1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/WsMemMgr.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,65 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#ifndef __WSMEMMGR_H__
    1.20 +#define __WSMEMMGR_H__
    1.21 +
    1.22 +#include <e32base.h>
    1.23 +
    1.24 +class CWsMemoryManager: public CBase, private RAllocator
    1.25 +	{
    1.26 +public:
    1.27 +	static CWsMemoryManager * NewLC();
    1.28 +	~CWsMemoryManager();
    1.29 +	
    1.30 +	void EnableReserve();
    1.31 +	void DisableReserve();
    1.32 +	
    1.33 +public:	
    1.34 +	static CWsMemoryManager * Static();
    1.35 +	TInt Count() const;
    1.36 +	
    1.37 +	void SetFailNextRetry();
    1.38 +private:
    1.39 +	CWsMemoryManager();
    1.40 +	void ConstructL();
    1.41 +	// implementing RAllocator
    1.42 +	TAny* Alloc(TInt aSize);
    1.43 +	void Free(TAny* aPtr);
    1.44 +	TAny* ReAlloc(TAny* aPtr, TInt aSize, TInt aMode);
    1.45 +	TInt AllocLen(const TAny* aCell) const;
    1.46 +	TInt Compress();
    1.47 +	void Reset();
    1.48 +	TInt AllocSize(TInt& aTotalAllocSize) const;
    1.49 +	TInt Available(TInt& aBiggestBlock) const;
    1.50 +	TInt DebugFunction(TInt aFunc, TAny* a1, TAny* a2);
    1.51 +	
    1.52 +
    1.53 +private:
    1.54 +	static CWsMemoryManager * iStatic;
    1.55 +	
    1.56 +private:
    1.57 +	RAllocator* iImpl;
    1.58 +	TBool iReleasing;
    1.59 +	TBool iReserveEnabled;
    1.60 +	TInt iReserveSize;
    1.61 +	TAny* iReserve;
    1.62 +	TBool iFailNextRetry;
    1.63 +  	TTime iCurrentBurstStart;
    1.64 +	TInt iCurrentBurstReleaseCount;
    1.65 +	};
    1.66 +
    1.67 +#endif //__WSMEMMGR_H__
    1.68 +