1 /****************************************************************************

     2 **

     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 ** All rights reserved.

     5 ** Contact: Nokia Corporation (qt-info@nokia.com)

     6 **

     7 ** This file is part of the Qt Mobility Components.

     8 **

     9 ** $QT_BEGIN_LICENSE:LGPL$

    10 ** No Commercial Usage

    11 ** This file contains pre-release code and may not be distributed.

    12 ** You may use this file in accordance with the terms and conditions

    13 ** contained in the Technology Preview License Agreement accompanying

    14 ** this package.

    15 **

    16 ** GNU Lesser General Public License Usage

    17 ** Alternatively, this file may be used under the terms of the GNU Lesser

    18 ** General Public License version 2.1 as published by the Free Software

    19 ** Foundation and appearing in the file LICENSE.LGPL included in the

    20 ** packaging of this file.  Please review the following information to

    21 ** ensure the GNU Lesser General Public License version 2.1 requirements

    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

    23 **

    24 ** In addition, as a special exception, Nokia gives you certain additional

    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception

    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

    27 **

    28 ** If you have questions regarding the use of this file, please contact

    29 ** Nokia at qt-info@nokia.com.

    30 **

    31 **

    32 **

    33 **

    34 **

    35 **

    36 **

    37 **

    38 ** $QT_END_LICENSE$

    39 **

    40 ****************************************************************************/

    41 

    42 #ifndef LIBLOCATIONWRAPPER_H

    43 #define LIBLOCATINWRAPPER_H

    44 

    45 // INCLUDES

    46 #include <QDebug>

    47 #include <QFile>

    48 

    49 #include "qgeocoordinate.h"

    50 #include "qgeopositioninfo.h"

    51 #include "qgeosatelliteinfo.h"

    52 

    53 #include "gconfitem.h"

    54 

    55 extern "C" {

    56    #include <glib.h>

    57    #include <location/location-gpsd-control.h>

    58    #include <location/location-gps-device.h>

    59    #include <location/location-misc.h>

    60    #include <location/location-distance-utils.h>

    61 }

    62 

    63 QTM_BEGIN_NAMESPACE

    64 

    65 class LiblocationWrapper : public QObject

    66 {

    67     Q_OBJECT

    68 

    69 public:

    70     static LiblocationWrapper *instance();

    71     ~LiblocationWrapper();

    72 

    73     void start();

    74     void stop();

    75     QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;

    76     bool inited();

    77     QGeoPositionInfo position();

    78     bool fixIsValid();

    79     bool isActive();

    80     QList<QGeoSatelliteInfo> satellitesInView();

    81     QList<QGeoSatelliteInfo> satellitesInUse();

    82 

    83 private:

    84     QFile *file;

    85     LocationGPSDControl *locationControl;

    86     LocationGPSDevice *locationDevice;

    87 

    88     static void locationError(LocationGPSDevice *device, gint code, gpointer data);

    89     static void locationChanged(LocationGPSDevice *device, gpointer data);

    90 

    91     int errorHandlerId;

    92     int posChangedId;

    93     int origUpdateInterval;

    94     int startcounter;

    95     QGeoPositionInfo lastUpdate;

    96     QGeoPositionInfo lastSatUpdate;

    97     bool validLastUpdate;

    98     bool validLastSatUpdate;

    99 

   100     void satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &satellites);

   101     void satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &satellites);

   102     QList<QGeoSatelliteInfo> satsInView;

   103     QList<QGeoSatelliteInfo> satsInUse;

   104 

   105     enum LocationState {

   106         Undefined = 0,

   107         Inited = 1,

   108         Started = 2,

   109         Stopped = 4,

   110         RequestActive = 8,

   111         RequestSingleShot = 16

   112     };

   113     int locationState;

   114 

   115 private slots:

   116     void setLocation(const QGeoPositionInfo &update, bool locationValid);

   117 

   118 signals:

   119     void error();

   120 };

   121 

   122 QTM_END_NAMESPACE

   123 #endif // LIBLOCATIONWRAPPER_H