diff -r 6ca72c0fe49a -r a941bc465d9f PECengine/PresenceManager2/SrcAttribute/CPEngPresenceNotifier2Imp.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/PresenceManager2/SrcAttribute/CPEngPresenceNotifier2Imp.h	Wed Sep 01 12:31:13 2010 +0100
@@ -0,0 +1,216 @@
+/*
+* 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:  Notifier implementation to listen presence changes.
+*
+*/
+
+#ifndef CPENGPRESENCENOTIFIER2IMP_H
+#define CPENGPRESENCENOTIFIER2IMP_H
+
+//  INCLUDES
+#include "RGenericObserverArray.h"
+#include "MPEngSIDChangeObserver.h"
+#include <E32Base.h>
+
+
+
+
+
+//FORWARD DECLARATIONS
+class CPEngPresenceNotifier2;
+class CPEngNWSessionSlotStorageProxy;
+class CPEngTrackedPresenceIDs2;
+class CPEngTrackedPresenceIDCollection;
+class CPEngNWSessionSlotID2;
+class MPEngPresenceObserver2;
+class MPEngContactList2;
+class MPEngPresenceAttrManager;
+class MPEngStorageManagerWatcher;
+
+
+/**
+ * Notifier API implementation for presence attributes.
+ *
+ * @since 3.0
+ */
+NONSHARABLE_CLASS( CPEngPresenceNotifier2Imp ): public CBase,
+        public MPEngSIDChangeObserver
+    {
+public: /* Construction */
+
+
+    /**
+     * Instantiates CPEngPresenceNotifier2Imp object.
+     *
+     * @return New CPEngPresenceNotifier2Imp instance.
+     */
+    static CPEngPresenceNotifier2Imp* NewL(
+        CPEngPresenceNotifier2& aInterface,
+        TInt aPriority,
+        const CPEngNWSessionSlotID2& aNWSessionSlotID );
+
+
+    /**
+     * Destructor.
+     */
+    ~CPEngPresenceNotifier2Imp();
+
+
+
+protected:
+
+    /**
+     * C++ constructor.
+     */
+    CPEngPresenceNotifier2Imp( CPEngPresenceNotifier2& aInterface,
+                               TInt aPriority );
+
+
+    /**
+     * Symbian OS constructor.
+     */
+    void ConstructL( const CPEngNWSessionSlotID2& aNWSessionSlotID );
+
+
+
+public: /* Attribute notifier implementation */
+
+    /**
+     * Implementation.
+     * @since 3.0
+     */
+    TBool IsActive() const;
+
+    TInt Start( const MDesCArray& aPresenceIDs,
+                const TArray<TUint32>& aTypes );
+
+    void Stop();
+
+
+
+    /**
+     * Implementation.
+     * @since 3.0
+     */
+    TInt Update( const MDesCArray& aPresenceIDs,
+                 const TArray<TUint32>* aTypes,
+                 TBool aKeepOldTrackeds );
+    TInt Remove( const TDesC& aPresenceID );
+    TInt Remove( TUint32 aType );
+
+    CPEngTrackedPresenceIDs2& TrackedPresenceIDs();
+
+    TInt AddObserver( MPEngPresenceObserver2& aObserver );
+    TInt RemoveObserver( MPEngPresenceObserver2& aObserver );
+
+
+private: //from MPEngSIDChangeObserver
+
+
+    /**
+     * Handles change of the Storage IDs.
+     *
+     * @param aChangedSIDs The changed SIDs.
+     */
+    void HandleSIDsChangeL( CPtrCArray& aChangedSIDs );
+
+
+    /**
+     * Called when SIDs notifier fails.
+     *
+     * @param aError is the error code.
+     */
+    void HandleSIDNotifyError( TInt aError );
+
+
+
+private: //Implementation
+
+
+    void GenerateSidsL( CDesCArray*& aGeneratedSids,
+                        const MDesCArray& aPresenceIDs );
+    void AddTrackedAttributesL( const TArray<TUint32>& aTypes );
+    TBool RemoveTrackedAttributes( const TArray<TUint32>& aTypes );
+    void MediateNotify( TInt aError );
+    void UpdateWatcherL( CDesCArray*& aSidsList,
+                         const MDesCArray& aPresenceIDs,
+                         const TArray<TUint32>& aTypes,
+                         TBool aKeepOldTrackeds );
+
+
+    /**
+     * Notify mediator.
+     * @since 3.0
+     */
+    NONSHARABLE_CLASS( TPresenceNotifyMediator ) :
+            public MGenObserverNotifyMediator< MPEngPresenceObserver2 >
+        {
+public: //Constructor
+        TPresenceNotifyMediator( CPEngPresenceNotifier2& aNotifier,
+        CPEngTrackedPresenceIDCollection& aPresenceIds );
+
+private: //From MGenObserverNotifyMediator
+
+        void MediateNotifyL( MPEngPresenceObserver2& aObserverToNotify );
+        void MediateNotifyError( MPEngPresenceObserver2& aObserverToNotify,
+                                 TInt aLeaveError );
+
+private: //Data
+
+        //REF: The notifier argument
+        CPEngPresenceNotifier2& iNotifier;
+
+        //REF: Tracked presence Ids argument
+        CPEngTrackedPresenceIDCollection& iPresenceIds;
+        };
+
+
+private: //Data
+
+    //REF: Implemented interface
+    CPEngPresenceNotifier2& iInterface;
+
+    //OWN: The notifier priority
+    TInt    iCActivePriority;
+
+    //OWN:
+    CPEngNWSessionSlotStorageProxy* iUsedSlot;
+
+    //OWN: Attribute manager
+    MPEngPresenceAttrManager*   iAttrManager;
+
+    //OWN: Storage watcher
+    MPEngStorageManagerWatcher* iWatcher;
+
+    //OWN: Collection of tracked presence IDs
+    CPEngTrackedPresenceIDCollection*  iTrackedPresenceIDs;
+
+    //OWN: Tracked attribute types
+    RArray< TUint32 >   iTrackedAttributes;
+
+    //OWN: Observer array
+    RGenericObserverArray< MPEngPresenceObserver2 >   iObsArray;
+
+    //OWN: Flags describing the notifier state
+    //     Flag contents are either EFalse or ETrue
+    TInt8   iStarted;
+    TInt8   iDying;
+    TInt8   iReserved1;
+    TInt8   iReserved2;
+
+    };
+
+#endif  //CPENGPRESENCENOTIFIER2IMP_H
+
+// End of File