interface.h

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/* ============================================================
 *
 * This file is a part of kipi-plugins project
 * http://www.kipi-plugins.org
 *
 * Date        : 2004-02-01
 * Description : interface for host application.
 *
 * Copyright (C) 2004-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
 * Copyright (C) 2004-2005 by Renchi Raju <renchi.raju at kdemail.net>
 * Copyright (C) 2004-2005 by Jesper K. Pedersen <blackie at kde.org>
 * Copyright (C) 2004-2005 by Aurelien Gateau <aurelien dot gateau at free.fr>
 *
 * 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 KIPI_INTERFACE_H
#define KIPI_INTERFACE_H
 
// Qt includes.
 
#include <qstring.h>
#include <qobject.h>
 
// KDE includes.
 
#include <kurl.h>
 
// Local includes.
 
#include "libkipi/imagecollection.h"
#include "libkipi/imageinfo.h"
#include "libkipi/libkipi_export.h"
 
namespace KIPI
{
    enum Features 
    {
        AlbumsHaveComments         = 1 << 0,
        ImagesHasComments          = 1 << 1,
        ImagesHasTime              = 1 << 2,
        SupportsDateRanges         = 1 << 3,
        AcceptNewImages            = 1 << 4,
        ImageTitlesWritable        = 1 << 5,
        AlbumsHaveCategory         = 1 << 6,
        AlbumsHaveCreationDate     = 1 << 7,
        AlbumsUseFirstImagePreview = 1 << 8,
        HostSupportsTags           = 1 << 9
    };
 
    class LIBKIPI_EXPORT Interface : public QObject
    {
        Q_OBJECT
 
    public:
 
        Interface(QObject *parent, const char *name=0);
        virtual ~Interface();
 
        virtual ImageCollection currentAlbum() = 0;
        virtual ImageCollection currentSelection() = 0;
        virtual QValueList<ImageCollection> allAlbums() = 0;
 
        virtual ImageInfo info( const KURL& ) = 0;
        virtual bool addImage( const KURL&, QString& err );
        virtual void delImage( const KURL& );
 
        virtual void refreshImages( const KURL::List& );
 
        virtual QString fileExtensions();
 
        bool hasFeature( KIPI::Features feature );
 
        static QString version();
 
    signals:
 
        void selectionChanged( bool hasSelection );
        void currentAlbumChanged( bool anyAlbum );
 
    protected:
 
        virtual int features() const = 0;
 
    private:
 
        friend class PluginLoader;
        bool hasFeature( const QString& feature );
    };
}
 
#endif /* KIPI_INTERFACE_H */