Refresh traffic information every 5 minutes.

[yandex-traffic] / mainwidget.cpp

diff --git a/mainwidget.cpp b/mainwidget.cpp
index f6363a6..343e217 100644 (file)
--- a/mainwidget.cpp
+++ b/mainwidget.cpp
@@ -21,7 +21,13 @@ MainWidget::MainWidget ()
         layout->addWidget (_label);
         setLayout (layout);
 
-        _label->setText ("Bla-bla");
+        connect (&_traffic, SIGNAL (updated ()), SLOT (trafficUpdated ()));
+
+        // every 5 minutes (TODO, make option)
+        startTimer (5*60*1000);
+
+        // perform update just after creation
+        _traffic.update ();
 }
 
 
@@ -29,3 +35,39 @@ QSize MainWidget::sizeHint() const
 {
     return QWidget::sizeHint () + QSize (20, 0);
 }
+
+
+void MainWidget::paintEvent(QPaintEvent *event)
+{
+    QPainter p(this);
+    p.setBrush(QColor(0, 0, 0, 128));
+    p.setPen(Qt::NoPen);
+    p.drawRoundedRect(rect(), 10, 10);
+    p.end();
+
+    QWidget::paintEvent(event);
+}
+
+
+void MainWidget::timerEvent (QTimerEvent *)
+{
+    // Perform traffic information refresh
+    // TODO: only if internet connection is available
+    _traffic.update ();
+}
+
+
+void MainWidget::trafficUpdated ()
+{
+    ExtendedTrafficInfo info = _traffic.lookup_ext ("1");
+
+    if (info.valid ()) {
+        _light->setColor (info.color ());
+        _label->setText (QString ("%1, %2\n%3")
+                         .arg (QString::number (info.level ()))
+                         .arg (info.localtime ())
+                         .arg (info.hint ()));
+    }
+    else
+        _light->setColor (ExtendedTrafficInfo::Unknown);
+}