diff -r 000000000000 -r 4e1aa6a622a0 accessoryservices/pluggeddisplay/pluggeddisplayengine/inc/centralrepositoryobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessoryservices/pluggeddisplay/pluggeddisplayengine/inc/centralrepositoryobserver.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,82 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: Callback interface for observer of CCentralRepositoryWatch object.
+*
+*/
+
+
+
+
+#ifndef M_CENTRALREPOSITORYOBSERVER_H
+#define M_CENTRALREPOSITORYOBSERVER_H
+
+
+#include <e32def.h>
+#include <e32cmn.h>
+
+
+/**
+ *  Callback interface for observer of CCentralRepositoryWatch object. 
+ *  This callback interface has to be implemented by observer class.
+ *
+ *  @code
+ *   ?good_class_usage_example(s)
+ *  @endcode
+ *
+ *  @lib none.
+ *  @since TB 9.2
+ */
+NONSHARABLE_CLASS( MCentralRepositoryObserver )
+    {
+
+public:
+ 
+    /**
+     * Function is called by watcher every time when key value has changed
+     * in CR.
+     *
+     *  @since TB 9.2
+     * @param aRepositoryId Changed repository. 
+     * @param aRepositoryId Changed key. 
+     * @return none
+     */
+    virtual void CentRepKeyChanged(
+            TUid    aRepositoryId,
+            TUint32 aId ) = 0;
+
+    /**
+     * Function is called by property watcher when reading the integer property's
+     * current value fails.
+     *
+     *  @since TB 9.2
+     * @param aRepositoryId Changed repository. 
+     * @param aRepositoryId Changed key. 
+     * @param aError Error code:
+     *      KErrAbort if in a transaction that has previously failed, 
+     *      KErrPermissionDenied if caller fails capability check, 
+     *      KErrNotFound if the setting does not exist, 
+     *      KErrArgument if the setting exists but is not an integer, plus other system-wide error codes. 
+     * . 
+     * @return none
+     */
+    virtual void CentRepGetKeyValueFailed( 
+            TUid    aRepositoryId,
+            TUint32 aId,
+            TInt aError ) = 0;
+
+    };
+
+
+#endif // M_CENTRALREPOSITORYOBSERVER_H
+