Detecting window focus the angular way?

Question

Is there a good angular way to detect window focus? I am using html5 notifications and I would like to only fire if the window is out of focus.

Thanks!

Answer 1

There's a built-in angular directive ngFocus here maybe it helps if you attach it to the body

<window, input, select, textarea, a
  ng-focus="">
...
</window, input, select, textarea, a>

Edit: For window focus, there's the $window wrapper and you can do something like:

 $window.onfocus = function(){
   console.log("focused");
 }