Source/core/animation/AnimatableLengthBox.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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#ifndef AnimatableLengthBox_h
#define AnimatableLengthBox_h

#include "core/animation/AnimatableValue.h"

namespace WebCore {

class AnimatableLengthBox FINAL : public AnimatableValue {
public:
    virtual ~AnimatableLengthBox() { }
    static PassRefPtrWillBeRawPtr<AnimatableLengthBox> create(PassRefPtrWillBeRawPtr<AnimatableValue> left, PassRefPtrWillBeRawPtr<AnimatableValue> right, PassRefPtrWillBeRawPtr<AnimatableValue> top, PassRefPtrWillBeRawPtr<AnimatableValue> bottom)
    {
        return adoptRefWillBeNoop(new AnimatableLengthBox(left, right, top, bottom));
    }
    const AnimatableValue* left() const { return m_left.get(); }
    const AnimatableValue* right() const { return m_right.get(); }
    const AnimatableValue* top() const { return m_top.get(); }
    const AnimatableValue* bottom() const { return m_bottom.get(); }

    virtual void trace(Visitor*) OVERRIDE;

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

private:
    AnimatableLengthBox(PassRefPtrWillBeRawPtr<AnimatableValue> left, PassRefPtrWillBeRawPtr<AnimatableValue> right, PassRefPtrWillBeRawPtr<AnimatableValue> top, PassRefPtrWillBeRawPtr<AnimatableValue> bottom)
        : m_left(left)
        , m_right(right)
        , m_top(top)
        , m_bottom(bottom)
    {
    }
    virtual AnimatableType type() const OVERRIDE { return TypeLengthBox; }
    virtual bool equalTo(const AnimatableValue*) const OVERRIDE;

    RefPtrWillBeMember<AnimatableValue> m_left;
    RefPtrWillBeMember<AnimatableValue> m_right;
    RefPtrWillBeMember<AnimatableValue> m_top;
    RefPtrWillBeMember<AnimatableValue> m_bottom;
};

DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableLengthBox, isLengthBox());

} // namespace WebCore

#endif // AnimatableLengthBox_h