historyprovider.h

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/* This file is part of the KDE project
   Copyright (C) 2001 Carsten Pfeiffer <pfeiffer@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef KHISTORYPROVIDER_H
#define KHISTORYPROVIDER_H

#include <QtCore/QObject>

#include <kparts/kparts_export.h>

namespace KParts {

class HistoryProviderPrivate;

class KPARTS_EXPORT HistoryProvider : public QObject
{
    Q_OBJECT
    friend class ::KParts::HistoryProviderPrivate;

public:
    static HistoryProvider * self();

    static bool exists();

    virtual bool contains( const QString& item ) const;

    virtual void insert( const QString& item );

    virtual void remove( const QString& item );

    virtual void clear();

Q_SIGNALS:
    void cleared();

    void updated( const QStringList& items );

    void inserted( const QString& item );

protected:
    HistoryProvider(QObject *parent = 0);

    virtual ~HistoryProvider();

private:
    HistoryProviderPrivate* const d;
};

}

#endif // KHISTORYPROVIDER_H