bool SharedProperties::addObject(const QString &key, QObject *object, const QByteArray &propertyName)
{
    Q_D(SharedProperties);

    QString longKey = ::longKey(d->group, key);

    const QMetaObject *metaObject = object->metaObject();
    int propertyId = metaObject->indexOfProperty(propertyName.constData());

    if (propertyId == -1) {
        qWarning() << "SharedProperties::addObject :" << "Object" << object << "doesn't have property" << propertyName;
        return false;
    }

    Property propertyKey(object, propertyId);
    d->mapKeyToProperty.insert(longKey, propertyKey);

    QMetaProperty metaProperty = metaObject->property(propertyId);
    metaProperty.write(object, value(longKey));

    int notifierId = metaProperty.notifySignalIndex();
    if (notifierId == -1) {
        qWarning() << "SharedProperties::addObject :" << "Property" << propertyName << "doesn't have notifier signal";
        return false;
    }

    Notifier notifierKey(object, notifierId);
    d->mapNotifierToKey.insert(notifierKey, longKey);
    QMetaMethod notifierMethod = metaObject->method(notifierId);

    const QMetaObject *thisMetaObject = this->metaObject();
    int handlerId = thisMetaObject->indexOfSlot(OnValueChangedSlot);
    QMetaMethod handlerMethod = thisMetaObject->method(handlerId);

    connect(object, notifierMethod, this, handlerMethod);

    return true;
}