diff -r cad71a31b7fc -r e36f3802f733 srsf/sisrscontrollerplugin/src/nssbackupobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/sisrscontrollerplugin/src/nssbackupobserver.cpp	Wed Sep 01 12:29:17 2010 +0100
@@ -0,0 +1,156 @@
+/*
+* Copyright (c) 2005-2006 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:  Watches changes of the PC-Suite data sync state
+*
+*/
+
+
+#include "nssbackupobserver.h"
+#include "rubydebug.h"
+
+#include <sbdefs.h>
+
+// ---------------------------------------------------------
+// CNssTag::NewL
+// NewL
+// ---------------------------------------------------------
+//
+CNssBackupObserver* CNssBackupObserver::NewL( CSIDatabase& aDb )
+    {
+    CNssBackupObserver* self = new (ELeave) CNssBackupObserver( aDb );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+// ---------------------------------------------------------
+// CNssBackupObserver::CNssBackupObserver
+// C++ constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------
+//
+CNssBackupObserver::CNssBackupObserver( CSIDatabase& aDb ) :
+    CActive( CActive::EPriorityHigh ),
+    iDb( aDb )
+    {
+    // Nothing
+    }
+    
+// ---------------------------------------------------------
+// CNssBackupObserver::ConstructL
+// C++ constructor can NOT contain any code, that might leave.
+// ---------------------------------------------------------
+//
+void CNssBackupObserver::ConstructL() 
+    {
+    RUBY_DEBUG_BLOCK( "CNssBackupObserver::ConstructL" );
+    User::LeaveIfError( iProperty.Attach( KUidSystemCategory, conn::KUidBackupRestoreKey ) );
+    
+    // check the current value
+    TInt backupFlag( conn::EBURUnset ); 
+	User::LeaveIfError( iProperty.Get( backupFlag ) );
+	
+    switch ( backupFlag & conn::KBURPartTypeMask )
+	    {
+	    case conn::EBURNormal:
+	        // normal nothing to do
+	        break;
+	        
+	    case conn::EBURBackupFull:
+	    case conn::EBURBackupPartial:
+	    case conn::EBURRestoreFull:
+	    case conn::EBURRestorePartial:
+	        // Lock the use of database
+	        RUBY_DEBUG0( "CNssBackupObserver::ConstructL Lock transactions" );
+	        iDb.LockTransactionsL();
+	        break;
+	        
+	    case conn::EBURUnset:
+	    default:
+	        RUBY_DEBUG0( "CNssBackupObserver::ConstructL unknown value" );
+	    }   
+	     
+    // initial subscription and process current property value
+    iProperty.Subscribe( iStatus );
+    
+    CActiveScheduler::Add( this ); 
+    SetActive();   
+    }
+    
+// ---------------------------------------------------------
+// CNssBackupObserver::~CNssBackupObserver
+// Destructor
+// ---------------------------------------------------------
+//
+CNssBackupObserver::~CNssBackupObserver()
+    {
+    Cancel();
+    iProperty.Close();
+    }
+// ---------------------------------------------------------
+// CNssBackupObserver::DoCancel
+// Cancel listening now
+// ---------------------------------------------------------
+//    
+void CNssBackupObserver::DoCancel() 
+    {
+    iProperty.Cancel();
+    }
+
+// ---------------------------------------------------------
+// CNssBackupObserver::RunL
+// Is called, when property changed
+// ---------------------------------------------------------
+//
+void CNssBackupObserver::RunL()
+    {
+    RUBY_DEBUG_BLOCK( "CNssBackupObserver::RunL" );
+    
+    if( iStatus != KErrNone ) 
+        {
+        // At least report the error
+        RUBY_ERROR1( "CNssBackupObserver::RunL iStatus is [%d]", iStatus.Int() );
+        }
+        
+    // resubscribe before processing new value to prevent missing updates
+    // even if some error happened
+    iProperty.Subscribe( iStatus );
+    SetActive();
+    // property updated, get new value
+	TInt backupFlag;
+	User::LeaveIfError( iProperty.Get( backupFlag ) );
+	switch ( backupFlag & conn::KBURPartTypeMask )
+	    {
+	    case conn::EBURNormal:
+	        // Database can be used again
+	        RUBY_DEBUG0( "CNssBackupObserver::RunL Unlock transactions" );
+	        iDb.UnlockTransactionsL();
+	        break;
+	        
+	    case conn::EBURBackupFull:
+	    case conn::EBURBackupPartial:
+	    case conn::EBURRestoreFull:
+	    case conn::EBURRestorePartial:
+	        // Lock the use of database
+	        RUBY_DEBUG0( "CNssBackupObserver::RunL Lock transactions" );
+	        iDb.LockTransactionsL();
+	        break;
+	        
+	    case conn::EBURUnset:
+	    default:
+	        RUBY_ERROR1( "CNssBackupObserver::RunL backup flag unknown %h ", backupFlag );
+	    }
+    }
+
+//  End of File