--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fmradio/fmradio/inc/fmradiobacksteppingservicewrapper.h	Wed Sep 01 12:30:32 2010 +0100
@@ -0,0 +1,126 @@
+/*
+* Copyright (c) 2005 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:  Declaration of the class CFMRadioBackSteppingServiceWrapper
+*
+*/
+
+#ifndef CFMRADIOBACKSTEPPINGSERVICEWRAPPER_H
+#define CFMRADIOBACKSTEPPINGSERVICEWRAPPER_H
+
+#include <coeview.h>
+#include <e32base.h>
+#include <vwsdef.h>
+
+class MLiwInterface;
+class CLiwGenericParamList;
+class CLiwServiceHandler;
+
+/**
+ *  Back Stepping (BS) Service wrapper.
+ */
+class CFMRadioBackSteppingServiceWrapper : public CBase, public MCoeViewActivationObserver
+    {
+
+public:
+
+    /**
+     * Static constructor.
+     * The object can be registered as view activation observer 
+     * or view activations can be notified explicitly by HandleViewActivationEventL.
+     * 
+     * @param aUid Application UID.
+     */
+    static CFMRadioBackSteppingServiceWrapper* NewL( TUid aUid );
+
+    /**
+     * Destructor.
+     */
+     ~CFMRadioBackSteppingServiceWrapper();
+
+    /**
+     * Forwards view activation event to BS Service.
+     *
+     * @param   aViewId View id of the view where back is called.
+     * @param   aEnter Indicates if it is entry or exit activation.
+     */
+    void HandleViewActivationEventL( const TVwsViewId aViewId, TBool aEnter );
+
+    /**
+     * Forwards back command to BS Service.
+     *
+     * @param   aViewId View id of the view where back is called.
+     * @return  Returns Etrue if BS Service consumed the command, otherwise returns EFalse.
+     */
+    TBool HandleBackCommandL( const TVwsViewId aViewId );
+
+private:
+
+    /**
+     * C++ default constructor.
+     */
+    CFMRadioBackSteppingServiceWrapper();
+
+    /**
+     * 2nd phase constructor
+     *
+     * @param aUid Application UID.
+     */
+    void ConstructL( TUid aUid );
+
+    /**
+     * Initializes BS Service.
+     *
+     * @param aUid Application UID.
+     */
+    void InitializeL( TUid aUid );
+
+    /**
+     * Handles the result of a LIW command
+     *
+     * @return Returns ETrue if LIW command executed, otherwise returns EFalse.
+     */
+    TBool HandleResultL();
+    
+    // from base class MCoeViewActivationObserver
+    void HandleViewActivation( const TVwsViewId& aNewlyActivatedViewId, 
+                               const TVwsViewId& aViewIdToBeDeactivated );
+
+private: // data
+
+    /**
+     * AIW Service Handler.
+     * Owned.
+     */
+    CLiwServiceHandler* iServiceHandler;
+
+    /**
+     * BS Service interface returned by LIW.
+     * Owned.
+     */
+    MLiwInterface* iBsInterface;
+
+    /**
+     * In param list.
+     * Not owned.
+     */
+    CLiwGenericParamList* iInParamList;
+
+    /**
+     * Out param list.
+     * Not owned.
+     */
+    CLiwGenericParamList* iOutParamList;
+    };
+
+#endif // CFMRADIOBACKSTEPPINGSERVICEWRAPPER_H