xref: /external/chromium_org/third_party/WebKit/Source/core/animation/animatable/AnimatableLength.h

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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#ifndef AnimatableLength_h
#define AnimatableLength_h

#include "core/animation/animatable/AnimatableValue.h"
#include "platform/Length.h"

namespace blink {

class AnimatableLength FINAL : public AnimatableValue {
public:
    static PassRefPtrWillBeRawPtr<AnimatableLength> create(const Length& length, float zoom)
    {
        return adoptRefWillBeNoop(new AnimatableLength(length, zoom));
    }
    Length length(float zoom, ValueRange) const;

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

private:
    static PassRefPtrWillBeRawPtr<AnimatableLength> create(double pixels, double percent, bool hasPixels, bool hasPercent)
    {
        return adoptRefWillBeNoop(new AnimatableLength(pixels, percent, hasPixels, hasPercent));
    }
    AnimatableLength(const Length&, float zoom);
    AnimatableLength(double pixels, double percent, bool hasPixels, bool hasPercent)
        : m_pixels(pixels)
        , m_percent(percent)
        , m_hasPixels(hasPixels)
        , m_hasPercent(hasPercent)
    {
        ASSERT(m_hasPixels || m_hasPercent);
    }
    virtual AnimatableType type() const OVERRIDE { return TypeLength; }
    virtual bool equalTo(const AnimatableValue*) const OVERRIDE;

    virtual void trace(Visitor* visitor) OVERRIDE { AnimatableValue::trace(visitor); }

    double m_pixels;
    double m_percent;
    bool m_hasPixels;
    bool m_hasPercent;
};

DEFINE_ANIMATABLE_VALUE_TYPE_CASTS(AnimatableLength, isLength());

} // namespace blink

#endif // AnimatableLength_h