Location service: request position update

Mostly still just experimental code - now it tries to get an actual
position.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

gpslocation.cpp

@@ -1,7 +1,32 @@
 #include "gpslocation.h"
+#include <QDebug>
 
-GpsLocation::GpsLocation()
+
+GpsLocation::GpsLocation(QObject *parent)
 {
-
+	QGeoPositionInfoSource *gpsSource = QGeoPositionInfoSource::createDefaultSource(parent);
+	if (gpsSource != 0) {
+		qDebug() << "have position source" << gpsSource->sourceName();
+		connect(gpsSource, SIGNAL(positionUpdated(QGeoPositionInfo)), this, SLOT(newPosition(QGeoPositionInfo)));
+		connect(gpsSource, SIGNAL(updateTimeout()), this, SLOT(updateTimeout()));
+		lastPos = gpsSource->lastKnownPosition();
+		gpsSource->requestUpdate(1000);
+		QGeoCoordinate lastCoord = lastPos.coordinate();
+		if (lastCoord.isValid()) {
+			qDebug() << lastCoord.toString();
+		} else {
+			qDebug() << "invalid last position";
+		}
+	} else {
+		qDebug() << "don't have GPS source";
+	}
+}
+void GpsLocation::newPosition(QGeoPositionInfo pos)
+{
+	qDebug() << "received new position" << pos.coordinate().toString();
 }
 
+void GpsLocation::updateTimeout()
+{
+	qDebug() << "request to get new position timed out";
+}

gpslocation.h

@@ -1,16 +1,25 @@
 #ifndef GPSLOCATION_H
 #define GPSLOCATION_H
 
+#include <QObject>
 #include <QGeoCoordinate>
+#include <QGeoPositionInfoSource>
+#include <QGeoPositionInfo>
 
-class GpsLocation
+class GpsLocation : QObject
 {
+	Q_OBJECT
 public:
-	GpsLocation();
+	GpsLocation(QObject *parent);
+
+private:
+	QGeoPositionInfo lastPos;
 
 signals:
 
 public slots:
+	void newPosition(QGeoPositionInfo pos);
+	void updateTimeout();
 };
 
 #endif // GPSLOCATION_H

subsurface-mobile-helper.cpp

@@ -18,6 +18,8 @@
 #include "qt-mobile/qmlmanager.h"
 #include "qt-models/divelistmodel.h"
 #include "qt-mobile/qmlprofile.h"
+#include "gpslocation.h"
+GpsLocation *locationProvider;
 
 QObject *qqWindowObject = NULL;
 
@@ -52,6 +54,7 @@ void run_ui()
 	qml_window->setHeight(1200);
 	qml_window->setWidth(800);
 #endif
+	locationProvider = new GpsLocation(qml_window);
 	qml_window->show();
 	qApp->exec();
 }