/*

* Copyright (c) 2010 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:  Implementation of pairing a Bluetooth device.

*

*/

#include "btengpairinghandler.h"

#include "btengconnman.h"

#include "btengactive.h"

#include "debug.h"

const TInt KPairingRequestId = 60;

// ======== MEMBER FUNCTIONS ========

// ---------------------------------------------------------------------------

// C++ default constructor

// ---------------------------------------------------------------------------

//

CBTEngPairingHandler::CBTEngPairingHandler( MBTEngConnObserver* aObserver, 

    CBTEngConnMan* aParent )

:   iObserver( aObserver ),

    iParent( aParent )

    {

    }

// ---------------------------------------------------------------------------

// Symbian 2nd-phase constructor

// ---------------------------------------------------------------------------

//

void CBTEngPairingHandler::ConstructL()

    {

    ASSERT( iObserver );

    iActive = CBTEngActive::NewL( *this, KPairingRequestId, 

                                   CActive::EPriorityStandard );

    }

// ---------------------------------------------------------------------------

// NewL

// ---------------------------------------------------------------------------

//

CBTEngPairingHandler* CBTEngPairingHandler::NewL( MBTEngConnObserver* aObserver, 

    CBTEngConnMan* aParent )

    {

    CBTEngPairingHandler* self = new( ELeave ) CBTEngPairingHandler( aObserver, 

                                                                      aParent );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// Destructor

// ---------------------------------------------------------------------------

//

CBTEngPairingHandler::~CBTEngPairingHandler()

    {

    delete iActive;

    iBtNotifier.Close();

    }

// ---------------------------------------------------------------------------

// ?implementation_description

// ---------------------------------------------------------------------------

//

void CBTEngPairingHandler::StartPairingL( const TBTDevAddr& aAddr, 

        TBTDeviceClass& aDeviceClass  )

    {

    TRACE_FUNC_ENTRY

    if ( !iBtNotifier.Handle() ) 

        {

        User::LeaveIfError( iBtNotifier.Connect() );

        }

    iAddr() = aAddr;

    iCod = aDeviceClass;

    iBtNotifier.PairDevice( iAddr, iCod.DeviceClass(), iActive->RequestStatus() );

    iActive->GoActive();

    TRACE_FUNC_EXIT

    }

// ---------------------------------------------------------------------------

// Cancel a pairing request.

// ---------------------------------------------------------------------------

//

void CBTEngPairingHandler::CancelPairing()

    {

    TRACE_FUNC_ENTRY

    if( iActive->IsActive() )

        {

        iBtNotifier.CancelPairDevice();

        iActive->Cancel();

        }

    }

// ---------------------------------------------------------------------------

// From class MBTEngActiveObserver.

// ?implementation_description

// ---------------------------------------------------------------------------

//

void CBTEngPairingHandler::RequestCompletedL( CBTEngActive* aActive, 

    TInt aStatus )

    {

    TRACE_FUNC_ARG( ( _L( "status: %d" ), aStatus ) )

    ASSERT( aActive->RequestId() != 0 );

    (void) aActive;

    // Pairing completes, inform client.

    iObserver->PairingComplete( iAddr(), aStatus );

    TRACE_FUNC_EXIT

    }

// ---------------------------------------------------------------------------

// From class MBTEngActiveObserver.

// Handles cancelation of an outstanding request

// ---------------------------------------------------------------------------

//

void CBTEngPairingHandler::CancelRequest( TInt aRequestId )

    {

    TRACE_FUNC_ARG( ( _L( "reqID %d" ), aRequestId ) );

    if ( aRequestId == KPairingRequestId )

        {

        iBtNotifier.CancelPairDevice();

        }

    TRACE_FUNC_EXIT 

    }

// ---------------------------------------------------------------------------

// From class MBTEngActiveObserver.

// ?implementation_description

// ---------------------------------------------------------------------------

//

void CBTEngPairingHandler::HandleError( CBTEngActive* aActive, 

    TInt aError )

    {

    // Our RunL can actually not leave, so we should never reach here.

    (void) aActive;

    (void) aError;

    }