diff -r cce62ebc198e -r 93c594350b9a fmradio/fmradioengine/src/fmradioenginedosserverobserver.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fmradio/fmradioengine/src/fmradioenginedosserverobserver.cpp	Wed Sep 01 12:30:32 2010 +0100
@@ -0,0 +1,105 @@
+/*
+* 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:  Contains implementation of the CDosServerObserver class. which is the 
+*                       notification interface to the DOS Server.
+*
+*/
+
+
+//  INCLUDES
+#include <DosSvrServices.h>
+
+#include "debug.h"
+#include "fmradioengine.h"
+#include "fmradioengineradiosettings.h"
+#include "fmradioenginedosserverobserver.h"
+
+// ----------------------------------------------------
+// CDosServerObserver::CDosServerObserver
+// Default class constructor.
+// ----------------------------------------------------
+//
+CDosServerObserver::CDosServerObserver(CRadioEngine* aEngine, TRadioSettings* aRadioSettings)
+                    : iEngine(aEngine), iRadioSettings(aRadioSettings)
+    {
+    }
+
+// ----------------------------------------------------
+// CDosServerObserver::NewL
+// Two-phased class constructor.
+// ----------------------------------------------------
+//
+CDosServerObserver *CDosServerObserver::NewL(CRadioEngine* aEngine, TRadioSettings* aRadioSettings)
+    {
+    CDosServerObserver *self = new (ELeave)CDosServerObserver(aEngine, aRadioSettings);
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+    return self;
+    }
+
+
+// ----------------------------------------------------
+// CDosServerObserver::ConstructL
+// Second phase class constructor.
+// ----------------------------------------------------
+//
+void CDosServerObserver::ConstructL()
+    {
+	iRadioSettings->SetHeadsetConnected();
+    RDosServer* server = const_cast< RDosServer* >( &DosServer() );
+	User::LeaveIfError( iDosAudio.Open(*server) );
+	TRegisterEvent eventList[] = {{KHandsfreeModeChanged, sizeof(EPSHandsFreeMode),EOnlyLast}, {KHeadsetButtonChanged,sizeof(EPSButtonState),	EQueue} };
+	StartListeningL(eventList,sizeof(eventList)/sizeof(TRegisterEvent));  
+    }
+
+// ----------------------------------------------------
+// CDosServerObserver::~CDosServerObserver
+// Destructor of CDosServerObserver class.
+// ----------------------------------------------------
+//
+CDosServerObserver::~CDosServerObserver()
+    {
+    Stop(); 
+    }
+
+
+// ---------------------------------------------------------
+// CDosServerObserver::SetAudioRouting
+// ---------------------------------------------------------
+//
+TInt CDosServerObserver::SetAudioRouting(CRadioEngine::TFMRadioAudioOutput aAudioOutput)
+	{
+	TInt err(KErrNone);
+	EPSHandsFreeMode mode = (aAudioOutput == CRadioEngine::EFMRadioOutputHeadset) ? EPSIhfOff : EPSIhfOn;
+	err = iDosAudio.SetHandsfreeMode(mode);
+	return err;
+	}
+	
+// ---------------------------------------------------------
+// CDosServerObserver::HeadsetButtonChangedL
+// Handling notification about headset button state change.
+// (other items were commented in a header).
+// Status : Draft/Proposal/Approved
+// ---------------------------------------------------------
+//
+void CDosServerObserver::HeadsetButtonChangedL(EPSButtonState aState)
+   {
+   if(aState == EPSButtonUp)
+        {
+        iEngine->HandleHeadsetButtonPress();
+        }
+
+   }
+// end of file