// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

// All rights reserved.

// This component and the accompanying materials are made available

// under the terms of the License "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:

// e32\kernel\crashlog_gzip.h

// Definitions for using Zlib with the crash logger

// 

//

#ifndef _CRASHLOGGZIP_H

#define _CRASHLOGGZIP_H

#include "crash_gzip.h"

class CrashFlash;

/** Crash logger wrapper class for Zlib deflate

	@internalComponent

*/							

class TCrashLogGzip : public MCrashGzip

	{

public:

	/** Constructor

	*/

	TCrashLogGzip();

	/** Initialise ready for data output.  Sets the deflate algorithm up.

		@param aFlash The object to write to the crash logger flash sector

	*/

	void SetOutput(CrashFlash* aFlash);

	/** Write the passed data to the crash logger flash sector via the

		deflate compressor

		@param aDes The data to be written

		@return  KErrNone or general error code 

	*/

	virtual TInt Out(const TDesC8& aDes);

	/** @return the maximum length of the output file or

	  -1 if the length of file is not restricted

	*/

	virtual TInt32 GetMaxLength();

private:

	/** interface to crash logger flash sector */

	CrashFlash* iFlash;

	};

#endif //_CRASHLOGGZIP_H