/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
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** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QLISTMODELINTERFACE_H
#define QLISTMODELINTERFACE_H

#include <QtCore/QHash>
#include <QtCore/QVariant>

#include <private/qtdeclarativeglobal_p.h>

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class Q_DECLARATIVE_PRIVATE_EXPORT QListModelInterface : public QObject
{
    Q_OBJECT
 public:
    QListModelInterface(QObject *parent = 0) : QObject(parent) {}
    virtual ~QListModelInterface() {}

    virtual int count() const = 0;
    virtual QVariant data(int index, int role) const = 0;

    virtual QList<int> roles() const = 0;
    virtual QString toString(int role) const = 0;

 Q_SIGNALS:
    void itemsInserted(int index, int count);
    void itemsRemoved(int index, int count);
    void itemsMoved(int from, int to, int count);
    void itemsChanged(int index, int count, const QList<int> &roles);

 protected:
    QListModelInterface(QObjectPrivate &dd, QObject *parent)
        : QObject(dd, parent) {}
};


QT_END_NAMESPACE

#endif //QTREEMODELINTERFACE_H
