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/*
Copyright (C) 2006-2010 Tuomas Suutari <thsuut@utu.fi>
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 (see the file COPYING); if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
#ifndef SQLIMAGEINFOCOLLECTION_H
#define SQLIMAGEINFOCOLLECTION_H
#include "DB/ImageInfoPtr.h"
#include "QueryHelper.h"
#include "DB/Id.h"
#include <qobject.h>
#include <qmap.h>
//#include <qmutex.h>
namespace DB { class Category; }
namespace SQLDB {
class SQLImageInfoCollection: public QObject
{
Q_OBJECT
public:
explicit SQLImageInfoCollection(QueryHelper& queryHelper);
~SQLImageInfoCollection();
DB::ImageInfoPtr getImageInfoOf(const QString& relativeFilename) const;
DB::ImageInfoPtr getImageInfoOf(const DB::Id& id) const;
QString filenameForId(DB::RawId id) const;
void setLock(const DB::ImageSearchInfo& scope, bool invert=false);
void unsetLock();
void clearCache();
public slots:
void deleteTag(DB::Category* category, const QString& item);
void renameTag(DB::Category* category,
const QString& oldName, const QString& newName);
protected:
void setLocking(DB::ImageInfoPtr p) const;
void updateLockingInfo() const;
QueryHelper& _qh;
private:
mutable QMap<QString, DB::RawId> _filenameIdMap;
mutable QMap<DB::RawId, QString> _idFilenameMap;
mutable QMap<DB::RawId, DB::ImageInfoPtr> _infoPointers;
// mutable QMutex _mutex;
DB::ImageSearchInfo* _lockingScope;
bool _invertLock;
};
}
#endif /* SQLIMAGEINFOCOLLECTION_H */
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