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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the Qt Designer 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.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef ABSTRACTPROMOTIONINTERFACE_H
#define ABSTRACTPROMOTIONINTERFACE_H

#include <QtDesigner/sdk_global.h>

#include <QtCore/QPair>
#include <QtCore/QList>
#include <QtCore/QSet>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QDesignerWidgetDataBaseItemInterface;

class QDESIGNER_SDK_EXPORT QDesignerPromotionInterface
{
public:
    virtual ~QDesignerPromotionInterface();

    struct PromotedClass {
        QDesignerWidgetDataBaseItemInterface *baseItem;
        QDesignerWidgetDataBaseItemInterface *promotedItem;
    };

    typedef QList<PromotedClass> PromotedClasses;

    virtual PromotedClasses promotedClasses() const = 0;

    virtual QSet<QString> referencedPromotedClassNames()  const = 0;

    virtual bool addPromotedClass(const QString &baseClass,
                                  const QString &className,
                                  const QString &includeFile,
                                  QString *errorMessage) = 0;

    virtual bool removePromotedClass(const QString &className, QString *errorMessage) = 0;

    virtual bool changePromotedClassName(const QString &oldClassName, const QString &newClassName, QString *errorMessage) = 0;

    virtual bool setPromotedClassIncludeFile(const QString &className, const QString &includeFile, QString *errorMessage) = 0;

    virtual QList<QDesignerWidgetDataBaseItemInterface *> promotionBaseClasses() const = 0;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // ABSTRACTPROMOTIONINTERFACE_H