sky/engine/core/animation/AnimationStack.h

/*
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#ifndef SKY_ENGINE_CORE_ANIMATION_ANIMATIONSTACK_H_
#define SKY_ENGINE_CORE_ANIMATION_ANIMATIONSTACK_H_

#include "sky/engine/core/animation/Animation.h"
#include "sky/engine/core/animation/AnimationEffect.h"
#include "sky/engine/core/animation/AnimationPlayer.h"
#include "sky/engine/core/animation/SampledEffect.h"
#include "sky/engine/platform/geometry/FloatBox.h"
#include "sky/engine/wtf/HashSet.h"
#include "sky/engine/wtf/Vector.h"

namespace blink {

class InertAnimation;

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

    void add(PassOwnPtr<SampledEffect> effect) { m_effects.append(effect); }
    bool isEmpty() const { return m_effects.isEmpty(); }
    bool affects(CSSPropertyID) const;
    static HashMap<CSSPropertyID, RefPtr<Interpolation> > activeInterpolations(AnimationStack*, const Vector<RawPtr<InertAnimation> >* newAnimations, const HashSet<RawPtr<const AnimationPlayer> >* cancelledAnimationPlayers, Animation::Priority, double timelineCurrentTime);

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

    friend class AnimationAnimationStackTest;
};

} // namespace blink

#endif  // SKY_ENGINE_CORE_ANIMATION_ANIMATIONSTACK_H_