Source/core/animation/CompositorPendingAnimations.h

/*
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#ifndef CompositorPendingAnimations_h
#define CompositorPendingAnimations_h

#include "platform/heap/Handle.h"
#include "wtf/Vector.h"

namespace blink {

class AnimationPlayer;

// Manages the starting of pending animations on the compositor following a
// compositing update.
// For CSS Animations, used to synchronize the start of main-thread animations
// with compositor animations when both classes of CSS Animations are triggered
// by the same recalc
class CompositorPendingAnimations FINAL {
    DISALLOW_ALLOCATION();
public:
    void add(AnimationPlayer*);
    // Returns whether we are waiting for an animation to start and should
    // service again on the next frame.
    bool startPendingAnimations();
    void notifyCompositorAnimationStarted(double monotonicAnimationStartTime);

    void trace(Visitor*);

private:
    WillBeHeapVector<RefPtrWillBeMember<AnimationPlayer> > m_pending;
    WillBeHeapVector<RefPtrWillBeMember<AnimationPlayer> > m_waitingForCompositorAnimationStart;
};

} // namespace blink

#endif