root/Source/core/animation/AnimatableRepeatable.h

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#ifndef AnimatableRepeatable_h
#define AnimatableRepeatable_h

#include "core/animation/AnimatableValue.h"
#include "wtf/Vector.h"

namespace WebCore {

// This class represents collections of values that animate in a repeated fashion as described by the CSS Transitions spec:
// http://www.w3.org/TR/css3-transitions/#animtype-repeatable-list
class AnimatableRepeatable : public AnimatableValue {
public:
    virtual ~AnimatableRepeatable() { }

    // This will consume the vector passed into it.
    static PassRefPtrWillBeRawPtr<AnimatableRepeatable> create(WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& values)
    {
        return adoptRefWillBeNoop(new AnimatableRepeatable(values));
    }

    const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& values() const { return m_values; }

    virtual void trace(Visitor*) OVERRIDE;

protected:
    AnimatableRepeatable()
    {
    }
    AnimatableRepeatable(WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& values)
    {
        ASSERT(!values.isEmpty());
        m_values.swap(values);
    }

    static bool interpolateLists(const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& fromValues, const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& toValues, double fraction, WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> >& interpolatedValues);

    virtual bool usesDefaultInterpolationWith(const AnimatableValue*) const OVERRIDE;

    WillBeHeapVector<RefPtrWillBeMember<AnimatableValue> > m_values;

private:
    virtual PassRefPtrWillBeRawPtr<AnimatableValue> interpolateTo(const AnimatableValue*, double fraction) const OVERRIDE;
    virtual PassRefPtrWillBeRawPtr<AnimatableValue> addWith(const AnimatableValue*) const OVERRIDE FINAL;

    virtual AnimatableType type() const OVERRIDE { return TypeRepeatable; }
    virtual bool equalTo(const AnimatableValue*) const OVERRIDE FINAL;
};

DEFINE_TYPE_CASTS(AnimatableRepeatable, AnimatableValue, value, (value->isRepeatable() || value->isStrokeDasharrayList()), (value.isRepeatable() || value.isStrokeDasharrayList()));

} // namespace WebCore

#endif // AnimatableRepeatable_h

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