1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/graphicsresourcewrapper/graphicsresourcewrapper.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,84 @@
     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 +// graphicsresourcewrapper.cpp
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#ifndef __GRAPHICSRESOURCEWRAPPER_H__
    1.22 +#define __GRAPHICSRESOURCEWRAPPER_H__
    1.23 +
    1.24 +#include <e32base.h>
    1.25 +#include <graphics/sgresource.h>
    1.26 +
    1.27 +class CGraphicsResourceWrapper;
    1.28 +
    1.29 +_LIT(KGraphicsResourceWrapperDll, "graphicsresourcewrapper.dll");
    1.30 +
    1.31 +
    1.32 +/**
    1.33 +@internalComponent
    1.34 +*/
    1.35 +class CGraphicsResourceWrapperFactory : public CBase
    1.36 +	{
    1.37 +public:
    1.38 +	inline ~CGraphicsResourceWrapperFactory();
    1.39 +	inline CGraphicsResourceWrapper* NewGraphicsResourceWrapper();
    1.40 +
    1.41 +private:
    1.42 +	enum { EFactoryMethod = 1 };
    1.43 +	RLibrary iLibrary;
    1.44 +	TBool iLoaded;
    1.45 +	};
    1.46 +
    1.47 +inline CGraphicsResourceWrapperFactory::~CGraphicsResourceWrapperFactory()
    1.48 +	{
    1.49 +	if (iLoaded)
    1.50 +		iLibrary.Close();
    1.51 +	}
    1.52 +
    1.53 +inline CGraphicsResourceWrapper* CGraphicsResourceWrapperFactory::NewGraphicsResourceWrapper()
    1.54 +	{
    1.55 +	if (!iLoaded)
    1.56 +		{
    1.57 +		if (KErrNone == iLibrary.Load(KGraphicsResourceWrapperDll))
    1.58 +			iLoaded = ETrue;
    1.59 +		else
    1.60 +			return NULL;
    1.61 +		}
    1.62 +
    1.63 +	typedef CGraphicsResourceWrapper*(* TFactoryMethod)();
    1.64 +	TFactoryMethod f = reinterpret_cast<TFactoryMethod>(iLibrary.Lookup(EFactoryMethod));
    1.65 +	if (f)
    1.66 +		return f();
    1.67 +
    1.68 +	return NULL;
    1.69 +	}
    1.70 +
    1.71 +/**
    1.72 +A wrapper class around Graphics Resource so that Wserv doesn't need to link
    1.73 +against graphics resource.
    1.74 +
    1.75 +@internalComponent
    1.76 +*/
    1.77 +class CGraphicsResourceWrapper : public CBase
    1.78 +	{
    1.79 +public:
    1.80 +	virtual RSgDrawable* NewDrawableL() = 0;
    1.81 +	virtual TInt Open(RSgDrawable& aDrawable, const TSgDrawableId& aDrawableId) = 0;
    1.82 +	virtual void Close(RSgDrawable& aDrawable) = 0;
    1.83 +	virtual TBool IsNull(const RSgDrawable& aDrawable) = 0;
    1.84 +	virtual TSgDrawableId Id(const RSgDrawable& aDrawable) = 0;
    1.85 +	};
    1.86 +
    1.87 +#endif //__GRAPHICSRESOURCEWRAPPER_H__