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39 #ifndef QGEOAREAMONITORSOURCE_H
40 #define QGEOAREAMONITORSOURCE_H
41 
42 #include <QtPositioning/QGeoCoordinate>
43 #include <QtPositioning/QGeoAreaMonitorInfo>
44 #include <QtPositioning/QGeoPositionInfoSource>
45 
46 #include <QtCore/QObject>
47 #include <QtCore/QStringList>
48 
49 QT_BEGIN_NAMESPACE
50 
51 class QGeoPositionInfo;
52 class QGeoAreaMonitorSourcePrivate;
53 class Q_POSITIONING_EXPORT QGeoAreaMonitorSource : public QObject
54 {
55     Q_OBJECT
56 
57 public:
58     enum Error {
59         AccessError = 0,
60         InsufficientPositionInfo = 1,
61         UnknownSourceError = 2,
62         NoError = 3
63     };
64     Q_ENUMS(Error)
65 
66     enum AreaMonitorFeature {
67         PersistentAreaMonitorFeature = 0x00000001,
68         AnyAreaMonitorFeature = 0xffffffff
69     };
70     Q_DECLARE_FLAGS(AreaMonitorFeatures, AreaMonitorFeature)
71 
72     explicit QGeoAreaMonitorSource(QObject *parent);
73     virtual ~QGeoAreaMonitorSource();
74 
75     static QGeoAreaMonitorSource *createDefaultSource(QObject *parent);
76     static QGeoAreaMonitorSource *createSource(const QString& sourceName, QObject *parent);
77     static QStringList availableSources();
78 
79     virtual void setPositionInfoSource(QGeoPositionInfoSource *source);
80     virtual QGeoPositionInfoSource* positionInfoSource() const;
81 
82     QString sourceName() const;
83 
84     virtual Error error() const = 0;
85     virtual AreaMonitorFeatures supportedAreaMonitorFeatures() const = 0;
86 
87     virtual bool startMonitoring(const QGeoAreaMonitorInfo &monitor) = 0;
88     virtual bool stopMonitoring(const QGeoAreaMonitorInfo &monitor) = 0;
89     virtual bool requestUpdate(const QGeoAreaMonitorInfo &monitor, const char *signal) = 0;
90 
91     virtual QList<QGeoAreaMonitorInfo> activeMonitors() const = 0;
92     virtual QList<QGeoAreaMonitorInfo> activeMonitors(const QGeoShape &lookupArea) const = 0;
93 
94 Q_SIGNALS:
95     void areaEntered(const QGeoAreaMonitorInfo &monitor, const QGeoPositionInfo &update);
96     void areaExited(const QGeoAreaMonitorInfo &monitor, const QGeoPositionInfo &update);
97     void monitorExpired(const QGeoAreaMonitorInfo &monitor);
98     void error(QGeoAreaMonitorSource::Error error);
99 
100 private:
101     Q_DISABLE_COPY(QGeoAreaMonitorSource)
102     QGeoAreaMonitorSourcePrivate *d;
103 };
104 
105 
106 QT_END_NAMESPACE
107 
108 #endif
109