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/****************************************************************************
**
** Copyright (C) 2012 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 QGEOPOSITIONINFOSOURCE_NPE_BACKEND_H
#define QGEOPOSITIONINFOSOURCE_NPE_BACKEND_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 <qgeopositioninfosource.h>
#include <mt-client/variantstream.h>
#include <private/jsondb-strings_p.h>
#include <qlocalsocket.h>
#include <qeventloop.h>
#include <qtimer.h>
Q_USE_JSONDB_NAMESPACE
class QGeoPositionInfoSourceNpeBackend : public QGeoPositionInfoSource
{
Q_OBJECT
public:
QGeoPositionInfoSourceNpeBackend(QObject *parent = 0);
bool init();
void setUpdateInterval(int interval);
void setPreferredPositioningMethods(PositioningMethods sources);
QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
PositioningMethods supportedPositioningMethods() const;
int minimumUpdateInterval() const;
public Q_SLOTS:
void startUpdates();
void stopUpdates();
void requestUpdate(int timeout = 5000);
private:
QLocalSocket* mSocket;
VariantStream* mStream;
int minInterval;
uint supportedMethods;
QGeoPositionInfo lastPosition;
bool locationOngoing;
bool timeoutSent;
QTimer* requestTimer;
void shutdownRequestSession();
Q_SIGNALS:
void minimumUpdateIntervalReceived();
void supportedPositioningMethodsReceived();
void lastKnownPositionReceived();
private Q_SLOTS:
void onStreamReceived(const QVariantMap& map);
void onSocketConnected();
void onSocketDisconnected();
void requestTimerExpired();
};
#endif // QGEOPOSITIONINFOSOURCE_NPE_BACKEND_H
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