/***************************************************************************
                   krpreviewjob.h
                 -------------------
copyright            : (C) 2009 by Jan Lepper
e-mail               : krusader@users.sourceforge.net
web site             : http://krusader.sourceforge.net
---------------------------------------------------------------------------
Description
***************************************************************************

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                                         H e a d e r    F i l e

***************************************************************************
*                                                                         *
*   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 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
***************************************************************************/

#ifndef KRPREVIEWJOB_H
#define KRPREVIEWJOB_H

// QtCore
#include <QVector>
#include <QHash>
#include <QTimer>
// QtGui
#include <QPixmap>

#include <KIO/PreviewJob>
#include <KIOCore/KFileItem>

#include "krpreviews.h"

class KrViewItem;
class KrPreviews;

class KrPreviewJob : public KJob
{
friend class KrPreviews;
    Q_OBJECT
public:
    virtual void start() Q_DECL_OVERRIDE {}

protected slots:
    void slotStartJob();
    void slotJobResult(KJob *job);
    void slotGotPreview(const KFileItem & item, const QPixmap & preview);
    void slotFailed(const KFileItem & item);

protected:
    QList<KrViewItem*> _scheduled;
    QHash<const KFileItem, KrViewItem*> _hash;
    KIO::PreviewJob *_job;
    QTimer _timer;
    KrPreviews *_parent;

    explicit KrPreviewJob(KrPreviews *parent);
    ~KrPreviewJob();
    void scheduleItem(KrViewItem *item);
    void removeItem(KrViewItem *item);

    void sort();
    virtual bool doKill() Q_DECL_OVERRIDE;
};

#endif // __krpreviewjob__
