diff -r 0818dd463d41 -r 924385140d98 coreapplicationuis/SysAp/Inc/sysapaudioroutingobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/coreapplicationuis/SysAp/Inc/sysapaudioroutingobserver.h	Tue Aug 31 15:24:25 2010 +0300
@@ -0,0 +1,127 @@
+/*
+* 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:  Observes audio output routing changes
+*
+*/
+
+
+#ifndef SYSAPAUDIOROUTINGONBSERVER_H
+#define SYSAPAUDIOROUTINGONBSERVER_H
+
+#include <MTelephonyAudioRoutingObserver.h>
+class CSysApAppUi;
+
+/**
+ *  ?one_line_short_description
+ *
+ *  ?more_complete_description
+ *
+ *  @lib ?library
+ *  @since S60 ?S60_version *** for example, S60 v3.0
+ */
+class CSysApAudioRoutingObserver : public CBase,
+                                   public MTelephonyAudioRoutingObserver
+    {
+
+public:
+
+    /**
+    * Symbian two-phased constructor.
+    * 
+    * @param aSysApAppUi    reference to System Application's application UI class
+    */
+    static CSysApAudioRoutingObserver* NewL( CSysApAppUi& aSysApAppUi );
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CSysApAudioRoutingObserver();
+    
+    /**
+    * Returns whether audio output is routed to IHF.
+    * 
+    * @since S60 3.2
+    * @return   TBool   ETrue audios routed to IHF
+    *                   EFalse audios not routed to IHF.
+    */
+    TBool IhfEnabled() const;
+
+private: // from MTelephonyAudioRoutingObserver
+    /**
+    * Signals that available audio outputs have changed.
+    *
+    * @since S60 3.2
+    * @param CTelephonyAudioRouting& aTelephonyAudioRouting reference.
+    * @see MTelephonyAudioRoutingObserver::AvailableOutputsChanged
+    */
+    virtual void AvailableOutputsChanged( CTelephonyAudioRouting& aTelephonyAudioRouting);
+
+    /**
+    * Signals that current output has changed. 
+    *
+    * @since 60 3.2
+    * @param CTelephonyAudioRouting& aTelephonyAudioRouting reference.
+    * @see MTelephonyAudioRoutingObserver::OutputChanged
+    */
+    virtual void OutputChanged( CTelephonyAudioRouting& aTelephonyAudioRouting);
+
+    /**
+    * Signals that CTelephonyAudioRouting::SetOutputL request issued by this
+    * application (on CTelephonyAudioRouting instance) was serviced by the
+    * Adaptation.
+    *
+    * @since S60 3.2
+    * @param CTelephonyAudioRouting& aTelephonyAudioRouting reference.
+    * @param aError KErrNone if output requested by application is set, else
+    *        system-wide error code.
+    * @see MTelephonyAudioRoutingObserver::SetOutputComplete
+    */
+    virtual void SetOutputComplete( CTelephonyAudioRouting& aTelephonyAudioRouting, TInt aError);
+
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CSysApAudioRoutingObserver();
+
+    /**
+    * Constructor.
+    * 
+    * @param aSysApAppUi    reference to System Application's application UI class
+    */
+    CSysApAudioRoutingObserver( CSysApAppUi& aSysApAppUi );
+    
+    /**
+    * Symbian 2nd-phase constructor.
+    */
+    void ConstructL();
+
+private: // data
+
+    /**
+    * Telephony audio routing instance.
+    * Own.
+    */
+    CTelephonyAudioRouting* iTelephonyAudioRouting;
+
+    /**
+    * System Application application UI class.
+    */
+    CSysApAppUi& iSysApAppUi;
+
+    };
+
+
+#endif // SYSAPAUDIOROUTINGONBSERVER_H