--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/nssvascontacthdlr/src/nssvasdatasyncwatcher.cpp	Thu Dec 17 08:46:30 2009 +0200
@@ -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 "nssvasdatasyncwatcher.h"
+#include "rubydebug.h"
+
+// Destructors cannot be pure virtual
+MNssDataSyncWatcher::~MNssDataSyncWatcher() 
+    {
+    // empty
+    }
+
+
+
+///////////////////////////////////
+// CNssDataSyncWatcherFactory::ConstructDataSyncWatcherL
+//
+// Constructs and returns the data sync watcher according to what's
+// available in the system. I.e RProperty based watcher or
+// shared data client based watcher
+// @param aHost Observer to be notified about data sync state changes
+//
+// @return Constructed and already started watcher
+///////////////////////////////////
+MNssDataSyncWatcher* CNssDataSyncWatcherFactory::ConstructDataSyncWatcherL( 
+                                        MNssDataSyncStateObserver& aHost )
+    {
+    RUBY_DEBUG_BLOCKL( "ConstructDataSyncWatcherL" );
+    MNssDataSyncWatcher* watcher = CNssDataSyncPropertyWatcher::NewL( aHost );
+    return watcher;
+    }
+
+///////////////////////////////////
+// CNssDataSyncPropertyWatcher::NewL
+//
+// Two phased construction
+///////////////////////////////////
+CNssDataSyncPropertyWatcher* CNssDataSyncPropertyWatcher::NewL( MNssDataSyncStateObserver& aHost )
+    {
+    CNssDataSyncPropertyWatcher* self = new (ELeave) CNssDataSyncPropertyWatcher( aHost );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+    }
+    
+///////////////////////////////////
+// CNssDataSyncPropertyWatcher::CNssDataSyncPropertyWatcher
+//
+// Constructor
+///////////////////////////////////
+CNssDataSyncPropertyWatcher::CNssDataSyncPropertyWatcher( MNssDataSyncStateObserver& aHost ) :
+    CActive( EPriorityStandard ),
+    iHost( &aHost ),
+    iDataSyncStatus( EDataSyncNotRunning )
+    {
+    // Nothing
+    }
+    
+///////////////////////////////////
+// CNssDataSyncPropertyWatcher::ConstructL
+//
+// Second-pase constructor
+///////////////////////////////////
+void CNssDataSyncPropertyWatcher::ConstructL() 
+    {
+    RUBY_DEBUG_BLOCK( "CNssDataSyncPropertyWatcher::ConstructL" );
+    User::LeaveIfError( iProperty.Attach( KPSUidDataSynchronizationInternalKeys, KDataSyncStatus ) );
+    CActiveScheduler::Add( this );
+    // initial subscription and process current property value
+    RunL();
+    }
+    
+///////////////////////////////////
+// CNssDataSyncPropertyWatcher::~CNssDataSyncPropertyWatcher
+//
+// Destructor
+///////////////////////////////////
+CNssDataSyncPropertyWatcher::~CNssDataSyncPropertyWatcher()
+    {
+    if( IsAdded() ) 
+        {
+        Deque();
+        }
+    iProperty.Close();
+    }
+    
+///////////////////////////////////
+// CNssDataSyncPropertyWatcher::DoCancel
+//
+// Cancel listening now
+///////////////////////////////////
+void CNssDataSyncPropertyWatcher::DoCancel() 
+    {
+    iProperty.Cancel();
+    }
+
+
+///////////////////////////////////
+// CNssDataSyncPropertyWatcher::runL
+//
+// Is called, when property changed
+///////////////////////////////////
+void CNssDataSyncPropertyWatcher::RunL()
+    {
+    RUBY_DEBUG_BLOCK( "CNssDataSyncPropertyWatcher::RunL" );
+    if( iStatus != KErrNone ) 
+        {
+        // At least report the error
+        RUBY_ERROR1( "CNssDataSyncPropertyWatcher::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 dataSyncStatus;
+    if ( iProperty.Get( dataSyncStatus) == KErrNotFound )
+        {
+        // not defined is the same as sync is not running
+        dataSyncStatus = EDataSyncNotRunning;
+        }
+    iDataSyncStatus = static_cast<TDataSyncStatus>( dataSyncStatus );
+    iHost->DataSyncStateChanged( InProgress() );
+
+    }
+    
+///////////////////////////////////
+// CNssDataSyncPropertyWatcher::InProgress
+//
+// Tells if data sync is active right now
+///////////////////////////////////
+TBool CNssDataSyncPropertyWatcher::InProgress()
+	{
+	// There can be several different "running" statuses, but only one "not running"
+    // So check for not running
+	return iDataSyncStatus != EDataSyncNotRunning;
+	}
+
+//  End of File