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#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"