From 4c03c61ff245a081b1c7bc5ac163dd03a3160a5a Mon Sep 17 00:00:00 2001
From: Max Lapan <max.lapan@gmail.com>
Date: Tue, 9 Mar 2010 20:41:23 +0300
Subject: [PATCH] Refresh traffic information every 5 minutes.

---
 mainwidget.cpp |   32 +++++++++++++++++++++++++++++++-
 mainwidget.hpp |    6 ++++++
 2 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/mainwidget.cpp b/mainwidget.cpp
index 5e14ef9..343e217 100644
--- 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 ();
 }
 
 
@@ -41,3 +47,27 @@ void MainWidget::paintEvent(QPaintEvent *event)
 
     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);
+}
diff --git a/mainwidget.hpp b/mainwidget.hpp
index 65f64ab..0fb63a2 100644
--- a/mainwidget.hpp
+++ b/mainwidget.hpp
@@ -3,6 +3,7 @@
 
 #include <QtGui>
 
+#include "traffic.hpp"
 #include "settings.hpp"
 #include "regions.hpp"
 #include "light.hpp"
@@ -12,6 +13,7 @@ class MainWidget : public QWidget
 {
     Q_OBJECT
 private:
+    Traffic _traffic;
     RegionsTable _regions;
     Settings _settings;
 
@@ -25,6 +27,10 @@ public:
 
 protected:
     void paintEvent (QPaintEvent *event);
+    void timerEvent (QTimerEvent *event);
+
+protected slots:
+    void trafficUpdated ();
 };
 
 #endif /* __MAINWIDGET_H__ */
-- 
1.7.9.5