Port away from deprecated KSycoca signal

The checks can be safely dropped, because in KService a hardcoded
list is used as the parameter.

dataengines/weather/weatherengine.cpp

@@ -28,7 +28,7 @@ WeatherEngine::WeatherEngine(QObject *parent, const QVariantList &args)
     connect(&m_networkConfigurationManager, &QNetworkConfigurationManager::onlineStateChanged, this, &WeatherEngine::onOnlineStateChanged);
 
     // Get the list of available plugins but don't load them
-    connect(KSycoca::self(), static_cast<void (KSycoca::*)(const QStringList &)>(&KSycoca::databaseChanged), this, &WeatherEngine::updateIonList);
+    connect(KSycoca::self(), static_cast<void (KSycoca::*)()>(&KSycoca::databaseChanged), this, &WeatherEngine::updateIonList);
 
     updateIonList();
 }
@@ -40,15 +40,13 @@ WeatherEngine::~WeatherEngine()
 
 /* FIXME: Q_PROPERTY functions to update the list of available plugins */
 
-void WeatherEngine::updateIonList(const QStringList &changedResources)
+void WeatherEngine::updateIonList()
 {
-    if (changedResources.isEmpty() || changedResources.contains(QLatin1String("services"))) {
+    removeAllData(QStringLiteral("ions"));
-        removeAllData(QStringLiteral("ions"));
+    const auto infos = Plasma::PluginLoader::self()->listDataEngineMetaData(QStringLiteral("weatherengine"));
-        const auto infos = Plasma::PluginLoader::self()->listDataEngineMetaData(QStringLiteral("weatherengine"));
+    for (const KPluginMetaData &info : infos) {
-        for (const KPluginMetaData &info : infos) {
+        const QString data = info.name() + QLatin1Char('|') + info.pluginId();
-            const QString data = info.name() + QLatin1Char('|') + info.pluginId();
+        setData(QStringLiteral("ions"), info.pluginId(), data);
-            setData(QStringLiteral("ions"), info.pluginId(), data);
-        }
     }
 }
 

dataengines/weather/weatherengine.h

@@ -91,7 +91,7 @@ private Q_SLOTS:
     /**
      * updates the list of ions whenever KSycoca changes (as well as on init
      */
-    void updateIonList(const QStringList &changedResources = QStringList());
+    void updateIonList();
 
 private:
     /**

libtaskmanager/launchertasksmodel.cpp

@@ -103,12 +103,9 @@ void LauncherTasksModel::Private::init()
                                            AbstractTasksModel::LauncherUrlWithoutIcon});
     });
 
-    void (KSycoca::*myDatabaseChangeSignal)(const QStringList &) = &KSycoca::databaseChanged;
+    void (KSycoca::*myDatabaseChangeSignal)() = &KSycoca::databaseChanged;
-    QObject::connect(KSycoca::self(), myDatabaseChangeSignal, q, [this](const QStringList &changedResources) {
+    QObject::connect(KSycoca::self(), myDatabaseChangeSignal, q, [this]() {
-        if (changedResources.contains(QLatin1String("services")) || changedResources.contains(QLatin1String("apps"))
+        sycocaChangeTimer.start();
-            || changedResources.contains(QLatin1String("xdgdata-apps"))) {
-            sycocaChangeTimer.start();
-        }
     });
 }
 

libtaskmanager/xwindowtasksmodel.cpp

@@ -121,12 +121,9 @@ void XWindowTasksModel::Private::init()
 
     QObject::connect(&sycocaChangeTimer, &QTimer::timeout, q, clearCacheAndRefresh);
 
-    void (KSycoca::*myDatabaseChangeSignal)(const QStringList &) = &KSycoca::databaseChanged;
+    void (KSycoca::*myDatabaseChangeSignal)() = &KSycoca::databaseChanged;
-    QObject::connect(KSycoca::self(), myDatabaseChangeSignal, q, [this](const QStringList &changedResources) {
+    QObject::connect(KSycoca::self(), myDatabaseChangeSignal, q, [this]() {
-        if (changedResources.contains(QLatin1String("services")) || changedResources.contains(QLatin1String("apps"))
+        sycocaChangeTimer.start();
-            || changedResources.contains(QLatin1String("xdgdata-apps"))) {
-            sycocaChangeTimer.start();
-        }
     });
 
     rulesConfig = KSharedConfig::openConfig(QStringLiteral("taskmanagerrulesrc"));