--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/AttributeFramework2/Inc/MPEngPresenceAdvancedAttrModel2.h	Wed Sep 01 12:31:13 2010 +0100
@@ -0,0 +1,155 @@
+/*
+* Copyright (c) 2004 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:  Advanced Presence Attribute interface.
+*
+*/
+
+#ifndef __MPENGPRESENCEADVANCEDATTRMODEL2_H
+#define __MPENGPRESENCEADVANCEDATTRMODEL2_H
+
+//  INCLUDES
+#include "MPEngPresenceAttrModel2.h"
+#include <E32Std.h>
+
+
+//FORWARD DECLARATIONS
+class MPEngXMLParser;
+class MPEngXMLSerializer;
+class RWriteStream;
+class RReadStream;
+class CPEngPresenceAttrModelStorageProxy;
+
+
+
+
+
+// CLASS DECLARATION
+
+/**
+* Advanced attribute model interface for Presence Engine
+* internal use.
+*
+* This class defines the internal advanced interface
+* for concrete Presence Attribute Models. This interface is
+* used inside of the Presence Engine and this allows variety
+* of extended operations to be performed for attribute models.
+*
+* @since 3.0
+*/
+class MPEngPresenceAdvancedAttrModel2 : public MPEngPresenceAttrModel2
+    {
+    public: //XML handling
+
+        /**
+         * Encodes attribute value to XML.
+         *
+         * @since 3.0
+         * @param aSerializer The serializer where to write the XML.
+         */
+        virtual void EncodeToXmlL( MPEngXMLSerializer& aSerializer ) const = 0;
+
+
+        /**
+         * Decodes attribute value from XML.
+         *
+         * @since 3.0
+         * @param aParser The parser to use in parsing.
+         * @param aDataBlock The XML block containing attribute data.
+         */
+        virtual void DecodeFromXmlL( MPEngXMLParser& aParser,
+                                     const TDesC8& aDataBlock ) = 0;
+
+
+    public: //Storage support
+
+        /**
+         * Access to attribute model storage proxy.
+         * @since 3.0
+         * @return Attribute model storage proxy.
+         */
+        virtual const CPEngPresenceAttrModelStorageProxy& Storage() const = 0;
+        virtual CPEngPresenceAttrModelStorageProxy& Storage() = 0;
+
+
+
+
+    public: //Serialization
+
+        /**
+         * Gets the byte size needed to to externalize attribute model.
+         * @since 3.0
+         * @return Byte size needed to externalize the attribute model.
+         */
+        virtual TInt ExternalizeSize() const  = 0;
+
+
+        /**
+         * Externalizes attribute model data.
+         *
+         * @since 3.0
+         * @param aStream The stream to write.
+         */
+        virtual void ExternalizeL( RWriteStream& aStream ) const = 0;
+
+
+
+        /**
+         * Internalizes attribute model data.
+         *
+         * @since 3.0
+         * @param aStream The stream read from.
+         */
+        virtual void InternalizeL( RReadStream& aStream ) = 0;
+
+
+
+
+    public: //Network commits and session state handling
+
+
+        /**
+         * Sets attribute data source as network.
+         * @since 3.0
+         */
+        virtual void HandleAttributeUpdatedToNetwork() = 0;
+
+
+        /**
+         * Handles network session status change.
+         * @since 3.0
+         * @param aSessionOpen If ETrue, network presence session
+         * was opened. If EFalse, network presence session was closed.
+         */
+        virtual void HandleNetworkSessionStateChangeL( TBool aSessionOpen ) = 0;
+
+
+
+
+    public: //destructor
+
+        /**
+         * Inline virtual destructor.
+         * Concrete objects can be deleted through
+         * this interface.
+         */
+        virtual ~MPEngPresenceAdvancedAttrModel2() {};
+
+    };
+
+#endif      //__MPENGPRESENCEADVANCEDATTRMODEL2_H
+
+
+//  End of File
+
+