/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#include "qmlbackendmonitorao_s60_p.h"

#include "qgeoareamonitor_s60_p.h"

#include "qmlbackendmonitorinfo_s60_p.h"

#include <lbtsessiontrigger.h>

#include <lbtgeocircle.h>

#include <lbttriggerconditionarea.h>

#include <lbttriggerentry.h>

QTM_BEGIN_NAMESPACE

//static member of the QMLBackendMonitorAO object holding the address of the object

QMLBackendMonitorAO* QMLBackendMonitorAO::iBackendMonitorAO = NULL;

//static member of the QMLBackendMonitorAO object maintaining the reference count

TInt QMLBackendMonitorAO::refCount = 0;

//request for notification of the trigger fired events

void QMLBackendMonitorAO::NotifyFiredEvent()

{

    if (!IsActive()) {

        iLbt.NotifyTriggerFired(iTriggerInfo, iStatus);

        SetActive();

    }

}

//static function called prior to the destruction of the

//singleton QMLBackendMonitorAO object

void QMLBackendMonitorAO::DeleteAO(QGeoAreaMonitorS60* aParent)

{

    //decrement the reference count

    refCount--;

    if (refCount == 0) {

        delete iBackendMonitorAO;

        iBackendMonitorAO = NULL;

    }

}

QMLBackendMonitorAO::~QMLBackendMonitorAO()

{

    Cancel();

    delete iTriggerMonitorInfo; //deletes the CBackendMonitorInfo object holding the linked list

    iLbt.Close();   //closes the subsession

}

void  QMLBackendMonitorAO::DoCancel()

{

    if (IsActive()) { //if request is still active,cancel the CancelNotifyTriggerFired request

        iLbt.CancelNotifyTriggerFired();

    }

}

void QMLBackendMonitorAO::RunL()

{

    switch (iStatus.Int()) {

        case KErrNone :

            //retrieve the triggerInfo corresponding to iTriggerInfo.iTriggerId

                                                   iTriggerInfo.iTriggerId);

            if (triggerInfo) {

                //callback called only if generated for the current AO - Trigger ID

                (triggerInfo->iParent)->handleTriggerEvent(iTriggerInfo.iFiredPositionInfo ,

                        triggerInfo->iType);

            }

            break;

        default :

            break;

    }

    //request for any trigger fired event, for any triggers owned by the client

    NotifyFiredEvent();

}

QMLBackendMonitorAO* QMLBackendMonitorAO::NewL(RLbtServer &aLbt)

{

    //increment the reference count

    refCount++;

    if (!iBackendMonitorAO) {

        iBackendMonitorAO = QMLBackendMonitorAO::NewLC(aLbt);

        CleanupStack::Pop();

    }

    return iBackendMonitorAO;

}

QMLBackendMonitorAO* QMLBackendMonitorAO::NewLC(RLbtServer &aLbtServer)

{

    QMLBackendMonitorAO *self = new(ELeave) QMLBackendMonitorAO;

    CleanupStack::PushL(self);

    self->ConstructL(aLbtServer);

    if (!self->isValid()) {

        delete self;

        self = NULL;

    }

    return self;

}

void QMLBackendMonitorAO::ConstructL(RLbtServer &aLbtServ)

{

    if (iLbt.Open(aLbtServ) == KErrNone) { //opens the subsession

        subsessionCreated = TRUE;

        iTriggerMonitorInfo = CBackendMonitorInfo::NewL();

    }

}

QMLBackendMonitorAO::QMLBackendMonitorAO()

        : CActive(EPriorityStandard), // Standard priority

        subsessionCreated(FALSE)

{

    CActiveScheduler::Add(this);

}

QTM_END_NAMESPACE