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

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** 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 developer.feedback@nokia.com.

**

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

// These active objects observe the changing of the sensor cenrep value

// and notify the sensorlistener when the change has ocurred.

#include "hbsensornotifyhandler_p.h"

#include "hbcommoncrkeys.h"

#include <centralrepository.h>

#include <QtGlobal>

HbSensorNotifyHandler *HbSensorNotifyHandler::NewL(HbSensorListener &aObserver)

{

    HbSensorNotifyHandler *self = new(ELeave) HbSensorNotifyHandler(aObserver);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

}

HbSensorNotifyHandler::HbSensorNotifyHandler(HbSensorListener &aObserver)

    : CActive(EPriorityStandard), mObserver(aObserver)

{

}

void HbSensorNotifyHandler::ConstructL()

{

    TRAPD(err, mRepository = CRepository::NewL(KHbSensorCenrepUid));

    if (err) {

    }

    CActiveScheduler::Add(this);

}

HbSensorNotifyHandler::~HbSensorNotifyHandler()

{

    Cancel(); //first cancel because iRepository is used there

    delete mRepository;

}

void HbSensorNotifyHandler::startObservingL()

{

    if (IsActive()) {

        return; // do nothing if already observing

    }

    User::LeaveIfError(mRepository->NotifyRequest(KHbSensorCenrepKey, iStatus));

    SetActive();

}

void HbSensorNotifyHandler::stopObserving()

{

    Cancel();

}

void HbSensorNotifyHandler::DoCancel()

{

    mRepository->NotifyCancel(KHbSensorCenrepKey);

}

void HbSensorNotifyHandler::RunL()

{

    TInt value = 0;

    TInt error = mRepository->Get(KHbSensorCenrepKey, value);

    if (error == KErrNone) {

        mObserver.cenrepValueChanged(value);

    }

    // Re-subscribe

    error = mRepository->NotifyRequest(KHbSensorCenrepKey, iStatus);

    if (error == KErrNone) {

        SetActive();

    }

}