gecko/dom/html/test/file_fullscreen-multiple.html

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=724554

Test that multiple windows can be fullscreen at the same time.

Open one window, focus it and enter fullscreen, then open another, focus
it and enter fullscreen, and check that both are still fullscreen.

-->
<head>
  <title>Test for Bug 724554</title>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="file_fullscreen-utils.js"></script>
</head>
<body>

<script type="application/javascript">

/** Test for Bug 545812 **/

function ok(condition, msg) {
  opener.ok(condition, "[multiple] " + msg);
}

function is(a, b, msg) {
  opener.is(a, b, "[multiple] " + msg);
}

var window1, window2;

function openWindow(id) {
  var w = window.open("file_fullscreen-multiple-inner.html", "", "width=500,height=500");
  w.addEventListener("load", function onload() {
    w.focus();
    SimpleTest.waitForFocus(function(){w.begin(id)}, w);
  });
  return w;
}

function begin() {
  window1 = openWindow("one");
}

function enteredFullscreen(id) {
  if (id == "one") {
    window2 = openWindow("two");
  } else if (id == "two") {
    ok(window1.document.mozFullScreenElement &&
       window2.document.mozFullScreenElement,
       "Both windows should be fullscreen concurrently");
    window1.close();
    window2.close();
    opener.nextTest();
  }
}

</script>
</pre>
<div id="full-screen-element"></div>
</body>
</html>