// 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 __CHTTPDATASENDER_H__

#define __CHTTPDATASENDER_H__

#include <e32base.h>

#include <http.h>

#include "mhttpdatasender.h"

class MHttpContentSource;

class CHttpFileReader;

class CHttpClientTransaction;

class CHttpDataSender : public CBase, 

						public MHttpDataSender, 

						public MHTTPDataSupplier

	{

	public:

	static CHttpDataSender* New(RHTTPTransaction aTrans, CHttpClientTransaction& aClientTrans, MHttpContentSource* aSource);

	static CHttpDataSender* New(RHTTPTransaction aTrans, CHttpClientTransaction& aClientTrans, RFile& aFile);

	~CHttpDataSender();

	void SetDynamicContentLen(TInt aLen);

	private:

	CHttpDataSender(RHTTPTransaction aTrans, CHttpClientTransaction& aClientTrans); 

	CHttpDataSender(RHTTPTransaction aTrans, CHttpClientTransaction& aClientTrans, MHttpContentSource* aSource);

	TInt Construct(RFile& aFile);

	// From MHttpDataSender

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

	void Error(TInt aError);

	// From MHTTPDataSupplier

	TBool GetNextDataPart(TPtrC8& aDataPart);

	void ReleaseData();

	TInt OverallDataSize();

	TInt Reset();

	void RequestData();

	private:

	RHTTPTransaction 			iTransaction;	

	MHttpContentSource* 		iDynamicSource;	

	CHttpFileReader*    		iFileReader;

	CHttpClientTransaction&     iClientTrans;

	TPtrC8              		iDataPtr;

	TBool               		iWaitingForRelease;	

	TBool               		iLastPart;

	TBool               		iInCallback;

	TInt                		iDynamicContentLen;

	TInt                        iTransfferedDataSize;

	};

#endif // __CHTTPDATASENDER_H__