Use TomahawkSettings set/lastChartIds instead of QSettings

src/libtomahawk/TomahawkSettings.cpp

@@ -1368,6 +1368,19 @@ TomahawkSettings::setPlaylistUpdaters( const SerializedUpdaters& updaters )
 }
 
 
+void
+TomahawkSettings::setLastChartIds( const QVariant& ids ){
+
+    setValue( "chartIds", ids );
+}
+
+
+QVariant TomahawkSettings::lastChartIds(){
+
+    return value( "chartIds" ).value<QVariant>();
+}
+
+
 void
 TomahawkSettings::registerCustomSettingsHandlers()
 {

src/libtomahawk/TomahawkSettings.h

@@ -211,6 +211,10 @@ public:
 
     static void registerCustomSettingsHandlers();
 
+    // Charts
+    void setLastChartIds( const QVariant& ids );
+    QVariant lastChartIds();
+
 signals:
     void changed();
     void recentlyPlayedPlaylistAdded( const QString& playlistId, int sourceId  );

src/libtomahawk/widgets/WhatsHotWidget.cpp

@@ -104,7 +104,7 @@ WhatsHotWidget::WhatsHotWidget( QWidget* parent )
     connect( Tomahawk::InfoSystem::InfoSystem::instance(), SIGNAL( finished( QString ) ), SLOT( infoSystemFinished( QString ) ) );
 
     // Read last viewed charts, to be used as defaults
-    m_currentVIds = QSettings().value( "chartIds" ).toMap();
+    m_currentVIds = TomahawkSettings::instance()->lastChartIds().toMap();
 }
 
 
@@ -112,8 +112,7 @@ WhatsHotWidget::~WhatsHotWidget()
 {
     qDebug() << "Deleting whatshot";
     // Write the settings
-    QSettings().setValue( "chartIds", m_currentVIds );
+    TomahawkSettings::instance()->setLastChartIds( m_currentVIds );
-
     qDeleteAll( m_workers );
     m_workers.clear();
     m_workerThread->exit( 0 );