From d6d10c69ba454a6e555733815680acdfc0ee5402 Mon Sep 17 00:00:00 2001
From: "Javier S. Pedro" <maemo@javispedro.com>
Date: Sat, 25 Aug 2012 20:18:38 +0200
Subject: fix meecast non-automatic C -> F conversion

---
 libsowatch/weathernotification.cpp | 21 +++++++++++++++++++++
 libsowatch/weathernotification.h   |  6 ++++++
 meecastweather/meecastweather.cpp  | 26 +++++++++++++++++++++++++-
 meecastweather/meecastweather.h    |  3 +++
 4 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/libsowatch/weathernotification.cpp b/libsowatch/weathernotification.cpp
index fa82f3d..ddfd60b 100644
--- a/libsowatch/weathernotification.cpp
+++ b/libsowatch/weathernotification.cpp
@@ -6,3 +6,24 @@ WeatherNotification::WeatherNotification(QObject *parent) :
     Notification(parent)
 {
 }
+
+qreal WeatherNotification::convertTemperature(qreal temp, Unit from, Unit to)
+{
+	if (from == to) {
+		return temp;
+	} else if (from == Celsius && to == Fahrenheit) {
+		return temp * (9.0f/5.0f) + 32.0f;
+	} else if (from == Fahrenheit && to == Celsius) {
+		return (temp - 32.0f) * (5.0f/9.0f);
+	}
+}
+
+
+int WeatherNotification::convertTemperature(int temp, Unit from, Unit to)
+{
+	if (from == to) {
+		return temp;
+	} else {
+		return qRound(convertTemperature(static_cast<qreal>(temp), from, to));
+	}
+}
diff --git a/libsowatch/weathernotification.h b/libsowatch/weathernotification.h
index de3152a..843a844 100644
--- a/libsowatch/weathernotification.h
+++ b/libsowatch/weathernotification.h
@@ -32,8 +32,14 @@ public:
 	virtual WeatherType forecast() = 0;
 	virtual int temperature() = 0;
 	virtual Unit temperatureUnits() = 0;
+
+	/** Quite useful helper function. */
+	static qreal convertTemperature(qreal temp, Unit from, Unit to);
+	static int convertTemperature(int temp, Unit from, Unit to);
 };
 
+
+
 }
 
 #endif // WEATHERNOTIFICATION_H
diff --git a/meecastweather/meecastweather.cpp b/meecastweather/meecastweather.cpp
index 0263a82..fa62ab7 100644
--- a/meecastweather/meecastweather.cpp
+++ b/meecastweather/meecastweather.cpp
@@ -145,6 +145,11 @@ void MeeCastWeather::dismiss()
 	// Do nothing
 }
 
+int MeeCastWeather::convertTemperatureToUserUnit(int temp, Unit unit)
+{
+	return convertTemperature(temp, unit, _tempUnit);
+}
+
 void MeeCastWeather::fileChanged(const QString &path)
 {
 	qDebug() << "meecast config file changed: " << path;
@@ -207,7 +212,24 @@ void MeeCastWeather::parseStationFile()
 			qDebug() << "meecast reading weather info";
 
 			QDomElement root = doc.documentElement();
-			QDomNodeList list = root.elementsByTagName("period");
+			QDomNodeList list;
+			Unit tempUnit = _tempUnit;
+
+			list = root.elementsByTagName("units");
+			if (!list.isEmpty()) {
+				QDomElement units = list.at(0).toElement();
+				list = units.elementsByTagName("t");
+				if (!list.isEmpty()) {
+					QDomElement e = list.at(0).toElement();
+					if (e.text() == "C") {
+						tempUnit = Celsius;
+					} else if (e.text() == "F") {
+						tempUnit = Fahrenheit;
+					}
+				}
+			}
+
+			list = root.elementsByTagName("period");
 			for (int index = 0; index < list.size(); index++) {
 				QDomElement e = list.item(index).toElement();
 				if (e.attribute("current") == "true") {
@@ -223,6 +245,8 @@ void MeeCastWeather::parseStationFile()
 
 					int temp = e.firstChildElement("temperature").text().toInt();
 					qDebug() << "temp" << temp;
+					temp = convertTemperatureToUserUnit(temp, tempUnit);
+					qDebug() << " -> " << temp;
 					if (temp != _lastTemp) {
 						anythingChanged = true;
 						_lastTemp = temp;
diff --git a/meecastweather/meecastweather.h b/meecastweather/meecastweather.h
index 9526726..a1ac393 100644
--- a/meecastweather/meecastweather.h
+++ b/meecastweather/meecastweather.h
@@ -31,6 +31,9 @@ public:
 	void activate();
 	void dismiss();
 
+private:
+	int convertTemperatureToUserUnit(int temp, Unit unit);
+
 private slots:
 	void fileChanged(const QString& path);
 	void parseConfigFile();
-- 
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