Port away from KService.

CMakeLists.txt

@@ -55,7 +55,7 @@ find_package(Qt5 ${QT_MIN_VERSION} CONFIG REQUIRED COMPONENTS
 # Load the frameworks we need
 find_package(KF5 REQUIRED
   I18n
-  Service
+  CoreAddons
   WidgetsAddons
 )
 

src/CMakeLists.txt

@@ -45,7 +45,7 @@ target_link_libraries( kpmcore
     ${LIBATASMART_LIBRARIES}
     Qt5::DBus
     KF5::I18n
-    KF5::Service
+    KF5::CoreAddons
     KF5::WidgetsAddons
 )
 

src/backend/corebackendmanager.cpp

@@ -23,10 +23,12 @@
 #include <QDebug>
 #include <QStringList>
 #include <QString>
+#include <QVector>
 
 #include <KLocalizedString>
+#include <KPluginFactory>
 #include <KPluginLoader>
-#include <KServiceTypeTrader>
+#include <KPluginMetaData>
 
 CoreBackendManager::CoreBackendManager() :
     m_Backend(nullptr)
@@ -43,10 +45,15 @@ CoreBackendManager* CoreBackendManager::self()
     return instance;
 }
 
-KService::List CoreBackendManager::list() const
+QVector<KPluginMetaData> CoreBackendManager::list() const
 {
-    return KServiceTypeTrader::self()->query(QStringLiteral("PartitionManager/Plugin"),
-            QStringLiteral("[X-KDE-PluginInfo-Category] == 'BackendPlugin'"));
+    auto filter = [&](const KPluginMetaData &metaData) {
+        return metaData.serviceTypes().contains(QStringLiteral("PartitionManager/Plugin")) &&
+               metaData.category().contains(QStringLiteral("BackendPlugin"));
+    };
+
+    // find backend plugins in standard path (e.g. /usr/lib64/qt5/plugins) using filter from above
+    return KPluginLoader::findPlugins(QString(), filter);
 }
 
 bool CoreBackendManager::load(const QString& name)

src/backend/corebackendmanager.h

@@ -21,10 +21,11 @@
 
 #include "util/libpartitionmanagerexport.h"
 
-#include <KService>
+#include <QVector>
 
 class QString;
 class QStringList;
+class KPluginMetaData;
 class CoreBackend;
 
 /**
@@ -55,7 +56,7 @@ public:
     /**
       * @return a list of available backend plugins
       */
-    KService::List list() const;
+    QVector<KPluginMetaData> list() const;
 
     /**
        * Loads the given backend plugin into the application.