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/***************************************************************************
* Copyright (C) 2009 by Frank Reininghaus ([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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
#ifndef DOLPHINDETAILSVIEWEXPANDER_H
#define DOLPHINDETAILSVIEWEXPANDER_H
#include <QObject>
#include <QSet>
#include <QList>
class DolphinDetailsView;
class KUrl;
class KDirLister;
class DolphinModel;
class DolphinSortFilterProxyModel;
/**
* @brief Expands a given set of subfolders in collaboration with the dir lister and the dir model.
*
* Note that only one subfolder can be expanded at a time. Each expansion triggers KDirLister::openUrl(...),
* and further expansions can only be done the next time the dir lister emits its completed() signal.
*/
class DolphinDetailsViewExpander : public QObject
{
Q_OBJECT
public:
explicit DolphinDetailsViewExpander(DolphinDetailsView* parent,
const QSet<KUrl>& urlsToExpand);
virtual ~DolphinDetailsViewExpander();
/**
* Stops the expansion and deletes the object via deleteLater().
*/
void stop();
private slots:
/**
* This slot is invoked every time the dir lister has completed a listing.
* It expands the first URL from the list m_urlsToExpand that can be found in the dir model.
* If the list is empty, stop() is called.
*/
void slotDirListerCompleted();
signals:
/**
* Is emitted when the expander has finished expanding URLs in the details view.
*/
void completed();
private:
QList<KUrl> m_urlsToExpand;
DolphinDetailsView* m_detailsView;
const KDirLister* m_dirLister;
const DolphinModel* m_dolphinModel;
const DolphinSortFilterProxyModel* m_proxyModel;
};
#endif
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