kpreviewwidgetbase.h

/* This file is part of the KDE libraries
 * Copyright (C) 2001 Frerich Raabe <raabe@kde.org>
 *               2003 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 __KPREVIEWWIDGETBASE_H__
#define __KPREVIEWWIDGETBASE_H__
 
#include <tqptrdict.h>
#include <tqwidget.h>
 
#include <tdelibs_export.h>
 
class KURL;
 
class TDEIO_EXPORT KPreviewWidgetBase : public TQWidget
{
    TQ_OBJECT
 
public:
    KPreviewWidgetBase(TQWidget *parent, const char *name=0);
    ~KPreviewWidgetBase();
 
public slots:
    virtual void showPreview(const KURL &url) = 0;
 
    virtual void clearPreview() = 0;
 
    TQStringList supportedMimeTypes() const;
 
protected:
    void setSupportedMimeTypes( const TQStringList& mimeTypes );
 
protected:
    virtual void virtual_hook( int, void* ) {};
 
private:
    class KPreviewWidgetBasePrivate;
    KPreviewWidgetBasePrivate * d() const {
        return s_private->find( const_cast<KPreviewWidgetBase*>( this ) );
    }
    static TQPtrDict<KPreviewWidgetBasePrivate> * s_private;
};
 
#endif