HttpFetcher helper class for simple data fetch.

[yandex-traffic] / traffic.cpp

diff --git a/traffic.cpp b/traffic.cpp
index 2abfeed..6b29452 100644 (file)
--- a/traffic.cpp
+++ b/traffic.cpp
@@ -2,16 +2,48 @@
 #include "traffic.hpp"
 
 
+// --------------------------------------------------
+// TrafficInfo
+// --------------------------------------------------
 TrafficInfo::TrafficInfo ()
 {
 }
 
 
+// --------------------------------------------------
+// ExtendedTrafficInfo
+// --------------------------------------------------
 ExtendedTrafficInfo::ExtendedTrafficInfo ()
 {
 }
 
 
+// --------------------------------------------------
+// Traffic
+// --------------------------------------------------
 Traffic::Traffic ()
+    : QObject ()
 {
+    connect (&_fetcher, SIGNAL (done (const QByteArray&)),
+             SLOT (fetchDone (const QByteArray&)));
 }
+
+// Perform asyncronous refresh of traffic information. If another update
+// request is in progress, new is discarded. If update request finished
+// successfully, updated() signal called.
+void Traffic::update ()
+{
+    if (_fetcher.busy ())
+        return;
+
+    _fetcher.fetch ("http://trf.maps.yandex.net/trf/stat.xml");
+}
+
+
+void Traffic::fetchDone (const QByteArray& data)
+{
+    printf ("Got %d bytes of data\n", data.size ());
+//    printf ("Data:\n%s\n", data.data ());
+    updated ();
+}
+