/*

* 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:  Header file for CTelDMCommandHandler class.

*

*/

#ifndef CTELDMCOMMANDHANDLER_H

#define CTELDMCOMMANDHANDLER_H

//  INCLUDE FILES   

#include    <e32base.h>

#include    <aknkeylock.h>  

#include    "mteldmcallstateobserver.h"

// FORWARD DECLARATIONS

//  CLASS DEFINITIONS 

class MTelDMAcessory;

class MPhoneDeviceModeObserver;

class MTelDMAccessory;

class CTelDMCallStateListener;

/**

* Class for command 

*

* @lib telephonydevicemode.dll

* @since 3.1

*/

NONSHARABLE_CLASS( CTelDMCommandHandler ): public CBase,

                            public MTelDMCallStateObserver

    {

    public: // constructor & destructor

        /** 

        * Two phase constructor 

        */

        static CTelDMCommandHandler* NewL( MPhoneDeviceModeObserver& aCallHandler, 

                                            MTelDMAccessory& aAccessory );

        // Destructor

        virtual ~CTelDMCommandHandler();

    public: 

        enum TCommands

            {

            EGripOpen,

            EGripClose

            };

        void HandleCommand( TCommands aCommand );

    public: // from MTelDMCallStateObserver

        /** See MTelDMCallStateObserver.h */

        void CallStateChangedL( TInt aCallState );

    private: // Constructor

        /** c++ constructor */

        CTelDMCommandHandler( MPhoneDeviceModeObserver& aCallHandler, 

                                MTelDMAccessory& aAccessory );

        /** 2nd phase constructor */

        void ConstructL();

    private:

        /**

        * Ends calls

        */

        void EndCalls();

        /**

        * Offer key lock query.

        */

        void OfferKeyLock();

        /**

        * Check emergency call

        * @return status of emergency call

        */

        TBool IsEmergencyCall() const;

        /**

        * Check soft reject

        * @return status of soft reject operation

        */

        TBool IsSoftRejectOngoing() const;

    private: 

        // Reference to device mode observer

        MPhoneDeviceModeObserver& iCallHandler;

        // Reference to accessory listene

        MTelDMAccessory& iAccessory; 

        // For keypad locking.

        RAknKeyLock iKeyLock;

        // Is grip open ?

        TBool iGripOpen;

        // Grip open when ringing state ?

        TBool iGripOpenOnRingingState; 

        // Call state

        TInt iCallState;

    };

#endif // CTELDMCOMMANDHANDLER_H

// end of file