Bug 18588 [Workbench] Hierarchy - no progress monitor ?
Build 20020601 Open type java.lang.Object, select Object type name in editor, and hit F4. No progress is shown during hierarchy opening.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/typehierarchy/TypeHierarchyViewPart.java
/**
	 * Goes to the selected entry, without updating the order of history entries.
	 */	
	public void gotoHistoryEntry(IJavaElement entry) {
		if (fInputHistory.contains(entry)) {
			updateInput(entry);
		}
	}	
	
	/**
	 * Gets all history entries.
	 */
	public IJavaElement[] getHistoryEntries() {
		if (fInputHistory.size() > 0) {
			updateHistoryEntries();
		}
		return (IJavaElement[]) fInputHistory.toArray(new IJavaElement[fInputHistory.size()]);
	}
	
	/**
	 * Sets the history entries
	 */
	public void setHistoryEntries(IJavaElement[] elems) {
		fInputHistory.clear();
		for (int i= 0; i < elems.length; i++) {
			fInputHistory.add(elems[i]);
		}
		updateHistoryEntries();
	}