/*

* Copyright (c) 2008 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:  Incoming Pairing handler definition

*

*/

#ifndef BTENGINCPAIR_H_

#define BTENGINCPAIR_H_

#include <bt_sock.h>

#include "btengpairbase.h"

/**

 *  Class CBTEngIncPair

 *

 *  Handles an incoming pairing.

 *

 *  @since S60 S60 v5.1

 */

NONSHARABLE_CLASS( CBTEngIncPair ) : public CBTEngPairBase

    {

public:

    /**

     * Two-phase constructor

     * @param aParent the owner of this observer

     * @param aAddr the remote device this observer is targeted to

     */

    static CBTEngIncPair* NewL( CBTEngPairMan& aParent, 

            const TBTDevAddr& aAddr);

    /**

     * Destructor

     */

    ~CBTEngIncPair();

private: // From CBTEngPairBase

    /**

     * Start observing the result of pairing which was originated from

     * the remote device.

     * @param the address of the remote device to be paired

     * @return KErrNone if this request is accepted; otherwise an error code

     */

    TInt ObserveIncomingPair( const TBTDevAddr& aAddr );

    /**

     * Start an outgoing pairing with the remote device.

     * @param the address of the remote device to be paired

     * @return KErrNone if this request is accepted; otherwise an error code

     */

    void HandleOutgoingPairL( const TBTDevAddr& aAddr, TUint aCod );

    /**

     * Cancels pairing handling with the specified device

     * @param aAddr the address of the device the pairing is with

     */

    void StopPairHandling( const TBTDevAddr& aAddr );

    /**

     * Handle a pairing result with the remote device which this is for.

     * Must be specialized by subclass.

     *

     * @param aResult The status code of the pairing or authentication result.

     */

    void DoHandlePairServerResult( TInt aResult );

    /**

     * Handles event of registry new paired event with the remote 

     * device this is for.

     * @aType the type of authentication with the device.

     */

    void DoHandleRegistryNewPairedEvent( const TBTNamelessDevice& aDev );

private: // from base class MBTEngActiveObserver

    /**

     * From MBTEngActiveObserver.

     * Callback to notify that an outstanding request has completed.

     *

     * @since S60 v5.1

     * @param aActive Pointer to the active object that completed.

     * @param aId The ID that identifies the outstanding request.

     * @param aStatus The status of the completed request.

     */

    virtual void RequestCompletedL( CBTEngActive* aActive, TInt aId, TInt aStatus );

    /**

     * From MBTEngActiveObserver.

     * Callback to notify that an error has occurred in RunL.

     *

     * @since S60 v5.1

     * @param aActive Pointer to the active object that completed.

     * @param aId The ID that identifies the outstanding request.

     * @param aStatus The status of the completed request.

     */

    virtual void HandleError( CBTEngActive* aActive, TInt aId, TInt aError );

private:

    /**

     * C++ default constructor

     */

    CBTEngIncPair(CBTEngPairMan& aParent, const TBTDevAddr& aAddr);

    /**

     * 2nd phase constructor.

     */

    void ConstructL();

    /**

     * Start monitoring physical link events if it hasn't yet.

     *

     * @since S60 v5.1

     * 

     */

    void MonitorPhysicalLink();

    /**

     * Opens physical link adaptor with the device.

     * 

     * @since S60 v5.1

     * @return KErrNone if the physical link exists.

     * 

     */

    TInt OpenPhysicalLinkAdaptor();

    /**

     * Cancel all outstanding requests.

     *

     * @since S60 v5.1

     */

    void CancelPlaNotification();

    /**

     * Handle a physical link event.

     *

     * @since S60 v5.1

     * @param aResult The status code of the event.

     */

    void HandlePhysicalLinkResultL( TInt aResult );

private:

    /**

     * Package buffer for retrieving physical link events.

     */

    TBTBasebandEvent iBbEvent;

    /**

     * Subsession with the socket server for 

     * getting physical link event notifications.

     */

    RBTPhysicalLinkAdapter iPla;

    /**

     * iPairingOkTimer is activated if the link goes down.

     * If it expires it means the pairing process has failed, 

     * then the error popup will be shown.

     * If the pairing process ends correctly, DoHandleRegistryNewPairedEvent 

     * will be called and it will cancel the timer. 

     * iActivePairingOk is the active object associated to the timer.  

     */

    RTimer iPairingOkTimer;

    CBTEngActive* iActivePairingOk;

    };

#endif /*BTENGINCPAIR_H_*/