[tracking] Introduce configuration for install-tracking

- subclass of TrackingStyleConfig holds the URL that is pinged with
  information when the installation is done.

src/modules/tracking/Config.cpp

@@ -46,29 +46,50 @@ TrackingStyleConfig::setTracking( TrackingStyleConfig::TrackingState state )
     emit trackingChanged();
 }
 
+void
+TrackingStyleConfig::validateUrl( QString& urlString )
+{
+    if ( !QUrl( urlString ).isValid() )
+    {
+        if ( m_state != DisabledByConfig )
+        {
+            cError() << "URL" << urlString << "is not valid; disabling this tracking type.";
+            m_state = DisabledByConfig;
+            emit trackingChanged();
+        }
+        urlString = QString();
+    }
+}
+
+
 void
 TrackingStyleConfig::setConfigurationMap( const QVariantMap& config )
 {
     m_state = CalamaresUtils::getBool( config, "enabled", false ) ? DisabledByUser : DisabledByConfig;
     m_policy = CalamaresUtils::getString( config, "policy" );
-    if ( !QUrl( m_policy ).isValid() )
+    validateUrl( m_policy );
-    {
-        if ( m_state != DisabledByConfig )
-        {
-            cError() << "Tracking policy URL" << m_policy << "is not valid; disabling this tracking type.";
-        }
-        m_policy = QString();
-        m_state = DisabledByConfig;
-    }
-
     emit policyChanged( m_policy );
     emit trackingChanged();
 }
 
+InstallTrackingConfig::InstallTrackingConfig( QObject* parent )
+    : TrackingStyleConfig( parent )
+{
+}
+
+void
+InstallTrackingConfig::setConfigurationMap( const QVariantMap& configurationMap )
+{
+    TrackingStyleConfig::setConfigurationMap( configurationMap );
+
+    m_installTrackingUrl = CalamaresUtils::getString( configurationMap, "url" );
+    validateUrl( m_installTrackingUrl );
+}
+
 
 Config::Config( QObject* parent )
     : QObject( parent )
-    , m_installTracking( new TrackingStyleConfig( this ) )
+    , m_installTracking( new InstallTrackingConfig( this ) )
 {
 }
 

src/modules/tracking/Config.h

@@ -84,11 +84,27 @@ signals:
     void trackingChanged();
     void policyChanged( QString );
 
+protected:
+    /// @brief Validates the @p urlString, disables tracking if invalid
+    void validateUrl( QString& urlString );
+
 private:
     TrackingState m_state = DisabledByConfig;
     QString m_policy;  // URL
 };
 
+class InstallTrackingConfig : public TrackingStyleConfig
+{
+public:
+    InstallTrackingConfig( QObject* parent );
+    void setConfigurationMap( const QVariantMap& configurationMap );
+
+    QString installTrackingUrl() { return m_installTrackingUrl; }
+
+private:
+    QString m_installTrackingUrl;
+};
+
 class Config : public QObject
 {
     Q_OBJECT
@@ -109,7 +125,7 @@ signals:
 private:
     QString m_generalPolicy;
 
-    TrackingStyleConfig* m_installTracking;
+    InstallTrackingConfig* m_installTracking;
 };
 
 #endif