/*

* Copyright (c) 2005 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:  Concrete session class for Telephony Device Mode

*

*/

#ifndef CTELDMGRIPHANDLER_H

#define CTELDMGRIPHANDLER_H

//  INCLUDES

#include    <e32property.h>

#include    <e32base.h>

// FORWARD DECLARATIONS

class MPhoneDeviceModeObserver;

class MTelDMAccessory;

class CTelDMCommandHandler;

// CLASS DECLARATION

/**

*  Concrete session class for Telephony Device Mode

*

*  @since 3.0

*/

NONSHARABLE_CLASS( CTelDMGripHandler ) : public CActive

    {

    public: // Constructors and destructors.

        /**

        * Two-phased constructor.

        */ 

        static CTelDMGripHandler* NewL( CTelDMCommandHandler& aCommandHandler );

        /**

        * Destructor.

        */

        virtual ~CTelDMGripHandler();

    public: // New functions

    public: // Functions from base classes

    private: // Functions from base classes  

        /**

        * @see CActive::RunL.

        */

        void RunL();

        /**

        * @see CActive::DoCancel.

        */

        void DoCancel();

    private:

        /**

        * Handle notification request

        */      

        void HandleChange();

        /**

        * Start notification.

        */

        void IssueRequest();

        /**

        * Constructor.

        */

        CTelDMGripHandler( CTelDMCommandHandler& aCommandHandler );

        /**

        * Symbian OS constructor.

        */

        void ConstructL();

        /**

        * Check phone settings

        * @return Status of settings value

        */

        TBool IsSliderCallAnswer() const;

        /**

        * Check phone settings

        * @return Status of settings value

        */        

        TBool IsSliderCallEnd()const;

        /**

        * Get integer value of setting

        * @param aUid identifing the central repository UID.

        * @param aId central repository ID.

        * @param aValue the value associated with the central repository ID

        * @return

        */

            const TUid& aUid, 

            const TUint aId,

            TInt& aValue ) const;

    private:

        // Owned Publish & Subscribe instance.

        RProperty iProperty;

        // Reference to commander

        CTelDMCommandHandler& iCommandHandler;       

    };

#endif      // CTELDMGRIPHANDLER_H  

// End of File