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+/* -*- c++ -*-
+ configmanager.h
+
+ KMail, the KDE mail client.
+ Copyright (c) 2002 the KMail authors.
+ See file AUTHORS for details
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License,
+ version 2.0, as published by the Free Software Foundation.
+ 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, US
+*/
+
+
+#ifndef _KMAIL_CONFIGMANAGER_H_
+#define _KMAIL_CONFIGMANAGER_H_
+
+#include <qobject.h>
+
+#include <kdepimmacros.h>
+
+class KMKernel;
+
+namespace KPIM {
+
+/**
+ * @short Class for managing a set of config options.
+ * @author Marc Mutz <[email protected]>
+ **/
+class KDE_EXPORT ConfigManager : public QObject {
+ Q_OBJECT
+public:
+ /** Commit changes to disk and emit changed() if necessary. */
+ virtual void commit() = 0;
+ /** Re-read the config from disk and forget changes. */
+ virtual void rollback() = 0;
+
+ /** Check whether there are any unsaved changes. */
+ virtual bool hasPendingChanges() const = 0;
+
+signals:
+ /** Emitted whenever a commit changes any configure option */
+ void changed();
+
+protected:
+ ConfigManager( QObject * parent=0, const char * name=0 );
+ virtual ~ConfigManager();
+};
+
+}
+
+#endif // _KMAIL_CONFIGMANAGER_H_