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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#ifndef __DRAWABLECACHE_H__
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#define __DRAWABLECACHE_H__
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#include <e32cmn.h>
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#include <graphics/sgresource.h>
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#include "W32STD.H"
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/**
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@file
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@internalComponent
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Provides functionality which is used by RemoteGc.
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*/
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class RWsDrawableSource;
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class MWsDrawableSourceProvider;
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class CGraphicsResourceWrapperFactory;
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class CGraphicsResourceWrapper;
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/**
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@internalComponent
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*/
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NONSHARABLE_CLASS(CDrawableCacheBase): public CBase
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{
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public:
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virtual TInt UseL(const TSgDrawableId& aDrawableId, TInt aScreenNumber) = 0;
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const TAny* Resolve(const TSgDrawableId& aDrawableId, TInt aScreenNumber) const;
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protected:
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class TCacheEntry
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{
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public:
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TCacheEntry(const TSgDrawableId& aDrawableId, TInt aScreenNumber)
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: iDrawableId(aDrawableId), iScreenNumber(aScreenNumber), iCachedItem(NULL)
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{}
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public:
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TSgDrawableId iDrawableId;
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TInt iScreenNumber;
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TAny* iCachedItem;
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};
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protected:
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static TInt Compare(const TCacheEntry &aFirstEntry, const TCacheEntry &aSecondEntry);
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protected:
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RArray<TCacheEntry> iCachedItems;
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};
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/**
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@internalComponent
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*/
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NONSHARABLE_CLASS(CWindowDrawableCache): public CDrawableCacheBase
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{
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public:
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CWindowDrawableCache(RWsSession& aSession);
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~CWindowDrawableCache();
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TInt UseL(const TSgDrawableId& aDrawableId, TInt aScreenNumber);
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private:
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RWsSession& iWsSession;
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CGraphicsResourceWrapperFactory* iGrwFactory;
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CGraphicsResourceWrapper* iGraphicsResource;
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};
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/**
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@internalComponent
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*/
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NONSHARABLE_CLASS(CRenderStageDrawableCache): public CDrawableCacheBase
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{
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public:
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CRenderStageDrawableCache(MWsDrawableSourceProvider* aDrawResource);
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~CRenderStageDrawableCache();
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TInt UseL(const TSgDrawableId& aDrawableId, TInt aScreenNumber);
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private:
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MWsDrawableSourceProvider* iDrawResource;
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};
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#endif //__DRAWABLECACHE_H__
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