/*

 * 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

 * which accompanies this distribution, and is available

 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 * Name        : sipfromtoheaderbase.h

 * Part of     : SIP Codec

 * Interface   : SDK API, SIP Codec API

 * Version     : SIP/4.0 

 *

 */

 #ifndef CSIPFROMTOHEADERBASE_H

 #define CSIPFROMTOHEADERBASE_H

 //  INCLUDES

 #include "sipparameterheaderbase.h"

 #include "_sipcodecdefs.h"

 // FORWARD DECLARATIONS

 class CSIPAddress;

 class CSIPFromToHeaderParams;

 // CLASS DECLARATION

 /**

 * @publishedAll

 * @released

 *

 * Class provides functions for setting and getting parameters in SIP "From"

 * and "To" header.

 *

 * This is an abstract class and cannot be instantiated.

 *

 * @lib sipcodec.lib

 */

 class CSIPFromToHeaderBase : public CSIPParameterHeaderBase

 	{

 	public: // Constructors and destructor

 		/**

 		* Destructor, deletes the resources of CSIPFromToHeaderBase.

 		*/

 		IMPORT_C virtual ~CSIPFromToHeaderBase();

 	public: // New functions

 		/**

 		* Compares this instance to another "From" or "To" header object

 		* @param aHeader a header to compare to

 		* @return ETrue, if the objects are equal otherwise EFalse

 		*/

 		IMPORT_C TBool operator==(const CSIPFromToHeaderBase& aHeader) const;

 		/**

 		* Sets the name-address

 		* @pre aSIPAddress != 0

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

 		*/

 		IMPORT_C void SetSIPAddressL(CSIPAddress* aSIPAddress);

 		/**

 		* Gets the name-address as const

 		* @return name-address object

 		*/

 		IMPORT_C const CSIPAddress& SIPAddress() const;

 		/**

 		* Gets the name-address

 		* @return name-address object

 		*/

 		IMPORT_C CSIPAddress& SIPAddress();

 	public: // From CSIPHeaderBase, for internal use

         /**

         * @internalComponent

         */

 		TBool HasCompactName() const;

         /**

         * @internalComponent

         */		

 		TPreferredPlace PreferredPlaceInMessage() const;

 	protected: // Constructors

 		CSIPFromToHeaderBase();

 		void ConstructL();

 		void ConstructL(CSIPAddress* aSIPAddress);

 		void ConstructL(CSIPAddress* aSIPAddress, const TDesC8& aTag);

 		void ConstructL(const CSIPFromToHeaderBase& aSIPFromToHeaderBase);

 	protected: // New functions

 		void DoInternalizeValueL(RReadStream& aReadStream);

 	private: // From CSIPHeaderBase

 		void ExternalizeValueL(RWriteStream& aWriteStream) const;

 	private: // From CSIPParameterHeaderBase

 		HBufC8* ToTextMandatoryPartLC() const;

 		void ParseMandatoryPartL(const TDesC8& aMandatoryPart);

 		const CSIPParamContainerBase& Params() const;

 		CSIPParamContainerBase& Params();

 	private: // Data

 		CSIPAddress* iSIPAddress;

 		CSIPFromToHeaderParams* iParams;

 private: // For testing purposes

 		UNIT_TEST(CSIPFromToHeaderTest)

 	};

 #endif // CSIPFROMTOHEADERBASE_H

 // End of File