/*

* Copyright (c) 2002-2006 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:  Accessory mode.

*

*/

#ifndef CTELDMAUDIOACCESSORYLISTENER_H

#define CTELDMAUDIOACCESSORYLISTENER_H

//  INCLUDE FILES   

#include <MTelephonyAudioRoutingObserver.h>

// FORWARD DECLARATIONS

//  CLASS DEFINITIONS 

class CTelephonyAudioRouting;

/**

* Class for listening accessory mode and routing changes. 

*

* @lib telephonydevicemode.dll

* @since 3.1

*/

NONSHARABLE_CLASS( CTelDMAudioAccessoryListener ): public CBase,

                          public MTelDMAccessory,

                          public MTelephonyAudioRoutingObserver

    {

    public: // constructor & destructor

        /** 

        * Two phase constructor 

        */

        static CTelDMAudioAccessoryListener* NewL();

        // Destructor

        virtual ~CTelDMAudioAccessoryListener( );

    public: // from MTelDMAccessory

        /**

        * See MTelDMAccessory

        */

        TBool IsAccessoryAttached();

        /**

        * See MTelDMAccessory

        */

        TBool IsAnyActiveAccessory();

    public: //from  MTelephonyAudioRoutingObserver 

        void AvailableOutputsChanged( CTelephonyAudioRouting& 

                                                aTelephonyAudioRouting);

        void OutputChanged( CTelephonyAudioRouting& 

                                        aTelephonyAudioRouting);

        void SetOutputComplete( CTelephonyAudioRouting& 

                                            aTelephonyAudioRouting, 

                                            TInt aError); 

    private: // Constructor

        /** c++ constructor */

        CTelDMAudioAccessoryListener();

        /** 2nd phase constructor */

        void ConstructL();

    private: 

        // Array of available outputs         

        RArray<CTelephonyAudioRouting::TAudioOutput> iOutputArray;

        // Current accessory mode.

        TBool iIsActiveAccessory;

        // Audio routing API 

        CTelephonyAudioRouting* iAudioRouting;

    };

#endif // CTELDMAUDIOACCESSORYLISTENER_H

// End of file