/*

* Copyright (c) 2009-2010 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:

* MSRP Implementation

*

*/

#ifndef MMSRPMESSAGEOBSERVER_H_

#define MMSRPMESSAGEOBSERVER_H_

class CMSRPMessageHandler;

class MMSRPMessageObserver

    {

protected:

    ~MMSRPMessageObserver(){};

    // Interface via which the Message informs events to its observer (a server sub session).

public:

    /**

    * Informs when the whole message has been sent successfully

    * @param aMessageHandler message handler instance, ownership not transferred

     */

    virtual void MessageSendCompleteL( CMSRPMessageHandler* aMessageHandler ) = 0;

    /**

    * Informs when response has been sent to the incoming message

    * @param aMessageHandler message handler instance, ownership not transferred

     */

	virtual void MessageResponseSendCompleteL( CMSRPMessageHandler& aMsg ) = 0;

    /**

    * Informs when report has been sent to the incoming message

    * @param aMessageHandler message handler instance, ownership not transferred

     */

    virtual void MessageReportSendCompleteL( CMSRPMessageHandler& aMsg ) = 0;

    /**

    * Current message send progress reported to connected subsessions

    * @param aMessageHandler message handler instance, ownership not transferred

     */

	virtual void MessageSendProgressL( CMSRPMessageHandler* aMessageHandler ) = 0;

    /**

    * Current message receive progress reported to connected subsessions

    * @param aMessageHandler message handler instance, ownership not transferred

     */

	virtual void MessageReceiveProgressL( CMSRPMessageHandler* aMessageHandler ) = 0;

	virtual void MessageCancelledL( ) = 0;

    virtual void WriterError( ) = 0;

    };

#endif /* MMSRPMSGOBSERVER_H_ */