Source/core/animation/AnimationStack.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 */

#ifndef AnimationStack_h
#define AnimationStack_h

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

namespace WebCore {

class InertAnimation;

class AnimationStack {

public:
    void add(Animation* animation) { m_activeAnimations.append(animation); }
    void remove(Animation* animation)
    {
        size_t position = m_activeAnimations.find(animation);
        ASSERT(position != kNotFound);
        m_activeAnimations.remove(position);
    }
    bool isEmpty() const { return m_activeAnimations.isEmpty(); }
    bool affects(CSSPropertyID) const;
    bool hasActiveAnimationsOnCompositor(CSSPropertyID) const;
    static AnimationEffect::CompositableValueMap compositableValues(const AnimationStack*, const Vector<InertAnimation*>* newAnimations, const HashSet<const Player*>* cancelledPlayers, Animation::Priority);

private:
    Vector<Animation*> m_activeAnimations;
};

} // namespace WebCore

#endif