/*

* 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:

* Name        : MMsgAssemblerContext.h

* Part of     : ConnectionMgr

* Version     : SIP/3.0

*

*/

/**

 @internalComponent

*/

#ifndef __MMSGASSEMBLERCONTEXT_H__

#define __MMSGASSEMBLERCONTEXT_H__

// INCLUDES

// FORWARD DECLARATIONS

class MSIPMsgAssemblerOwner;

class MSigCompController;

class CSIPMessage;

class TTCPMsgState;

// CLASS DEFINITION

/**

 * defines a interface of CSIPMessageAssembler used for state classes.

 */

class MMsgAssemblerContext

	{

	public: // Enumerations

		// the states of handling received TCP messages.

		enum TTCPMsgStateValue

			{

			EMsgInit,

			EMsgHeaderStart,

			EMsgHeaderEnd,

			EMsgContentStart,

			EMsgContentEnd,

			ECompMsgStart,

			ECompMsgEnd,

			EMsgComplete,

			EMsgMaxStates

			};

	public:	// Constructors and destructor

		/// Virtual destructor

		virtual ~MMsgAssemblerContext() {};

	public: // Abstract methods

		virtual MSIPMsgAssemblerOwner& MsgOwner() = 0;

		virtual MSigCompController& SigComp() = 0;

		virtual CBufFlat& MsgBuffer() = 0;

        virtual CSIPMessage* Message() = 0;

        virtual void SetMessage( CSIPMessage* aMessage ) = 0;

        virtual void DetachMsg() = 0;

        virtual void ChangeState( MMsgAssemblerContext::TTCPMsgStateValue aState ) = 0;

        virtual TTCPMsgState& CurrentState() = 0;

        virtual void SetIsSigComp( TBool aIsSigComp ) = 0;

        virtual TBool IsSigComp() const = 0;

        virtual void SetUnConsumedBytes( TInt aUnConsumedBytes ) = 0;

        virtual TInt UnConsumedBytes() const = 0;

	};

#endif // end of __MMSGASSEMBLERCONTEXT_H__

// end of file