diff -r 1fc85118c3ae -r 870918037e16 eventsui/eventsengine/inc/evtdbnotifier.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eventsui/eventsengine/inc/evtdbnotifier.h	Wed Sep 01 12:31:27 2010 +0100
@@ -0,0 +1,123 @@
+/*
+* Copyright (c) 2008 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:  Notifier class for any change in Storage API database.
+*
+*/
+
+
+#ifndef C_EVTDBNOTIFIER_H
+#define C_EVTDBNOTIFIER_H
+
+// System Includes
+
+//  System Includes
+#include <e32base.h>
+
+// User Includes
+
+// User Includes
+#include "evtdbobserver.h"
+#include "evtstoragedbobserver.h"
+#include "evtstoragedomaincrkeys.h"
+
+// Forward Declarations
+class CRepository;
+
+// extern data types
+
+// global Functions
+
+// constants go here
+
+/**
+ *  Class that monitors Storage Database for any change.
+ *  This class requests for any change in the Stroage database. 
+ *
+ *  @lib evtstorage.lib
+ *  @since S60 v9.1
+ */
+class CEvtDbNotifier : public CActive
+    {  
+public:
+    /**
+     * Constructs a new instance of Event Notifier.
+     *
+     * @return The new instance of Event Notifier.
+     * @leave System wide error code if the object creation fails.         
+     */
+    static CEvtDbNotifier* NewL( MEvtDbObserver&    aObserver );
+    
+    /**
+     * Constructs a new instance of Event Notifier.
+     * Leaves the created instance on the cleanup stack.
+     *
+     * @return The new instance of Event Notifier object.
+     * @leave System wide error code if the object creation fails.         
+     */
+    static CEvtDbNotifier* NewLC( MEvtDbObserver&    aObserver );  
+    
+    /**
+     * Destructor
+     */
+    virtual ~CEvtDbNotifier ();
+    
+    /**
+     * Observer for TDbChangeType changes in Storage Database.
+     */
+    void DbChangedL( );
+
+	// Inherited from CActive 
+    void RunL();
+    
+    void DoCancel();
+    
+    TInt RunError( TInt aError ); 
+
+private: 
+    /**
+     * Handle any change to database.
+     */   
+    void HandleDbChangedL( );
+    
+    /**
+     * Request to get database notifications on change.
+     */   
+    void StartNotification();
+    
+    /**
+     * Default C++ Constructor.
+     */
+    CEvtDbNotifier( MEvtDbObserver&    aObserver ); 
+
+    /**
+     * Second phase of the two phase constructor.
+     */
+    void ConstructL();
+
+private: // data
+    
+    /**
+     *  Reference to Observer
+     * 	Does Not own
+     */
+    MEvtDbObserver&					iDbObserver;
+    
+    /**
+     *  CRepository Instance
+     */
+    CRepository*                    iRepository;
+
+    };
+
+#endif // C_EVTDBNOTIFIER_H