/****************************************************************************
**
** 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 occured

#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) {
         qWarning( "mRepository::NewL fails, error code = %d", 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 allready 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();
     }
 }
 
