Port away from KToolInvokation

See https://phabricator.kde.org/T12185

print-manager-kded/NewPrinterNotification.cpp

@@ -25,7 +25,7 @@
 
 #include <KLocalizedString>
 #include <KNotification>
-#include <KToolInvocation>
+#include <KIO/CommandLauncherJob>
 
 #include <KCupsRequest.h>
 
@@ -165,10 +165,10 @@ void NewPrinterNotification::findDriver()
 
     // This function will show the PPD browser dialog
     // to choose a better PPD to the already added printer
-    KToolInvocation::kdeinitExec(QLatin1String("kde-add-printer"), {
-                                     QLatin1String("--change-ppd"),
-                                     printerName
-                                 });
+
+    auto job = new KIO::CommandLauncherJob(QStringLiteral("kde-add-printer"), {QStringLiteral("--change-ppd"), printerName});
+    job->setDesktopName(QStringLiteral("org.kde.kde-add-printer"));
+    job->start();
 }
 
 void NewPrinterNotification::setupPrinterNotification(KNotification *notify, const QString &make, const QString &model, const QString &description, const QString &arg)
@@ -190,10 +190,9 @@ void NewPrinterNotification::setupPrinterNotification(KNotification *notify, con
         // This function will show the PPD browser dialog
         // to choose a better PPD, queue name, location
         // in this case the printer was not added
-        KToolInvocation::kdeinitExec(QLatin1String("kde-add-printer"), {
-                                         QLatin1String("--new-printer-from-device"),
-                                         arg
-                                     });
+        auto job = new KIO::CommandLauncherJob(QStringLiteral("kde-add-printer"), {QLatin1String("--new-printer-from-device"), arg});
+        job->setDesktopName(QStringLiteral("org.kde.PrintQueue"));
+        job->start();
     });
 
     notify->sendEvent();

printer-manager-kcm/PrintKCM.cpp

@@ -31,7 +31,7 @@
 
 #include <KMessageBox>
 #include <KAboutData>
-#include <KToolInvocation>
+#include <KIO/CommandLauncherJob>
 
 #include <QIcon>
 #include <QMenu>
@@ -250,14 +250,14 @@ void PrintKCM::update()
 
 void PrintKCM::on_addTB_clicked()
 {
-    KToolInvocation::kdeinitExec(QLatin1String("kde-add-printer"),
-    { QLatin1String("--add-printer") });
+    auto job = new KIO::CommandLauncherJob(QStringLiteral("kde-add-printer"), { QStringLiteral("--add-printer") });
+    job->start();
 }
 
 void PrintKCM::addClass()
 {
-    KToolInvocation::kdeinitExec(QLatin1String("kde-add-printer"),
-    { QLatin1String("--add-class") });
+    auto job = new KIO::CommandLauncherJob(QStringLiteral("kde-add-printer"), { QStringLiteral("--add-class") });
+    job->start();
 }
 
 void PrintKCM::on_removeTB_clicked()

printer-manager-kcm/PrinterDescription.cpp

@@ -30,7 +30,8 @@
 #include <QMenu>
 #include <QProcess>
 
-#include <KToolInvocation>
+#include <KIO/CommandLauncherJob>
+
 #define PRINTER_ICON_SIZE 128
 
 Q_DECLARE_METATYPE(QList<int>)
@@ -65,7 +66,8 @@ PrinterDescription::~PrinterDescription()
 
 void PrinterDescription::on_openQueuePB_clicked()
 {
-    KToolInvocation::kdeinitExec(QLatin1String("kde-print-queue"), { m_destName });
+    auto job = new KIO::CommandLauncherJob(QStringLiteral("kde-print-queue"), { m_destName });
+    job->start();
 }
 
 void PrinterDescription::on_defaultCB_clicked()