summaryrefslogtreecommitdiffstats
path: root/src/location/qgeopositioninfosource_geocluemaster_p.h
blob: 097f1941806b127e15a0e57535250286992d95fd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QGEOPOSITIONINFOSOURCE_GEOCLUEMASTER_H
#define QGEOPOSITIONINFOSOURCE_GEOCLUEMASTER_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists purely as an
// implementation detail.  This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//

#include <qgeopositioninfosource.h>
#include <geoclue/geoclue-master.h>
#include <geoclue/geoclue-velocity.h>
#include <QTimer>

//#define Q_LOCATION_GEOCLUE_DEBUG

QTM_BEGIN_NAMESPACE

class QGeoPositionInfoSourceGeoclueMaster : public QGeoPositionInfoSource
{
    Q_OBJECT
public:
    void positionChanged(GeocluePosition      *position,
                         GeocluePositionFields fields,
                         int                   timestamp,
                         double                latitude,
                         double                longitude,
                         double                altitude,
                         GeoclueAccuracy      *accuracy);
    QGeoPositionInfoSourceGeoclueMaster(QObject *parent = 0);
    ~QGeoPositionInfoSourceGeoclueMaster();

    // From QGeoPositionInfoSource
    void setUpdateInterval(int msec);
    QGeoPositionInfo lastKnownPosition(bool fromSatellitePositioningMethodsOnly = false) const;
    PositioningMethods supportedPositioningMethods() const;
    void setPreferredPositioningMethods(PositioningMethods methods);
    int minimumUpdateInterval() const;
    int init();

    void singleUpdateFailed();
    void singleUpdateSucceeded(GeocluePositionFields fields,
                               int                   timestamp,
                               double                latitude,
                               double                longitude,
                               double                altitude,
                               GeoclueAccuracy      *accuracy);
    void regularUpdateFailed();
    void regularUpdateSucceeded(GeocluePositionFields fields,
                                int                   timestamp,
                                double                latitude,
                                double                longitude,
                                double                altitude,
                                GeoclueAccuracy      *accuracy);
    void velocityUpdateFailed();
    void velocityUpdateSucceeded(double speed);

public slots:
    virtual void startUpdates();
    virtual void stopUpdates();
    virtual void requestUpdate(int timeout = 5000);

private slots:
    void requestUpdateTimeout();
    void startUpdatesTimeout();

private:
    bool tryGPS();
    int configurePositionSource();
    QGeoPositionInfo geoclueToPositionInfo(GeocluePositionFields fields,
                                           int                   timestamp,
                                           double                latitude,
                                           double                longitude,
                                           double                altitude,
                                           GeoclueAccuracy*      accuracy);
private:
    int m_updateInterval;
    GeoclueResourceFlags m_preferredResources;
    GeoclueAccuracyLevel m_preferredAccuracy;
    GeoclueMasterClient *m_client;
    GeocluePosition *m_pos;
    GeoclueVelocity* m_vel;
    QTimer m_updateTimer;
    QTimer m_requestTimer;
    bool m_lastPositionIsFresh;
    bool m_lastVelocityIsFresh;
    double m_lastVelocity;
    bool m_lastPositionFromSatellite;
    QGeoPositionInfo m_lastPosition;
    PositioningMethods m_methods;
};

QTM_END_NAMESPACE

#endif // QGEOPOSITIONINFOSOURCE_GEOCLUEMASTER_H