/*

* Copyright (c) 2010 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 LOG_H_

#define LOG_H_

#include <e32base.h>

#include <f32file.h>

#include <wchar.h>

class CConsoleBase; 

class RFileWriteStream; 

/**

 *

 */

class MLog 

	{

	public: 

		virtual void LogL( TRefByValue<const TDesC> aDesc, ... );

		virtual void VLogL( const TDesC& aDesc, VA_LIST list ) = 0;

		virtual void FlushL() = 0; 

	};

class CLog : public CBase, public MLog

	{

	};

class CFileConsoleLog : public CLog

	{

	public: 

		CFileConsoleLog( CConsoleBase* aConsole );

		void ConstructL( RFs& aFs, const TDesC& aFile ); 

		void ConstructL( const TDesC& aFile ); 

		~CFileConsoleLog();

		static CFileConsoleLog* NewL( CConsoleBase* aConsole,

									  const TDesC& aFile );

	public: 

		virtual void VLogL( const TDesC& aDesc, VA_LIST aArgs );

		virtual void FlushL(); 

	private: 

		// Nulls are used to mark that the output target is not used

		CConsoleBase* iConsole; 

		RFile* iFile; 

		RFs* iFs; 

	};

class TShortTimeStampLog : public MLog

	{

	public:

		TShortTimeStampLog(); 

		TShortTimeStampLog( MLog& aLog );

		void SetLog(MLog& aLog);

		virtual void VLogL( const TDesC& aDesc, VA_LIST aArgs );

		virtual void FlushL(); 

	private: 

		MLog* iLog; 

	};

#endif /*LOG_H_*/