--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwconnectionmultiplexer/inc/cncmcallbackexecuter.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2007 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:    Executes client specified callbacks
+*
+*/
+
+
+
+
+#ifndef C_CNCMCALLBACKEXECUTER_H
+#define C_CNCMCALLBACKEXECUTER_H
+
+#include <e32base.h>
+
+#include "ncmconnectionmultiplexer.hrh"
+
+/**
+ *  Encapsulates callback function.
+ *
+ *  @lib icecandidatehandler.lib
+ *  @since S60 v3.2
+ */
+class TNcmCallBack
+    {
+
+public:
+    
+    TNcmCallBack( void ( *aFunction )( CBase& aObjectRef, TUint aStreamId,
+        TUint aConnectionId, TMultiplexerConnectionNotifyType aType,
+        TInt aErrorCode ),
+        CBase& aObjectRef, TUint aStreamId, TUint aConnectionId,
+        TMultiplexerConnectionNotifyType aType, TInt aErrorCode )
+        :
+        iFunction( aFunction ),
+        iObjectRef( aObjectRef ),
+        iStreamId( aStreamId ),
+        iConnectionId( aConnectionId ),
+        iType( aType ),
+        iErrorCode( aErrorCode )
+        { };
+    
+    /**
+     * Calls encapsulated callback function with client specified parameters.
+     *
+     * @since   S60 v3.2
+     * return   void
+     */
+    void CallBack() const
+        { 
+        if ( iFunction )
+            {
+            (*iFunction)( iObjectRef, iStreamId, iConnectionId, iType,
+                    iErrorCode );
+            }
+        }
+    
+    
+private:
+    
+    TNcmCallBack();
+    
+public:
+    
+    /**
+     * A pointer to the callback function.
+     */
+    void ( *iFunction )( CBase& aObjectRef, TUint aStreamId,
+        TUint aConnectionId, TMultiplexerConnectionNotifyType aType,
+        TInt aErrorCode );
+    
+    /**
+     * A pointer that is passed to the callback function when
+     * the function is called.
+     */
+    CBase& iObjectRef;
+    
+    /**
+     * A stream ID that is passed to the callback function when
+     * the function is called.
+     */
+    TUint iStreamId;
+    
+    /**
+     * A connection ID that is passed to the callback function when
+     * the function is called.
+     */
+    TUint iConnectionId;
+    
+    /**
+     * A connection notify type that is passed to the callback function when
+     * the function is called.
+     */    
+    TMultiplexerConnectionNotifyType iType;
+    
+    /**
+     * A error code that is passed to the callback function when
+     * the function is called.     
+     */    
+    TInt iErrorCode;        
+    };
+
+
+/**
+ *  Executes client specified callbacks.
+ *
+ *  @lib connectionmux.lib
+ *  @since S60 v3.2
+ */
+NONSHARABLE_CLASS( CNcmCallBackExecuter ) : public CActive
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     */
+    static CNcmCallBackExecuter* NewL();
+    
+    /**
+     * Two-phased constructor.
+     */
+    static CNcmCallBackExecuter* NewLC();
+    
+    /**
+     * Destructor.
+     */
+    virtual ~CNcmCallBackExecuter();
+
+    /**
+     * Adds specified callback to the queue. Starts executing callbacks
+     * if queue was empty.
+     *
+     * @since   S60 v3.2
+     * @param   aCallBack       The callback to add to the queue
+     * return   void
+     */
+    void AddCallBackL( const TNcmCallBack& aCallBack );
+
+protected:
+    
+    void RunL();
+    
+    void DoCancel();
+    
+private:
+
+    CNcmCallBackExecuter();
+    
+    void ConstructL();
+    
+    void ExecuteFirstCallback();
+
+    void WaitForRequestsL();
+
+    void Wakeup();
+
+private: // data
+
+    /**
+     * Callback queue.
+     */
+    RArray<TNcmCallBack> iCallBacks;
+    };
+
+#endif // C_CNCMCALLBACKEXECUTER_H