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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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// graphicsresourcewrapper.cpp
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//
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//
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#ifndef __GRAPHICSRESOURCEWRAPPER_H__
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#define __GRAPHICSRESOURCEWRAPPER_H__
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#include <e32base.h>
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#include <graphics/sgresource.h>
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class CGraphicsResourceWrapper;
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_LIT(KGraphicsResourceWrapperDll, "graphicsresourcewrapper.dll");
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/**
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@internalComponent
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*/
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class CGraphicsResourceWrapperFactory : public CBase
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{
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public:
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inline ~CGraphicsResourceWrapperFactory();
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inline CGraphicsResourceWrapper* NewGraphicsResourceWrapper();
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private:
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enum { EFactoryMethod = 1 };
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RLibrary iLibrary;
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TBool iLoaded;
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};
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inline CGraphicsResourceWrapperFactory::~CGraphicsResourceWrapperFactory()
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{
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if (iLoaded)
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iLibrary.Close();
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}
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inline CGraphicsResourceWrapper* CGraphicsResourceWrapperFactory::NewGraphicsResourceWrapper()
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{
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if (!iLoaded)
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{
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if (KErrNone == iLibrary.Load(KGraphicsResourceWrapperDll))
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iLoaded = ETrue;
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else
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return NULL;
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}
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typedef CGraphicsResourceWrapper*(* TFactoryMethod)();
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TFactoryMethod f = reinterpret_cast<TFactoryMethod>(iLibrary.Lookup(EFactoryMethod));
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if (f)
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return f();
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return NULL;
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}
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/**
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A wrapper class around Graphics Resource so that Wserv doesn't need to link
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against graphics resource.
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@internalComponent
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*/
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class CGraphicsResourceWrapper : public CBase
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{
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public:
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virtual RSgDrawable* NewDrawableL() = 0;
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virtual TInt Open(RSgDrawable& aDrawable, const TSgDrawableId& aDrawableId) = 0;
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virtual void Close(RSgDrawable& aDrawable) = 0;
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virtual TBool IsNull(const RSgDrawable& aDrawable) = 0;
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virtual TSgDrawableId Id(const RSgDrawable& aDrawable) = 0;
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};
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#endif //__GRAPHICSRESOURCEWRAPPER_H__
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