diff -r 000000000000 -r 5d03bc08d59c windowing/windowserver/graphicsresourcewrapper/graphicsresourcewrapper.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/windowing/windowserver/graphicsresourcewrapper/graphicsresourcewrapper.h Tue Feb 02 01:47:50 2010 +0200 @@ -0,0 +1,84 @@ +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// graphicsresourcewrapper.cpp +// +// + +#ifndef __GRAPHICSRESOURCEWRAPPER_H__ +#define __GRAPHICSRESOURCEWRAPPER_H__ + +#include +#include + +class CGraphicsResourceWrapper; + +_LIT(KGraphicsResourceWrapperDll, "graphicsresourcewrapper.dll"); + + +/** +@internalComponent +*/ +class CGraphicsResourceWrapperFactory : public CBase + { +public: + inline ~CGraphicsResourceWrapperFactory(); + inline CGraphicsResourceWrapper* NewGraphicsResourceWrapper(); + +private: + enum { EFactoryMethod = 1 }; + RLibrary iLibrary; + TBool iLoaded; + }; + +inline CGraphicsResourceWrapperFactory::~CGraphicsResourceWrapperFactory() + { + if (iLoaded) + iLibrary.Close(); + } + +inline CGraphicsResourceWrapper* CGraphicsResourceWrapperFactory::NewGraphicsResourceWrapper() + { + if (!iLoaded) + { + if (KErrNone == iLibrary.Load(KGraphicsResourceWrapperDll)) + iLoaded = ETrue; + else + return NULL; + } + + typedef CGraphicsResourceWrapper*(* TFactoryMethod)(); + TFactoryMethod f = reinterpret_cast(iLibrary.Lookup(EFactoryMethod)); + if (f) + return f(); + + return NULL; + } + +/** +A wrapper class around Graphics Resource so that Wserv doesn't need to link +against graphics resource. + +@internalComponent +*/ +class CGraphicsResourceWrapper : public CBase + { +public: + virtual RSgDrawable* NewDrawableL() = 0; + virtual TInt Open(RSgDrawable& aDrawable, const TSgDrawableId& aDrawableId) = 0; + virtual void Close(RSgDrawable& aDrawable) = 0; + virtual TBool IsNull(const RSgDrawable& aDrawable) = 0; + virtual TSgDrawableId Id(const RSgDrawable& aDrawable) = 0; + }; + +#endif //__GRAPHICSRESOURCEWRAPPER_H__