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41
42#ifndef QGEOPOSITIONINFOSOURCE_GEOCLUEMASTER_H
43#define QGEOPOSITIONINFOSOURCE_GEOCLUEMASTER_H
44
45#include "qgeocluemaster.h"
46#include "geocluetypes.h"
47
48#include <QtCore/QTimer>
49#include <QtPositioning/QGeoPositionInfoSource>
50
51class OrgFreedesktopGeoclueInterface;
52class OrgFreedesktopGeocluePositionInterface;
53class OrgFreedesktopGeoclueVelocityInterface;
54
55QT_BEGIN_NAMESPACE
56
57class QDBusPendingCallWatcher;
58
59class QGeoPositionInfoSourceGeoclueMaster : public QGeoPositionInfoSource
60{
61 Q_OBJECT
62
63public:
64 explicit QGeoPositionInfoSourceGeoclueMaster(QObject *parent = 0);
65 ~QGeoPositionInfoSourceGeoclueMaster();
66
67 // From QGeoPositionInfoSource
68 void setUpdateInterval(int msec) override;
69 QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const override;
70 PositioningMethods supportedPositioningMethods() const override;
71 void setPreferredPositioningMethods(PositioningMethods methods) override;
72 int minimumUpdateInterval() const override;
73
74 Error error() const override;
75
76 void startUpdates() override;
77 void stopUpdates() override;
78 void requestUpdate(int timeout = 5000) override;
79
80private slots:
81 void positionProviderChanged(const QString &name, const QString &description,
82 const QString &service, const QString &path);
83 void requestUpdateTimeout();
84
85 void getPositionFinished(QDBusPendingCallWatcher *watcher);
86 void positionChanged(qint32 fields, qint32 timestamp, double latitude, double longitude,
87 double altitude, const Accuracy &accuracy);
88 void velocityChanged(qint32 fields, qint32 timestamp, double speed, double direction,
89 double climb);
90
91private:
92 void configurePositionSource();
93 void cleanupPositionSource();
94 void setOptions();
95
96 enum PositionField
97 {
98 NoPositionFields = 0,
99 Latitude = 1 << 0,
100 Longitude = 1 << 1,
101 Altitude = 1 << 2
102 };
103 Q_DECLARE_FLAGS(PositionFields, PositionField)
104
105 void updatePosition(PositionFields fields, int timestamp, double latitude,
106 double longitude, double altitude, Accuracy accuracy);
107 void positionUpdateFailed();
108
109 enum VelocityField
110 {
111 NoVelocityFields = 0,
112 Speed = 1 << 0,
113 Direction = 1 << 1,
114 Climb = 1 << 2
115 };
116 Q_DECLARE_FLAGS(VelocityFields, VelocityField)
117
118 void updateVelocity(VelocityFields fields, int timestamp, double speed, double direction,
119 double climb);
120 void velocityUpdateFailed();
121
122private:
123 QGeoclueMaster *m_master;
124
125 OrgFreedesktopGeoclueInterface *m_provider;
126 OrgFreedesktopGeocluePositionInterface *m_pos;
127 OrgFreedesktopGeoclueVelocityInterface *m_vel;
128
129 QTimer m_requestTimer;
130 bool m_lastVelocityIsFresh;
131 bool m_regularUpdateTimedOut;
132 double m_lastVelocity;
133 double m_lastDirection;
134 double m_lastClimb;
135 bool m_lastPositionFromSatellite;
136 QGeoPositionInfo m_lastPosition;
137 bool m_running;
138 QGeoPositionInfoSource::Error m_error;
139};
140
141QT_END_NAMESPACE
142
143#endif // QGEOPOSITIONINFOSOURCE_GEOCLUEMASTER_H
144

source code of qtlocation/src/plugins/position/geoclue/qgeopositioninfosource_geocluemaster.h