Oilpan: Completely move core/animations/ to oilpan's heap

Source/core/animation/TimedItem.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 14 matching lines @@
  * 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.
  */
 
 #ifndef TimedItem_h
 #define TimedItem_h
 
 #include "core/animation/Timing.h"
+#include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
 class AnimationPlayer;
 class TimedItem;
 class TimedItemTiming;
 
 enum TimingUpdateReason {
     TimingUpdateOnDemand,
     TimingUpdateForAnimationFrame
 };
 
 static inline bool isNull(double value)
 {
     return std::isnan(value);
 }
 
 static inline double nullValue()
 {
     return std::numeric_limits<double>::quiet_NaN();
 }
 
-class TimedItem : public RefCounted<TimedItem> {
+class TimedItem : public RefCountedWillBeGarbageCollectedFinalized<TimedItem> {
     friend class AnimationPlayer; // Calls attach/detach, updateInheritedTime.
 public:
     // Note that logic in CSSAnimations depends on the order of these values.
     enum Phase {
         PhaseBefore,
         PhaseActive,
         PhaseAfter,
         PhaseNone,
     };
 
@@ skipping 25 matching lines @@
     double timeFraction() const { return ensureCalculated().timeFraction; }
     double startTime() const { return m_startTime * 1000; }
     double startTimeInternal() const { return m_startTime; }
     double endTime() const { return endTimeInternal() * 1000; }
     double endTimeInternal() const { return startTime() + specifiedTiming().startDelay + activeDurationInternal() + specifiedTiming().endDelay; }
 
     const AnimationPlayer* player() const { return m_player; }
     AnimationPlayer* player() { return m_player; }
     AnimationPlayer* player(bool& isNull) { isNull = !m_player; return m_player; }
     const Timing& specifiedTiming() const { return m_timing; }
-    PassRefPtr<TimedItemTiming> timing();
+    PassRefPtrWillBeRawPtr<TimedItemTiming> timing();
     void updateSpecifiedTiming(const Timing&);
 
     // This method returns time in ms as it is unused except via the API.
     double localTime(bool& isNull) const { isNull = !m_player; return ensureCalculated().localTime * 1000; }
     double currentIteration(bool& isNull) const { isNull = !ensureCalculated().isInEffect; return ensureCalculated().currentIteration; }
 
+    virtual void trace(Visitor*);
+
 protected:
-    TimedItem(const Timing&, PassOwnPtr<EventDelegate> = nullptr);
+    explicit TimedItem(const Timing&, PassOwnPtr<EventDelegate> = nullptr);
 
     // When TimedItem receives a new inherited time via updateInheritedTime
     // it will (if necessary) recalculate timings and (if necessary) call
     // updateChildrenAndEffects.
     void updateInheritedTime(double inheritedTime, TimingUpdateReason) const;
     void invalidate() const { m_needsUpdate = true; };
     bool hasEvents() const { return m_eventDelegate; }
     void clearEventDelegate() { m_eventDelegate = nullptr; }
 
-private:
+    virtual void attach(AnimationPlayer* player)
+    {
+        m_player = player;
+    }
+
+    virtual void detach()
+    {
+        ASSERT(m_player);
+        m_player = nullptr;
+    }
 
     double repeatedDuration() const;
 
     virtual void updateChildrenAndEffects() const = 0;
     virtual double intrinsicIterationDuration() const { return 0; };
     virtual double calculateTimeToEffectChange(bool forwards, double localTime, double timeToNextIteration) const = 0;
-    virtual void didAttach() { };
-    virtual void willDetach() { };
-    virtual void specifiedTimingChanged() { };
-
-    void attach(AnimationPlayer* player)
-    {
-        m_player = player;
-        didAttach();
-    };
-
-    void detach()
-    {
-        ASSERT(m_player);
-        willDetach();
-        m_player = 0;
-    };
+    virtual void specifiedTimingChanged() { }
 
     // FIXME: m_parent and m_startTime are placeholders, they depend on timing groups.
-    TimedItem* const m_parent;
+    RawPtrWillBeMember<TimedItem> m_parent;
     const double m_startTime;
-    AnimationPlayer* m_player;
+    RawPtrWillBeMember<AnimationPlayer> m_player;
     Timing m_timing;
     OwnPtr<EventDelegate> m_eventDelegate;
 
     mutable struct CalculatedTiming {
         Phase phase;
         double currentIteration;
         double timeFraction;
         bool isCurrent;
         bool isInEffect;
         bool isInPlay;
         double localTime;
         double timeToForwardsEffectChange;
         double timeToReverseEffectChange;
     } m_calculated;
     mutable bool m_needsUpdate;
     mutable double m_lastUpdateTime;
 
     const CalculatedTiming& ensureCalculated() const;
 };
 
 } // namespace WebCore
 
 #endif