/* This file is part of the KDE project
   Copyright (C) 2003 Daniel Molkentin <molkentin@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., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
 */
#ifndef  SIDEBAREXTENSION_H
#define  SIDEBAREXTENSION_H

#include <qobject.h>

class QWidget;

namespace KParts
{

  class ReadOnlyPart;

  /**
   * Provides a way to export a widget which will be displayed in Kontacts
   * stackview at the left
   **/
  class SideBarExtension : public QObject
  {
    Q_OBJECT

    public:
      /**
       * Constucts a SideBarExtension.
       *
       * @param exported A @ref QWidget derived widget that will be provided for the 
       *                 users of SideBarExtension.
       * @param parent   The parent widget.
       * @param name     The name of the class.
       **/
      SideBarExtension(QWidget *exported, KParts::ReadOnlyPart *parent, const char* name);
      ~SideBarExtension();

      /**
       * Retrieve a pointer to the widget. May be 0 if 0 was passed in the constructor
       **/
      QWidget* widget() const { return m_exported; };

    private:
      QWidget* m_exported;

      class SideBarExtensionPrivate;
      SideBarExtensionPrivate *d;
  };
}
#endif // SIDEBAREXTENSION_H 

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