kfilepreviewgenerator.h

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/*******************************************************************************
 *   Copyright (C) 2008-2009 by Peter Penz <peter.penz@gmx.at>                 *
 *                                                                             *
 *   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 KFILEPREVIEWGENERATOR_H
#define KFILEPREVIEWGENERATOR_H

#include <kfile_export.h>

#include <QtCore/QObject>

class KAbstractViewAdapter;
class KDirModel;
class QAbstractItemView;
class QAbstractProxyModel;

class KFILE_EXPORT KFilePreviewGenerator : public QObject
{
    Q_OBJECT

public:
    KFilePreviewGenerator(QAbstractItemView* parent);

    KFilePreviewGenerator(KAbstractViewAdapter* parent, QAbstractProxyModel* model);

    virtual ~KFilePreviewGenerator();

    void setPreviewShown(bool show);
    bool isPreviewShown() const;

    void updatePreviews();

    void updateIcons();

    void cancelPreviews();

    void setEnabledPlugins(const QStringList& list);

    QStringList enabledPlugins() const;

private:
    class Private;
    Private* const d; 
    class LayoutBlocker;
    class TileSet;

    Q_DISABLE_COPY(KFilePreviewGenerator)

    Q_PRIVATE_SLOT(d, void updateIcons(const KFileItemList&))
    Q_PRIVATE_SLOT(d, void updateIcons(const QModelIndex&, const QModelIndex&))
    Q_PRIVATE_SLOT(d, void addToPreviewQueue(const KFileItem&, const QPixmap&))
    Q_PRIVATE_SLOT(d, void slotPreviewJobFinished(KJob*))
    Q_PRIVATE_SLOT(d, void updateCutItems())
    Q_PRIVATE_SLOT(d, void dispatchIconUpdateQueue())
    Q_PRIVATE_SLOT(d, void pauseIconUpdates())
    Q_PRIVATE_SLOT(d, void resumeIconUpdates())
    Q_PRIVATE_SLOT(d, void resolveMimeType())
    Q_PRIVATE_SLOT(d, void requestSequenceIcon(const QModelIndex&, int))
    Q_PRIVATE_SLOT(d, void delayedIconUpdate())
    Q_PRIVATE_SLOT(d, void rowsAboutToBeRemoved(const QModelIndex&, int, int))
};

#endif