/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the QtDeclarative 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 "qmlvmemetaobject_p.h"
#include <qml.h>
#include <private/qmlrefcount_p.h>
#include <QColor>
#include <QDate>


QT_BEGIN_NAMESPACE
QmlVMEMetaObject::QmlVMEMetaObject(QObject *obj,
                                       const QMetaObject *other, 
                                       QmlRefCount *rc)
: object(obj), ref(rc)
{
    if (ref)
        ref->addref();

    *static_cast<QMetaObject *>(this) = *other;
    this->d.superdata = obj->metaObject();
    QObjectPrivate::get(obj)->metaObject = this;

    baseProp = propertyOffset();
    baseSig = methodOffset();
    data = new QVariant[propertyCount() - baseProp];
    vTypes.resize(propertyCount() - baseProp);

    for (int ii = baseProp; ii < propertyCount(); ++ii) {
        QMetaProperty prop = property(ii);
        if ((int)prop.type() != -1) {
            data[ii - baseProp] = QVariant((QVariant::Type)prop.userType());
        } else {
            vTypes.setBit(ii - baseProp, true);
        }
    }
}

QmlVMEMetaObject::~QmlVMEMetaObject()
{
    if (ref)
        ref->release();
    delete [] data;
}

int QmlVMEMetaObject::metaCall(QMetaObject::Call c, int id, void **a)
{
    if (id >= baseProp) {
        int propId = id - baseProp;
        bool needActivate = false;

        if (vTypes.testBit(propId)) {
            if (c == QMetaObject::ReadProperty) {
                *reinterpret_cast<QVariant *>(a[0]) = data[propId];
            } else if (c == QMetaObject::WriteProperty) {
                needActivate = 
                    (data[propId] != *reinterpret_cast<QVariant *>(a[0]));
                data[propId] = *reinterpret_cast<QVariant *>(a[0]);
            }
        } else {
            if (c == QMetaObject::ReadProperty) {
                switch(data[propId].type()) {
                case QVariant::Int:
                    *reinterpret_cast<int *>(a[0]) = data[propId].toInt();
                    break;
                case QVariant::Bool:
                    *reinterpret_cast<bool *>(a[0]) = data[propId].toBool();
                    break;
                case QVariant::Double:
                    *reinterpret_cast<double *>(a[0]) = data[propId].toDouble();
                    break;
                case QVariant::String:
                    *reinterpret_cast<QString *>(a[0]) = data[propId].toString();
                    break;
                case QVariant::Color:
                    *reinterpret_cast<QColor *>(a[0]) = data[propId].value<QColor>();
                    break;
                case QVariant::Date:
                    *reinterpret_cast<QDate *>(a[0]) = data[propId].toDate();
                    break;
                default:
                    qFatal("Unknown type");
                    break;
                }
            } else if (c == QMetaObject::WriteProperty) {

                QVariant value = QVariant((QVariant::Type)data[propId].type(), a[0]); 
                needActivate = (data[propId] != value);
                data[propId] = value;
            }
        }

        if (c == QMetaObject::WriteProperty && needActivate) {
            activate(object, baseSig + propId, 0);
        }

        return id;
    } else {
        return object->qt_metacall(c, id, a);
    }
}
QT_END_NAMESPACE