--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneclientserver/phoneserver/Inc/Messenger/MPhSrvMessengerNegotiators.h	Tue Feb 02 01:11:09 2010 +0200
@@ -0,0 +1,94 @@
+/*
+* 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:  Messenger Negotiators.
+*
+*/
+
+
+#ifndef MPHSRVMESSENGERNEGOTIATORS_H
+#define MPHSRVMESSENGERNEGOTIATORS_H
+
+
+// INCLUDES
+#include <e32base.h>
+#include "PhSrvMessengerTypes.h"
+#include <CPhCltMessenger.h>
+
+// FORWARD DECLARATIONS
+class CPhSrvSubSessionBase;
+
+
+// CLASS DECLARATION
+
+
+/**
+*  Abstract messenger negotiators class.
+*
+*  @since 2.6
+*/
+class MPhSrvMessengerNegotiator
+    {
+    public: // New functions
+
+        /**
+        * Make a messenger request.
+        *
+        * @param aSubSession Subsession for messenger.
+        * @param aParameters The request parameters.
+        * @param aMessage The received message. Used also in panic situations.
+        */
+        virtual void NegotiatorRequest( 
+            CPhSrvSubSessionBase& aSubSession,
+            const TPhCltMessengerParameters& aParameters,
+            const RMessage2& aMessage ) = 0;
+
+        /**
+        * Cancel an oustanding messenger request. 
+        * If the specified subsession doesn't have an oustanding request, 
+        * then the subsession is paniced.
+        *
+        * @param aSubSession Subsession that has the messenger request.
+        * @param aRequestType The type of the request to be canceled.
+        */
+        virtual void NegotiatorRequestCancel( 
+            CPhSrvSubSessionBase& aSubSession,
+            const TPhCltMessengerCommand aRequestType ) = 0;
+
+        /**
+        * Construct, i.e. reserve space for the subsession given 
+        * as parameter.
+        *
+        * @param aSubSession Subsession that is constructed.
+        * @param aParameters The needed construct parameters.
+        * @param aMessage The message that is completed when request is ready.
+        */
+        virtual void NegotiatorRequestConstructL( 
+            CPhSrvSubSessionBase& aSubSession,
+            const TPhCltMessengerParameters& aParameters,
+            const RMessage2& aMessage ) = 0;
+
+        /**
+        * Delete, i.e. free all the space reserved for the subsession given 
+        * as parameter.
+        *
+        * @param aSubSession Subsession whose memory is freed.
+        */
+        virtual void NegotiatorRequestDelete( 
+            CPhSrvSubSessionBase& aSubSession ) = 0;
+    };
+
+#endif // MPHSRVMESSENGERNEGOTIATORS_H
+
+
+// End of File