diff -r 000000000000 -r 094583676ce7 PECengine/PresenceManager2/SrcCommon/RGenericObserverArray.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/PresenceManager2/SrcCommon/RGenericObserverArray.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,240 @@
+/*
+* 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:  Thin templated RGenericObserverArray.
+*
+*/
+
+#ifndef __RGENERICOBSERVERARRAY_H__
+#define __RGENERICOBSERVERARRAY_H__
+
+//  INCLUDES
+#include <E32Base.h>
+#include "RGenericObserverArrayBase.h"
+
+
+
+// CLASS DECLARATION
+/**
+ * Strictly typed observer notify mediator.
+ *
+ * Template typed interface to manage observer notifications
+ * and notify errors. Typical mediator implementation
+ * should notify given observer with type specific way.
+ *
+ * Notify mediator encapsulates the observer array management
+ * (done by RGenericObserverArray) from observer type specific
+ * notify details (implemented by concrete notify mediator).
+ *
+ * @since 3.0
+ */
+template < class T >
+class MGenObserverNotifyMediator
+    {
+    public:
+
+        /**
+         * Observer notification.
+         *
+         * Template method to implement observer notification.
+         * If notification handling leaves, the leave error
+         * is reported back for the to same observer using the
+         * MediateNotifyError() method.
+         *
+         * @since 3.0
+         * @param aObserverToNotify The observer to notify.
+         * @param aNotifyData Data to use in notification.
+         */
+        virtual void MediateNotifyL( T& aObserverToNotify ) = 0;
+
+
+        /**
+         * Observer notification from error.
+         *
+         * Reports the leave error propagated from
+         * previous MediateNotifyL() call, back to mediator.
+         *
+         * @since 3.0
+         * @param aObserverToNotify The notified observer which leaved.
+         * @param aLeaveError The propagated leave code.
+         */
+        virtual void MediateNotifyError( T& aObserverToNotify, TInt aLeaveError ) = 0;
+
+
+
+    protected:
+
+        /**
+         * Protected destructor.
+         */
+        virtual ~MGenObserverNotifyMediator() {}
+    };
+
+
+
+
+// CLASS DECLARATION
+/**
+ * Type templated generic observer array to manage
+ * and notify observers.
+ *
+ * Generic observer array to manage observers and notify them
+ * Adds type safety with thin template to generic
+ * RGenericObserverArrayBase. Observer notification is done
+ * trough generic MGenObserverNotifyMediatorBase notify
+ * mediator. Array functionality supports observer remove and
+ * add during the notify loop. Array doesn't own registered
+ * observers.
+ *
+ * @since 3.0
+ */
+template < class T >
+class RGenericObserverArray :
+            private RGenericObserverArrayBase       // CSI: 70 #
+    {
+    public: //Constructor / destructor.
+
+        /**
+         * C++ constructor.
+         */
+        inline RGenericObserverArray();
+
+
+        /**
+         * Closes the array.
+         *
+         * Closes the array and frees all memory allocated to it.
+         * The function must be called before this array object
+         * goes out of scope.
+         *
+         * NOTE!
+         * The function does not delete the observers whose pointers
+         * are contained in the array.
+         */
+        void Close();
+
+
+    public:  //Methods to maintain observers
+
+
+        /**
+         * Adds observer, handles errors by returning
+         * error code.
+         *
+         * Adds observer, observer must point to valid
+         * object. If aObserver is NULL, returns KErrArgument.
+         *
+         * @since 3.0
+         * @see AddObserverL
+         * @param aObserver The observer to add.
+         * @return KErrNone is successful.
+         * KErrNoMemory if out of memory.
+         * KErrArgument if aObserver is NULL.
+         */
+        inline TInt AddObserver( const T* aObserver );
+
+
+        /**
+         * Adds observer, handles errors by leaving.
+         *
+         * Adds observer, observer must point to valid
+         * object. If aObserver is NULL, leaves with
+         * KErrArgument.
+         *
+         * @since 3.0
+         * @see AddObserver
+         * @param aObserver The observer to add.
+         */
+        inline void AddObserverL( const T* aObserver );
+
+
+        /**
+         * Removes observer.
+         *
+         * @since 3.0
+         * @param aObserver The observer to remove.
+         * @return KErrNone if observer was found, else KErrNotFound.
+         */
+        inline TInt RemoveObserver( T* aObserver );
+
+
+        /**
+         * Observer count.
+         *
+         * Gets observer count.
+         *
+         * @since 3.0
+         * @return Current observer count.
+         */
+        inline TInt Count();
+
+
+    public:  //Methods to notify observers
+
+        /**
+         * Observer notify implementation.
+         *
+         * Notifies registered observers using given
+         * observer notify mediator. Prior notify
+         * loop protects the internal observer array
+         * state against loop time observer removing.
+         *
+         * @since 3.0
+         * @param aNotifyMediator The notify mediator to
+         * use to notify the observers. Usage of mediator
+         * separates the real notify details from observer
+         * array managing details.
+         */
+        inline void NotifyObservers( MGenObserverNotifyMediator< T >& aNotifyMediator );
+
+
+
+
+        /**
+         * Observer notify implementation.
+         *
+         * Notifies registered observers using given
+         * observer notify mediator from given error.
+         * Prior notify loop protects the internal
+         * observer array state against loop time
+         * observer removing.
+         *
+         * @since 3.0
+         * @param aNotifyMediator The notify mediator to
+         * use to notify the observers. Usage of mediator
+         * separates the real notify details from observer
+         * array managing details.
+         * @param aError The error to mediate to error observers.
+         */
+        inline void NotifyErrorObservers( MGenObserverNotifyMediator< T >& aNotifyMediator,
+                                          TInt aError );
+
+
+
+        /**
+         * Checks is the notify loop running.
+         *
+         * @return ETrue if notify loop is running. Else EFalse.
+         */
+        inline TBool NotifyLoopRunning() const;
+
+    };
+
+
+// Inline methods
+#include "RGenericObserverArray.inl"
+
+#endif      //__RGENERICOBSERVERARRAY_H__
+//  End of File
+
+