From bec1f3b8ea934fbf047421dcbf548fcc8ebac5cf Mon Sep 17 00:00:00 2001
From: Max Lapan <max.lapan@gmail.com>
Date: Thu, 18 Mar 2010 12:08:00 +0300
Subject: [PATCH] Fixed bug with updates. Finished logging.

---
 log.cpp                 |   68 +++++++++++++++++++++++++++++++++++++++++++++++
 log.hpp                 |   23 ++++++++++++++++
 mainwidget.cpp          |   28 +++++++++++++++----
 yandex-traffic-core.pri |    4 +--
 4 files changed, 116 insertions(+), 7 deletions(-)
 create mode 100644 log.cpp
 create mode 100644 log.hpp

diff --git a/log.cpp b/log.cpp
new file mode 100644
index 0000000..a0b52cc
--- /dev/null
+++ b/log.cpp
@@ -0,0 +1,68 @@
+#include <QtCore>
+
+#include "log.hpp"
+
+
+// --------------------------------------------------
+// Log
+// --------------------------------------------------
+static Log *_log;
+
+
+Log* Log::instance ()
+{
+    if (!_log)
+        _log = new Log;
+
+    return _log;
+}
+
+
+Log::Log ()
+    : f (0)
+{
+    enable ();
+}
+
+
+void Log::initFile ()
+{
+    f = new QFile ("/tmp/yandex-traffic-widget.log");
+
+    if (!f->open (QIODevice::Text | QIODevice::Truncate | QIODevice::WriteOnly)) {
+        delete f;
+        f = NULL;
+    }
+}
+
+
+void Log::enable ()
+{
+    if (f)
+        return;
+
+    initFile ();
+}
+
+
+void Log::disable ()
+{
+    f->close ();
+    delete f;
+    f = NULL;
+}
+
+
+void Log::add (const QString &line)
+{
+    if (!f)
+        return;
+
+    // Build timestamp
+    QString ts = QDateTime::currentDateTime ().toString ("dd:MM:yy hh.mm.ss.zzz: ");
+
+    f->write (ts.toUtf8 ());
+    f->write (line.toUtf8 ());
+    f->write ("\n");
+    f->flush ();
+}
diff --git a/log.hpp b/log.hpp
new file mode 100644
index 0000000..d9f6b97
--- /dev/null
+++ b/log.hpp
@@ -0,0 +1,23 @@
+#ifndef __LOG_H__
+#define __LOG_H__
+
+
+class Log
+{
+private:
+    QFile *f;
+
+    Log ();
+    void initFile ();
+
+public:
+    static Log* instance ();
+
+    void add (const QString &line);
+
+    void disable ();
+    void enable ();
+};
+
+
+#endif // __LOG_H__
diff --git a/mainwidget.cpp b/mainwidget.cpp
index f4aa592..7e9a455 100644
--- a/mainwidget.cpp
+++ b/mainwidget.cpp
@@ -5,6 +5,7 @@
 #include "connection.hpp"
 #include "devstate.hpp"
 #include "settings.hpp"
+#include "log.hpp"
 
 
 // --------------------------------------------------
@@ -64,7 +65,6 @@ void MainWidget::paintEvent(QPaintEvent *event)
 }
 
 
-
 void MainWidget::trafficUpdated ()
 {
     ExtendedTrafficInfo info = _traffic->lookup_ext (_settings->regionID ());
@@ -105,15 +105,24 @@ void MainWidget::updateData ()
 {
     bool update = true;
 
+    Log::instance ()->add ("updateData called");
+
 #if CHECK_FOR_CONNECTION
     update = ConnectionChecker::instance ()->checkConnection (_settings->check (Settings::C_UpdateOnGSM),
                                                               _settings->check (Settings::C_UpdateOnWiFi));
-    if (!_settings->check (Settings::C_UpdateWhenLocked))
+    Log::instance ()->add (QString ("checkConnection returned %1").arg (update ? "true" : "false"));
+    if (!_settings->check (Settings::C_UpdateWhenLocked)) {
+        Log::instance ()->add ("Check for device state");
         update &= !DeviceState::instance ()->locked ();
+    }
 #endif
 
-    if (update)
+    if (update) {
+        Log::instance ()->add ("Perform update");
         _traffic->update ();
+    }
+    else
+        Log::instance ()->add ("Update not performed");
 }
 
 
@@ -154,10 +163,17 @@ void MainWidget::applySettings ()
 
     updateSize ();
 
-    if (_settings->updateInterval () < 0)
+    Log::instance ()->add (QString ("applySettings: updateInterval is %1").arg (_settings->updateInterval ()));
+
+    if (_settings->updateInterval () < 0) {
         _timer->stop ();
-    else
+        Log::instance ()->add ("Timer disabled");
+    }
+    else {
         _timer->setInterval (1000 * 60 * _settings->updateInterval ());
+        _timer->start ();
+        Log::instance ()->add (QString ("Timer interval set to %1 ms").arg (1000 * 60 * _settings->updateInterval ()));
+    }
 }
 
 
@@ -166,6 +182,8 @@ void MainWidget::mousePressEvent (QMouseEvent *event)
     QMenu menu;
     QAction *settingsAction, *updateAction, *todo;
 
+    Log::instance ()->add (QString ("mousePressEvent at %1,%2").arg (event->pos ().x ()).arg (event->pos ().y ()));
+
     settingsAction = menu.addAction (tr ("Settings"));
     updateAction = menu.addAction (tr ("Update"));
 
diff --git a/yandex-traffic-core.pri b/yandex-traffic-core.pri
index 279f265..663a514 100644
--- a/yandex-traffic-core.pri
+++ b/yandex-traffic-core.pri
@@ -1,5 +1,5 @@
-HEADERS += $$PWD/regions.hpp $$PWD/settings.hpp $$PWD/traffic.hpp $$PWD/http_fetcher.hpp $$PWD/connection.hpp $$PWD/devstate.hpp
-SOURCES += $$PWD/regions.cpp $$PWD/settings.cpp $$PWD/traffic.cpp $$PWD/http_fetcher.cpp $$PWD/connection.cpp $$PWD/devstate.cpp
+HEADERS += $$PWD/regions.hpp $$PWD/settings.hpp $$PWD/traffic.hpp $$PWD/http_fetcher.hpp $$PWD/connection.hpp $$PWD/devstate.hpp $$PWD/log.hpp
+SOURCES += $$PWD/regions.cpp $$PWD/settings.cpp $$PWD/traffic.cpp $$PWD/http_fetcher.cpp $$PWD/connection.cpp $$PWD/devstate.cpp $$PWD/log.cpp
 
 HEADERS += $$PWD/icd2_light.h $$PWD/globals.hpp
 
-- 
1.7.9.5