<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Focus test inner document</title>
</head>
<body>
<h1>Inner</h1>
<input>
<script>
let innerlog = "innerlog:";

window.onmessage = function(e) {
  if (e.data == "focusinnerinput") {
    document.querySelector("input").focus();
    innerlog += document.activeElement.tagName + ",";
  } else if (e.data == "focusinner") {
    window.focus();
    innerlog += document.activeElement.tagName + ",";
  } else if (e.data == "getlog") {
    parent.postMessage(innerlog, "*");
  }
};

window.onfocus = function() {
  innerlog += "windowfocus,";
};

window.onblur = function() {
  innerlog += "windowblur,";
};

window.onload = function() {
  parent.postMessage("ready", "*");
}
</script>
</body>
</html>
