// Copyright (c) 2004-2009 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 SS_DATATRANSFER.CPP

*/

#include "ss_datatransfer.h"

#ifdef _DEBUG

// Panic category for "absolutely impossible!" vanilla ASSERT()-type panics from this module

// (if it could happen through user error then you should give it an explicit, documented, category + code)

_LIT(KSpecAssert_ESockSSocksdtrns, "ESockSSocksdtrns");

#endif

/**

 Constructor

 */

EXPORT_C CConnDataTransfer::CConnDataTransfer()

	{

	}

/**

 Calculate out how much data has been sent and received on the sub-connection

 @param aUplinkVolume On return, contains the amount of data sent on this subconnection

 @param aDownlinkVolume On return, contains the amount of data received on this subconnection

 @return KErrNone if successful, otherwise one of the system-wide error codes

 */	

EXPORT_C TInt CConnDataTransfer::DataTransferred(TUint& aUplinkVolume, TUint& aDownlinkVolume)

	{

	return DoDataTransferred( aUplinkVolume, aDownlinkVolume);

	}

/**

 Cancel a request for data transfer information

 @return ETrue to indicate that the operation is completed here

 */	

EXPORT_C TInt CConnDataTransfer::DataTransferredCancel()

	{

	return DoDataTransferredCancel();

	}

/**

 Receive a request for a notification after a given volume of data has been sent on the sub-connection

 @param aRequestedGranularity The amount of data to be sent after which the notification will occur (but see notes); 

 this is relative to the current volume of data sent

 @param aRequestedNotificationVolume The absolute amount of data that should be sent before we send a notification; only used if aRequestedGranularity is zero

 @return KErrNone, or one of the system-wide error codes

 */	

EXPORT_C TInt CConnDataTransfer::DataSentNotificationRequest(TUint aRequestedGranularity, TUint aRequestedNotificationVolume)

	{

	return DoDataSentNotificationRequest(aRequestedGranularity, aRequestedNotificationVolume);

	}

/**

 Remove the additional notification that this request would have generated

 @return KErrNone, or one of the system-wide error codes

 */	

EXPORT_C TInt CConnDataTransfer::DataSentNotificationCancel()

	{

	return DoDataSentNotificationCancel();

	}

/**

 Receive a request for a notification after a given volume of data has been received on the sub-connection

 @param aRequestedGranularity The amount of data to be received after which the notification will occur (but see notes); this is relative to the current volume of data received

 @param aRequestedNotificationVolume The absolute amount of data that should be received before we send a notification; only used if aRequestedGranularity is zero

 @return KErrNone, or one of the system-wide error codes

 */

EXPORT_C TInt CConnDataTransfer::DataReceivedNotificationRequest(TUint aRequestedGranularity, TUint aRequestedNotificationVolume)

	{

	return DoDataReceivedNotificationRequest(aRequestedGranularity, aRequestedNotificationVolume);

	}

/**

 Remove the additional notification that this request would have generated

 @return KErrNone, or one of the system-wide error codes

 */	

EXPORT_C TInt CConnDataTransfer::DataReceivedNotificationCancel()

	{

	return DoDataReceivedNotificationCancel();

	}

/**

 Register a client

 @param aClient Reference to the MConnDataTransferNotify derived class as the client

 */	

EXPORT_C void CConnDataTransfer::RegisterClientL( MConnDataTransferNotify& aClient )

	{

	__ASSERT_DEBUG(iClients.Find(&aClient) == KErrNotFound, User::Panic(KSpecAssert_ESockSSocksdtrns, 1));

	iClients.AppendL(&aClient);

	}

/**

 De-register a client

 @param aClient Reference to the MConnDataTransferNotify derived class as the client

 */	

EXPORT_C void CConnDataTransfer::DeRegisterClient( MConnDataTransferNotify& aClient )

	{

	TInt index = iClients.Find(&aClient);

	if ( index >= 0 )

		{

		iClients.Remove(index);

		}

	}