diff -r cfcbf08528c4 -r 2b40d63a9c3d qtmobility/src/publishsubscribe/xqsettingsmanager_symbian/settingshandlerbase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qtmobility/src/publishsubscribe/xqsettingsmanager_symbian/settingshandlerbase.h	Fri Apr 16 15:51:22 2010 +0300
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef SETTINGSHANDLERBASE_H
+#define SETTINGSHANDLERBASE_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+// INCLUDES
+#include <QVariant>
+#include "xqsettingsmanager.h"
+#include <e32base.h>
+
+// FORWARD DECLARATIONS
+class XQSettingsKey;
+
+class MSettingsHandlerObserver
+{
+public:
+    virtual void valueChanged(const XQSettingsKey& key, XQSettingsManager::Type type) = 0;
+    virtual void itemDeleted(const XQSettingsKey& key) = 0;
+};
+
+class SettingsHandlerBase
+{
+public:
+    virtual ~SettingsHandlerBase() {};
+    virtual void setObserver(MSettingsHandlerObserver* observer) = 0;
+    QVariant handleReadItemValue(const XQSettingsKey& key, XQSettingsManager::Type type, TInt& error);
+    bool handleWriteItemValue(const XQSettingsKey& key, const QVariant& value, TInt& error);
+    virtual bool handleStartMonitoring(const XQSettingsKey& key, XQSettingsManager::Type type, MSettingsHandlerObserver& observer, TInt& error) = 0;
+    virtual bool handleStopMonitoring(const XQSettingsKey& key, TInt& error) = 0;
+
+protected:
+    virtual TInt getValue(unsigned long key, TInt& value) = 0;
+    virtual TInt getValue(unsigned long key, TReal& value) = 0;
+    virtual void getValueL(unsigned long key, RBuf8& value) = 0;
+    virtual void getValueL(unsigned long key, RBuf16& value) = 0;
+
+    virtual TInt setValue(unsigned long key, const TInt& value) = 0;
+    virtual TInt setValue(unsigned long key, const TReal& value) = 0;
+    virtual TInt setValue(unsigned long key, const TDesC8& value) = 0;
+    virtual TInt setValue(unsigned long key, const TDesC16& value) = 0;
+};
+
+#endif //SETTINGSHANDLERBASE_H