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+/*
+ This file is part of Akregator.
+
+ Copyright (C) 2004 Frank Osterfeld <frank.osterfeld at 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 AKREGATORFEEDLIST_H
+#define AKREGATORFEEDLIST_H
+
+#include "nodelist.h"
+
+class QDomDocument;
+class QDomNode;
+class QString;
+
+namespace Akregator
+{
+
+class Article;
+class Feed;
+class Folder;
+class TreeNode;
+
+/** The model of a feed tree, represents an OPML document. Contains an additional root node "All Feeds" which isn't stored. Note that a node instance must not be in more than one FeedList at a time! When deleting the feed list, all contained nodes are deleted! */
+
+class FeedList : public NodeList
+{
+Q_OBJECT
+public:
+
+ FeedList(QObject *parent = 0, const char *name = 0);
+
+ /** Destructor. Contained nodes are deleted! */
+ ~FeedList();
+
+ /** appends another feed list as sub tree. The root node of @c list is ignored. NOTE: nodes are _moved_ from @c list to this feed list, not copied */
+
+ void append(FeedList* list, Folder* parent=0, TreeNode* after=0);
+
+ /** reads an OPML document and appends the items to this list
+ @param doc the OPML document to parse
+ @return whether parsing was successful or not (TODO: make errors more detailed)
+ */
+ virtual bool readFromXML(const QDomDocument& doc);
+
+ /** exports the feed list as OPML. The root node ("All Feeds") is ignored! */
+ virtual QDomDocument toXML() const;
+
+ /** returns a feed object for a given feed URL. If the feed list does not contain a feed with @c url, NULL is returned. If it contains the same feed multiple times, any of the Feed objects is returned. */
+ Feed* findByURL(const QString& feedURL) const;
+
+ Article findArticle(const QString& feedURL, const QString& guid) const;
+
+signals:
+
+ void signalDestroyed(FeedList*);
+
+protected:
+
+ virtual void addNode(TreeNode* node, bool preserveID);
+ virtual void removeNode(TreeNode* node);
+
+public: // compat with KDE-3.x assertions, remove for KDE 4
+// private:
+
+ void parseChildNodes(QDomNode &node, Folder* parent);
+
+ // never call these
+ FeedList(const FeedList&) : NodeList() {}
+ FeedList& operator=(const FeedList&) { return *this; }
+
+ friend class AddNodeVisitor;
+ class AddNodeVisitor;
+
+ friend class RemoveNodeVisitor;
+ class RemoveNodeVisitor;
+
+ class FeedListPrivate;
+ FeedListPrivate* d;
+};
+
+}
+
+#endif