/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#include "custompropertyanimation.h"

// Qt
#include <QtCore/qdebug.h>

CustomPropertyAnimation::CustomPropertyAnimation(QObject *parent) :
    QVariantAnimation(parent), animProp(0)
{
}

CustomPropertyAnimation::~CustomPropertyAnimation()
{
}

void CustomPropertyAnimation::setProperty(AbstractProperty *_animProp)
{
    if (animProp == _animProp)
        return;
    delete animProp;
    animProp = _animProp;
}

/*!
    \reimp
 */
void CustomPropertyAnimation::updateCurrentValue(const QVariant &value)
{
    if (!animProp || state() == QAbstractAnimation::Stopped)
        return;

    animProp->write(value);
}


/*!
    \reimp
*/
void CustomPropertyAnimation::updateState(QAbstractAnimation::State oldState, QAbstractAnimation::State newState)
{
    // Initialize start value
    if (oldState == QAbstractAnimation::Stopped) {
        if (!animProp)
            return;
        QVariant def = animProp->read();
        if (def.isValid()) {
            const int t = def.userType();
            KeyValues values = keyValues();
            //this ensures that all the keyValues are of type t
            for (int i = 0; i < values.count(); ++i) {
                QVariantAnimation::KeyValue &pair = values[i];
                if (pair.second.userType() != t)
                    pair.second.convert(static_cast<QVariant::Type>(t));
            }
            //let's now update the key values
            setKeyValues(values);
        }

        if (animProp && !startValue().isValid() && currentTime() == 0
            || (currentTime() == duration() && currentLoop() == (loopCount() - 1))) {
                setStartValue(def);
        }
    }

    QVariantAnimation::updateState(oldState, newState);
}

#include "moc_custompropertyanimation.cpp"