--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wim/Scard/src/ScardEventStack.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,110 @@
+/*
+* Copyright (c) 2003 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:  A class implementing two stacks. One is a fifo-stack of
+*               reader events, the other a random-access stack of service
+*               providers that are not used with a given reader
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    "ScardBase.h"
+#include    "ScardEventStack.h"
+#include    "ScardConnector.h"
+#include    "WimTrace.h"
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CScardEventStack::CScardEventStack
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CScardEventStack::CScardEventStack()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CScardEventStack::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CScardEventStack::ConstructL( CScardConnector* aConnector )
+    {
+    _WIMTRACE(_L("WIM|Scard|CScardEventStack::ConstructL|Begin"));
+    iConnector = aConnector;
+    iEvents = new ( ELeave ) CArrayFixFlat<TQueueEvent>( 1 );
+    }
+
+// -----------------------------------------------------------------------------
+// CScardEventStack::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CScardEventStack* CScardEventStack::NewL( CScardConnector* aConnector )
+    {
+    _WIMTRACE(_L("WIM|Scard|CScardEventStack::NewL|Begin"));
+    CScardEventStack* self = new( ELeave ) CScardEventStack;
+    
+    CleanupStack::PushL( self );
+    self->ConstructL( aConnector );
+    CleanupStack::Pop( self );
+
+    return self;
+    }
+
+    
+// Destructor
+CScardEventStack::~CScardEventStack()
+    {
+    _WIMTRACE(_L("WIM|Scard|CScardEventStack::~CScardEventStack|Begin"));
+    if ( iEvents )
+        {
+        iEvents->Reset();
+        }
+    delete iEvents;    
+    }
+
+// -----------------------------------------------------------------------------
+// CScardEventStack::QueueEvent
+// Queue event
+// -----------------------------------------------------------------------------
+//
+void CScardEventStack::QueueEvent(
+    const TReaderID aReaderID, 
+    const TScardServiceStatus aEventType )
+    {
+    _WIMTRACE(_L("WIM|Scard|CScardEventStack::QueueEvent|Begin"));
+    //  Remove any old events for this reader to ensure that no out-of-date 
+    //  events are in the stack
+    for ( TInt i( 0 ); i < iEvents->Count(); i++ )
+        {
+        if ( iEvents->At( i ).iReaderID == aReaderID )
+            {
+            iEvents->Delete( i );
+            break;
+            }
+        }
+
+    //  Add event to the stack
+    TQueueEvent event;
+    event.iEventType = aEventType;
+    event.iReaderID = aReaderID;
+    TRAPD( mem_ok, iEvents->AppendL( event ) );
+    __ASSERT_MEMORY( mem_ok );
+    }
+
+//  End of File