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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (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 Technology Preview License Agreement accompanying

** this package.

**

** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

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**

**

**

**

** $QT_END_LICENSE$

**

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

#ifndef QDECLARATIVELIST_H

#define QDECLARATIVELIST_H

#include <QtCore/qglobal.h>

#include <QtCore/qlist.h>

#include <QtCore/qvariant.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QObject;

struct QMetaObject;

#ifndef QDECLARATIVELISTPROPERTY

#define QDECLARATIVELISTPROPERTY

template<typename T>

class QDeclarativeListProperty {

public:

    typedef void (*AppendFunction)(QDeclarativeListProperty<T> *, T*);

    typedef int (*CountFunction)(QDeclarativeListProperty<T> *);

    typedef T *(*AtFunction)(QDeclarativeListProperty<T> *, int);

    typedef void (*ClearFunction)(QDeclarativeListProperty<T> *);

    QDeclarativeListProperty()

        : object(0), data(0), append(0), count(0), at(0), clear(0), dummy1(0), dummy2(0) {}

    QDeclarativeListProperty(QObject *o, QList<T *> &list)

        : object(o), data(&list), append(qlist_append), count(qlist_count), at(qlist_at),

          clear(qlist_clear), dummy1(0), dummy2(0) {}

    QDeclarativeListProperty(QObject *o, void *d, AppendFunction a, CountFunction c = 0, AtFunction t = 0,

                    ClearFunction r = 0)

        : object(o), data(d), append(a), count(c), at(t), clear(r), dummy1(0), dummy2(0) {}

    bool operator==(const QDeclarativeListProperty &o) const {

        return object == o.object &&

               data == o.data &&

               append == o.append &&

               count == o.count &&

               at == o.at &&

               clear == o.clear;

    }

    QObject *object;

    void *data;

    AppendFunction append;

    CountFunction count;

    AtFunction at;

    ClearFunction clear;

    void *dummy1;

    void *dummy2;

private:

    static void qlist_append(QDeclarativeListProperty *p, T *v) {

        ((QList<T *> *)p->data)->append(v);

    }

    static int qlist_count(QDeclarativeListProperty *p) {

        return ((QList<T *> *)p->data)->count();

    }

    static T *qlist_at(QDeclarativeListProperty *p, int idx) {

        return ((QList<T *> *)p->data)->at(idx);

    }

    static void qlist_clear(QDeclarativeListProperty *p) {

        return ((QList<T *> *)p->data)->clear();

    }

};

#endif

class QDeclarativeEngine;

class QDeclarativeListReferencePrivate;

class Q_DECLARATIVE_EXPORT QDeclarativeListReference

{

public:

    QDeclarativeListReference();

    QDeclarativeListReference(QObject *, const char *property, QDeclarativeEngine * = 0);

    QDeclarativeListReference(const QDeclarativeListReference &);

    QDeclarativeListReference &operator=(const QDeclarativeListReference &);

    ~QDeclarativeListReference();

    bool isValid() const;

    QObject *object() const;

    const QMetaObject *listElementType() const;

    bool canAppend() const;

    bool canAt() const;

    bool canClear() const;

    bool canCount() const;

    bool append(QObject *) const;

    QObject *at(int) const;

    bool clear() const;

    int count() const;

private:

    friend class QDeclarativeListReferencePrivate;

    QDeclarativeListReferencePrivate* d;

};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QDeclarativeListReference)

QT_END_HEADER

#endif // QDECLARATIVELIST_H