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84 lines
2.2 KiB
84 lines
2.2 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2004-11-17
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* Description : Albums history manager.
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*
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* Copyright (C) 2004 by Joern Ahrens <joern.ahrens@kdemail.net>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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#ifndef ALBUMHISTORY_H
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#define ALBUMHISTORY_H
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/** @file albumhistory.h */
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// TQt includes.
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#include <tqobject.h>
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#include <tqvaluelist.h>
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#include <tqstringlist.h>
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namespace Digikam
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{
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class Album;
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class HistoryItem;
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/**
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* Manages the history of the last visited albums.
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*
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* The user is able to navigate through the albums, he has
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* opened during a session.
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*/
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class AlbumHistory : public TQObject
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{
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TQ_OBJECT
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public:
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AlbumHistory();
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~AlbumHistory();
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void addAlbum(Album *album, TQWidget *widget = 0);
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void deleteAlbum(Album *album);
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void clearHistory();
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void back(Album **album, TQWidget **widget, unsigned int steps=1);
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void forward(Album **album, TQWidget **widget, unsigned int steps=1);
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void getCurrentAlbum(Album **album, TQWidget **widget) const;
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void getBackwardHistory(TQStringList &list) const;
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void getForwardHistory(TQStringList &list) const;
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bool isForwardEmpty() const;
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bool isBackwardEmpty() const;
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private:
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HistoryItem* getCurrentAlbum() const;
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void forward(unsigned int steps=1);
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typedef TQValueList<HistoryItem*> AlbumStack;
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AlbumStack *m_backwardStack;
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AlbumStack *m_forwardStack;
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bool m_moving;
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};
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} // namespace Digikam
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#endif /* ALBUMHISTORY_H */
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