/******************************************************************************
 * QSkinny - Copyright (C) 2016 Uwe Rathmann
 *           SPDX-License-Identifier: BSD-3-Clause
 *****************************************************************************/

#ifndef QSK_VARIANT_ANIMATOR_H
#define QSK_VARIANT_ANIMATOR_H

#include "QskAnimator.h"
#include <qvariant.h>

class QSK_EXPORT QskVariantAnimator : public QskAnimator
{
  public:
    QskVariantAnimator();
    ~QskVariantAnimator() override;

    void setCurrentValue( const QVariant& );
    QVariant currentValue() const;

    void setStartValue( const QVariant& );
    QVariant startValue() const;

    void setEndValue( const QVariant& );
    QVariant endValue() const;

    static bool maybeInterpolate( const QVariant&, const QVariant& );
    static bool convertValues( QVariant&, QVariant& );

  protected:
    void setup() override;
    void advance( qreal value ) override;
    void done() override;

  private:
    QVariant m_startValue;
    QVariant m_endValue;
    QVariant m_currentValue;

    void ( *m_interpolator )();
};

inline QVariant QskVariantAnimator::startValue() const
{
    return m_startValue;
}

inline QVariant QskVariantAnimator::endValue() const
{
    return m_endValue;
}

inline QVariant QskVariantAnimator::currentValue() const
{
    return m_currentValue;
}

#endif