Bug 28277 Double-clicking in the Types view refreshes decorators
In build I20021210, with CVS decorators turned on, in the Java browing perspective, if I double click on a class in the Types view, the decorators in the view undergo a visible refresh (i.e. they go away and then reappear).
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/browsing/JavaBrowsingContentProvider.java
* Updates the package icon
	 */
	 private void postUpdateIcon(final IJavaElement element) {
	 	postRunnable(new Runnable() {
			public void run() {
				Control ctrl= fViewer.getControl();
				if (ctrl != null && !ctrl.isDisposed()) 
					fViewer.update(element, new String[]{IBasicPropertyConstants.P_IMAGE});
			}
		});
	 }
		
	private void postRefresh(final Object root) {
		postRunnable(new Runnable() {
			public void run() {
				Control ctrl= fViewer.getControl();
				if (ctrl != null && !ctrl.isDisposed()) {
					ctrl.setRedraw(false);
					fViewer.refresh(root);
					ctrl.setRedraw(true);
				}
			}
		});
	}
	private void postAdd(final Object parent, final Object element) {
		postAdd(parent, new Object[] {element});
	}
		
	private void postAdd(final Object parent, final Object[] elements) {
		if (elements == null || elements.length <= 0)