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diff --git a/src/knemod/backends/backendbase.h b/src/knemod/backends/backendbase.h
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+++ b/src/knemod/backends/backendbase.h
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+/* This file is part of KNemo
+   Copyright (C) 2006 Percy Leonhardt <percy@eris23.de>
+
+   KNemo is free software; you can redistribute it and/or modify
+   it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of
+   the License, or (at your option) any later version.
+
+   KNemo 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 Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public License
+   along with this library; see the file COPYING.LIB.  If not, write to
+   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.
+*/
+
+#ifndef BACKENDBASE_H
+#define BACKENDBASE_H
+
+#include <qdict.h>
+#include <qstring.h>
+
+#include <klocale.h>
+
+#include "data.h"
+#include "interface.h"
+
+/**
+ * This is the baseclass for all backends. Every backend that
+ * should be used for KNemo must inherit from this class.
+ *
+ * @short Baseclass for all backends
+ * @author Percy Leonhardt <percy@eris23.de>
+ */
+
+class BackendBase
+{
+public:
+    BackendBase( QDict<Interface>& interfaces );
+    virtual ~BackendBase();
+
+    /**
+     * Create an instance of this backend because KNemo
+     * does not know about the different types of backends.
+     */
+
+    /**
+     * This function is called from KNemo whenever the
+     * backend shall update the information of the
+     * interfaces in the QDict.
+     */
+    virtual void update() = 0;
+
+protected:
+    /**
+     * Call this function when you have completed the
+     * update. It will trigger the interfaces to check
+     * if there state has changed.
+     */
+    void updateComplete();
+
+    const QDict<Interface>& mInterfaces;
+};
+
+#endif // BACKENDBASE_H