filling, cancelled Animations etc. shouldn't stop other Animations from
|
|
// running on the compositor.
|
|
MOZ_ASSERT(mAnimation && mAnimation->IsPlaying());
|
|
|
|
for (const AnimationProperty& property : mProperties) {
|
|
// If a property is overridden in the CSS cascade, it should not block other
|
|
// animations from running on the compositor.
|
|
if (!property.mWinsInCascade) {
|
|
continue;
|
|
}
|
|
// Check for geometric properties
|
|
if (IsGeometricProperty(property.mProperty)) {
|
|
aPerformanceWarning =
|
|
AnimationPerformanceWarning::Type::TransformWithGeometricProperties;
|
|
return true;
|
|
}
|
|
|
|
// Check for unsupported transform animations
|
|
if (property.mProperty == eCSSProperty_transform) {
|
|
if (!CanAnimateTransformOnCompositor(aFrame,
|
|
aPerformanceWarning)) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::SetPerformanceWarning(
|
|
nsCSSProperty aProperty,
|
|
const AnimationPerformanceWarning& aWarning)
|
|
{
|
|
for (AnimationProperty& property : mProperties) {
|
|
if (property.mProperty == aProperty &&
|
|
(!property.mPerformanceWarning ||
|
|
*property.mPerformanceWarning != aWarning)) {
|
|
property.mPerformanceWarning = Some(aWarning);
|
|
|
|
nsXPIDLString localizedString;
|
|
if (nsLayoutUtils::IsAnimationLoggingEnabled() &&
|
|
property.mPerformanceWarning->ToLocalizedString(localizedString)) {
|
|
nsAutoCString logMessage = NS_ConvertUTF16toUTF8(localizedString);
|
|
AnimationUtils::LogAsyncAnimationFailure(logMessage, mTarget->mElement);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffectReadOnly::CalculateCumulativeChangeHint()
|
|
{
|
|
mCumulativeChangeHint = nsChangeHint(0);
|
|
|
|
for (const AnimationProperty& property : mProperties) {
|
|
for (const AnimationPropertySegment& segment : property.mSegments) {
|
|
mCumulativeChangeHint |= segment.mChangeHint;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool
|
|
KeyframeEffectReadOnly::CanIgnoreIfNotVisible() const
|
|
{
|
|
if (!AnimationUtils::IsOffscreenThrottlingEnabled()) {
|
|
return false;
|
|
}
|
|
|
|
// FIXME: For further sophisticated optimization we need to check
|
|
// change hint on the segment corresponding to computedTiming.progress.
|
|
return NS_IsHintSubset(
|
|
mCumulativeChangeHint, nsChangeHint_Hints_CanIgnoreIfNotVisible);
|
|
}
|
|
|
|
//---------------------------------------------------------------------
|
|
//
|
|
// KeyframeEffect
|
|
//
|
|
//---------------------------------------------------------------------
|
|
|
|
KeyframeEffect::KeyframeEffect(nsIDocument* aDocument,
|
|
const Maybe<OwningAnimationTarget>& aTarget,
|
|
const TimingParams& aTiming)
|
|
: KeyframeEffectReadOnly(aDocument, aTarget,
|
|
new AnimationEffectTiming(aDocument, aTiming, this))
|
|
{
|
|
}
|
|
|
|
JSObject*
|
|
KeyframeEffect::WrapObject(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto)
|
|
{
|
|
return KeyframeEffectBinding::Wrap(aCx, this, aGivenProto);
|
|
}
|
|
|
|
/* static */ already_AddRefed<KeyframeEffect>
|
|
KeyframeEffect::Constructor(
|
|
const GlobalObject& aGlobal,
|
|
const Nullable<ElementOrCSSPseudoElement>& aTarget,
|
|
JS::Handle<JSObject*> aKeyframes,
|
|
const UnrestrictedDoubleOrKeyframeEffectOptions& aOptions,
|
|
ErrorResult& aRv)
|
|
{
|
|
return ConstructKeyframeEffect<KeyframeEffect>(aGlobal, aTarget, aKeyframes,
|
|
aOptions, aRv);
|
|
}
|
|
|
|
/* static */ already_AddRefed<KeyframeEffect>
|
|
KeyframeEffect::Constructor(
|
|
const GlobalObject& aGlobal,
|
|
const Nullable<ElementOrCSSPseudoElement>& aTarget,
|
|
JS::Handle<JSObject*> aKeyframes,
|
|
const UnrestrictedDoubleOrKeyframeAnimationOptions& aOptions,
|
|
ErrorResult& aRv)
|
|
{
|
|
return ConstructKeyframeEffect<KeyframeEffect>(aGlobal, aTarget, aKeyframes,
|
|
aOptions, aRv);
|
|
}
|
|
|
|
void
|
|
KeyframeEffect::NotifySpecifiedTimingUpdated()
|
|
{
|
|
// Use the same document for a pseudo element and its parent element.
|
|
// Use nullptr if we don't have mTarget, so disable the mutation batch.
|
|
nsAutoAnimationMutationBatch mb(mTarget ? mTarget->mElement->OwnerDoc()
|
|
: nullptr);
|
|
|
|
if (mAnimation) {
|
|
mAnimation->NotifyEffectTimingUpdated();
|
|
|
|
if (mAnimation->IsRelevant()) {
|
|
nsNodeUtils::AnimationChanged(mAnimation);
|
|
}
|
|
|
|
RequestRestyle(EffectCompositor::RestyleType::Layer);
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffect::SetTarget(const Nullable<ElementOrCSSPseudoElement>& aTarget)
|
|
{
|
|
Maybe<OwningAnimationTarget> newTarget = ConvertTarget(aTarget);
|
|
if (mTarget == newTarget) {
|
|
// Assign the same target, skip it.
|
|
return;
|
|
}
|
|
|
|
if (mTarget) {
|
|
UnregisterTarget();
|
|
ResetIsRunningOnCompositor();
|
|
ResetWinsInCascade();
|
|
|
|
RequestRestyle(EffectCompositor::RestyleType::Layer);
|
|
|
|
nsAutoAnimationMutationBatch mb(mTarget->mElement->OwnerDoc());
|
|
if (mAnimation) {
|
|
nsNodeUtils::AnimationRemoved(mAnimation);
|
|
}
|
|
}
|
|
|
|
mTarget = newTarget;
|
|
|
|
if (mTarget) {
|
|
UpdateTargetRegistration();
|
|
MaybeUpdateProperties();
|
|
|
|
RequestRestyle(EffectCompositor::RestyleType::Layer);
|
|
|
|
nsAutoAnimationMutationBatch mb(mTarget->mElement->OwnerDoc());
|
|
if (mAnimation) {
|
|
nsNodeUtils::AnimationAdded(mAnimation);
|
|
}
|
|
}
|
|
}
|
|
|
|
KeyframeEffect::~KeyframeEffect()
|
|
{
|
|
// mTiming is cycle collected, so we have to do null check first even though
|
|
// mTiming shouldn't be null during the lifetime of KeyframeEffect.
|
|
if (mTiming) {
|
|
mTiming->Unlink();
|
|
}
|
|
}
|
|
|
|
void
|
|
KeyframeEffect::MaybeUpdateProperties()
|
|
{
|
|
if (!mTarget) {
|
|
return;
|
|
}
|
|
|
|
nsIDocument* doc = mTarget->mElement->OwnerDoc();
|
|
if (!doc) {
|
|
return;
|
|
}
|
|
|
|
nsIAtom* pseudo = mTarget->mPseudoType < CSSPseudoElementType::Count ?
|
|
nsCSSPseudoElements::GetPseudoAtom(mTarget->mPseudoType) :
|
|
nullptr;
|
|
RefPtr<nsStyleContext> styleContext =
|
|
nsComputedDOMStyle::GetStyleContextForElement(mTarget->mElement, pseudo,
|
|
doc->GetShell());
|
|
if (!styleContext) {
|
|
return;
|
|
}
|
|
|
|
UpdateProperties(styleContext);
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|