sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #ifndef __WSMEMMGR_H__
sl@0: #define __WSMEMMGR_H__
sl@0: 
sl@0: #include <e32base.h>
sl@0: 
sl@0: class CWsMemoryManager: public CBase, private RAllocator
sl@0: 	{
sl@0: public:
sl@0: 	static CWsMemoryManager * NewLC();
sl@0: 	~CWsMemoryManager();
sl@0: 	
sl@0: 	void EnableReserve();
sl@0: 	void DisableReserve();
sl@0: 	
sl@0: public:	
sl@0: 	static CWsMemoryManager * Static();
sl@0: 	TInt Count() const;
sl@0: 	
sl@0: 	void SetFailNextRetry();
sl@0: private:
sl@0: 	CWsMemoryManager();
sl@0: 	void ConstructL();
sl@0: 	// implementing RAllocator
sl@0: 	TAny* Alloc(TInt aSize);
sl@0: 	void Free(TAny* aPtr);
sl@0: 	TAny* ReAlloc(TAny* aPtr, TInt aSize, TInt aMode);
sl@0: 	TInt AllocLen(const TAny* aCell) const;
sl@0: 	TInt Compress();
sl@0: 	void Reset();
sl@0: 	TInt AllocSize(TInt& aTotalAllocSize) const;
sl@0: 	TInt Available(TInt& aBiggestBlock) const;
sl@0: 	TInt DebugFunction(TInt aFunc, TAny* a1, TAny* a2);
sl@0: 	
sl@0: 
sl@0: private:
sl@0: 	static CWsMemoryManager * iStatic;
sl@0: 	
sl@0: private:
sl@0: 	RAllocator* iImpl;
sl@0: 	TBool iReleasing;
sl@0: 	TBool iReserveEnabled;
sl@0: 	TInt iReserveSize;
sl@0: 	TAny* iReserve;
sl@0: 	TBool iFailNextRetry;
sl@0:   	TTime iCurrentBurstStart;
sl@0: 	TInt iCurrentBurstReleaseCount;
sl@0: 	};
sl@0: 
sl@0: #endif //__WSMEMMGR_H__
sl@0: