diff -r 39bb7c3571e9 -r 052078dda061 networkcontrol/ipcprshim/inc/shimdatatransfer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/networkcontrol/ipcprshim/inc/shimdatatransfer.h	Tue Jun 29 19:20:22 2010 +0530
@@ -0,0 +1,78 @@
+/**
+* Copyright (c) 2005-2009 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:
+*
+*/
+
+
+
+/**
+ @file SHIMDATATRANSFER.H
+ @internalComponent
+*/
+
+#if !defined(__SHIMDATATRANSFER_H__)
+#define __SHIMDATATRANSFER_H__
+
+#include <e32def.h>
+#include <e32base.h>
+#include "ss_datatransfer.h"
+
+class CConnectionProvdBase;
+class CNifManSubConnectionShim;
+class CConnDataTransferShim : public CConnDataTransfer
+	{
+public:
+	CConnDataTransferShim(CNifManSubConnectionShim& aSubConnectionProviderShim);
+	~CConnDataTransferShim();
+	
+public:
+	//up-calls from the CNifManSubConnectionShim
+	TInt NotifyDataTransferred(TUint aUplinkVolume, TUint aDownlinkVolume);
+	TInt NotifyDataSent(TUint aUplinkVolume);
+	TInt NotifyDataReceived(TUint aDownlinkVolume);
+
+protected:
+	//down-calls clients requests
+	virtual TInt DoDataTransferred(TUint& aUplinkVolume, TUint& aDownlinkVolume);
+	virtual TInt DoDataTransferredCancel();
+	virtual TInt DoDataSentNotificationRequest(TUint aRequestedGranularity, TUint aRequestedNotificationVolume);
+	virtual TInt DoDataSentNotificationCancel();
+	virtual TInt DoDataReceivedNotificationRequest(TUint aRequestedGranularity, TUint aRequestedNotificationVolume);
+	virtual TInt DoDataReceivedNotificationCancel();
+
+protected:
+	TInt CalculateNewUplinkGranularity(TUint aRequestedGranularity);
+	TInt CalculateNewDownlinkGranularity(TUint aRequestedGranularity);
+
+	TInt SetNextUplinkGranularity();
+	TInt SetNextDownlinkGranularity();
+
+	TInt SetUplinkGranularity(TUint aRequestedGranularity);
+	TInt SetDownlinkGranularity(TUint aRequestedGranularity);
+
+protected:
+	static TInt CalculateNewGranularity(TInt aRequestedGranularity, TUint aCurrentGranularity, RArray<TUint>& aGranularities, TUint& aNewGranularity);
+
+private:
+	CNifManSubConnectionShim& iSubConnectionProviderShim;
+	
+	RArray<TUint> iUplinkGranularities;		// ordered lists of deltas for the granularities
+	RArray<TUint> iDownlinkGranularities;
+
+	TUint iCurrentUplinkGranularity;		// the aggregate notification granularity calculated from all the CConnection requests
+	TUint iCurrentDownlinkGranularity;
+	};
+	
+#endif	// __SHIMDATATRANSFER_H__