Source/core/animation/AnimationStack.h

/*
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#ifndef AnimationStack_h
#define AnimationStack_h

#include "core/animation/Animation.h"
#include "core/animation/AnimationEffect.h"
#include "core/animation/AnimationPlayer.h"
#include "core/animation/SampledEffect.h"
#include "wtf/HashSet.h"
#include "wtf/Vector.h"

namespace WebCore {

class InertAnimation;

class AnimationStack {
    DISALLOW_ALLOCATION();
    WTF_MAKE_NONCOPYABLE(AnimationStack);
public:
    AnimationStack();

    void add(PassOwnPtrWillBeRawPtr<SampledEffect> effect) { m_effects.append(effect); }
    bool isEmpty() const { return m_effects.isEmpty(); }
    bool affects(CSSPropertyID) const;
    bool hasActiveAnimationsOnCompositor(CSSPropertyID) const;
    static WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<Interpolation> > activeInterpolations(AnimationStack*, const WillBeHeapVector<RawPtrWillBeMember<InertAnimation> >* newAnimations, const WillBeHeapHashSet<RawPtrWillBeMember<const AnimationPlayer> >* cancelledAnimationPlayers, Animation::Priority, double timelineCurrentTime);

    void trace(Visitor*);

private:
    void simplifyEffects();
    // Effects sorted by priority. Lower priority at the start of the list.
    WillBeHeapVector<OwnPtrWillBeMember<SampledEffect> > m_effects;

    friend class AnimationAnimationStackTest;
};

} // namespace WebCore

#endif