Don't hang weatherinfo if position source has an error.

We continue with the simulation mode.

Task-number: QTBUG-40702
Change-Id: I130b0080a198a218803986fb7ff06fdd0b83186a
Reviewed-by: Aaron McCarthy <mccarthy.aaron@gmail.com>

2 files changed, 19 insertions, 1 deletions

diff --git a/examples/positioning/weatherinfo/appmodel.cpp b/examples/positioning/weatherinfo/appmodel.cpp
index d0a37265..30d990d4 100644
--- a/examples/positioning/weatherinfo/appmodel.cpp
+++ b/examples/positioning/weatherinfo/appmodel.cpp
@@ -233,6 +233,8 @@ void AppModel::networkSessionOpened()
         d->useGps = true;
         connect(d->src, SIGNAL(positionUpdated(QGeoPositionInfo)),
                 this, SLOT(positionUpdated(QGeoPositionInfo)));
+        connect(d->src, SIGNAL(error(QGeoPositionInfoSource::Error)),
+                this, SLOT(positionError(QGeoPositionInfoSource::Error)));
         d->src->startUpdates();
     } else {
         d->useGps = false;
@@ -277,6 +279,21 @@ void AppModel::positionUpdated(QGeoPositionInfo gpsPos)
             d->geoReplyMapper, SLOT(map()));
 }
 
+void AppModel::positionError(QGeoPositionInfoSource::Error e)
+{
+    qWarning() << "Position source error. Falling back to simulation mode.";
+    // cleanup insufficient QGeoPositionInfoSource instance
+    d->src->stopUpdates();
+    d->src->deleteLater();
+    d->src = 0;
+
+    // activate simulation mode
+    d->useGps = false;
+    d->city = "Brisbane";
+    emit cityChanged();
+    this->refreshWeather();
+}
+
 void AppModel::handleGeoNetworkData(QObject *replyObj)
 {
     QNetworkReply *networkReply = qobject_cast<QNetworkReply*>(replyObj);
diff --git a/examples/positioning/weatherinfo/appmodel.h b/examples/positioning/weatherinfo/appmodel.h
index e0d32148..16297236 100644
--- a/examples/positioning/weatherinfo/appmodel.h
+++ b/examples/positioning/weatherinfo/appmodel.h
@@ -46,7 +46,7 @@
 #include <QtNetwork/QNetworkReply>
 #include <QtQml/QQmlListProperty>
 
-#include <qgeopositioninfo.h>
+#include <QtPositioning/QGeoPositionInfoSource>
 
 //! [0]
 class WeatherData : public QObject {
@@ -146,6 +146,7 @@ public slots:
 private slots:
     void networkSessionOpened();
     void positionUpdated(QGeoPositionInfo gpsPos);
+    void positionError(QGeoPositionInfoSource::Error e);
     // these would have QNetworkReply* params but for the signalmapper
     void handleGeoNetworkData(QObject *networkReply);
     void handleWeatherNetworkData(QObject *networkReply);