[plasmalnf] Simplify code, remove redundant implementations

src/modules/plasmalnf/CMakeLists.txt

@@ -1,6 +1,6 @@
 find_package(ECM ${ECM_VERSION} REQUIRED NO_MODULE)
 
-find_package( KF5 5.29 REQUIRED CoreAddons Plasma Service Package )
+find_package( KF5 5.29 REQUIRED CoreAddons Plasma Package )
 
 calamares_add_plugin( plasmalnf
     TYPE viewmodule
@@ -16,6 +16,5 @@ calamares_add_plugin( plasmalnf
         calamaresui
         KF5::Package
         KF5::Plasma
-        KF5::Service
     SHARED_LIB
 )

src/modules/plasmalnf/PlasmaLnfInfo.cpp

@@ -38,88 +38,6 @@
 namespace Calamares
 {
 
-QStringList themes_by_package()
-{
-    QStringList packages;
-
-    QList<KPluginMetaData> pkgs = KPackage::PackageLoader::self()->listPackages("Plasma/LookAndFeel");
-
-    for (const KPluginMetaData &data : pkgs) {
-        packages << data.pluginId();
-    }
-
-    return packages;
-}
-
-
-QStringList themes_by_service()
-{
-    KService::List services;
-    KServiceTypeTrader* trader = KServiceTypeTrader::self();
-
-    cDebug() << "Plasma themes by service:";
-    QStringList packages;
-    services = trader->query("Plasma/Theme");
-    int c = 0;
-    for ( const auto s : services )
-    {
-        cDebug() << "  .. Plasma theme" << s->name();
-        packages << s->name();
-        c++;
-    }
-
-    return packages;
-}
-
-QStringList themes_by_kcm()
-{
-    QString component;
-    QList<Plasma::Package> packages;
-    QStringList paths;
-    QStringList packageNames;
-    const QStringList dataPaths = QStandardPaths::standardLocations(QStandardPaths::GenericDataLocation);
-
-    for (const QString &path : dataPaths) {
-        QDir dir(path + "/plasma/look-and-feel");
-        paths << dir.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
-    }
-
-    cDebug() << "Plasma themes by kcm:";
-    for (const QString &path : paths) {
-        Plasma::Package pkg = Plasma::PluginLoader::self()->loadPackage(QStringLiteral("Plasma/LookAndFeel"));
-        pkg.setPath(path);
-        pkg.setFallbackPackage(Plasma::Package());
-        if (component.isEmpty() || !pkg.filePath(component.toUtf8()).isEmpty()) {
-            packages << pkg;
-            packageNames << pkg.metadata().pluginName();
-            cDebug() << "  .. Plasma theme" << pkg.metadata().pluginName();
-        }
-    }
-
-    return packageNames;
-}
-
-QStringList themes_by_lnftool()
-{
-    QStringList packages;
-
-    QProcess lnftool;
-    lnftool.start( Calamares::lnftool(), {"--list"} );
-    if ( lnftool.waitForStarted(1000) && lnftool.waitForFinished( 1000 ) && (lnftool.exitCode() == 0) && (lnftool.exitStatus() == QProcess::NormalExit ) )
-    {
-        packages = QString::fromLocal8Bit( lnftool.readAllStandardOutput() ).trimmed().split('\n');
-    }
-    return packages;
-}
-
-QStringList plasma_themes()
-{
-    QStringList l( themes_by_package() );
-    if (l.isEmpty())
-        return themes_by_lnftool();
-    return l;
-}
-
 static QString *p_lnfPath = nullptr;
 
 QString lnftool()

src/modules/plasmalnf/PlasmaLnfInfo.h

@@ -26,14 +26,6 @@ namespace Calamares
 {
 QString lnftool();
 void set_lnftool( const QString& );
-
-    /* Internal */
-QStringList themes_by_package();
-QStringList themes_by_service();
-QStringList themes_by_kcm();
-QStringList themes_by_lnftool();
-
-QStringList plasma_themes();
 }
 
 #endif // PLASMALNFINFO_H

src/modules/plasmalnf/PlasmaLnfPage.cpp

@@ -29,11 +29,28 @@
 #include "utils/Retranslator.h"
 #include "ViewManager.h"
 
+#include <KPackage/Package>
+#include <KPackage/PackageLoader>
+
 #include <QButtonGroup>
 #include <QDesktopServices>
 #include <QLabel>
 #include <QProcess>
 
+static QStringList plasma_themes()
+{
+    QStringList packages;
+
+    QList<KPluginMetaData> pkgs = KPackage::PackageLoader::self()->listPackages("Plasma/LookAndFeel");
+
+    for (const KPluginMetaData &data : pkgs) {
+        packages << data.pluginId();
+    }
+
+    return packages;
+}
+
+
 PlasmaLnfPage::PlasmaLnfPage(QWidget *parent)
     : QWidget( parent )
     , ui( new Ui::PlasmaLnfPage )
@@ -46,8 +63,7 @@ PlasmaLnfPage::PlasmaLnfPage(QWidget *parent)
         ui->generalExplanation->setText( tr( "Please choose a look-and-feel for the KDE Plasma Desktop, below." ) );
     )
 
-    Calamares::themes_by_package();
-    ui->lnfCombo->addItems( Calamares::plasma_themes() );
+    ui->lnfCombo->addItems( plasma_themes() );
 
     QObject::connect<void(QComboBox::*)(const QString&)>(ui->lnfCombo, &QComboBox::activated, this, &PlasmaLnfPage::activated);
 }