Use OProcess instead of popen/pclose and re-read config upon data re-fresh

2 files changed, 38 insertions, 33 deletions

diff --git a/noncore/todayplugins/weather/weatherpluginwidget.cpp b/noncore/todayplugins/weather/weatherpluginwidget.cpp
index 0fd8e57..6444ebf 100644
--- a/noncore/todayplugins/weather/weatherpluginwidget.cpp
+++ b/noncore/todayplugins/weather/weatherpluginwidget.cpp
@@ -12,123 +12,114 @@
     .%`+i>       _;_.
     .i_,=:_.      -<s.       This file is distributed in the hope that
      +  .  -:.       =       it will be useful, but WITHOUT ANY WARRANTY;
     : ..    .:,     . . .    without even the implied warranty of
     =_        +     =;=|`    MERCHANTABILITY or FITNESS FOR A
   _.=:.       :    :=>`:     PARTICULAR PURPOSE. See the GNU General
 ..}^=.=       =       ;      Public License for more details.
 ++=   -.     .`     .:
  :     =  ...= . :.=-        You should have received a copy of the GNU
  -.   .:....=;==+<;          General Public License along with this file;
   -_. . .   )=.  =           see the file COPYING. If not, write to the
     --        :-=`           Free Software Foundation, Inc.,
                              59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
-#include <stdio.h>
 
 #include <qfile.h>
 #include <qimage.h>
 #include <qlabel.h>
 #include <qlayout.h>
 #include <qpixmap.h>
 #include <qtextstream.h>
 
+#include <opie/oprocess.h>
+
 #include <qpe/config.h>
 #include <qpe/resource.h>
 
 #include "weatherpluginwidget.h"
 
 WeatherPluginWidget::WeatherPluginWidget( QWidget *parent,  const char* name )
 	: QWidget( parent,  name )
 {
-	Config config( "todayweatherplugin");
-	config.setGroup( "Config" );
-
-	location = config.readEntry( "Location", "" );
-	useMetric = config.readBoolEntry( "Metric", TRUE );
-	frequency = config.readNumEntry( "Frequency", 5 );
-
-	localFile = "/tmp/";
-	localFile.append( location );
-	localFile.append( ".TXT" );
-
-	remoteFile = "http://weather.noaa.gov/pub/data/observations/metar/stations/";
-	remoteFile.append( location );
-	remoteFile.append( ".TXT" );
-
 	QHBoxLayout *layout = new QHBoxLayout( this );
 	layout->setAutoAdd( TRUE );
 	layout->setSpacing( 2 );
 
 	weatherIcon = new QLabel( this );
 	weatherIcon->setMaximumWidth( 32 );
 	QImage logo1 = Resource::loadImage( "todayweatherplugin/wait" );
 	QPixmap pic;
 	pic.convertFromImage( logo1 );
 	weatherIcon->setPixmap( pic );
 
 	weatherLabel = new QLabel( tr( "Retreiving current weather information." ), this );
 	weatherLabel->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Preferred ) );
 
 	startTimer(1000);
-	//retreiveData();
 }
 
 WeatherPluginWidget::~WeatherPluginWidget()
 {
 	QFile file( localFile );
 	if ( file.exists() )
 	{
 		file.remove();
 	}
 }
 
 void WeatherPluginWidget::timerEvent( QTimerEvent *e )
 {
 	killTimer( e->timerId() );
 	retreiveData();
 }
 
 
 
 void WeatherPluginWidget::retreiveData()
 {
 	startTimer( frequency * 60000 );
 
+	Config config( "todayweatherplugin");
+	config.setGroup( "Config" );
+
+	location = config.readEntry( "Location", "" );
+	useMetric = config.readBoolEntry( "Metric", TRUE );
+	frequency = config.readNumEntry( "Frequency", 5 );
+
+	localFile = "/tmp/";
+	localFile.append( location );
+	localFile.append( ".TXT" );
+
+	remoteFile = "http://weather.noaa.gov/pub/data/observations/metar/stations/";
+	remoteFile.append( location );
+	remoteFile.append( ".TXT" );
+
 	QFile file( localFile );
 	if ( file.exists() )
 	{
 		file.remove();
 	}
 
-	QString command = "wget -q ";
-	command.append( remoteFile );
-	command.append( " -O " );
-	command.append( localFile );
-	FILE *get = popen( command.latin1(), "r" );
-	if ( get )
-	{
-		pclose( get );
-		displayWeather();
-	}
-	else
-	{
-		weatherLabel->setText( tr( "Current weather data not available.\nTry looking out the window." ) );
-	}
+	OProcess *proc = new OProcess;
+
+	*proc << "wget" << "-q" << remoteFile << "-O" << localFile;
+	connect( proc, SIGNAL( processExited( OProcess * ) ), this, SLOT( dataRetrieved( OProcess * ) ) );
+	proc->start();
 }
 
 void WeatherPluginWidget::displayWeather()
 {
 	weatherData = QString::null;
 
 	QFile file( localFile );
 	if ( file.open( IO_ReadOnly ) )
 	{
 		QTextStream data( &file );
 		while ( !data.eof() )
 		{
 			weatherData.append( data.readLine() );
 		}
 		file.close();
 		weatherData = weatherData.simplifyWhiteSpace();
@@ -306,16 +297,28 @@ void WeatherPluginWidget::getIcon(const QString &data )
 		dataStr = "tstorm";
 	}
 	else if ( data.find( "SN ", 20 ) > -1 ||
 			  data.find( "SG ", 20 ) > -1 )
 	{
 		dataStr = "snow";
 	}
 	else if ( data.find( "FZ ", 20 ) > -1 ||
 			  data.find( "GR ", 20 ) > -1 ||
 			  data.find( "GS ", 20 ) > -1 ||
 			  data.find( "PE ", 20 ) > -1 ||
 			  data.find( "IC ", 20 ) > -1 )
 	{
 		dataStr = "sleet";
 	}
 }
+
+void WeatherPluginWidget::dataRetrieved( OProcess *process )
+{
+	if ( process->normalExit() )
+	{
+		displayWeather();
+	}
+	else
+	{
+		weatherLabel->setText( tr( "Current weather data not available.\nTry looking out the window." ) );
+	}
+}
diff --git a/noncore/todayplugins/weather/weatherpluginwidget.h b/noncore/todayplugins/weather/weatherpluginwidget.h
index 2c0238d..d2bbd8b 100644
--- a/noncore/todayplugins/weather/weatherpluginwidget.h
+++ b/noncore/todayplugins/weather/weatherpluginwidget.h
@@ -19,51 +19,53 @@
 ++=   -.     .`     .:
  :     =  ...= . :.=-        You should have received a copy of the GNU
  -.   .:....=;==+<;          General Public License along with this file;
   -_. . .   )=.  =           see the file COPYING. If not, write to the
     --        :-=`           Free Software Foundation, Inc.,
                              59 Temple Place - Suite 330,
                              Boston, MA 02111-1307, USA.
 
 */
 
 #ifndef WEATHER_PLUGIN_WIDGET_H
 #define WEATHER_PLUGIN_WIDGET_H
 
 #include <qstring.h>
 #include <qwidget.h>
 
-#include <unistd.h>
-
+class OProcess;
 class QLabel;
 class QTimer;
 
 class WeatherPluginWidget : public QWidget {
 
     Q_OBJECT
 
 	public:
 		WeatherPluginWidget( QWidget *parent,  const char *name );
 		~WeatherPluginWidget();
 
 	private:
 		QString location;
 		QString remoteFile;
 		QString localFile;
 		QString weatherData;
 		QString dataStr;
 		bool    useMetric;
 		int     frequency;
 
 		QLabel *weatherLabel;
 		QLabel *weatherIcon;
 		
 		void timerEvent( QTimerEvent * );
 		void retreiveData();
 		void displayWeather();
 		void getTemp( const QString & );
 		void getWind( const QString & );
 		void getPressure( const QString & );
 		void getIcon( const QString & );
+
+	private slots:
+		void dataRetrieved( OProcess * );
 };
 
 #endif