2 Situare - A location system for Facebook
3 Copyright (C) 2010 Ixonos Plc. Authors:
5 Jussi Laitinen - jussi.laitinen@ixonos.com
7 Situare is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License
9 version 2 as published by the Free Software Foundation.
11 Situare is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Situare; if not, write to the Free Software
18 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22 #include <QGeoPositionInfoSource>
23 #include <QNmeaPositionInfoSource>
26 #include <QApplication>
30 #include "gpscommon.h"
31 #include "gpsposition.h"
32 #include "gpspositionprivate.h"
34 GPSPositionPrivate::GPSPositionPrivate(QObject *parent)
38 m_updateInterval(DEFAULT_UPDATE_INTERVAL)
40 m_parent = static_cast<GPSPosition*>(parent);
43 void GPSPositionPrivate::setMode(GPSPosition::Mode mode, const QString &filePath)
46 disconnect(m_gpsSource, 0, 0, 0);
50 if (mode == GPSPosition::Default)
51 m_gpsSource = QGeoPositionInfoSource::createDefaultSource(this);
53 if ((!m_gpsSource) || (mode == GPSPosition::Simulation)) {
54 qDebug() << "Using NMEA info source.";
55 QNmeaPositionInfoSource *nmeaSource = new QNmeaPositionInfoSource(
56 QNmeaPositionInfoSource::SimulationMode, this);
57 QFile *logFile = new QFile(filePath, this);
59 nmeaSource->setDevice(logFile);
60 m_gpsSource = nmeaSource;
64 connect(m_gpsSource, SIGNAL(positionUpdated(const QGeoPositionInfo &)),
65 this, SLOT(positionUpdated(const QGeoPositionInfo &)));
66 connect(m_gpsSource, SIGNAL(updateTimeout()), this, SLOT(updateTimeout()));
68 m_gpsSource->setUpdateInterval(m_updateInterval);
72 void GPSPositionPrivate::start()
74 qDebug() << __PRETTY_FUNCTION__;
76 if (m_gpsSource && !isRunning()) {
77 m_gpsSource->startUpdates();
82 void GPSPositionPrivate::stop()
84 qDebug() << __PRETTY_FUNCTION__;
86 if (m_gpsSource && isRunning()) {
87 m_gpsSource->stopUpdates();
92 bool GPSPositionPrivate::isRunning()
94 qDebug() << __PRETTY_FUNCTION__;
99 QPointF GPSPositionPrivate::lastPosition()
101 QGeoCoordinate coordinate = m_gpsSource->lastKnownPosition().coordinate();
102 return QPointF(coordinate.longitude(), coordinate.latitude());
105 void GPSPositionPrivate::requestLastPosition()
107 qDebug() << __PRETTY_FUNCTION__;
109 QGeoCoordinate coordinate = m_gpsSource->lastKnownPosition().coordinate();
111 if (coordinate.isValid()) {
112 emit m_parent->position(QPointF(coordinate.longitude(), coordinate.latitude()),
113 accuracy(m_gpsSource->lastKnownPosition()));
117 void GPSPositionPrivate::positionUpdated(const QGeoPositionInfo &positionInfo)
119 qDebug() << __PRETTY_FUNCTION__ << positionInfo;
121 if (positionInfo.coordinate().isValid()) {
122 emit m_parent->position(QPointF(positionInfo.coordinate().longitude(),
123 positionInfo.coordinate().latitude()),
124 accuracy(positionInfo));
128 void GPSPositionPrivate::updateTimeout()
130 qDebug() << __PRETTY_FUNCTION__;
132 emit m_parent->timeout();
135 void GPSPositionPrivate::setUpdateInterval(int interval)
137 qDebug() << __PRETTY_FUNCTION__;
139 if (m_updateInterval != interval) {
140 m_updateInterval = interval;
141 m_gpsSource->setUpdateInterval(m_updateInterval);
145 qreal GPSPositionPrivate::accuracy(const QGeoPositionInfo &positionInfo)
147 qDebug() << __PRETTY_FUNCTION__;
152 timestamp = positionInfo.dateTime();
154 timestamp = positionInfo.timestamp();
157 if (!timestamp.isValid())
158 return GPS_ACCURACY_UNDEFINED;
160 if (positionInfo.hasAttribute(QGeoPositionInfo::HorizontalAccuracy))
161 return positionInfo.attribute(QGeoPositionInfo::HorizontalAccuracy);
163 return GPS_ACCURACY_UNDEFINED;