startPreviewJob: if items is empty, delay call to slotPreviewJobFinshed

This should prevent that other functions, which start preview jobs,
eventually call themselves and thus cause trouble.

CCBUG: 320791

diff --git a/src/kitemviews/kfileitemmodelrolesupdater.cpp b/src/kitemviews/kfileitemmodelrolesupdater.cpp
index c083559bfef8a35009e871582f98521aa2a9d7ea..644605c5720235867a825a0c17c6a7564a3789d8 100644 (file)
--- a/src/kitemviews/kfileitemmodelrolesupdater.cpp
+++ b/src/kitemviews/kfileitemmodelrolesupdater.cpp
@@ -912,7 +912,7 @@ void KFileItemModelRolesUpdater::startPreviewJob(const KFileItemList items)
     m_state = PreviewJobRunning;
 
     if (items.isEmpty()) {
-        slotPreviewJobFinished(0);
+        QMetaObject::invokeMethod(this, "slotPreviewJobFinished", Qt::QueuedConnection, Q_ARG(KJob*, 0));
         return;
     }