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/***************************************************************************
* Copyright (C) 2006 by Peter Penz *
* [email protected] *
* *
* 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. *
* *
* 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. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef VIEWPROPSAPPLIER_H
#define VIEWPROPSAPPLIER_H
#include <QObject>
#include <kdirlister.h>
class KUrl;
class KDirLister;
class ViewProperties;
/**
* @brief Applies view properties recursively to sub directories.
*
* BIG TODO: This class must be rewritten by inheriting from KJob (see
* also KDirSize as reference). The current implementation gets nuts
* for deep directory hierarchies, as an incredible number of parallel
* KDirLister instances will be created.
*
* Anyhow when writing this class I was not aware about the capabilities
* of the KJob class -> lessons learned ;-)
*/
class ViewPropsApplier : public QObject
{
Q_OBJECT
public:
/**
* @param dir Directory where the view properties should be applied to
* (including sub directories).
* @param viewProps View properties for the directory \a dir including its
* sub directories.
*/
ViewPropsApplier(const KUrl& dir,
const ViewProperties* viewProps = 0);
virtual ~ViewPropsApplier();
signals:
void progress(const KUrl& dir, int count);
void completed();
private slots:
void slotCompleted(const KUrl& dir);
void countSubDirs();
private:
struct RootData {
int refCount;
const ViewProperties* viewProps;
ViewPropsApplier* rootApplier;
};
ViewPropsApplier(const KUrl& dir,
RootData* rootData);
void start(const KUrl& dir);
void emitProgress(const KUrl& dir, int count);
void emitCompleted();
RootData* m_rootData;
KDirLister* m_dirLister;
};
#endif
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