--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicsresourceservices/graphicsresourceimplementation/src/sgresource.cpp Tue Aug 31 16:31:06 2010 +0300
@@ -0,0 +1,84 @@
+// 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 resource implementation
+//
+
+#include <kernel/kern_priv.h>
+#include "sgextensionimpl.h"
+
+DSgResourceImpl::DSgResourceImpl(DSgExtensionImpl& aExtensionImpl, TUint64 aId, TUint32 aAttribs,
+ const TDesC8& aMetaData, DChunk* aDataChunk, TInt aDataSize)
+ : iExtensionImpl(aExtensionImpl), iRefCount(1), iId(aId), iAttributes(aAttribs),
+ iMetaDataSize(aMetaData.Size()), iDataChunk(aDataChunk), iDataSize(aDataSize)
+ {
+ memcpy(this + 1, aMetaData.Ptr(), aMetaData.Size());
+ }
+
+DSgResourceImpl::~DSgResourceImpl()
+ {
+ if (iDataChunk)
+ {
+ Kern::ChunkClose(iDataChunk);
+ }
+ }
+
+TInt DSgResourceImpl::Open()
+ {
+ return NKern::SafeInc(iRefCount) > 0 ? KErrNone : KErrNotFound;
+ }
+
+void DSgResourceImpl::Close()
+ {
+ if (NKern::SafeDec(iRefCount) == 1)
+ {
+ iExtensionImpl.DeleteResource(this);
+ }
+ }
+
+TUint64 DSgResourceImpl::Id() const
+ {
+ return iId;
+ }
+
+TUint32 DSgResourceImpl::Attributes() const
+ {
+ return iAttributes;
+ }
+
+TInt DSgResourceImpl::GetMetaData(TDes8& aMetaData) const
+ {
+ if (aMetaData.MaxSize() < iMetaDataSize)
+ {
+ return KErrOverflow;
+ }
+ if (iMetaDataSize == 0)
+ {
+ aMetaData.Zero();
+ }
+ else
+ {
+ aMetaData.Copy(TPtrC8(reinterpret_cast<const TUint8*>(this + 1), iMetaDataSize));
+ }
+ return KErrNone;
+ }
+
+DChunk* DSgResourceImpl::DataChunk() const
+ {
+ return iDataChunk;
+ }
+
+TInt DSgResourceImpl::DataSize() const
+ {
+ return iDataSize;
+ }