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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtLocation module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMLBACKENDAO_H
#define QMLBACKENDAO_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <e32base.h> // For CActive, link against: euser.lib
#include <lbs.h>
#include <lbscommon.h>
#include <lbssatellite.h>
#include "qgeopositioninfosource.h"
//#include "qgeopositioninfosources60.h"
QT_BEGIN_NAMESPACE
class CQGeoPositionInfoSourceS60 ;
class CQGeoSatelliteInfoSourceS60;
// Types of request
enum RequestType {
RegularUpdate = 1, // Regular updates
OnceUpdate, // request update
DeviceStatus // device updates
};
//
class CQMLBackendAO : public CActive
{
public:
// Cancel and destroy
~CQMLBackendAO();
// Two-phased constructor.
static CQMLBackendAO* NewL(QObject *aRequester,
RequestType aRequestType, TPositionModuleId aModId = TUid::Uid(0)
);
// Two-phased constructor.
static CQMLBackendAO* NewLC(QObject *aRequester,
RequestType aRequestType, TPositionModuleId aModID);
// checks any pending request in activeobject
bool isRequestPending();
// Async call to get notifications about device status.
void notifyDeviceStatus(TPositionModuleStatusEventBase &aStatusEvent) ;
// requesting for position update once
void requestUpdate(int aTimeout);
// cancels an outstanding update request
void cancelUpdate();
// Sets an interval in millisecs for regular notifications
int setUpdateInterval(int aMilliSec);
void startUpdates();
private:
// C++ constructor
CQMLBackendAO();
// Second-phase constructor
TInt ConstructL(QObject *aRequester, RequestType aRequestType,
TPositionModuleId aModId);
// Device Notifications are handled
void handleDeviceNotification(int aError);
// regular position notifications are handled
void handlePosUpdateNotification(int aError);
void CancelAll();
bool initializePosInfo();
private:
// From CActive
// Handle completion
void RunL();
// How to cancel me
void DoCancel();
// Override to handle leaves from RunL(). Default implementation causes
// the active scheduler to panic.
int RunError(int aError);
private:
HPositionGenericInfo *mPosInfo;
// Request is a device or a regular
CQGeoPositionInfoSourceS60 *mRequester;
//Request is a device for Satellite update only
CQGeoSatelliteInfoSourceS60 *mRequesterSatellite;
// Request type once, regular, device
RequestType mRequestType;
// Positioning Information
RPositioner mPositioner;
TPositionSatelliteInfo mPosSatInfo;
};
QT_END_NAMESPACE
#endif // QMLBACKENDAO_H
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