--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/PresenceManager2/SrcNWSessionSlot/CPEngNWSessionSlotNotifier2Imp.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,162 @@
+/*
+* 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:  NWSessionSlot notifier API implementation
+*
+*/
+
+#ifndef CPENGNWSESSIONSLOTNOTIFIER2IMP_H
+#define CPENGNWSESSIONSLOTNOTIFIER2IMP_H
+
+//  INCLUDES
+#include <E32Base.h>
+#include <PEngPresenceEngineConsts2.h>
+#include "RGenericObserverArray.h"
+#include "MPEngGlobalEventObserver.h"
+
+
+
+//FORWARD DECLARATIONS
+class CPEngNWSessionSlotNotifier2;
+class CPEngNWSessionSlotEvent2;
+class CPEngNWSessionSlotEvent2Copy;
+class CPEngNWSessionSlotID2;
+class CPEngNWSessionSlotID2Imp;
+class MPEngNWSessionSlotObserver2;
+
+
+/**
+ * NWSessionSlot notifier API implementation
+ *
+ * @since 3.0
+ */
+NONSHARABLE_CLASS( CPEngNWSessionSlotNotifier2Imp ) : public CBase,
+        public MPEngGlobalEventObserver
+
+    {
+public: /* Construction */
+
+
+    /**
+     * Instantiates CPEngNWSessionSlotNotifier2Imp object.
+     *
+     * @return New CPEngNWSessionSlotNotifier2Imp instance.
+     */
+    static CPEngNWSessionSlotNotifier2Imp* NewL(
+        CPEngNWSessionSlotNotifier2& aInterface,
+        TInt aPriority );
+
+
+    /**
+     * Destructor.
+     */
+    ~CPEngNWSessionSlotNotifier2Imp();
+
+
+
+protected:
+
+    /**
+     * C++ constructor.
+     */
+    CPEngNWSessionSlotNotifier2Imp( CPEngNWSessionSlotNotifier2& aInterface,
+                                    TInt aPriority );
+
+
+    /**
+     * Symbian OS constructor.
+     */
+    void ConstructL();
+
+
+
+public: /* Session slot notifier implementation */
+
+    /**
+     * Implementation.
+     * @since 3.0
+     */
+    void StartL( const CPEngNWSessionSlotID2Imp* aSlotIdFilter,
+                 const TArray<TPEngNWSessionSlotEvent>* aEventFilter );
+
+    void Stop();
+
+    TBool IsActive() const;
+
+    TInt PushNWSessionSlotStateToObservers( const CPEngNWSessionSlotID2& aMatchPattern );
+    TInt GetNWSessionSlotState( const CPEngNWSessionSlotID2& aNWSessionSlotID,
+                                TPEngNWSessionSlotState& aState ) const;
+
+
+
+    TInt AddObserver( MPEngNWSessionSlotObserver2& aObserver );
+
+    TInt RemoveObserver( MPEngNWSessionSlotObserver2& aObserver );
+
+
+
+private: //Implementation
+
+    /**
+     * From MPEngGlobalEventObserver.
+     */
+    void HandleNewSessionSlotEventL( const CPEngSessionSlotEvent& aSessionEvent );
+    void HandleObserverError( TInt aError );
+
+
+    /**
+     * Helpers.
+     */
+    void DoNotifyNWSessionSlotStatesL(
+        const CPEngNWSessionSlotID2Imp& aSlotIdMatcher );
+
+    void DeleteFilters();
+    TBool IsEventAccepted( const CPEngNWSessionSlotID2& aNWSessionSlotID,
+                           TPEngNWSessionSlotEvent aEvent ) const;
+    void MediateNotify( TInt aError, CPEngNWSessionSlotEvent2& aEvent );
+
+
+
+
+private: //Data
+
+    //REF: Implemented interface
+    CPEngNWSessionSlotNotifier2& iInterface;
+
+    //OWN: The notifier priority
+    TInt    iCActivePriority;
+
+    //OWN: Observer array
+    RGenericObserverArray< MPEngNWSessionSlotObserver2 >   iObsArray;
+
+    //OWN: Slot ID filter
+    CPEngNWSessionSlotID2Imp*   iSlotIdFilter;
+
+    //OWN: Event filter
+    RArray<TPEngNWSessionSlotEvent>* iEventFilter;
+
+    //OWN: Event entry for notifications
+    CPEngNWSessionSlotEvent2Copy* iEventEntry;
+
+    //OWN: Flags describing the notifier state
+    //     Flag contents are either EFalse or ETrue
+    TInt8   iStarted;
+    TInt8   iDying;
+    TInt8   iSynchNotifyRunning;
+    TInt8   iReserved2;
+
+    };
+
+#endif  //CPENGNWSESSIONSLOTNOTIFIER2IMP_H
+
+// End of File