/*

* Copyright (c) 2008 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:   Debug print macros*

*/

// Version : %version: ou1cpsw#3 %

#ifndef __MPXVIDEO_DEBUG_H__

#define __MPXVIDEO_DEBUG_H__

// INCLUDES

#include <e32std.h>

#include <e32svr.h>

#include <e32des16.h>

#include <e32property.h>

#include <flogger.h>

#include <e32def.h>

// #define _MPX_FILE_LOGGING_

#ifdef _DEBUG

    #define FU_DEBUG RDebug::Print

#else

    #ifdef _MPX_FILE_LOGGING_

        #define FU_DEBUG MPXDebug::FileLog

    #else        

        #define FU_DEBUG MPXDebug::NullLog

    #endif

#endif 

class MPXDebug

{

    public:

        inline static void NullLog( TRefByValue<const TDesC16> /*aFmt*/, ... )

        {

        }

        inline static void NullLog( TRefByValue<const TDesC> /*aFunctionName*/,

		                            TRefByValue<const TDesC16> /*aFmt*/, ... )

        {

        }

        inline static void FileLog( TRefByValue<const TDesC16> aFmt, ... )

        {

            VA_LIST list;

            VA_START(list,aFmt);

            RFileLogger::WriteFormat( _L("Fusion"), 

                                      _L("fusion.log"),

                                      EFileLoggingModeAppend,

                                      aFmt,

                                      list );

        }

};

// MACROS

#ifdef _DEBUG

    #define MPX_DEBUG             TFusionLog::FusionLog

    #define MPX_ENTER_EXIT        TEnterExitLog _s

#else

    #define MPX_DEBUG             MPXDebug::NullLog

    #define MPX_ENTER_EXIT        MPXDebug::NullLog

#endif

class TFusionLog : public TDes16Overflow

{

    public:

        inline static void FusionLog( TRefByValue<const TDesC16> aFmt, ... )

        {

            TBuf< 512 > buffer;

            VA_LIST list;

            VA_START( list, aFmt );

            buffer.AppendFormatList( aFmt, list );

            VA_END(list);

            FU_DEBUG(_L("#Fu# %S"), &buffer );

        }

};

class TEnterExitLog : public TDes16Overflow

{

    public:

        void Overflow(TDes16& /*aDes*/)

        {

            FU_DEBUG(_L("%S Logging Overflow"), &iFunctionName);

        }

        TEnterExitLog( TRefByValue<const TDesC> aFunctionName,

                       TRefByValue<const TDesC> aFmt, ... )

        {

            iFunctionName = HBufC::New( TDesC(aFunctionName).Length() );

            if ( iFunctionName )

            {

                iFunctionName->Des().Copy(aFunctionName);

            }

            TBuf< 512 > buffer;

            VA_LIST list;

            VA_START( list, aFmt );

            buffer.AppendFormatList( aFmt, list, this );

            VA_END(list);

            FU_DEBUG(_L("#Fu# --> %S %S"), iFunctionName, &buffer );

        }

        TEnterExitLog( TRefByValue<const TDesC> aFunctionName )

        {

            iFunctionName = HBufC::New( TDesC(aFunctionName).Length() );

            if ( iFunctionName )

            {

                iFunctionName->Des().Copy(aFunctionName);

            }

            FU_DEBUG(_L("#Fu# --> %S"), iFunctionName );

        }

        ~TEnterExitLog()

        {

            FU_DEBUG(_L("#Fu# <-- %S"), iFunctionName );

            delete iFunctionName;

        }

    private:

        HBufC*    iFunctionName;

};

_LIT(_KMPXErrorInfo, "#Fu# MPXVideo Error : error %d file %s line %d");

#define MPX_S(a) _S(a)

#define MPX_ERROR_LOG(aErr) \

    {\

        if (aErr) \

            FU_DEBUG(_KMPXErrorInfo, aErr, MPX_S(__FILE__), __LINE__);\

    }

#define MPX_TRAP(_r, _s) TRAP(_r,_s);MPX_ERROR_LOG(_r);

#define MPX_TRAPD(_r, _s) TRAPD(_r,_s);MPX_ERROR_LOG(_r);

#endif  // __MPXVIDEO_DEBUG_H__

// End of File