Bug 162140 [Progress] Be more resilient to null args in StatusLine's progress monitor
bundles/org.eclipse.jface/src/org/eclipse/jface/action/StatusLine.java
public static final int GAP = 3;
    
    public static final int DELAY_PROGRESS = 500;
    
    protected boolean fProgressIsVisible = false;
    
    protected boolean fCancelButtonIsVisible = false;
    
    protected boolean fCancelEnabled = false;
    
    protected String fTaskName;
    
    protected boolean fIsCanceled;
    
    protected long fStartTime;
    private Cursor fStopButtonCursor;
    
    protected String fMessageText;
    
    protected Image fMessageImage;