src/location/liblocationwrapper_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 25 Aug 2010 15:49:42 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt Mobility Components.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef LIBLOCATIONWRAPPER_H
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#define LIBLOCATINWRAPPER_H
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// INCLUDES
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#include <QDebug>
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#include <QFile>
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#include "qgeocoordinate.h"
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#include "qgeopositioninfo.h"
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#include "qgeosatelliteinfo.h"
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#include "gconfitem_p.h"
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extern "C" {
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   #include <glib.h>
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   #include <location/location-gpsd-control.h>
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   #include <location/location-gps-device.h>
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   #include <location/location-misc.h>
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   #include <location/location-distance-utils.h>
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}
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QTM_BEGIN_NAMESPACE
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class LiblocationWrapper : public QObject
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{
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    Q_OBJECT
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public:
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    static LiblocationWrapper *instance();
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    ~LiblocationWrapper();
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    void start();
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    void stop();
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    QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
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    bool inited();
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    bool isActive();
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    QList<QGeoSatelliteInfo> satellitesInView();
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    QList<QGeoSatelliteInfo> satellitesInUse();
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private:
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    QFile *file;
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    LocationGPSDControl *locationControl;
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    LocationGPSDevice *locationDevice;
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    static void locationError(LocationGPSDevice *device, gint code, gpointer data);
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    static void locationChanged(LocationGPSDevice *device, gpointer data);
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    int errorHandlerId;
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    int posChangedId;
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    int origUpdateInterval;
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    int startcounter;
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    QGeoPositionInfo lastUpdate;
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    QGeoPositionInfo lastSatUpdate;
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    bool validLastUpdate;
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    bool validLastSatUpdate;
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    bool fromSatellite;
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    void satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &satellites);
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    void satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &satellites);
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    QList<QGeoSatelliteInfo> satsInView;
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    QList<QGeoSatelliteInfo> satsInUse;
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    enum LocationState {
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        Undefined = 0,
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        Inited = 1,
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        Started = 2,
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        Stopped = 4,
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        RequestActive = 8,
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        RequestSingleShot = 16
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    };
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    int locationState;
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signals:
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    void positionUpdated(const QGeoPositionInfo &position);
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    void error();
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};
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QTM_END_NAMESPACE
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#endif // LIBLOCATIONWRAPPER_H