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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 TQt, and distribute the resulting executable,
without including the source code for TQt in the source distribution.
*/
#ifndef AKREGATORFEEDLIST_H
#define AKREGATORFEEDLIST_H
#include "nodelist.h"
class TQDomDocument;
class TQDomNode;
class TQString;
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(TQObject *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 TQDomDocument& doc);
/** exports the feed list as OPML. The root node ("All Feeds") is ignored! */
virtual TQDomDocument 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 TQString& feedURL) const;
Article findArticle(const TQString& feedURL, const TQString& 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(TQDomNode &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
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