KWeather Konqueror sidebar revival

Signed-off-by: Mavridis Philippe <[email protected]>

1 files changed, 99 insertions, 29 deletions

diff --git a/kweather/weatherbar.cpp b/kweather/weatherbar.cpp
index dcc5d37..b06bbd8 100644
--- a/kweather/weatherbar.cpp
+++ b/kweather/weatherbar.cpp
@@ -23,6 +23,7 @@
 #include "dockwidget.h"
 #include "sidebarwidget.h"
 
+#include <tdeapplication.h>
 #include <tqlabel.h>
 #include <tqfont.h>
 #include <tqlayout.h>
@@ -32,7 +33,9 @@
 #include <kdebug.h>
 #include <tdeconfig.h>
 #include <kstandarddirs.h>
+#include <tdeglobalsettings.h>
 #include <tdemessagebox.h>
+#include <dcopclient.h>
 #include <dcopref.h>
 
 
@@ -50,32 +53,17 @@ KonqSidebarWeather::KonqSidebarWeather(TDEInstance* inst, TQObject* parent,
 
 	kdDebug() << "Get weatherstation list... " << endl;
 
-	if (!connectDCOPSignal(0,0,
-		"fileUpdate(TQString)",
-		"refresh(TQString)",false))
+	if (!(
+		connectDCOPSignal(0, 0, "fileUpdate(TQString)",     "refresh(TQString)", false) &&
+		connectDCOPSignal(0, 0, "stationAdded(TQString)",   "updateWidgets()",   false) &&
+		connectDCOPSignal(0, 0, "stationRemoved(TQString)", "updateWidgets()",   false)
+	))
 		kdDebug() << "Could not attach signal..." << endl;
 	else
 		kdDebug() << "attached dcop signals..." << endl;
 
-	DCOPRef dcopCall( "KWeatherService", "WeatherService" );
-	DCOPReply reply = dcopCall.call("listStations()", true );
-	if ( reply.isValid() ) {
-		TQStringList replyList = reply;
-		for(int i = 0; i < replyList.size(); i++)
-		{
-			dockwidget *d = new dockwidget(m_container->viewport(), replyList[i].latin1());
-			m_container->addWidget(d, replyList[i].latin1());
-			d->resizeView(80,48);
-			d->show();
-			m_widgets.insert(replyList[i], d);
-			dcopCall.send("update(TQString)", replyList[i]);
-		}
-	}
-
 	timeOut = new TQTimer(this, "timeOut" );
-	timeOut->changeInterval(15*60000);
-	connect(timeOut, TQT_SIGNAL(timeout()), this, TQT_SLOT(update()));
-   // m_widgets.append(new dockwidget(widgetParent));
+	updateWidgets(true);
 }
 
 
@@ -102,15 +90,16 @@ void KonqSidebarWeather::refresh(TQString stationID)
 	kdDebug() << "refresh " << stationID << endl;
 	if(m_widgets.find(stationID))
 	{
+		/* These updates are seemingly now handled by dockwidget itself
 		DCOPRef dcopCall( "KWeatherService", "WeatherService" );
 		m_widgets[stationID]->setWeatherIcon(dcopCall.call("currentIcon(TQString)", stationID ,true ));
 		m_widgets[stationID]->setTemperature(dcopCall.call("temperature(TQString)", stationID,true ));
 		m_widgets[stationID]->setPressure(dcopCall.call("pressure(TQString)", stationID,true ));
 		m_widgets[stationID]->setWind(dcopCall.call("wind(TQString)", stationID,true ));
+		*/
+
 		m_widgets[stationID]->showWeather();
 	}
-	else
-		update();
 }
 
 void KonqSidebarWeather::handleURL(const KURL& url)
@@ -125,26 +114,107 @@ void KonqSidebarWeather::handlePreviewOnMouseOver(const KFileItem& item)
 {
 }
 
-void KonqSidebarWeather::update()
+void KonqSidebarWeather::updateWidgets( bool firstTime )
 {
+	kdDebug() << "updating station widgets" << endl;
 	timeOut->stop();
 	DCOPRef dcopCall( "KWeatherService", "WeatherService" );
 	DCOPReply reply = dcopCall.call("listStations()", true );
+
+	// KWeatherService might not be active at this point
+	if( !reply.isValid() ) {
+		kdDebug() << "Starting KWeatherService" << endl;
+		if( !startWeatherService() ) {
+			KMessageBox::sorry(0, i18n("Could not start the weather service!"));
+			return;
+		}
+
+		reply = dcopCall.call("listStations()", true );
+	}
+
 	if ( reply.isValid() ) {
 		TQStringList replyList = reply;
+
+		// Check for new cities
 		for(int i = 0; i < replyList.size(); i++)
 		{
 			if(!m_widgets.find(replyList[i]))
 			{
-				dockwidget *d = new dockwidget(m_container->viewport(), replyList[i].latin1());
-				m_container->addWidget(d, replyList[i].latin1());
+				TQLabel *city = new TQLabel(
+					dcopCall.call("stationName(TQString)", replyList[i], true),
+					m_container->viewport()
+				);
+				city->setPaletteBackgroundColor(TDEGlobalSettings::highlightColor());
+				city->setPaletteForegroundColor(TDEGlobalSettings::highlightedTextColor());
+				dockwidget *d = new dockwidget(replyList[i], m_container->viewport());
+				d->resizeView(TQSize(d->width(), 48));
+				city->show();
 				d->show();
+				m_labels.insert(replyList[i], city);
 				m_widgets.insert(replyList[i], d);
 			}
 			dcopCall.send("update(TQString)", replyList[i]);
 		}
+
+		// Check for removed cities
+		TQDictIterator<dockwidget> it(m_widgets);
+		for(; it.current(); ++it)
+		{
+			TQString current(it.currentKey());
+			if(!replyList.contains(current))
+			{
+				m_widgets[current]->~dockwidget();
+				m_labels[current]->~TQLabel();
+				m_widgets.remove(current);
+				m_labels.remove(current);
+			}
+		}
+	} else {
+		KMessageBox::sorry(0, i18n("The weather service is unreachable!"));
+	}
+
+	if( firstTime )
+    		timeOut->start(15*60000);
+	else
+	{
+		timeOut->changeInterval(15*60000);
+		connect(timeOut, TQT_SIGNAL(timeout()), this, TQT_SLOT(updateWidgets()));
 	}
-    	timeOut->start(15*60000);
+}
+
+bool KonqSidebarWeather::startWeatherService()
+{
+	TQByteArray data, replyData;
+	TQCString replyType;
+	TQDataStream arg(data, IO_WriteOnly);
+	arg << TQString("KWeatherService") << TQStringList();
+
+	if ( !kapp->dcopClient()->call(
+			"tdelauncher", "tdelauncher",
+			"start_service_by_name(TQString,TQStringList)",
+			data, replyType, replyData) ) {
+		kdDebug() << "Cannot start weather service: tdelauncher call failed." << endl;
+		return false;
+	}
+
+	TQDataStream reply(replyData, IO_ReadOnly);
+	if ( replyType != "serviceResult" )
+	{
+		kdDebug() << "Cannot start weather service: unknown reply type by tdelauncher." << endl;
+		return false;
+	}
+
+	int result;
+	TQCString dcopName;
+	TQString error;
+	reply >> result >> dcopName >> error;
+	if (result != 0)
+	{
+		kdDebug() << "Cannot start weather service: " << error.local8Bit().data() << endl;
+		return false;
+	}
+
+	return true;
 }
 
 extern "C"
@@ -159,8 +229,8 @@ extern "C"
                                   TQMap<TQString, TQString>* map)
     {
                     map->insert("Type","Link");
-                        map->insert("Icon","weather_sidebar");
-                        map->insert("Name",i18n("Sidebar Weather Report"));
+                        map->insert("Icon","kweather");
+                        map->insert("Name",i18n("Weather"));
                         map->insert("Open","false");
                           map->insert("X-TDE-KonqSidebarModule","weather_sidebar");
                         fn->setLatin1("weatherbar%1.desktop");