// Copyright (c) 2003-2009 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:

 //

 #ifndef __MHTTPCONTENTSOURCE_H__

 #define __MHTTPCONTENTSOURCE_H__

 #include <e32base.h>

 class MHttpDataSender;

 /**

  * THttpContentSourceOp is an operator to notify the HTTP Service

  * when content is available. 

  *  

  * @publishedAll

  * @prototype

  */

 class THttpContentSourceOp

     {

     friend class CHttpDataSender;

 public:

     IMPORT_C THttpContentSourceOp();

     IMPORT_C void Notify(const TDesC8& aData, TBool aLast = EFalse);

     private:

         THttpContentSourceOp(MHttpDataSender* aSender);

     MHttpDataSender* iDataSender;

     };

 /**

  * The implementation of MHttpContentSink can supply the request body data.

  *  

  * @publishedAll

  * @prototype

  */

 class MHttpContentSource

 	{

 	public:	

 	/**

 	 * Obtain a part of request body data from the source. The data should be guranteed to survive till 

 	 * another call to OnData or a call to CHttpClientTransaction::OnCompletion/OnError

 	 * 

 	 * @param aData Data source operator

 	 */

 	virtual void OnData(THttpContentSourceOp& aData) =0;

 	private:

     // Reserved for future use.

     inline virtual void Reserved();

     inline virtual void Reserved2();	    

 	};

 inline void MHttpContentSource::Reserved()

     {

     }

 inline void MHttpContentSource::Reserved2()

     {

     }

 #endif // __MHTTPCONTENTSOURCE_H__