1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nonnga/remotegc/CacheBase.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,59 @@
     1.4 +// Copyright (c) 2006-2009 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 __CACHEBASE_H__
    1.20 +#define __CACHEBASE_H__
    1.21 +
    1.22 +#include <e32base.h>
    1.23 +#include <e32cmn.h>
    1.24 +
    1.25 +/**
    1.26 +A cache base-class providing basic functionality for resolving a cached item.
    1.27 +*/
    1.28 +NONSHARABLE_CLASS(CCacheBase): public CBase
    1.29 +	{	
    1.30 +public:	
    1.31 +	void BeginUpdate();	
    1.32 +	void EndUpdate();
    1.33 +
    1.34 +protected:
    1.35 +	CCacheBase();
    1.36 +	~CCacheBase();
    1.37 +	
    1.38 +	virtual TInt UseL(TInt aHandle) = 0;
    1.39 +	virtual const CBase* Resolve(TInt aHandle);
    1.40 +	
    1.41 +protected:
    1.42 +	struct TCacheEntry
    1.43 +		{
    1.44 +		TCacheEntry(TInt aHandle)
    1.45 +			{
    1.46 +			iHandle = aHandle;
    1.47 +			}
    1.48 +			
    1.49 +		TInt iHandle;
    1.50 +		TBool iIsUsed;
    1.51 +		CBase* iCachedItem;
    1.52 +		};
    1.53 +
    1.54 +protected:		
    1.55 +	RArray<TCacheEntry> iCachedItems;
    1.56 +	};
    1.57 +	
    1.58 +#endif //__CACHEBASE_H__
    1.59 +
    1.60 +
    1.61 +
    1.62 +