// 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 "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 __WSMEMMGR_H__

#define __WSMEMMGR_H__

#include <e32base.h>

class CWsMemoryManager: public CBase, private RAllocator

	{

public:

	static CWsMemoryManager * NewLC();

	~CWsMemoryManager();

	void EnableReserve();

	void DisableReserve();

public:	

	static CWsMemoryManager * Static();

	TInt Count() const;

	void SetFailNextRetry();

private:

	CWsMemoryManager();

	void ConstructL();

	// implementing RAllocator

	TAny* Alloc(TInt aSize);

	void Free(TAny* aPtr);

	TAny* ReAlloc(TAny* aPtr, TInt aSize, TInt aMode);

	TInt AllocLen(const TAny* aCell) const;

	TInt Compress();

	void Reset();

	TInt AllocSize(TInt& aTotalAllocSize) const;

	TInt Available(TInt& aBiggestBlock) const;

	TInt DebugFunction(TInt aFunc, TAny* a1, TAny* a2);

private:

	static CWsMemoryManager * iStatic;

private:

	RAllocator* iImpl;

	TBool iReleasing;

	TBool iReserveEnabled;

	TInt iReserveSize;

	TAny* iReserve;

	TBool iFailNextRetry;

  	TTime iCurrentBurstStart;

	TInt iCurrentBurstReleaseCount;

	};

#endif //__WSMEMMGR_H__