--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsresourceservices/graphicsresourceimplementation/inc/sgextensionimpl.h	Fri Apr 16 16:21:04 2010 +0300
@@ -0,0 +1,62 @@
+// Copyright (c) 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:
+// Graphics Resource - kernel extension internal functionality
+//
+
+#ifndef SGEXTENSIONIMPL_H
+#define SGEXTENSIONIMPL_H
+
+#include <sgresource/sgextension.h>
+
+NONSHARABLE_CLASS(DSgExtensionImpl): public DBase
+	{
+public:
+	TInt Construct();
+	TInt CreateResource(TUint32 aAttribs, const TDesC8& aMetaData, TInt aDataSize, DSgResource*& aResource);
+	TInt FindAndOpenResource(TUint64 aId, DSgResource*& aResource);
+	void DeleteResource(DSgResource* aResource);
+	TInt GlobalResourceCount() const;
+	TInt GlobalGraphicsMemoryUsed() const;
+private:
+	DMutex* iMutex;
+	TUint64 iLastResourceId;
+	RPointerArray<DSgResource> iResources;
+	};
+
+NONSHARABLE_CLASS(DSgResourceImpl): public DSgResource
+	{
+public:
+	DSgResourceImpl(DSgExtensionImpl& aExtensionImpl, TUint64 aId, TUint32 aAttribs,
+	                const TDesC8& aMetaData, DChunk* aDataChunk, TInt aDataSize);
+	// From DSgResource
+	TInt Open();
+	void Close();
+	TUint64 Id() const;
+	TUint32 Attributes() const;
+	TInt GetMetaData(TDes8& aMetaData) const;
+	DChunk* DataChunk() const;
+	TInt DataSize() const;
+private:
+	~DSgResourceImpl();
+private:
+	DSgExtensionImpl& iExtensionImpl;
+	TInt iRefCount;
+	TUint64 iId;
+	TUint32 iAttributes;
+	TInt iMetaDataSize;
+	DChunk* iDataChunk;
+	TInt iDataSize;
+	};
+
+#endif // SGEXTENSIONIMPL_H