Web Animations: Refactor KeyframeEffectModel to work via an InterpolationEffect.

Source/core/animation/css/CSSAnimations.h

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * 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.
  */
 
 #ifndef CSSAnimations_h
 #define CSSAnimations_h
 
 #include "core/animation/Animation.h"
 #include "core/animation/InertAnimation.h"
+#include "core/animation/Interpolation.h"
 #include "core/animation/Player.h"
 #include "core/animation/css/CSSAnimationData.h"
 #include "core/css/StylePropertySet.h"
 #include "core/dom/Document.h"
 #include "core/rendering/style/RenderStyleConstants.h"
 #include "wtf/HashMap.h"
 #include "wtf/Vector.h"
 #include "wtf/text/AtomicString.h"
 
 namespace WebCore {
 
 class Element;
 class StylePropertyShorthand;
 class StyleResolver;
 class StyleRuleKeyframes;
 
 // This class stores the CSS Animations/Transitions information we use during a style recalc.
 // This includes updates to animations/transitions as well as the CompositableValueMaps to be applied.

[alancutter (OOO until 2018), 2014/03/12 03:34:07]

Comment needs updating, CompositableValueMaps are not used anymore.

[shans, 2014/03/14 06:19:58]

Done.

 class CSSAnimationUpdate FINAL {
 public:
     void startAnimation(AtomicString& animationName, const HashSet<RefPtr<InertAnimation> >& animations)
     {
         NewAnimation newAnimation;
         newAnimation.name = animationName;
         newAnimation.animations = animations;
         m_newAnimations.append(newAnimation);
     }
     // Returns whether player has been cancelled and should be filtered during style application.
@@ skipping 33 matching lines @@
     struct NewTransition {
         CSSPropertyID id;
         const AnimatableValue* from;
         const AnimatableValue* to;
         RefPtr<InertAnimation> animation;
     };
     typedef HashMap<CSSPropertyID, NewTransition> NewTransitionMap;
     const NewTransitionMap& newTransitions() const { return m_newTransitions; }
     const HashSet<CSSPropertyID>& cancelledTransitions() const { return m_cancelledTransitions; }
 
-    void adoptCompositableValuesForAnimations(AnimationEffect::CompositableValueMap& newMap) { newMap.swap(m_compositableValuesForAnimations); }
-    void adoptCompositableValuesForTransitions(AnimationEffect::CompositableValueMap& newMap) { newMap.swap(m_compositableValuesForTransitions); }
-    const AnimationEffect::CompositableValueMap& compositableValuesForAnimations() const { return m_compositableValuesForAnimations; }
-    const AnimationEffect::CompositableValueMap& compositableValuesForTransitions() const { return m_compositableValuesForTransitions; }
-    AnimationEffect::CompositableValueMap& compositableValuesForAnimations() { return m_compositableValuesForAnimations; }
+    void adoptActiveInterpolationsForAnimations(HashMap<CSSPropertyID, RefPtr<Interpolation> >& newMap) { newMap.swap(m_activeInterpolationsForAnimations); }
+    void adoptActiveInterpolationsForTransitions(HashMap<CSSPropertyID, RefPtr<Interpolation> >& newMap) { newMap.swap(m_activeInterpolationsForTransitions); }
+    const HashMap<CSSPropertyID, RefPtr<Interpolation> >& activeInterpolationsForAnimations() const { return m_activeInterpolationsForAnimations; }
+    const HashMap<CSSPropertyID, RefPtr<Interpolation> >& activeInterpolationsForTransitions() const { return m_activeInterpolationsForTransitions; }
+    HashMap<CSSPropertyID, RefPtr<Interpolation> >& activeInterpolationsForAnimations() { return m_activeInterpolationsForAnimations; }
 
     bool isEmpty() const
     {
         return m_newAnimations.isEmpty()
             && m_cancelledAnimationNames.isEmpty()
             && m_cancelledAnimationPlayers.isEmpty()
             && m_animationsWithPauseToggled.isEmpty()
             && m_newTransitions.isEmpty()
             && m_cancelledTransitions.isEmpty()
-            && m_compositableValuesForAnimations.isEmpty()
-            && m_compositableValuesForTransitions.isEmpty();
+            && m_activeInterpolationsForAnimations.isEmpty()
+            && m_activeInterpolationsForTransitions.isEmpty();
     }
 private:
     // Order is significant since it defines the order in which new animations
     // will be started. Note that there may be multiple animations present
     // with the same name, due to the way in which we split up animations with
     // incomplete keyframes.
     Vector<NewAnimation> m_newAnimations;
     Vector<AtomicString> m_cancelledAnimationNames;
     HashSet<const Player*> m_cancelledAnimationPlayers;
     Vector<AtomicString> m_animationsWithPauseToggled;
 
     NewTransitionMap m_newTransitions;
     HashSet<CSSPropertyID> m_cancelledTransitions;
 
-    AnimationEffect::CompositableValueMap m_compositableValuesForAnimations;
-    AnimationEffect::CompositableValueMap m_compositableValuesForTransitions;
+    HashMap<CSSPropertyID, RefPtr<Interpolation> > m_activeInterpolationsForAnimations;
+    HashMap<CSSPropertyID, RefPtr<Interpolation> > m_activeInterpolationsForTransitions;
 };
 
 class CSSAnimations FINAL {
 public:
     // FIXME: This method is only used here and in the legacy animations
     // implementation. It should be made private or file-scope when the legacy
     // engine is removed.
     static const StyleRuleKeyframes* matchScopedKeyframesRule(StyleResolver*, const Element*, const StringImpl*);
 
     static bool isAnimatableProperty(CSSPropertyID);
@@ skipping 16 matching lines @@
     struct RunningTransition {
         Animation* transition; // The TransitionTimeline keeps the Players alive
         const AnimatableValue* from;
         const AnimatableValue* to;
     };
     typedef HashMap<CSSPropertyID, RunningTransition > TransitionMap;
     AnimationMap m_animations;
     TransitionMap m_transitions;
     OwnPtr<CSSAnimationUpdate> m_pendingUpdate;
 
-    AnimationEffect::CompositableValueMap m_previousCompositableValuesForAnimations;
+    HashMap<CSSPropertyID, RefPtr<Interpolation> > m_previousActiveInterpolationsForAnimations;
 
     static void calculateAnimationUpdate(CSSAnimationUpdate*, Element*, const Element& parentElement, const RenderStyle&, RenderStyle* parentStyle, StyleResolver*);
     static void calculateTransitionUpdate(CSSAnimationUpdate*, const Element*, const RenderStyle&);
     static void calculateTransitionUpdateForProperty(CSSPropertyID, const CSSAnimationData*, const RenderStyle& oldStyle, const RenderStyle&, const TransitionMap* activeTransitions, CSSAnimationUpdate*, const Element*);
 
-    static void calculateAnimationCompositableValues(CSSAnimationUpdate*, const Element*);
-    static void calculateTransitionCompositableValues(CSSAnimationUpdate*, const Element*);
+    static void calculateAnimationActiveInterpolations(CSSAnimationUpdate*, const Element*);
+    static void calculateTransitionActiveInterpolations(CSSAnimationUpdate*, const Element*);
 
     class AnimationEventDelegate FINAL : public TimedItem::EventDelegate {
     public:
         AnimationEventDelegate(Element* target, const AtomicString& name)
             : m_target(target)
             , m_name(name)
         {
         }
         virtual void onEventCondition(const TimedItem*, bool isFirstSample, TimedItem::Phase previousPhase, double previousIteration) OVERRIDE;
     private:
@@ skipping 12 matching lines @@
         virtual void onEventCondition(const TimedItem*, bool isFirstSample, TimedItem::Phase previousPhase, double previousIteration) OVERRIDE;
     private:
         Element* m_target;
         const CSSPropertyID m_property;
     };
 };
 
 } // namespace WebCore
 
 #endif