/****************************************************************************

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** This file is part of the QtDeclarative module of the Qt Toolkit.

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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** 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

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****************************************************************************/

#include "private/qdeclarativeproxymetaobject_p.h"

QT_BEGIN_NAMESPACE

QDeclarativeProxyMetaObject::QDeclarativeProxyMetaObject(QObject *obj, QList<ProxyData> *mList)

: metaObjects(mList), proxies(0), parent(0), object(obj)

{

    *static_cast<QMetaObject *>(this) = *metaObjects->first().metaObject;

    QObjectPrivate *op = QObjectPrivate::get(obj);

    if (op->metaObject)

        parent = static_cast<QAbstractDynamicMetaObject*>(op->metaObject);

    op->metaObject = this;

}

QDeclarativeProxyMetaObject::~QDeclarativeProxyMetaObject()

{

    if (parent)

        delete parent;

    parent = 0;

    if (proxies)

        delete [] proxies;

    proxies = 0;

}

int QDeclarativeProxyMetaObject::metaCall(QMetaObject::Call c, int id, void **a)

{

    if ((c == QMetaObject::ReadProperty ||

        c == QMetaObject::WriteProperty) &&

            id >= metaObjects->last().propertyOffset) {

        for (int ii = 0; ii < metaObjects->count(); ++ii) {

            const ProxyData &data = metaObjects->at(ii);

            if (id >= data.propertyOffset) {

                if (!proxies) {

                    proxies = new QObject*[metaObjects->count()];

                    ::memset(proxies, 0, 

                             sizeof(QObject *) * metaObjects->count());

                }

                if (!proxies[ii]) {

                    QObject *proxy = data.createFunc(object);

                    const QMetaObject *metaObject = proxy->metaObject();

                    proxies[ii] = proxy;

                    int localOffset = data.metaObject->methodOffset();

                    int methodOffset = metaObject->methodOffset();

                    int methods = metaObject->methodCount() - methodOffset;

                    // ### - Can this be done more optimally?

                    for (int jj = 0; jj < methods; ++jj) {

                        QMetaMethod method = 

                            metaObject->method(jj + methodOffset);

                        if (method.methodType() == QMetaMethod::Signal)

                            QMetaObject::connect(proxy, methodOffset + jj,

                                                 object, localOffset + jj);

                    }

                }

                int proxyOffset = proxies[ii]->metaObject()->propertyOffset();

                int proxyId = id - data.propertyOffset + proxyOffset;

                return proxies[ii]->qt_metacall(c, proxyId, a);

            }

        }

    } else if (c == QMetaObject::InvokeMetaMethod &&

               id >= metaObjects->last().methodOffset) {

        QMetaMethod m = object->metaObject()->method(id);

        if (m.methodType() == QMetaMethod::Signal) {

            QMetaObject::activate(object, id, a);

            return -1;

        }

    }

    if (parent)

        return parent->metaCall(c, id, a);

    else

        return object->qt_metacall(c, id, a);

}

QT_END_NAMESPACE