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50 
51 #ifndef SATELLITEMODEL_H
52 #define SATELLITEMODEL_H
53 
54 #include <QAbstractListModel>
55 #include <QSet>
56 #include <QtQml/qqml.h>
57 #include <QtQml/QQmlParserStatus>
58 #include <QtPositioning/QGeoSatelliteInfoSource>
59 
60 QT_FORWARD_DECLARE_CLASS(QTimer)
QT_FORWARD_DECLARE_CLASS(QGeoSatelliteInfoSource)61 QT_FORWARD_DECLARE_CLASS(QGeoSatelliteInfoSource)
62 
63 class SatelliteModel : public QAbstractListModel, public QQmlParserStatus
64 {
65     Q_OBJECT
66     Q_PROPERTY(bool running READ running WRITE setRunning NOTIFY runningChanged)
67     Q_PROPERTY(bool satelliteInfoAvailable READ canProvideSatelliteInfo NOTIFY canProvideSatelliteInfoChanged)
68     Q_PROPERTY(int entryCount READ entryCount NOTIFY entryCountChanged)
69     Q_PROPERTY(bool singleRequestMode READ isSingleRequest WRITE setSingleRequest NOTIFY singleRequestChanged)
70     Q_INTERFACES(QQmlParserStatus)
71 public:
72     explicit SatelliteModel(QObject *parent = 0);
73 
74     enum {
75         IdentifierRole = Qt::UserRole + 1,
76         InUseRole,
77         SignalStrengthRole,
78         ElevationRole,
79         AzimuthRole
80     };
81 
82     //From QAbstractListModel
83     int rowCount(const QModelIndex &parent) const;
84     QVariant data(const QModelIndex &index, int role) const;
85     QHash<int, QByteArray> roleNames() const;
86 
87     //From QQmlParserStatus
88     void classBegin() {}
89     void componentComplete();
90 
91     bool running() const;
92     void setRunning(bool isActive);
93 
94     bool isSingleRequest() const;
95     void setSingleRequest(bool single);
96 
97     int entryCount() const;
98 
99     bool canProvideSatelliteInfo() const;
100 
101 signals:
102     void runningChanged();
103     void entryCountChanged();
104     void errorFound(int code);
105     void canProvideSatelliteInfoChanged();
106     void singleRequestChanged();
107 
108 public slots:
109     void clearModel();
110     void updateDemoData();
111 
112 private slots:
113     void error(QGeoSatelliteInfoSource::Error);
114     void satellitesInViewUpdated(const QList<QGeoSatelliteInfo> &infos);
115     void satellitesInUseUpdated(const QList<QGeoSatelliteInfo> &infos);
116 
117 private:
118     QGeoSatelliteInfoSource *source;
119     bool m_componentCompleted;
120     bool m_running;
121     bool m_runningRequested;
122     QList <QGeoSatelliteInfo> knownSatellites;
123     QSet<int> knownSatelliteIds;
124     QSet<int> satellitesInUse;
125     bool demo;
126     QTimer *timer;
127     bool isSingle;
128     bool singleRequestServed;
129 
130 };
131 
132 QML_DECLARE_TYPE(SatelliteModel)
133 
134 #endif // SATELLITEMODEL_H
135