/*

* 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