/*

* Copyright (c) 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:  Device mode handler

*

*/

#ifndef CPEDEVICEMODEHANDLER_H

#define CPEDEVICEMODEHANDLER_H

//  INCLUDES

#include <e32base.h>

#include <mphonedevicemodeobserver.h>

// FORWARD DECLARATIONS

class MPECallHandling;

class CPEMessageHandler;

class CTelDMHandler;

/**

*  Device mode handler.

*/

NONSHARABLE_CLASS( CPEDeviceModeHandler ) : public CBase, public MPhoneDeviceModeObserver

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        * @return Pointer to created CPEDeviceModeHandler instance.

        */

        static CPEDeviceModeHandler* NewL(          

            MPECallHandling& aCallHandling,

            CPEMessageHandler& aMessageHandler );

        /**

        * Destructor.

        */

        virtual ~CPEDeviceModeHandler();

    public: // New functions

    protected:

        /**

        * @see MPhoneDeviceModeObserver

        */

        void Answer();

        /**

        * @see MPhoneDeviceModeObserver

        */

        void EndVoiceCalls();

    private: // Constructors

        /**

        * Constructor.

        */

        CPEDeviceModeHandler(           

            MPECallHandling& aCallHandling,

            CPEMessageHandler& aMessageHandler );

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Loads Telephony Device mode library.

        */

        void LoadLibraryL();

    private:    // Data

        // Library loader.

        RLibrary            iLibrary;   

        // MPECallHandling handles call related commands to CallHandling subsystem.

        MPECallHandling&    iCallHandling;

        // CPEMessageHandler object which handles messages

        CPEMessageHandler&  iMessageHandler;    

        // TelDeviceMode instance.

        CTelDMHandler*      iTelDevModeHandler;

    };

#endif      // CPEDEVICEMODEHANDLER_H

// End of File