SWT on OS X: how to add badges to the dock icon

IntelliJ IDEA, a Swing based application, for example, can show a progress indicator on the dock icon when compiling and checkmark when finishes. How can t开发者_高级运维his be done for the dock icon of an SWT application?

Have a look at the TaskBar and TaskItem classes of SWT.

It's basically:

display.getSystemTaskBar().getItem(shell).setProgress(66);

where display is the current display and shell is the window associated with the dock icon.

There's also a code snippet for how to access the task bar.