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/*
This file is part of Akregator.
Copyright (C) 2005 Stanislav Karchebny <Stanislav.Karchebny@kdemail.net>
2005 Frank Osterfeld <frank.osterfeld@kdemail.net>
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.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#ifndef STORAGEMK4IMPL_H
#define STORAGEMK4IMPL_H
#include "storage.h"
namespace Akregator {
namespace Backend {
/**
* Metakit implementation of Storage interface
*/
class StorageMK4Impl : public Storage
{
Q_OBJECT
public:
StorageMK4Impl();
StorageMK4Impl(const StorageMK4Impl&);
StorageMK4Impl &operator =(const StorageMK4Impl&);
virtual ~StorageMK4Impl();
/** KGlobal::dirs()->saveLocation("data", "akregator")+"/Archive" */
static QString defaultArchivePath();
/** sets the directory where the metakit files will be stored.
@param archivePath the path to the archive, or QString::null to reset it to the default.
*/
void setArchivePath(const QString& archivePath);
/** returns the path to the metakit archives */
QString archivePath() const;
virtual void initialize(const QStringList& params);
/**
* Open storage and prepare it for work.
* @return true on success.
*/
virtual bool open(bool autoCommit = false);
/**
* Commit changes made in feeds and articles, making them persistent.
* @return true on success.
*/
virtual bool commit();
/**
* Rollback changes made in feeds and articles, reverting to last committed values.
* @returns true on success.
*/
virtual bool rollback();
/**
* Closes storage, freeing all allocated resources. Called from destructor, so you don't need to call it directly.
* @return true on success.
*/
virtual bool close();
/**
* @return Article archive for feed at given url.
*/
virtual FeedStorage* archiveFor(const QString &url);
virtual bool autoCommit() const;
virtual int unreadFor(const QString &url);
virtual void setUnreadFor(const QString &url, int unread);
virtual int totalCountFor(const QString &url);
virtual void setTotalCountFor(const QString &url, int total);
virtual int lastFetchFor(const QString& url);
virtual void setLastFetchFor(const QString& url, int lastFetch);
virtual QStringList feeds() const;
virtual void storeFeedList(const QString& opmlStr);
virtual QString restoreFeedList() const;
virtual void storeTagSet(const QString& xmlStr);
virtual QString restoreTagSet() const;
/** adds all feed storages from a source to this storage
existing articles are replaced
*/
virtual void add(Storage* source);
/** deletes all feed storages in this archive */
virtual void clear();
virtual bool taggingEnabled() const;
void markDirty();
protected slots:
virtual void slotCommit();
private:
class StorageMK4ImplPrivate;
StorageMK4ImplPrivate *d;
};
}
}
#endif // STORAGEMK4IMPL_H
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