1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nga/remotegc/DrawableCache.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,89 @@
     1.4 +// Copyright (c) 2008-2009 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 __DRAWABLECACHE_H__
    1.20 +#define __DRAWABLECACHE_H__
    1.21 +
    1.22 +#include <e32cmn.h>
    1.23 +#include <graphics/sgresource.h>
    1.24 +
    1.25 +#include "W32STD.H"
    1.26 +
    1.27 +/**
    1.28 +@file
    1.29 +@internalComponent
    1.30 +Provides functionality which is used by RemoteGc.
    1.31 +*/
    1.32 +
    1.33 +class RWsDrawableSource;
    1.34 +class MWsDrawableSourceProvider;
    1.35 +class CGraphicsResourceWrapperFactory;
    1.36 +class CGraphicsResourceWrapper;
    1.37 +
    1.38 +/**
    1.39 +@internalComponent
    1.40 +*/
    1.41 +NONSHARABLE_CLASS(CDrawableCacheBase): public CBase
    1.42 +	{
    1.43 +public:
    1.44 +	virtual TInt UseL(const TSgDrawableId& aDrawableId, TInt aScreenNumber) = 0;
    1.45 +	const TAny* Resolve(const TSgDrawableId& aDrawableId, TInt aScreenNumber) const;
    1.46 +protected:
    1.47 +	class TCacheEntry
    1.48 +		{
    1.49 +	public:
    1.50 +		TCacheEntry(const TSgDrawableId& aDrawableId, TInt aScreenNumber)
    1.51 +			: iDrawableId(aDrawableId), iScreenNumber(aScreenNumber), iCachedItem(NULL)
    1.52 +			{}
    1.53 +	public:
    1.54 +		TSgDrawableId iDrawableId;
    1.55 +		TInt iScreenNumber;
    1.56 +		TAny* iCachedItem;
    1.57 +		};
    1.58 +protected:
    1.59 +	static TInt Compare(const TCacheEntry &aFirstEntry, const TCacheEntry &aSecondEntry);
    1.60 +protected:
    1.61 +	RArray<TCacheEntry> iCachedItems;
    1.62 +	};
    1.63 +
    1.64 +/**
    1.65 +@internalComponent
    1.66 +*/
    1.67 +NONSHARABLE_CLASS(CWindowDrawableCache): public CDrawableCacheBase
    1.68 +	{
    1.69 +public:
    1.70 +	CWindowDrawableCache(RWsSession& aSession);
    1.71 +	~CWindowDrawableCache();
    1.72 +	TInt UseL(const TSgDrawableId& aDrawableId, TInt aScreenNumber);
    1.73 +private:
    1.74 +	RWsSession& iWsSession;
    1.75 +	CGraphicsResourceWrapperFactory* iGrwFactory;
    1.76 +	CGraphicsResourceWrapper* iGraphicsResource;
    1.77 +	};
    1.78 +
    1.79 +/**
    1.80 +@internalComponent
    1.81 +*/
    1.82 +NONSHARABLE_CLASS(CRenderStageDrawableCache): public CDrawableCacheBase
    1.83 +	{
    1.84 +public:
    1.85 +	CRenderStageDrawableCache(MWsDrawableSourceProvider* aDrawResource);
    1.86 +	~CRenderStageDrawableCache();
    1.87 +	TInt UseL(const TSgDrawableId& aDrawableId, TInt aScreenNumber);
    1.88 +private:
    1.89 +	MWsDrawableSourceProvider* iDrawResource;
    1.90 +	};
    1.91 +
    1.92 +#endif //__DRAWABLECACHE_H__