/* 

 *

 * 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 HFPCONNECTIONMANAGEMENT_H

#define HFPCONNECTIONMANAGEMENT_H

#include "hfpfeaturecommons.h"

class CHsHFPSettings;

/**

 * @brief Represents "Connection management" feature

 */

class CHsHFPConnectionManagement : public CBase

    {

public:

    /**

     * Two-phased constructor.

     * 

     * @param aObserver feature observer

     * 

     * @return instance of class

     */

    static CHsHFPConnectionManagement* NewL(

            MHsHFPFeatureProviderObserver* aObserver);

    /**

     * Two-phased constructor.

     * 

     * @param aObserver feature observer

     * 

     * @return instance of class

     */

    static CHsHFPConnectionManagement* NewLC(

            MHsHFPFeatureProviderObserver* aObserver);

    /**

     * Destructor.

     */

    ~CHsHFPConnectionManagement();

public:

    /**

     * Establishes service level connection

     * 

     * @param aInputCmd input AT command

     * @param aOutputCmd response

     * 

     * @return  KErrNone if successful, otherwise one of the system-wide error

     * codes

     */

    TInt EstablishServiceLevelConnection(const CHsHFPCommand &aInputCmd,

            CHsHFPCommand &aOutputCmd);

    /**

     * Handles connection release after AG's disconnection

     * 

     * @param aErr reason of connection release

     */

    void HandleServiceLevelConnectionRelease(TInt aErr);

private:

    /**

     * Constructor for performing 1st stage construction

     * 

     * @param aObserver feature observer

     */

    CHsHFPConnectionManagement(MHsHFPFeatureProviderObserver* aObserver);

    /**

     * Constructor for performing 2nd stage construction

     */

    void ConstructL();

private:

    /**

     * Initializes settings array by retrieving the mapping between each 

     * indicator supported by the AG and its corresponding order index.

     * 

     * @param aCommand AT command

     */

    void InitializeIndicatorsL(const CHsHFPCommand* aCommand);

    /**

     * Saves current status of the AG indicators.

     * 

     * @param aCommand input AT command

     */

    void SetupIndicatorsL(const CHsHFPCommand* aCommand);

private:

    /**

     * Service level connection establishment state

     */

    enum THsHFPServiceLevelEstablishmentState

        {

        EHFPNotConnected,

        EHFPWaitingForBrsfAndOk,

        EHFPWaitingForCindTestAndOk,

        EHFPWaitingForCindReadAndOk,

        EHFPWaitingForOk,

        EHFPConnected

        };

    /** Current state of connection establishment */

    THsHFPServiceLevelEstablishmentState iEstablishmentState;

    /** Pointer to observer */

    MHsHFPFeatureProviderObserver* iObserver;

    /** Denotes if OK command is expected */

    TBool iWaitingForOK;

    /** Profile setting */

    CHsHFPSettings* iSettings;

    };

#endif // HFPCONNECTIONMANAGEMENT_H