--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmfenh/advancedaudiocontroller/audiocontrollerpluginsvariant/FileAudioOutput/Inc/FileOutputAO.h	Tue Feb 02 01:08:46 2010 +0200
@@ -0,0 +1,105 @@
+/*
+* 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:  File Audio Output
+*
+*/
+
+
+
+#ifndef CFAOASYNCHHANDLER_H
+#define CFAOASYNCHHANDLER_H
+
+// INCLUDES
+#include <e32base.h>
+
+// CONSTANTS
+const TInt KIOError        	= 1;
+
+// CLASS DECLARATION
+
+/**
+*  Interface class to be implemented by observer of the File Audio Output events generator.
+*  @since 3.0
+*/
+class MFAOEventGeneratorObserver
+    {
+    public:
+
+        /**
+        * Indicates the type of error if any.
+        * @since 3.0
+        * @param aResult A system-wide error code.
+        * @return none
+        */
+        virtual void IOError(TInt aResult) = 0;
+    };
+
+/**
+*  CFAOEventGenerator
+*
+*  @lib FileAudioOutput.lib
+*  @since 3.0
+*/
+class CFAOEventGenerator : public CActive
+    {
+    public:
+        /**
+        * Two-phased constructor.
+        */
+        static CFAOEventGenerator* NewL(MFAOEventGeneratorObserver& aObserver);
+
+        /**
+        * Request to generate event
+        * @aEvent The event to generate
+        * @aError The error to report with the event
+        * @since 3.0
+        */
+        void GenerateEvent(TInt aEvent, TInt aError);
+
+        virtual ~CFAOEventGenerator();
+
+    private:
+
+        /**
+        * C++ default constructor.
+        */
+        CFAOEventGenerator(MFAOEventGeneratorObserver& aObserver);
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+
+        void RunL();
+
+        void DoCancel();
+
+        /**
+        * Used to complete a request
+        */
+        void Ready(const TInt aStatus);
+
+    private:
+
+    	// The requested event
+    	TInt iEvent;
+
+    	// Error indicator
+    	TInt iError;
+
+        // Pointer to observer object
+        MFAOEventGeneratorObserver* iObserver;
+    };
+
+#endif 		// CFAOASYNCHHANDLER_H
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