/*

* Copyright (c) 2008 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:    

*

*/

#ifndef MMCETRANSACTIONOBSERVER_H

#define MMCETRANSACTIONOBSERVER_H

// INCLUDES

#include <mcedefs.h>

#include <e32std.h>  

// FORWARD DECLARATIONS

class TMceTransactionDataContainer;

// CLASS DECLARATION

/**

*  An interface to be implemented by users of MCE if they wish to 

*  send extension SIP requests such as INFO within an existing session.

*

*  This observer is set using CMceManager::SetTransactionObserver function.

*

*  @lib mceclient.lib

*/

class MMceTransactionObserver

	{

	public: // 

	    /**

	    * A response related to a transaction was received.

	    * @param aSession, the session that was used to create the transaction

	    * @param aTransactionId, the identifier for the transaction

	    * @param aContainer, if present, 

	    *        holds details of the incoming SIP response.

	    */

	    virtual void TransactionResponse(

	    			CMceSession& aSession,

	    			TMceTransactionId aTransactionId,

	    			TMceTransactionDataContainer* aContainer ) = 0;

	    /**

	    * An error related to a transaction was received.

	    * @param aSession, the session that was used to create the transaction

	    * @param aTransactionId, the identifier for the transaction

	    * @param aError, Error code

	    */

		virtual void TransactionFailed( 

                    CMceSession& aSession,

	    			TMceTransactionId aTransactionId, 

	    			TInt aError ) = 0;

	};

#endif // MMCETRANSACTIONOBSERVER_H

// End of File