<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="/tests/SimpleTest/test.css" type="text/css"?>

<window title="Popup Unload Test"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

<!--
  This test checks that popup elements are removed when the document is changed.
  -->

  <script type="application/javascript" src="/MochiKit/packed.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>      
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>      

<iframe id="frame" width="300" height="150" src="frame_popupremoving_frame.xul"/>

<script class="testbody" type="application/javascript">
<![CDATA[

SimpleTest.waitForExplicitFinish();

var gMenus = [];

function popupsOpened()
{
  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

  var framedoc = $("frame").contentDocument;
  framedoc.addEventListener("DOMAttrModified", modified, false);

  // this is the order in which the menus should be hidden (reverse of the
  // order they were opened in). The frame for the second menu is removed
  // during the mutation listener, so never gets an mutation event.
  gMenus.push(framedoc.getElementById("nestedmenu4"));
  gMenus.push(framedoc.getElementById("nestedmenu3"));
  gMenus.push(framedoc.getElementById("nestedmenu1"));
  gMenus.push(framedoc.getElementById("separatemenu4"));
  gMenus.push(framedoc.getElementById("separatemenu3"));
  gMenus.push(framedoc.getElementById("separatemenu1"));

  framedoc.location = "about:blank";
}

function modified(event)
{
  if (event.attrName != "open")
    return;

  netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

  var framedoc = $("frame").contentDocument;

  var tohide = null;
  if (event.target.id == "separatemenu3")
    tohide = framedoc.getElementById("separatemenu2");
  else if (event.target.id == "nestedmenu3")
    tohide = framedoc.getElementById("nestedmenu2");

  if (tohide) {
    tohide.hidden = true;
    // force a layout flush
    $("frame").contentDocument.documentElement.boxObject.width;
  }

  is(event.target, gMenus.shift(), event.target.id + " hidden");
  if (gMenus.length == 0)
    SimpleTest.finish();
}

]]>
</script>

<body xmlns="http://www.w3.org/1999/xhtml">
<p id="display">
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>

</window>
