/*

* 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          : siptimestampheader.h

* Part of       : SIP Codec

* Version       : SIP/4.0 

*

*/

#ifndef CSIPTIMESTAMPHEADER_H

#define CSIPTIMESTAMPHEADER_H

//  INCLUDES

#include "sipheaderbase.h"

// CLASS DECLARATION

/**

* @publishedAll

* @released

*

* Class for a SIP Timestamp header.

*

* @lib sipcodec.lib

*/

class CSIPTimestampHeader : public CSIPHeaderBase

	{

	public:	// Constructors and destructor

		/**

		* Constructs a CSIPTimestampHeader from textual representation 

		* of the header's value part.

		* @param aValue a value part of a "Timestamp"-header (e.g. "12 3.4")

		* @returns a new instance of CSIPTimestampHeader

		*/

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

        /**

		* Constructor

        * @param aTimestamp a timestamp value to set.

        * @param aDealy a delay value to set.

		*/

		IMPORT_C CSIPTimestampHeader(TReal aTimestamp);

        /**

		* Destructor

		*/

		IMPORT_C ~CSIPTimestampHeader ();

	public: // New functions

        /**

        * Set the timestamp from the "Timestamp" header.

        * @param aTimestamp a timestamp to set.

        */

        IMPORT_C void SetTimestamp(TReal aTimestamp);

        /**

        * Gets the timestamp from the "Timestamp" header.

        * @return a timestamp value.

        */

        IMPORT_C TReal Timestamp() const;

        /**

        * Check if the delay-part is present

        * @return a delay value.

        */

        IMPORT_C TBool HasDelay() const;

        /**

        * Set the delay-part of the "Timestamp" header.

        * @param aDelay a delay to set.

        */

        IMPORT_C void SetDelay(TReal aDelay);

        /**

        * Gets the delay-part of the "Timestamp" header, 

        * if delay-part is present

        * @return a delay value or zero if HasDelay() == EFalse

        */

        IMPORT_C TReal Delay() const;

		/**

		* Constructs an instance of a CSIPTimestampHeader from a RReadStream

		* @param aReadStream a stream containing the value of the

		*	     externalized object (header name not included). 

		* @return an instance of a CSIPTimestampHeader

		*/

		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;

		/**

		* From CSIPHeaderBase ToTextValueL

		*/

		IMPORT_C HBufC8* ToTextValueL() const;

	public: // From CSIPHeaderBase, for internal use

        /**

        * @internalComponent

        */	

		TPreferredPlace PreferredPlaceInMessage() const;

	public: // New functions, for internal use

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

	private: // From CSIPHeaderBase

		void ExternalizeValueL (RWriteStream& aWriteStream) const;

	private: // New functions

		void ParseL(const TDesC8& aValue);

        void DoInternalizeValueL(RReadStream& aReadStream);

	private: // Data

		TReal iTimestamp;

        TBool iHasDelay;

        TReal iDelay;

	private: // For testing purposes

	};

#endif // end of CSIPTIMESTAMPHEADER_H

// End of File