/*

* Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* which accompanies this distribution, and is available

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

* Name        : sipfromheader.h

* Part of     : SIP Codec

* Interface   : SDK API, SIP Codec API

* Version     : SIP/4.0 

*

*/

#ifndef CSIPFROMHEADER_H

#define CSIPFROMHEADER_H

//  INCLUDES

#include "sipfromtoheaderbase.h"

// CLASS DECLARATION

/**

* @publishedAll

* @released

*

* Class provides functions for setting and getting SIP "From" header.

*

*  @lib sipcodec.lib

*/

class CSIPFromHeader : public CSIPFromToHeaderBase

	{

	public:	// Constructors and destructor

		/**

		* Constructs a CSIPFromHeader from textual representation 

		* of the header's value part.

		* @param aValue a value part of a "From"-header (e.g. "<user@host>...")

		* @return a new instance of CSIPFromHeader    

		*/

		IMPORT_C static CSIPFromHeader* DecodeL(const TDesC8& aValue);

		/**

		* Creates a new instance of CSIPFromHeader

		* @pre aSIPAddress != 0

		* @param aSIPAddress a name-address, the ownership is transferred.

		* @return a new instance of CSIPFromHeader

		*/

		IMPORT_C static CSIPFromHeader* NewL(CSIPAddress* aSIPAddress);

		/**

		* Creates a new instance of CSIPFromHeader and puts it to CleanupStack

		* @pre aSIPAddress != 0

		* @param aSIPAddress a name-address, the ownership is transferred,

		* @return a new instance of CSIPFromHeader

		*/

		IMPORT_C static CSIPFromHeader* NewLC(CSIPAddress* aSIPAddress);

		/**

		* Creates a deep-copy of a CSIPFromToHeaderBase

		* Note that this function can be used for creating a From-header

		* using an existing To-header.

		* @param aHeader CSIPFromToHeaderBase to be copied

		* @return a new instance of CSIPFromHeader

		*/

		IMPORT_C static CSIPFromHeader* 

			NewL(const CSIPFromToHeaderBase& aHeader);

		/**

		* Creates a deep-copy of a CSIPFromToHeaderBase and 

		* puts it to CleanupStack

		* Note that this function can be used for creating a From-header

		* using an existing To-header.

		* @param aHeader CSIPFromToHeaderBase to be copied

		* @return a new instance of CSIPFromHeader

		*/

		IMPORT_C static CSIPFromHeader* 

			NewLC(const CSIPFromToHeaderBase& aHeader);

		/**

		* Destructor, deletes the resources of CSIPFromHeader.

		*/

		IMPORT_C ~CSIPFromHeader();

	public: // New functions

		/**

		* Constructs an instance of a CSIPFromHeader from a RReadStream

		* @param aReadStream a stream containing the value of the

		*        externalized object (header name not included). 

		* @return an instance of a CSIPFromHeader

		*/

		IMPORT_C static CSIPHeaderBase* 

			InternalizeValueL(RReadStream& aReadStream);

	public: // From CSIPHeaderBase

		/**

		* From CSIPHeaderBase CloneL

		*/

		IMPORT_C CSIPHeaderBase* CloneL() const;

		/**

		* From CSIPHeaderBase Name

		*/

		IMPORT_C RStringF Name() const;

	public: // From CSIPHeaderBase, for internal use

        /**

        * @internalComponent

        */

		RStringF CompactName() const;

	public: // New functions, for internal use

		static RPointerArray<CSIPHeaderBase> BaseDecodeL(const TDesC8& aValue);

	private: // Constructors

		CSIPFromHeader();

	};

#endif // CSIPFROMHEADER_H

// End of File