/* ============================================================
 * Authors: Renchi Raju <renchi@pooh.tam.uiuc.edu>
 *         Caulier Gilles <caulier dot gilles at gmail dot com>
 * Date   : 2004-06-04
 * Description : image plugins loader for  digiKam image editor
 *
 * Copyright 2004-2005 by Renchi Raju and Gilles Caulier
 * Copyright 2006-2007 by Gilles Caulier
 * 
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * ============================================================ */

#ifndef IMAGEPLUGINLOADER_H
#define IMAGEPLUGINLOADER_H

// Qt includes.

#include <qobject.h>
#include <qptrlist.h>
#include <qstring.h>
#include <qvaluelist.h>
#include <qpair.h>

// Local includes.

#include "digikam_export.h"
#include "imageplugin.h"

namespace Digikam
{

class SplashScreen;
class ImagePluginLoaderPrivate;

class DIGIKAM_EXPORT ImagePluginLoader : public QObject
{
    
public:

    ImagePluginLoader(QObject *parent, SplashScreen *splash=0);
    ~ImagePluginLoader();

    static ImagePluginLoader* instance();

    QPtrList<ImagePlugin> pluginList();
    void loadPluginsFromList(const QStringList& list);
    
    // Return true if plugin library is loaded in memory.
    // 'libraryName' is internal plugin library name not i18n.
    bool pluginLibraryIsLoaded(const QString& libraryName);
    
    ImagePlugin* pluginInstance(const QString& libraryName);

private:
    
    ImagePlugin* pluginIsLoaded(const QString& name);

private:

    static ImagePluginLoader *m_instance;

    ImagePluginLoaderPrivate *d;
};

}  // namespace Digikam

#endif /* IMAGEPLUGINLOADER_H */
