applayerprotocols/httpservice/inc/mhttpcontentsource.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:09:52 +0200
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// Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __MHTTPCONTENTSOURCE_H__
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#define __MHTTPCONTENTSOURCE_H__
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#include <e32base.h>
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class MHttpDataSender;
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/**
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 * THttpContentSourceOp is an operator to notify the HTTP Service
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 * when content is available. 
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 *  
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 * @publishedAll
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 * @prototype
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 */
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class THttpContentSourceOp
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    {
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    friend class CHttpDataSender;
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public:
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    IMPORT_C THttpContentSourceOp();
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    IMPORT_C void Notify(const TDesC8& aData, TBool aLast = EFalse);
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    private:
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        THttpContentSourceOp(MHttpDataSender* aSender);
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    MHttpDataSender* iDataSender;
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    };
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/**
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 * The implementation of MHttpContentSink can supply the request body data.
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 *  
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 * @publishedAll
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 * @prototype
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 */
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class MHttpContentSource
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	{
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	public:	
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	/**
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	 * Obtain a part of request body data from the source. The data should be guranteed to survive till 
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	 * another call to OnData or a call to CHttpClientTransaction::OnCompletion/OnError
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	 * 
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	 * @param aData Data source operator
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	 */
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	virtual void OnData(THttpContentSourceOp& aData) =0;
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	private:
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    // Reserved for future use.
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    inline virtual void Reserved();
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    inline virtual void Reserved2();	    
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	};
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inline void MHttpContentSource::Reserved()
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    {
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    }
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inline void MHttpContentSource::Reserved2()
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    {
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    }
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#endif // __MHTTPCONTENTSOURCE_H__