// 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:

//

// INCLUDE FILES

#include <e32std.h>

#include <e32svr.h>

#include "a3f_trace_heap.h"

// EXTERNAL DATA STRUCTURES

//extern  ?external_data;

TUint32* 	TraceHeap::iTraceMask = NULL;

TUint32* 	TraceHeap::iTraceLevel = NULL;

TBool*      TraceHeap::iApiOnly = NULL;

RHeap* 		TraceHeap::iTraceHeap = NULL;

// EXTERNAL FUNCTION PROTOTYPES  

//extern ?external_function( ?arg_type,?arg_type );

// CONSTANTS

//const ?type ?constant_var = ?constant;

// MACROS

//#define ?macro ?macro_def

// LOCAL CONSTANTS AND MACROS

//const ?type ?constant_var = ?constant;

//#define ?macro_name ?macro_def

// MODULE DATA STRUCTURES

//enum ?declaration

//typedef ?declaration

// LOCAL FUNCTION PROTOTYPES

//?type ?function_name( ?arg_type, ?arg_type );

// FORWARD DECLARATIONS

//class ?FORWARD_CLASSNAME;

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

EXPORT_C void TraceHeap::CreateL(const TUint aDefaultMask)

    {

    // check that the heap is not already created

	if ( TraceHeap::iTraceHeap )

	    {

	    return;

	    }

	// create a heap private to the owning process (heap can also be created as global)

	TraceHeap::iTraceHeap = UserHeap::ChunkHeap( NULL, KMinHeapSize, KMinHeapSize, KMinHeapGrowBy );

	__ASSERT_ALWAYS( TraceHeap::iTraceHeap, User::Leave(KErrGeneral));

	// create iTrace... variables

	TraceHeap::iTraceMask = (TUint32*)TraceHeap::iTraceHeap->AllocL( sizeof(TUint32) );

	*TraceHeap::iTraceMask = aDefaultMask;

    TraceHeap::iTraceLevel = (TUint32*)TraceHeap::iTraceHeap->AllocL( sizeof(TUint32) );

	*TraceHeap::iTraceLevel = 0;		

    TraceHeap::iApiOnly = (TBool*)TraceHeap::iTraceHeap->AllocL( sizeof(TBool) );

	*TraceHeap::iApiOnly = EFalse;		

    }

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

EXPORT_C TUint32 TraceHeap::TraceMask()

	{

	return *TraceHeap::iTraceMask;

	}

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

EXPORT_C void TraceHeap::SetTraceMask(

	const TUint32 aTraceMask )

	{

    if ( !TraceHeap::iTraceHeap )

        {

        TRAP_IGNORE(TraceHeap::CreateL());   

        }

	*TraceHeap::iTraceMask = aTraceMask;

	}

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

EXPORT_C TBool TraceHeap::IsMaskOn(

	const TUint32 aMask )

	{

	return ( *TraceHeap::iTraceMask & aMask );

	}

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//

EXPORT_C void TraceHeap::SetLevel( const TUint32 aTraceLevel )

    {

    *TraceHeap::iTraceLevel = aTraceLevel;

    }

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//    

EXPORT_C TBool TraceHeap::IsBelowLevel( const TUint32 aLevel )

    {

    return (*TraceHeap::iTraceLevel > aLevel);

    }

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//    

EXPORT_C TUint32 TraceHeap::TraceLevel()

    {

    return *TraceHeap::iTraceLevel;

    }

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//    

EXPORT_C TBool TraceHeap::IsApiOnly()

    {

    return *iApiOnly;

    }

// -----------------------------------------------------------------------------

// ?classname::?member_function

// ?implementation_description

// (other items were commented in a header).

// -----------------------------------------------------------------------------

//    

EXPORT_C void TraceHeap::SetApiOnly( const TBool aApiOnly)

    {

    *iApiOnly = aApiOnly;

    }

//  End of File