gistfile1.txt

Polymer outside click element

window.addEventListener((e) {
  var target = event.target;

  while(target != this && target != document.body) {
    target = Polymer.dom(target).node.domHost.parentNode;
    // might need some additional steps to get the parent from inside custom elements
    // don't know by heart
  }
  if(target == this) {
    // inside element
  } else {
    // outside element
  }
});

olymer.dom(target).node.parentElement