1 files changed, 39 insertions, 0 deletions
diff --git a/scripting/java/com/sun/star/script/framework/provider/SwingInvocation.java b/scripting/java/com/sun/star/script/framework/provider/SwingInvocation.java
new file mode 100644
index 000000000..af563fa8e
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+++ b/scripting/java/com/sun/star/script/framework/provider/SwingInvocation.java
@@ -0,0 +1,39 @@
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+package com.sun.star.script.framework.provider;
+
+import javax.swing.SwingUtilities;
+
+// On macOS, AWT/Swing must not be accessed from the AppKit thread, so call
+// SwingUtilities.invokeLater always on a fresh thread to avoid that problem
+// (also, the current thread must not wait for that fresh thread to terminate,
+// as that would cause a deadlock if this thread is the AppKit thread):
+public final class SwingInvocation {
+
+    public static void invoke(final Runnable doRun) {
+        new Thread("SwingInvocation") {
+            @Override
+            public void run() {
+                SwingUtilities.invokeLater(doRun);
+            }
+        } .start();
+    }
+
+    private SwingInvocation() {}
+}
+\ No newline at end of file