Move content up to KeyframeEffectReadOnly

third_party/WebKit/Source/core/animation/KeyframeEffect.cpp

Index: third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
diff --git a/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp b/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
index 85ce7b94362af5dc3a1ce0dbb4a375af1c607e26..1c07f6ab1bcfc3c786609c6e08f02750cd4c0721 100644
--- a/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
+++ b/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
@@ -32,21 +32,13 @@
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
-#include "core/animation/Animation.h"
 #include "core/animation/AnimationEffectTiming.h"
-#include "core/animation/AnimationTimeline.h"
-#include "core/animation/CompositorAnimations.h"
-#include "core/animation/ElementAnimations.h"
-#include "core/animation/Interpolation.h"
-#include "core/animation/KeyframeEffectModel.h"
+#include "core/animation/EffectInput.h"
 #include "core/animation/KeyframeEffectOptions.h"
 #include "core/animation/KeyframeEffectReadOnly.h"
-#include "core/animation/PropertyHandle.h"
+#include "core/animation/TimingInput.h"
 #include "core/dom/Element.h"
-#include "core/dom/NodeComputedStyle.h"
 #include "core/frame/UseCounter.h"
-#include "core/paint/PaintLayer.h"
-#include "core/svg/SVGElement.h"
 
 namespace blink {
 
@@ -122,275 +114,8 @@ KeyframeEffect::KeyframeEffect(Element* target,
 
 KeyframeEffect::~KeyframeEffect() {}
 
-void KeyframeEffect::attach(Animation* animation) {
-  if (m_target) {
-    m_target->ensureElementAnimations().animations().add(animation);
-    m_target->setNeedsAnimationStyleRecalc();
-    if (RuntimeEnabledFeatures::webAnimationsSVGEnabled() &&
-        m_target->isSVGElement())
-      toSVGElement(m_target)->setWebAnimationsPending();
-  }
-  AnimationEffectReadOnly::attach(animation);
-}
-
-void KeyframeEffect::detach() {
-  if (m_target)
-    m_target->elementAnimations()->animations().remove(animation());
-  if (m_sampledEffect)
-    clearEffects();
-  AnimationEffectReadOnly::detach();
-}
-
-void KeyframeEffect::specifiedTimingChanged() {
-  if (animation()) {
-    // FIXME: Needs to consider groups when added.
-    DCHECK_EQ(animation()->effect(), this);
-    animation()->setCompositorPending(true);
-  }
-}
-
-static AnimationStack& ensureAnimationStack(Element* element) {
-  return element->ensureElementAnimations().animationStack();
-}
-
-bool KeyframeEffect::hasMultipleTransformProperties() const {
-  if (!m_target->computedStyle())
-    return false;
-
-  unsigned transformPropertyCount = 0;
-  if (m_target->computedStyle()->hasTransformOperations())
-    transformPropertyCount++;
-  if (m_target->computedStyle()->rotate())
-    transformPropertyCount++;
-  if (m_target->computedStyle()->scale())
-    transformPropertyCount++;
-  if (m_target->computedStyle()->translate())
-    transformPropertyCount++;
-  return transformPropertyCount > 1;
-}
-
-// Returns true if transform, translate, rotate or scale is composited
-// and a motion path or other transform properties
-// has been introduced on the element
-bool KeyframeEffect::hasIncompatibleStyle() {
-  if (!m_target->computedStyle())
-    return false;
-
-  bool affectsTransform =
-      animation()->affects(*m_target, CSSPropertyTransform) ||
-      animation()->affects(*m_target, CSSPropertyScale) ||
-      animation()->affects(*m_target, CSSPropertyRotate) ||
-      animation()->affects(*m_target, CSSPropertyTranslate);
-
-  if (animation()->hasActiveAnimationsOnCompositor()) {
-    if (m_target->computedStyle()->hasOffset() && affectsTransform)
-      return true;
-    return hasMultipleTransformProperties();
-  }
-
-  return false;
-}
-
-void KeyframeEffect::applyEffects() {
-  DCHECK(isInEffect());
-  DCHECK(animation());
-  if (!m_target || !m_model)
-    return;
-
-  if (hasIncompatibleStyle())
-    animation()->cancelAnimationOnCompositor();
-
-  double iteration = currentIteration();
-  DCHECK_GE(iteration, 0);
-  bool changed = false;
-  if (m_sampledEffect) {
-    changed = m_model->sample(clampTo<int>(iteration, 0), progress(),
-                              iterationDuration(),
-                              m_sampledEffect->mutableInterpolations());
-  } else {
-    Vector<RefPtr<Interpolation>> interpolations;
-    m_model->sample(clampTo<int>(iteration, 0), progress(), iterationDuration(),
-                    interpolations);
-    if (!interpolations.isEmpty()) {
-      SampledEffect* sampledEffect = SampledEffect::create(this);
-      sampledEffect->mutableInterpolations().swap(interpolations);
-      m_sampledEffect = sampledEffect;
-      ensureAnimationStack(m_target).add(sampledEffect);
-      changed = true;
-    } else {
-      return;
-    }
-  }
-
-  if (changed) {
-    m_target->setNeedsAnimationStyleRecalc();
-    if (RuntimeEnabledFeatures::webAnimationsSVGEnabled() &&
-        m_target->isSVGElement())
-      toSVGElement(*m_target).setWebAnimationsPending();
-  }
-}
-
-void KeyframeEffect::clearEffects() {
-  DCHECK(animation());
-  DCHECK(m_sampledEffect);
-
-  m_sampledEffect->clear();
-  m_sampledEffect = nullptr;
-  restartAnimationOnCompositor();
-  m_target->setNeedsAnimationStyleRecalc();
-  if (RuntimeEnabledFeatures::webAnimationsSVGEnabled() &&
-      m_target->isSVGElement())
-    toSVGElement(*m_target).clearWebAnimatedAttributes();
-  invalidate();
-}
-
-void KeyframeEffect::updateChildrenAndEffects() const {
-  if (!m_model)
-    return;
-  DCHECK(animation());
-  if (isInEffect() && !animation()->effectSuppressed())
-    const_cast<KeyframeEffect*>(this)->applyEffects();
-  else if (m_sampledEffect)
-    const_cast<KeyframeEffect*>(this)->clearEffects();
-}
-
-double KeyframeEffect::calculateTimeToEffectChange(
-    bool forwards,
-    double localTime,
-    double timeToNextIteration) const {
-  const double startTime = specifiedTiming().startDelay;
-  const double endTimeMinusEndDelay = startTime + activeDurationInternal();
-  const double endTime = endTimeMinusEndDelay + specifiedTiming().endDelay;
-  const double afterTime = std::min(endTimeMinusEndDelay, endTime);
-
-  switch (getPhase()) {
-    case PhaseNone:
-      return std::numeric_limits<double>::infinity();
-    case PhaseBefore:
-      DCHECK_GE(startTime, localTime);
-      return forwards ? startTime - localTime
-                      : std::numeric_limits<double>::infinity();
-    case PhaseActive:
-      if (forwards) {
-        // Need service to apply fill / fire events.
-        const double timeToEnd = afterTime - localTime;
-        if (requiresIterationEvents()) {
-          return std::min(timeToEnd, timeToNextIteration);
-        }
-        return timeToEnd;
-      }
-      return 0;
-    case PhaseAfter:
-      DCHECK_GE(localTime, afterTime);
-      // If this KeyframeEffect is still in effect then it will need to update
-      // when its parent goes out of effect. We have no way of knowing when
-      // that will be, however, so the parent will need to supply it.
-      return forwards ? std::numeric_limits<double>::infinity()
-                      : localTime - afterTime;
-    default:
-      NOTREACHED();
-      return std::numeric_limits<double>::infinity();
-  }
-}
-
-void KeyframeEffect::notifySampledEffectRemovedFromAnimationStack() {
-  m_sampledEffect = nullptr;
-}
-
-bool KeyframeEffect::isCandidateForAnimationOnCompositor(
-    double animationPlaybackRate) const {
-  // Do not put transforms on compositor if more than one of them are defined
-  // in computed style because they need to be explicitly ordered
-  if (!model() || !m_target ||
-      (m_target->computedStyle() && m_target->computedStyle()->hasOffset()) ||
-      hasMultipleTransformProperties())
-    return false;
-
-  return CompositorAnimations::isCandidateForAnimationOnCompositor(
-      specifiedTiming(), *m_target, animation(), *model(),
-      animationPlaybackRate);
-}
-
-bool KeyframeEffect::maybeStartAnimationOnCompositor(
-    int group,
-    double startTime,
-    double currentTime,
-    double animationPlaybackRate) {
-  DCHECK(!hasActiveAnimationsOnCompositor());
-  if (!isCandidateForAnimationOnCompositor(animationPlaybackRate))
-    return false;
-  if (!CompositorAnimations::canStartAnimationOnCompositor(*m_target))
-    return false;
-  CompositorAnimations::startAnimationOnCompositor(
-      *m_target, group, startTime, currentTime, specifiedTiming(), *animation(),
-      *model(), m_compositorAnimationIds, animationPlaybackRate);
-  DCHECK(!m_compositorAnimationIds.isEmpty());
-  return true;
-}
-
-bool KeyframeEffect::hasActiveAnimationsOnCompositor() const {
-  return !m_compositorAnimationIds.isEmpty();
-}
-
-bool KeyframeEffect::hasActiveAnimationsOnCompositor(
-    CSSPropertyID property) const {
-  return hasActiveAnimationsOnCompositor() && affects(PropertyHandle(property));
-}
-
-bool KeyframeEffect::affects(PropertyHandle property) const {
-  return m_model && m_model->affects(property);
-}
-
-bool KeyframeEffect::cancelAnimationOnCompositor() {
-  // FIXME: cancelAnimationOnCompositor is called from withins style recalc.
-  // This queries compositingState, which is not necessarily up to date.
-  // https://code.google.com/p/chromium/issues/detail?id=339847
-  DisableCompositingQueryAsserts disabler;
-  if (!hasActiveAnimationsOnCompositor())
-    return false;
-  if (!m_target || !m_target->layoutObject())
-    return false;
-  DCHECK(animation());
-  for (const auto& compositorAnimationId : m_compositorAnimationIds)
-    CompositorAnimations::cancelAnimationOnCompositor(*m_target, *animation(),
-                                                      compositorAnimationId);
-  m_compositorAnimationIds.clear();
-  return true;
-}
-
-void KeyframeEffect::restartAnimationOnCompositor() {
-  if (cancelAnimationOnCompositor())
-    animation()->setCompositorPending(true);
-}
-
-void KeyframeEffect::cancelIncompatibleAnimationsOnCompositor() {
-  if (m_target && animation() && model())
-    CompositorAnimations::cancelIncompatibleAnimationsOnCompositor(
-        *m_target, *animation(), *model());
-}
-
-void KeyframeEffect::pauseAnimationForTestingOnCompositor(double pauseTime) {
-  DCHECK(hasActiveAnimationsOnCompositor());
-  if (!m_target || !m_target->layoutObject())
-    return;
-  DCHECK(animation());
-  for (const auto& compositorAnimationId : m_compositorAnimationIds)
-    CompositorAnimations::pauseAnimationForTestingOnCompositor(
-        *m_target, *animation(), compositorAnimationId, pauseTime);
-}
-
-void KeyframeEffect::attachCompositedLayers() {
-  DCHECK(m_target);
-  DCHECK(animation());
-  CompositorAnimations::attachCompositedLayers(*m_target, *animation());
-}
-
 AnimationEffectTiming* KeyframeEffect::timing() {
   return AnimationEffectTiming::create(this);
 }
 
-DEFINE_TRACE(KeyframeEffect) {
-  KeyframeEffectReadOnly::trace(visitor);
-}
-
 }  // namespace blink