--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PECengine/PresenceManager2/SrcCommon/RGenericObserverArrayBase.cpp	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,190 @@
+/*
+* 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:  Generic observer array.
+*
+*/
+
+// INCLUDE FILES
+#include <E32std.h>
+#include "RGenericObserverArrayBase.h"
+
+
+// ================= MEMBER FUNCTIONS =======================
+// C++ default constructor can NOT contain any code, that
+// might leave.
+//
+RGenericObserverArrayBase::RGenericObserverArrayBase()
+        : iNotifyLoopRunning( EFalse )
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::Close()
+// -----------------------------------------------------------------------------
+//
+void RGenericObserverArrayBase::Close()
+    {
+    RPointerArrayBase::Close();
+    }
+
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::AddObserver()
+// -----------------------------------------------------------------------------
+//
+TInt RGenericObserverArrayBase::AddObserver( const TAny* aObserver )
+    {
+    if ( !aObserver )
+        {
+        return KErrArgument;
+        }
+
+    return RPointerArrayBase::Append( aObserver );
+    }
+
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::RemoveObserver()
+// -----------------------------------------------------------------------------
+//
+TInt RGenericObserverArrayBase::RemoveObserver( const TAny* aObserver )
+    {
+    const TInt obsCount = RPointerArrayBase::Count();
+    for ( TInt ii( 0 ); ii < obsCount; ii++ )
+        {
+        if ( At( ii ) == aObserver )
+            {
+            //remove / blank the first found and return
+            if ( iNotifyLoopRunning )
+                {
+                RPointerArrayBase::At( ii ) = NULL;
+                }
+            else
+                {
+                RPointerArrayBase::Remove( ii );
+                }
+
+            return KErrNone;
+            }
+        }
+
+    return KErrNotFound;
+    }
+
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::Count()
+// -----------------------------------------------------------------------------
+//
+TInt RGenericObserverArrayBase::Count()
+    {
+    return RPointerArrayBase::Count();
+    }
+
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::NotifyObservers()
+// -----------------------------------------------------------------------------
+//
+void RGenericObserverArrayBase::NotifyObservers( MGenObserverNotifyMediatorBase& aNotifyMediator )
+    {
+    //Protect the observer handling against the observer
+    //remove / adding during the notify run.
+    iNotifyLoopRunning = ETrue;
+
+    //Observers might be added during notify loop
+    //==> use dynamic count
+    TInt ii;
+    for ( ii = 0; ii < Count(); ii++ )
+        {
+        TAny* obs = RPointerArrayBase::At( ii );
+        if ( obs )
+            {
+            //observer exist, notify it
+            TRAPD( err, aNotifyMediator.MediateNotifyL( obs ) );
+            if ( ( err != KErrNone ) && RPointerArrayBase::At( ii ) )
+                {
+                //handle notify caused an error and the observer is still there
+                //==>report a error to it
+                aNotifyMediator.MediateNotifyError( obs, err );
+                }
+            }
+        }
+
+    FinalizeObsArrayAfterNotifyLoop();
+    iNotifyLoopRunning = EFalse;
+    }
+
+
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::NotifyErrorObservers()
+// -----------------------------------------------------------------------------
+//
+void RGenericObserverArrayBase::NotifyErrorObservers( MGenObserverNotifyMediatorBase& aNotifyMediator,
+                                                      TInt aError )
+
+    {
+    //Protect the observer handling against the observer
+    //remove / adding during the notify run.
+    iNotifyLoopRunning = ETrue;
+
+    //Observers might be added during notify loop
+    //==> use dynamic count
+    TInt ii;
+    for ( ii = 0; ii < Count(); ii++ )
+        {
+        TAny* obs = RPointerArrayBase::At( ii );
+        if ( obs )
+            {
+            aNotifyMediator.MediateNotifyError( obs, aError );
+            }
+        }
+
+    FinalizeObsArrayAfterNotifyLoop();
+    iNotifyLoopRunning = EFalse;
+    }
+
+
+
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::IsNotifyLoopRunning()
+// -----------------------------------------------------------------------------
+//
+TBool RGenericObserverArrayBase::IsNotifyLoopRunning() const
+    {
+    return iNotifyLoopRunning;
+    }
+
+
+// -----------------------------------------------------------------------------
+// RGenericObserverArrayBase::FinalizeObsArrayAfterNotifyLoop()
+// -----------------------------------------------------------------------------
+//
+void RGenericObserverArrayBase::FinalizeObsArrayAfterNotifyLoop()
+    {
+    //finalize the array
+    for ( TInt ii = ( RPointerArrayBase::Count() - 1 ); ii >= 0; ii-- )
+        {
+        if ( RPointerArrayBase::At( ii ) == NULL )  // CSI: 64 #
+            {
+            RPointerArrayBase::Remove( ii );
+            }
+        }
+    }
+
+
+//  End of File
+