1 files changed, 49 insertions, 0 deletions
diff --git a/akregator/src/treenodevisitor.h b/akregator/src/treenodevisitor.h
new file mode 100644
index 000000000..5b3149b3d
--- /dev/null
+++ b/akregator/src/treenodevisitor.h
@@ -0,0 +1,49 @@
+/*
+    This file is part of Akregator.
+
+    Copyright (C) 2005 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 AKREGATOR_TREENODEVISITOR_H
+#define AKREGATOR_TREENODEVISITOR_H
+
+namespace Akregator 
+{
+
+class TreeNode;
+class Folder;
+class Feed;
+class TagNode;
+class TagFolder;
+
+class TreeNodeVisitor
+{
+    public:
+        virtual bool visit(TreeNode* node);
+        virtual bool visitTreeNode(TreeNode* /*node*/) { return false; }
+        virtual bool visitFolder(Folder* /*node*/) { return false; }
+        virtual bool visitTagFolder(TagFolder* /*node*/) { return false; }
+        virtual bool visitFeed(Feed* /*node*/) { return false; }
+        virtual bool visitTagNode(TagNode* /*node*/) { return false; }
+};
+
+}
+
+#endif