diff -r 000000000000 -r c53acadfccc6 harvester/server/inc/backupsubscriber.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/server/inc/backupsubscriber.h	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,111 @@
+/*
+* Copyright (c) 2008-2009 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:  Observes Backup & Restore's state key and status -*
+*/
+
+
+#ifndef CTBACKUPSUBSCRIBER_H
+#define CTBACKUPSUBSCRIBER_H
+
+// SYSTEM INCLUDE
+#include <e32base.h>
+#include <e32cmn.h>
+
+// USER INCLUDE
+#include "mpropertyobserver.h"
+
+// FORWARD CLASS DECLERATION
+class CPropertyWatcher;
+
+/**
+ * Observer interface for Backup & Restore changes.
+ */
+ class MBackupRestoreObserver
+     {
+     public:
+         /**
+          * Called by CBlacklistBackupSubscriberAO when
+          * Backup&Restore is backing up or restoring.
+          */
+         virtual void BackupRestoreStart() = 0;
+
+         /**
+          * Called by CBlacklistBackupSubscriberAO when
+          * Backup&Restore has finished backup or restore.
+          */
+         virtual void BackupRestoreReady() = 0;
+     };
+
+/**
+* This class implements object for watching
+* Backup & Restore is state. 
+*/
+ NONSHARABLE_CLASS( CBackupSubscriber ) : public CBase, public MKeyAndStatusObserver
+  	{
+public:
+
+    /**
+     * Creates and constructs a new instance of CBackupSubscriber.
+     *
+     * @return A pointer to the new instance.
+     */
+    static CBackupSubscriber* NewL( MBackupRestoreObserver& aObserver );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CBackupSubscriber();
+  
+public:
+   /*
+    @function NotifyKeyAndStatusL - get called when propertys value has changed.
+    @param aKeyValue - key's value.
+    @param aStatus - active object status, get from CListener object.
+    @param aPropertyCategory observed key's category.       
+    @param aKey observed key.
+    */
+	void CBackupSubscriber::NotifyKeyAndStatusL( 
+		const TInt aKeyValue,
+		TRequestStatus& aStatus,
+		const TUid aPropertyCategory,
+		const TUint aKey );
+
+
+private:
+
+    /**
+     * Default constructor, implicitly called by NewL().
+     */
+    CBackupSubscriber( MBackupRestoreObserver& aObserver );
+
+    /**
+     * 2nd phase construction, called by NewL().
+     */
+    void ConstructL();
+    
+    /**
+     * Check Backup & Restore's state key status and act accordingly.
+     */
+    void CheckBackupState( const TInt aKeyValue, TRequestStatus& aStatus );
+
+private: // data
+
+	/*iPropertyWatcher - constains observed key's, owned by this class*/
+	CPropertyWatcher* iPropertyWatcher;
+    
+	/*iObserver - callback for HarvesterAO to notify when backup/restore starts.*/
+	MBackupRestoreObserver& iObserver;
+  	};
+
+#endif // CTBACKUPSUBSCRIBER_H