sl@0: // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Defines Mixin class for a BufferManager
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __EZBUFFERMANAGER_H__
sl@0: #define __EZBUFFERMANAGER_H__
sl@0: 
sl@0: class CEZZStream;
sl@0: 
sl@0: /**
sl@0: Interface class to manage input and output buffers for compression and de-compression
sl@0: 
sl@0: @publishedAll
sl@0: @released
sl@0: */
sl@0: class MEZBufferManager
sl@0: 	{
sl@0: public:
sl@0: 
sl@0: 	/**
sl@0: 	Initialise the stream with input and output buffers and starts reading
sl@0: 
sl@0: 	@param aZStream the stream to initialise
sl@0: 	*/
sl@0: 	virtual void InitializeL(CEZZStream &aZStream) = 0;
sl@0: 	
sl@0: 	/**
sl@0: 	Set the stream's input buffer and starts reading
sl@0: 	
sl@0: 	@param aZStream the steam whose input buffer to set
sl@0: 	*/	
sl@0: 	virtual void NeedInputL(CEZZStream &aZStream) = 0;
sl@0: 	
sl@0: 	/**
sl@0: 	Set the stream's output buffer and start writing
sl@0: 
sl@0: 	@param aZStream the steam whose output buffer to set
sl@0: 	*/	
sl@0: 	virtual void NeedOutputL(CEZZStream &aZStream) = 0;
sl@0: 	
sl@0: 	/**
sl@0: 	Finish writing to the stream
sl@0: 
sl@0: 	@param aZStream the stream to complete writing to
sl@0: 	*/	
sl@0: 	virtual void FinalizeL(CEZZStream &aZStream) = 0;
sl@0: 	};
sl@0: 
sl@0: #endif
sl@0: