/*

* Copyright (c) 2006-2009 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:

* Name        : sipregistrationstate.h

* Part of     : SIPAPI

* Interface   : 

* Version     :

*

*/

/**

 @internalComponent

*/

#ifndef CSIPREGISTRATIONSTATE_H

#define CSIPREGISTRATIONSTATE_H

// INCLUDES

#include <e32base.h>

#include "siprefresh.h"

// FORWARD DECLARATIONS

class CSIPRefresh;

class CSIPMessageElements;

class CSIPResponseElements;

class CSIPClientTransaction;

class CRegBindingImplementation;

class CConnectionCallback;

// CLASS DECLARATION

/*

 * Base class for all registration states.

 */

class CRegistrationState : public CBase

	{

public:

	virtual ~CRegistrationState();

    virtual TBool IsContextActive() const;

	virtual CSIPClientTransaction* 

        RegisterL(CRegBindingImplementation& aRegistration,

                  CSIPMessageElements* aElements) const;

	virtual CSIPClientTransaction* 

        DeregisterL(CRegBindingImplementation& aRegistration,

                    CSIPMessageElements* aElements) const;    

    virtual CSIPClientTransaction*

        UpdateL(CRegBindingImplementation& aRegistration,

                CSIPMessageElements* aElements,

                TUint* aExpirationValue) const;

    virtual TBool IncomingResponseL(CRegBindingImplementation& aRegistration,

                                    CSIPResponseElements* aElements,

		                            TUint32 aRequestId,

					                TUint32 aRegistrationId,

					                TUint32 aRefreshId,

                                    CConnectionCallback& aCallback) const;

    virtual TBool ErrorOccured(CRegBindingImplementation& aRegistration,

                               TInt aError,

                               TUint32 aSIPRequestId,

                               CConnectionCallback& aCallback) const;

    virtual CSIPRefresh::TState RefreshState() const;

    virtual void

    	ConnectionLost(CRegBindingImplementation& aRegistration) const = 0;

	};

#endif