@Override
			public void run() {

				if (runnable instanceof SwingRunnable) {
					SwingRunnable swingRunnable = (SwingRunnable) runnable;

					try {
						swingRunnable.swingRun(wasCancelled);
					}
					catch (Throwable t) {
						Msg.error(runManager, "Unexpected Exception Running Job", t);
					}
				}
			}
Show the progress icon according to the showIcon parameter.
@param showIcon true means to show the progress icon
Ghidra/Framework/Docking/src/main/java/ghidra/util/task/RunManager.java