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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