How do I detect a HTML5 drag event entering and leaving the window, like Gmail does?

Question

I\'d like to be able to highlight the drop area as soon as the cursor carrying a file enters the browser window, exactly the way Gmail does it. But I can\'t make it work, an

Answer 1

Don't know it this works for all cases but in my case it worked very well

$('body').bind("dragleave", function(e) {
   if (!e.originalEvent.clientX && !e.originalEvent.clientY) {
      //outside body / window
   }
});