1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __WSMEMMGR_H__

    17 #define __WSMEMMGR_H__

    18 

    19 #include <e32base.h>

    20 

    21 class CWsMemoryManager: public CBase, private RAllocator

    22 	{

    23 public:

    24 	static CWsMemoryManager * NewLC();

    25 	~CWsMemoryManager();

    26 	

    27 	void EnableReserve();

    28 	void DisableReserve();

    29 	

    30 public:	

    31 	static CWsMemoryManager * Static();

    32 	TInt Count() const;

    33 	

    34 	void SetFailNextRetry();

    35 private:

    36 	CWsMemoryManager();

    37 	void ConstructL();

    38 	// implementing RAllocator

    39 	TAny* Alloc(TInt aSize);

    40 	void Free(TAny* aPtr);

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

    42 	TInt AllocLen(const TAny* aCell) const;

    43 	TInt Compress();

    44 	void Reset();

    45 	TInt AllocSize(TInt& aTotalAllocSize) const;

    46 	TInt Available(TInt& aBiggestBlock) const;

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

    48 	

    49 

    50 private:

    51 	static CWsMemoryManager * iStatic;

    52 	

    53 private:

    54 	RAllocator* iImpl;

    55 	TBool iReleasing;

    56 	TBool iReserveEnabled;

    57 	TInt iReserveSize;

    58 	TAny* iReserve;

    59 	TBool iFailNextRetry;

    60   	TTime iCurrentBurstStart;

    61 	TInt iCurrentBurstReleaseCount;

    62 	};

    63 

    64 #endif //__WSMEMMGR_H__

    65