// Copyright (c) 2006-2009 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:

// f32\sfile\sf_ldr.h

// 

//

#ifndef __SF_LDR_H__

#define __SF_LDR_H__

class TLoaderDeletedList

	{

public:

	TLoaderDeletedList* iNext;

	TInt iDriveNumber;

	TInt64 iStartBlock;

	HBufC* iFileName;

	};

NONSHARABLE_CLASS(CReaperCleanupTimer): public CTimer

	{

public:

	CReaperCleanupTimer();

	static TInt New();

	static void Complete();

private:

	~CReaperCleanupTimer();

	void RunL();

	void Start();

	static CReaperCleanupTimer* Timer;

	};

NONSHARABLE_CLASS(CActiveReaper) : public CActive

	{

public:

	static CActiveReaper* New();

	~CActiveReaper();

	void StartReaper();

	void AddDeleted(TLoaderDeletedList* aLink);	

	void InitDelDir();

private:

	CActiveReaper();

	void Construct();

	virtual void RunL();

	virtual void DoCancel();

	TLoaderDeletedList* iLoaderDeletedList;

	};

NONSHARABLE_CLASS(CSlottedChunkAllocator) : public CBase

	{

public:

	TInt Construct();

	TAny* Alloc(TUint aSize);

	void Free(TAny* aPtr);

private:

	// slot size must be multiple of page size

	enum { KSlots=2, KSlotSize=16777216 };

	TUint iUsed[KSlots];

	RChunk iChunk;

	TUint8* iBase;

	};

extern CSlottedChunkAllocator gFileDataAllocator;

//#define TRACE_CHECK_FAILURES

//#define TRACE_ON

#ifdef TRACE_CHECK_FAILURES

static TInt CheckFail(const char* aFile,TUint aLine)

	{

	RDebug::Printf("\nLoader check failure: %s line %d\n",aFile,aLine);

	return 0;

	}

#define CHECK_FAIL CheckFail(__FILE__,__LINE__)

#define CHECK_FAILURE(_r) (void)(_r==0 || CHECK_FAIL)

#else

#define CHECK_FAIL ((void)0)

#define CHECK_FAILURE(_r) ((void)0)

#endif

#define RETURN_FAILURE(_r) return (CHECK_FAIL,_r)

#define LEAVE_FAILURE(_r) User::Leave((CHECK_FAIL,_r))

#ifdef TRACE_ON

#define TRACE(_t) RDebug::Printf _t

#else

#define TRACE(_t) ((void)0)

#endif

#define E32IMAGEHEADER_TRACE TRACE

#endif