--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/accessoryservices/accessoryserver/inc/ASYProxy/ASYProxyCommsStack.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,124 @@
+/*
+* Copyright (c) 2002-2004 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:  Stack for handling transactions
+*
+*/
+
+
+#ifndef CASYPROXYCOMMSSTACK_H
+#define CASYPROXYCOMMSSTACK_H
+
+// INCLUDES
+#include <e32std.h>
+#include <e32base.h>
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+class CASYProxyTRRecord;
+class CASYProxyCommandObserver;
+
+// CLASS DECLARATION
+
+/**
+*  Class for handling concurrent transactions.
+*  Uses array as a stack.
+*
+*  @lib ASYProxy.dll
+*  @since S60 3.1
+*/
+class CASYProxyCommsStack: public CBase
+    {
+    public: // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+        */
+        static CASYProxyCommsStack* NewL();
+
+        /**
+        * Destructor.
+        */
+        virtual ~CASYProxyCommsStack();
+
+    public: // New functions
+
+        /**
+        * Creates and adds a new transaction record to stack.
+        * @since S60 3.1
+        * @param aASYProxyCommandObserver Pointer to a observer
+        * @return void
+        */
+        void AddL( CASYProxyCommandObserver* aASYProxyCommandObserver );
+
+        /**
+        * Removes current transaction from stack.
+        * @since S60 3.1
+        * @param aTrId Transaction to be removed
+        * @return void
+        */
+        void Remove( TInt aTrId );
+
+        /**
+        * Removes all transactions from stack.
+        * @since S60 3.1
+        * @param void
+        * @return void
+        */
+        void RemoveAll();
+
+    public: // Functions from base classes
+
+    protected: // New functions
+
+    protected: // Functions from base classes
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CASYProxyCommsStack();
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+    public:     // Data
+
+    protected:  // Data
+
+    private:    // Data
+
+        // Array used as a stack of transactions
+        RPointerArray<CASYProxyTRRecord> iTRRecordArray;
+
+    public:     // Friend classes
+
+    protected:  // Friend classes
+
+    private:    // Friend classes
+
+    };
+
+#endif // CASYPROXYCOMMSSTACK_H
+
+// End of File