// 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 "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 __CHUNKPROCESSOR_H__

#define __CHUNKPROCESSOR_H__

/** 	@file

	@internalTechnology */

class MInputStream;

class CMngPlayer;

union TChunkId;

class MChunkProcessor 

	{

public:

	virtual TBool OfferChunkType(const TChunkId& aChunkId)=0;

	virtual void Start(MInputStream& aInputStream, TRequestStatus& aRequest)=0;

	virtual void Stop()=0;

	virtual void Pause()=0;

	virtual void Resume()=0;

	virtual TInt AddSubProcessor(MChunkProcessor& aSubProcessor)=0;

	};

class CChunkProcessor: protected CActive, public MChunkProcessor 

	{

public:

// from MChunkProcessor

	void Stop();

	void Pause();

	void Resume();

protected:

	CChunkProcessor(CMngPlayer& aMngPlayer);

	void NotifyCaller(TInt aErrCode);

	virtual void DoRunL()=0;

	void DoCancel();

	TInt RunError(TInt aError);

	void RunL();

	void RunAgain();

protected:

	MInputStream*		iInputStream;

	TRequestStatus*		iCallerRequest;

	MChunkProcessor*	iSubProcessor;

	CMngPlayer&			iMngPlayer;	

	TBool				iIsPaused;

	TBool				iNeedRunAfterResume;

	};

#endif  // ndef __CHUNKPROCESSOR_H__