/* 

 *

 * Copyright (c) <2010> Comarch S.A. and/or its subsidiary(-ies).

 * All rights reserved.

 * This component and the accompanying materials are made available

 * under the terms of the License "Eclipse Public License v1.0"

 * which accompanies this distribution, and is available

 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

 *

 * Original Contributors:

 * Comarch S.A. - original contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef HSPINCOMINGCALLACCEPTANCE_H

#define HSPINCOMINGCALLACCEPTANCE_H

#include <e32base.h>

#include "hspfeaturecommons.h"

class CHsHSPCommand;

class CHsHSPSettings;

/**

 * @brief Represents "Accept an incoming voice call" feature

 */

class CHsHSPIncomingCallAcceptance : public CBase,

        public MHsHSPProcedureCommons

{

public:

    /**

     * Two-phased constructor.

     * 

     * @param aObserver feature observer

     * 

     * @return instance of class

     */

    static CHsHSPIncomingCallAcceptance* NewL(

            MHsHSPFeatureProviderObserver* aObserver );

    /**

     * Two-phased constructor.

     * 

     * @param aObserver feature observer

     * 

     * @return instance of class

     */

    static CHsHSPIncomingCallAcceptance* NewLC(

            MHsHSPFeatureProviderObserver* aObserver );

    /**

     * Destructor.

     */

    ~CHsHSPIncomingCallAcceptance();

public:

    //Methods inherited from MHsHSPProcedureCommons

    TInt ProcessCommand( const CHsHSPCommand* aInputCmd,

            CHsHSPCommand& aOutputCmd );

private:

    /**

     * Constructor for performing 1st stage construction

     * 

     * @param aObserver feature observer

     */

    CHsHSPIncomingCallAcceptance( MHsHSPFeatureProviderObserver* aObserver );

    /**

     * Constructor for performing 2nd stage construction

     */

    void ConstructL();

private:

    /**

     * Checks if received command is proper +CKPD

     * 

     * @param aCommand AT command

     * @return ETrue if command is AT+CKPD=200<cr><lf>, otherwise EFalse

     */

    TBool IsCKPD200( const CHsHSPCommand* aCommand );

    /**

     * Informs observer about procedure's completion

     * 

     * @param aErr error value

     */

    void InformObserver( TInt aErr );

private:

    /** Procedure's type */

    const THSPProcedure iHSPProc = EHSPCallAccept;

    /** Pointer to observer, not owned */

    MHsHSPFeatureProviderObserver* iObserver;

    /** Denotes if the next expected command is  <cr><lf> OK <cr><lf> */

    TBool iWaitingForOK;

    /** Denotes if the next expected command is  AT+CKPD=200<cr><lf> */

    TBool iWaitingForCKPD200;

};

#endif // HSPINCOMINGCALLACCEPTANCE_H