The Tor Browser: dom/tests/mochitest/chrome/window_focus.xul@97036ab72558 (annotated)

dom/tests/mochitest/chrome/window_focus.xul@97036ab72558 (annotated)

dom/tests/mochitest/chrome/window_focus.xul

Tue, 06 Jan 2015 21:39:09 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Tue, 06 Jan 2015 21:39:09 +0100
branch: TOR_BUG_9701
changeset 8: 97036ab72558
permissions: -rw-r--r--

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 <?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css"
                  type="text/css"?>
 <!--
  This test checks focus in various ways
 -->
 <window id="outer-document" title="Focus Test" width="600" height="550"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <script type="application/javascript"
           src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
   <script type="application/javascript"
           src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
 <body xmlns="http://www.w3.org/1999/xhtml"/>
   <script type="application/javascript"><![CDATA[
 var fm = Components.classes["@mozilla.org/focus-manager;1"].
            getService(Components.interfaces.nsIFocusManager);
 const kChildDocumentRootIndex = 13;
 const kBeforeTabboxIndex = 34;
 const kTabbableSteps = 38;
 const kFocusSteps = 26;
 const kNoFocusSteps = 7;
 const kOverflowElementIndex = 27;
 var gTestStarted = false;
 var gPartialTabbing = false;
 var gMoveToFocusFrame = false;
 var gLastFocus = null;
 var gLastFocusWindow = window;
 var gLastFocusMethod = -1;
 var gEvents = "";
 var gExpectedEvents = "";
 var gEventMatched = true;
 var gShowOutput = false;
 var gChildWindow = null;
 var gOldExpectedWindow = null;
 var gNewExpectedWindow = null;
 function is(l, r, n) { window.opener.wrappedJSObject.SimpleTest.is(l,r,n); }
 function ok(v, n) { window.opener.wrappedJSObject.SimpleTest.ok(v,n); }
 function initEvents(target)
 {
   target.addEventListener("focus", eventOccured, true);
   target.addEventListener("blur", eventOccured, true);
   getTopWindow(target).addEventListener("activate", eventOccured, true);
   getTopWindow(target).addEventListener("deactivate", eventOccured, true);
 }
 function eventOccured(event)
 {
   // iframes should never receive focus or blur events directly
   if (event.target instanceof Element && event.target.localName == "iframe")
     ok(false, "iframe " + event.type + "occured");
   var id;
   if (gOldExpectedWindow && event.type == "blur") {
     if (event.target instanceof Window)
       id = "frame-" + gOldExpectedWindow.document.documentElement.id + "-window";
     else if (event.target instanceof Document)
       id = "frame-" + gOldExpectedWindow.document.documentElement.id + "-document";
     else
       id = event.originalTarget.id;
   }
   else if (gNewExpectedWindow && event.type == "focus") {
     if (event.target instanceof Window)
       id = "frame-" + gNewExpectedWindow.document.documentElement.id + "-window";
     else if (event.target instanceof Document)
       id = "frame-" + gNewExpectedWindow.document.documentElement.id + "-document";
     else
       id = event.originalTarget.id;
   }
   else if (event.type == "activate" || event.type == "deactivate")
     id = event.target.document.documentElement.id + "-window";
   else if (event.target instanceof Window)
     id = (event.target == window) ? "outer-window" : "child-window";
   else if (event.target instanceof Document)
     id = (event.target == document) ? "outer-document" : "child-document";
   else
     id = event.originalTarget.id;
   if (gEvents)
     gEvents += " ";
   gEvents += event.type + ": " + id;
 }
 function expectFocusShift(callback, expectedWindow, expectedElement, focusChanged, testid)
 {
   if (expectedWindow == null)
     expectedWindow = expectedElement ?
                      expectedElement.ownerDocument.defaultView :
                      gLastFocusWindow;
   var expectedEvents = "";
   if (focusChanged) {
     var id;
     if (getTopWindow(gLastFocusWindow) != getTopWindow(expectedWindow)) {
       id = getTopWindow(gLastFocusWindow).document.documentElement.id;
       expectedEvents += "deactivate: " + id + "-window";
     }
     if (gLastFocus && gLastFocus.id != "t" + kChildDocumentRootIndex &&
         (!gOldExpectedWindow || gOldExpectedWindow.document.documentElement != gLastFocus)) {
       if (expectedEvents)
         expectedEvents += " ";
       if (!gOldExpectedWindow)
         expectedEvents += "commandupdate: cu ";
       expectedEvents += "blur: " + gLastFocus.id;
     }
     if (gLastFocusWindow && gLastFocusWindow != expectedWindow) {
       if (!gMoveToFocusFrame) {
         if (gOldExpectedWindow)
           id = "frame-" + gOldExpectedWindow.document.documentElement.id;
         else
           id = (gLastFocusWindow == window) ? "outer" : "child";
         if (expectedEvents)
           expectedEvents += " ";
         expectedEvents += "blur: " + id + "-document " +
                           "blur: " + id + "-window";
       }
     }
     if (getTopWindow(gLastFocusWindow) != getTopWindow(expectedWindow)) {
       id = getTopWindow(expectedWindow).document.documentElement.id;
       if (expectedEvents)
         expectedEvents += " ";
       expectedEvents += "activate: " + id + "-window";
     }
     if (expectedWindow && gLastFocusWindow != expectedWindow) {
       if (gNewExpectedWindow)
         id = "frame-" + gNewExpectedWindow.document.documentElement.id;
       else
         id = (expectedWindow == window) ? "outer" : "child";
       if (expectedEvents)
         expectedEvents += " ";
       expectedEvents += "focus: " + id + "-document " +
                         "focus: " + id + "-window";
     }
     // for this test which fires a mouse event on a label, the document will
     // be focused first and then the label code will focus the related
     // control. This doesn't result in different focus events, but a command
     // update will occur for the document and then a secon command update will
     // occur when the control is focused.
     if (testid == "mouse on html label with content inside")
       expectedEvents += " commandupdate: cu";
     if (expectedElement &&
         (!gNewExpectedWindow || gNewExpectedWindow.document.documentElement != expectedElement)) {
       if (!gNewExpectedWindow) {
         if (expectedEvents)
           expectedEvents += " ";
         expectedEvents += "commandupdate: cu";
       }
       if (expectedElement.id != "t" + kChildDocumentRootIndex) {
         if (expectedEvents)
           expectedEvents += " ";
         expectedEvents += "focus: " + expectedElement.id;
       }
     }
     else if (expectedWindow && gLastFocusWindow != expectedWindow &&
              !expectedElement) {
       if (expectedEvents)
         expectedEvents += " ";
       expectedEvents += "commandupdate: cu";
     }
   }
   gLastFocus = expectedElement;
   gLastFocusWindow = expectedWindow;
   callback();
   compareEvents(expectedEvents, expectedWindow, expectedElement, testid);
 }
 function compareEvents(expectedEvents, expectedWindow, expectedElement, testid)
 {
   if (!gShowOutput) {
     gEvents = "";
     return;
   }
   is(gEvents, expectedEvents, testid + " events");
   gEvents = "";
   var doc;
   if (expectedWindow == window)
     doc = "outer-document";
   else if (expectedWindow == gChildWindow)
     doc = "inner-document";
   else if (gNewExpectedWindow)
     doc = gNewExpectedWindow.document.body ? gNewExpectedWindow.document.body.id :
                                              gNewExpectedWindow.document.documentElement.id;
   else
     doc = "other-document";
   var focusedElement = fm.focusedElement;
   is(focusedElement ? focusedElement.id : "none",
      expectedElement ? expectedElement.id : "none", testid + " focusedElement");
   is(fm.focusedWindow, expectedWindow, testid + " focusedWindow");
   var focusedWindow = {};
   is(fm.getFocusedElementForWindow(expectedWindow, false, focusedWindow),
      expectedElement, testid + " getFocusedElementForWindow");
   is(focusedWindow.value, expectedWindow, testid + " getFocusedElementForWindow frame");
   is(expectedWindow.document.hasFocus(), true, testid + " hasFocus");
   is(expectedWindow.document.activeElement ? expectedWindow.document.activeElement.id : "none",
      expectedElement ? expectedElement.id : doc, testid + " activeElement");
   var cdwindow = getTopWindow(expectedWindow);
   if (cdwindow.document.commandDispatcher) {
     is(cdwindow.document.commandDispatcher.focusedWindow, expectedWindow, testid + " commandDispatcher focusedWindow");
     is(cdwindow.document.commandDispatcher.focusedElement, focusedElement, testid + " commandDispatcher focusedElement");
   }
   if (gLastFocusMethod != -1) {
     is(fm.getLastFocusMethod(null), gLastFocusMethod, testid + " lastFocusMethod null");
     is(fm.getLastFocusMethod(expectedWindow), gLastFocusMethod, testid + " lastFocusMethod window");
   }
   // the parent should have the iframe focused
   if (doc == "inner-document") {
     is(document.hasFocus(), true, testid + " hasFocus");
     is(fm.getFocusedElementForWindow(window, false, focusedWindow),
        $("childframe"), testid + " getFocusedElementForWindow for parent");
     is(focusedWindow.value, window, testid + " getFocusedElementForWindow for parent frame");
     is(fm.getFocusedElementForWindow(window, true, focusedWindow),
        expectedElement, testid + " getFocusedElementForWindow deep for parent");
     is(focusedWindow.value, gChildWindow, testid + " getFocusedElementForWindow deep for parent frame");
     is(document.activeElement.id, "childframe", testid + " activeElement for parent");
   }
   // compare the selection for the child window. Skip mouse tests as the caret
   // is adjusted by the selection code for mouse clicks, and not the focus code.
   if (expectedWindow == window) {
     var selection = window.getSelection();
     ok(selection.focusNode == null && selection.focusOffset == 0 &&
        selection.anchorNode == null && selection.anchorOffset == 0, testid + " selection");
   }
   else if ((expectedWindow == gChildWindow) && !testid.indexOf("mouse") == -1) {
     checkSelection(expectedElement, testid);
   }
 }
 function checkSelection(node, testid)
 {
   var selection = gChildWindow.getSelection();
   var range = gChildWindow.document.createRange();
   range.selectNodeContents(node);
   if (!node.firstChild || node.localName == "input" ||
        node.localName == "select" || node.localName == "button") {
     range.setStartBefore(node);
     range.setEndBefore(node);
   }
   if (node.firstChild)
     range.setEnd(range.startContainer, range.startOffset);
   is(selection.focusNode, range.startContainer, testid + " selection focusNode");
   is(selection.focusOffset, range.startOffset, testid + " selection focusOffset");
   is(selection.anchorNode, range.endContainer, testid + " selection anchorNode");
   is(selection.anchorOffset, range.endOffset, testid + " selection anchorOffset");
 }
 function getTopWindow(win)
 {
   return win.QueryInterface(Components.interfaces.nsIInterfaceRequestor).
              getInterface(Components.interfaces.nsIWebNavigation).
              QueryInterface(Components.interfaces.nsIDocShellTreeItem).rootTreeItem.
              QueryInterface(Components.interfaces.nsIInterfaceRequestor).
              getInterface(Components.interfaces.nsIDOMWindow);
 }
 function mouseOnElement(element, expectedElement, focusChanged, testid)
 {
   var expectedWindow = (element.ownerDocument.defaultView == gChildWindow) ? gChildWindow : window;
   // on Mac, form elements are not focused when clicking, except for lists and textboxes.
   var noFocusOnMouse = (navigator.platform.indexOf("Mac") == 0);
   if (noFocusOnMouse) {
     if (element.namespaceURI == "http://www.w3.org/1999/xhtml") {
       // links are special. They can be focused but show no focus ring
       if (element.localName == "a" || element.localName == "div" ||
           element.localName == "select" ||
           element.localName == "input" && (element.type == "text" ||
                                            element.type == "password")) {
         noFocusOnMouse = false;
       }
     }
     else if (element.localName == "listbox") {
       noFocusOnMouse = false;
     }
   }
   if (noFocusOnMouse) {
     // no focus so the last focus method will be 0
     gLastFocusMethod = 0;
     expectFocusShift(function () synthesizeMouse(element, 4, 4, { }, element.ownerDocument.defaultView),
                      expectedWindow, null, true, testid);
     gLastFocusMethod = fm.FLAG_BYMOUSE;
   }
   else {
     expectFocusShift(function () synthesizeMouse(element, 4, 4, { }, element.ownerDocument.defaultView),
                      element.ownerDocument.defaultView,
                      expectedElement, focusChanged, testid);
   }
 }
 function done()
 {
   var opener = window.opener;
   window.close();
   opener.wrappedJSObject.SimpleTest.finish();
 }
 var pressTab = function () synthesizeKey("VK_TAB", { });
 function setFocusTo(id, fwindow)
 {
   gLastFocus = getById(id);
   gLastFocusWindow = fwindow;
   if (gLastFocus)
     gLastFocus.focus();
   else
     fm.clearFocus(fwindow);
   gEvents = "";
 }
 function getById(id)
 {
   if (gNewExpectedWindow)
     return gNewExpectedWindow.document.getElementById(id);
   var element = $(id);
   if (!element)
     element = $("childframe").contentDocument.getElementById(id);
   return element;
 }
 function startTest()
 {
   if (gTestStarted)
     return;
   gTestStarted = true;
   gChildWindow = $("childframe").contentWindow;
   gShowOutput = true;
   // synthesize a mousemove over the image to ensure that the imagemap data is
   // created. Otherwise, the special imagemap frames might not exist, and
   // won't be focusable.
   synthesizeMouse(getById("image"), 4, 4, { type: "mousemove" }, gChildWindow);
   initEvents(window);
   is(fm.activeWindow, window, "activeWindow");
   is(gChildWindow.document.hasFocus(), false, " child document hasFocus");
   // test to see if the Mac Full Keyboard Access setting is set. If t3 is
   // focused after tab is pressed, then it is set to textboxes and lists only.
   // Otherwise, all elements are in the tab order.
   pressTab();
   if (fm.focusedElement.id == "t3")
     gPartialTabbing = true;
   else
     is(fm.focusedElement.id, "t1", "initial tab key");
   is(fm.getLastFocusMethod(null), fm.FLAG_BYKEY, "last focus method null start");
   is(fm.getLastFocusMethod(window), fm.FLAG_BYKEY, "last focus method window start");
   fm.clearFocus(window);
   gEvents = "";
   gLastFocusMethod = fm.FLAG_BYKEY;
   if (gPartialTabbing) {
     var partialTabList = ["t3", "t5", "t9", "t10", "t11", "t12", "t13", "t14", "t15",
                           "t16", "t19", "t20", "t21", "t22", "t26", "t27", "t28", "t29", "t30"];
     for (var idx = 0; idx < partialTabList.length; idx++) {
       expectFocusShift(pressTab, null, getById(partialTabList[idx]), true, "partial tab key " + partialTabList[idx]);
     }
     setFocusTo("last", window);
     expectFocusShift(pressTab, null, getById(partialTabList[0]), true, "partial tab key wrap to start");
     expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }),
                      null, getById("last"), true, "partial shift tab key wrap to end");
     for (var idx = partialTabList.length - 1; idx >= 0; idx--) {
       expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }),
                        null, getById(partialTabList[idx]), true, "partial tab key " + partialTabList[idx]);
     }
   }
   else {
     // TAB key
     for (var idx = 1; idx <= kTabbableSteps; idx++) {
       expectFocusShift(pressTab, null, getById("t" + idx), true, "tab key t" + idx);
     }
     // wrapping around at end with TAB key
     setFocusTo("last", window);
     expectFocusShift(pressTab, null, getById("t1"), true, "tab key wrap to start");
     expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }),
                      null, getById("last"), true, "shift tab key wrap to end");
     // Shift+TAB key
     setFocusTo("o5", window);
     for (idx = kTabbableSteps; idx > 0; idx--) {
       expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }),
                        null, getById("t" + idx), true, "shift tab key t" + idx);
     }
   }
   var t19 = getById("t19");
   is(t19.selectionStart, 0, "input focused from tab key selectionStart");
   is(t19.selectionEnd, 5, "input focused from tab key selectionEnd");
   t19.setSelectionRange(0, 0);
   gLastFocusMethod = 0;
   var selectFired = false;
   function selectListener() { selectFired = true; }
   t19.addEventListener("select", selectListener, false);
   expectFocusShift(function() t19.select(),
                    null, getById("t" + 19), true, "input.select()");
   t19.removeEventListener("select", selectListener, false);
   ok(selectFired, "select event fires for input");
   // mouse clicking
   gLastFocusMethod = fm.FLAG_BYMOUSE;
   for (idx = kTabbableSteps; idx >= 1; idx--) {
     // skip the document root and the overflow element
     if (idx == kChildDocumentRootIndex || idx == kOverflowElementIndex)
       continue;
     if ((navigator.platform.indexOf("Mac") == 0) && (idx == kBeforeTabboxIndex + 1))
       continue;
     var element = getById("t" + idx);
     // skip area elements, as getBoundingClientRect doesn't return their actual coordinates
     if (element.localName == "area")
       continue;
     mouseOnElement(element, getById("t" + idx), true, "mouse on element t" + idx);
     var expectedWindow = (element.ownerDocument.defaultView == gChildWindow) ? gChildWindow : window;
     if (element.localName == "listbox" && expectedWindow == window &&
         navigator.platform.indexOf("Mac") == 0) {
       // after focusing a listbox on Mac, clear the focus before continuing.
       setFocusTo(null, window);
     }
   }
   is(t19.selectionStart, 0, "input focused from mouse selectionStart");
   is(t19.selectionEnd, 0, "input focused from mouse selectionEnd");
   // mouse clicking on elements that are not tabbable
   for (idx = 1; idx <= kFocusSteps; idx++) {
     var element = getById("o" + (idx % 2 ? idx : idx - 1));
     mouseOnElement(element, element, idx % 2,
                    "mouse on non-tabbable element o" + idx);
   }
   // mouse clicking on elements that are not tabbable and have user-focus: none
   // or are not focusable for other reasons (for instance, being disabled)
   // These elements will clear the focus when clicked.
   for (idx = 1; idx <= kNoFocusSteps; idx++) {
     var element = getById("n" + idx);
     gLastFocusMethod = idx % 2 ? 0 : fm.FLAG_BYMOUSE;
     mouseOnElement(element, idx % 2 ? null: element, true, "mouse on unfocusable element n" + idx);
   }
   if (idx == kOverflowElementIndex) {
     gLastFocusMethod = fm.FLAG_BYMOUSE;
     var element = getById("t" + idx);
     expectFocusShift(function () synthesizeMouse(element, 4, 4, { }, element.ownerDocument.defaultView),
                      window, null, true, "mouse on scrollable element");
   }
   // focus() method
   gLastFocusMethod = 0;
   for (idx = kTabbableSteps; idx >= 1; idx--) {
     if ((navigator.platform.indexOf("Mac") == 0) && (idx == kBeforeTabboxIndex + 1))
       continue;
     expectFocusShift(function () getById("t" + idx).focus(),
                      null, getById("t" + idx), true, "focus method on element t" + idx);
   }
   $("t1").focus();
   ok(gEvents === "", "focusing element that is already focused");
   $("t2").blur();
   $("t7").blur();
   ok(gEvents === "", "blurring element that is not focused");
   is(document.activeElement, $("t1"), "old element still focused after blur() on another element");
   // focus() method on elements that are not tabbable
   for (idx = 1; idx <= kFocusSteps; idx++) {
     var expected = getById("o" + (idx % 2 ? idx : idx - 1));
     expectFocusShift(function () getById("o" + idx).focus(),
                      expected.ownerDocument.defaultView,
                      expected, idx % 2, "focus method on non-tabbable element o" + idx);
   }
   // focus() method on elements that are not tabbable and have user-focus: none
   // or are not focusable for other reasons (for instance, being disabled)
   for (idx = 1; idx <= kNoFocusSteps; idx++) {
     var expected = getById("o" + (idx % 2 ? idx : idx - 1));
     expectFocusShift(function () getById("o" + idx).focus(),
                      expected.ownerDocument.defaultView,
                      expected, idx % 2, "focus method on unfocusable element n" + idx);
   }
   // the focus() method on the legend element should focus the legend if it is
   // focusable, or the first element after the legend if it is not focusable.
   if (!gPartialTabbing) {
     gLastFocusMethod = fm.FLAG_BYMOVEFOCUS;
     var legend = getById("legend");
     expectFocusShift(function () legend.focus(),
                      null, getById("t28"), true, "focus method on unfocusable legend");
     gLastFocusMethod = 0;
     legend.tabIndex = "0";
     expectFocusShift(function () legend.focus(),
                      null, getById("legend"), true, "focus method on focusable legend");
     legend.tabIndex = "-1";
   }
   var accessKeyDetails = (navigator.platform.indexOf("Mac") >= 0) ?
                          { ctrlKey : true } : { altKey : true };
   // test accesskeys
   var keys = ["t26", "t19", "t22", "t29", "t15", "t17", "n6",
               "t4", "o1", "o9", "n4"];
   for (var k = 0; k < keys.length; k++) {
     var key = String.fromCharCode(65 + k);
     // accesskeys D and G are for labels so get redirected
     gLastFocusMethod = (key == "D" || key == "G") ? fm.FLAG_BYMOVEFOCUS : fm.FLAG_BYKEY;
     // on Windows and Linux, the shift key must be pressed for content area access keys
     // and on Mac, the alt key must be pressed for content area access keys
     var isContent = (getById(keys[k]).ownerDocument.defaultView == gChildWindow);
     if (navigator.platform.indexOf("Mac") == -1) {
       accessKeyDetails.shiftKey = isContent;
     } else {
       accessKeyDetails.altKey = isContent;
     }
     expectFocusShift(function () synthesizeKey(key, accessKeyDetails),
                      null, getById(keys[k]), true, "accesskey " + key);
   }
   // clicking on the labels
   gLastFocusMethod = fm.FLAG_BYMOVEFOCUS;
   expectFocusShift(function () synthesizeMouse(getById("ad"), 2, 2, { }, gChildWindow),
                    null, getById("t29"), true, "mouse on html label with content inside");
   expectFocusShift(function () synthesizeMouse(getById("ag"), 2, 2, { }, gChildWindow),
                    null, getById("n6"), true, "mouse on html label with for attribute");
   gLastFocusMethod = 0;
   expectFocusShift(function () synthesizeMouse(getById("aj"), 2, 2, { }),
                    null, getById("o9"), true, "mouse on xul label with content inside");
   expectFocusShift(function () synthesizeMouse(getById("ak"), 2, 2, { }),
                    null, getById("n4"), true, "mouse on xul label with control attribute");
   // test accesskeys that shouldn't work
   k = "o".charCodeAt(0);
   while (k++ < "v".charCodeAt(0)) {
     var key = String.fromCharCode(k);
     expectFocusShift(function () synthesizeKey(key, accessKeyDetails),
                      window, getById("n4"), false, "non accesskey " + key);
   }
   gLastFocusMethod = -1;
   // should focus the for element when using the focus method on a label as well
   expectFocusShift(function () getById("ad").focus(),
                    null, getById("t29"), true, "mouse on html label using focus method");
   // make sure that the text is selected when clicking a label associated with an input
   getById("ag").htmlFor = "t19";
   expectFocusShift(function () synthesizeMouse(getById("ag"), 2, 2, { }, gChildWindow),
                    null, getById("t19"), true, "mouse on html label with for attribute changed");
   is(t19.selectionStart, 0, "input focused from label, selectionStart");
   is(t19.selectionEnd, 5, "input focused from label, selectionEnd");
   // switch to another panel in a tabbox and ensure that tabbing moves between
   // elements on the new panel.
   $("tabbox").selectedIndex = 1;
   expectFocusShift(function () getById("t" + kBeforeTabboxIndex).focus(),
                    null, getById("t" + kBeforeTabboxIndex), true, "focus method on element before tabbox");
   if (!gPartialTabbing) {
     expectFocusShift(pressTab, null, getById("tab2"), true, "focus method on tab");
     expectFocusShift(pressTab, null, getById("htab1"), true, "tab key switch tabpanel 1");
     expectFocusShift(pressTab, null, getById("htab2"), true, "tab key switch tabpanel 2");
     expectFocusShift(pressTab, null, getById("t" + (kBeforeTabboxIndex + 4)), true, "tab key switch tabpanel 3");
   }
   $("tabbox").selectedIndex = 0;
   // ---- the following checks when the focus changes during a blur or focus event ----
   var o5 = $("o5");
   var o9 = $("o9");
   var t3 = $("t3");
   var t17 = getById("t17");
   var t19 = getById("t19");
   var shiftFocusParentDocument = function() o9.focus();
   var shiftFocusChildDocument = function() t17.focus();
   var trapBlur = function (element, eventListener, blurFunction)
   {
     element.focus();
     gEvents = "";
     element.addEventListener("blur", eventListener, false);
     blurFunction();
     element.removeEventListener("blur", eventListener, false);
   }
   var functions = [
     function(element) element.focus(),
     function(element) synthesizeMouse(element, 4, 4, { }, element.ownerDocument.defaultView)
   ];
   // first, check cases where the focus is adjusted during the blur event. Iterate twice,
   // once with the focus method and then focusing by mouse clicking
   for  (var l = 0; l < 2; l++) {
     var adjustFocus = functions[l];
     var mod = (l == 1) ? " with mouse" : "";
     // an attempt is made to switch the focus from one element (o5) to another
     // element (t3) within the same document, yet the focus is shifted to a
     // third element (o9) in the same document during the blur event for the
     // first element.
     trapBlur(o5, shiftFocusParentDocument, function () adjustFocus(t3));
     compareEvents("commandupdate: cu blur: o5 commandupdate: cu focus: o9",
                   window, o9, "change focus to sibling during element blur, attempted sibling" + mod);
     // similar, but the third element (t17) is in a child document
     trapBlur(o9, shiftFocusChildDocument, function () adjustFocus(t3));
     compareEvents("commandupdate: cu blur: o9 blur: outer-document blur: outer-window " +
                   "focus: child-document focus: child-window commandupdate: cu focus: t17",
                   gChildWindow, t17, "change focus to child document during element blur, attempted sibling" + mod);
     // similar, but an attempt to switch focus within the same document, but the
     // third element (t17) is in a parent document
     trapBlur(t17, shiftFocusParentDocument, function () adjustFocus(t19));
     compareEvents("commandupdate: cu blur: t17 blur: child-document blur: child-window " +
                   "focus: outer-document focus: outer-window commandupdate: cu focus: o9",
                   window, o9, "change focus to parent document during element blur, attempted sibling" + mod);
     // similar, but blur is called instead of switching focus
     trapBlur(t3, shiftFocusParentDocument, function () t3.blur());
     compareEvents("commandupdate: cu blur: t3 commandupdate: cu focus: o9",
                   window, o9, "change focus to same document during clear focus" + mod);
     // check when an element in the same document is focused during the
     // element's blur event, but an attempt was made to focus an element in the
     // child document. In this case, the focus in the parent document should be
     // what was set during the blur event, but the actual focus should still
     // move to the child document.
     trapBlur(t3, shiftFocusParentDocument, function () adjustFocus(t17));
     compareEvents("commandupdate: cu blur: t3 commandupdate: cu focus: o9 " +
                   "blur: outer-document blur: outer-window " +
                   "focus: child-document focus: child-window commandupdate: cu focus: t17",
                   gChildWindow, t17, "change focus to sibling during element blur, attempted child" + mod);
     is(fm.getFocusedElementForWindow(window, false, {}), $("childframe"),
        "change focus to sibling during element blur, attempted child, focused in parent" + mod);
     // similar, but with a parent
     trapBlur(t19, shiftFocusChildDocument, function () adjustFocus(t3));
     compareEvents("commandupdate: cu blur: t19 commandupdate: cu focus: t17 " +
                   "blur: child-document blur: child-window " +
                   "focus: outer-document focus: outer-window commandupdate: cu focus: t3",
                   window, t3, "change focus to sibling during element blur, attempted parent" + mod);
     is(fm.getFocusedElementForWindow(gChildWindow, false, {}), t17,
        "change focus to sibling during element blur, attempted child, focused in child" + mod);
     // similar, with a child, but the blur event focuses a child element also
     trapBlur(t3, shiftFocusChildDocument, function () adjustFocus(t19));
     compareEvents("commandupdate: cu blur: t3 blur: outer-document blur: outer-window " +
                   "focus: child-document focus: child-window commandupdate: cu focus: t17",
                   gChildWindow, t17, "change focus to child during element blur, attempted child" + mod);
     // similar, with a parent, where the blur event focuses a parent element also
     trapBlur(t17, shiftFocusParentDocument, function () adjustFocus(t3));
     compareEvents("commandupdate: cu blur: t17 blur: child-document blur: child-window " +
                   "focus: outer-document focus: outer-window commandupdate: cu focus: o9",
                   window, o9, "change focus to parent during element blur, attempted parent" + mod);
   }
   var trapFocus = function (element, eventListener)
   {
     element.addEventListener("focus", eventListener, false);
     element.focus();
     element.removeEventListener("focus", eventListener, false);
   }
   fm.clearFocus(window);
   gEvents = "";
   // next, check cases where the focus is adjusted during the focus event
   // switch focus to an element in the same document
   trapFocus(o5, shiftFocusParentDocument);
   compareEvents("commandupdate: cu focus: o5 commandupdate: cu blur: o5 commandupdate: cu focus: o9",
                 window, o9, "change focus to sibling during element focus");
   // similar, but the new element (t17) is in a child document
   trapFocus(o5, shiftFocusChildDocument);
   compareEvents("commandupdate: cu blur: o9 " +
                 "commandupdate: cu focus: o5 commandupdate: cu blur: o5 " +
                 "blur: outer-document blur: outer-window " +
                 "focus: child-document focus: child-window commandupdate: cu focus: t17",
                 gChildWindow, t17, "change focus to child document during element focus");
   // similar, but the new element (o9) is in a parent document.
   trapFocus(t19, shiftFocusParentDocument);
   compareEvents("commandupdate: cu blur: t17 " +
                 "commandupdate: cu focus: t19 commandupdate: cu blur: t19 " +
                 "blur: child-document blur: child-window " +
                 "focus: outer-document focus: outer-window commandupdate: cu focus: o9",
                 window, o9, "change focus to parent document during element focus");
   // clear the focus during the focus event
   trapFocus(t3, function () fm.clearFocus(window));
   compareEvents("commandupdate: cu blur: o9 commandupdate: cu focus: t3 commandupdate: cu blur: t3",
                 window, null, "clear focus during focus event");
   if (!gPartialTabbing)
     doCommandDispatcherTests();
   testMoveFocus();
   doRemoveTests();
   // tests various focus manager apis for null checks
   var exh = false;
   try {
     fm.clearFocus(null);
   }
   catch (ex) { exh = true; }
   is(exh, true, "clearFocus with null window causes exception");
   var exh = false;
   try {
     fm.getFocusedElementForWindow(null, false, focusedWindow);
   }
   catch (ex) { exh = true; }
   is(exh, true, "getFocusedElementForWindow with null window causes exception");
   // just make sure that this doesn't crash
   fm.moveCaretToFocus(null);
   // ---- tests for the FLAG_NOSWITCHFRAME flag
   getById("o5").focus();
   gLastFocusMethod = 0;
   gEvents = "";
   // focus is being shifted in a child, so the focus should not change
   expectFocusShift(function () fm.setFocus(getById("t20"), fm.FLAG_NOSWITCHFRAME),
                    window, getById("o5"), false, "no switch frame focus to child");
   setFocusTo("t20", gChildWindow);
   // here, however, focus is being shifted in a parent, which will have to blur
   // the child, so the focus will always change
   expectFocusShift(function () fm.setFocus(getById("o5"), fm.FLAG_NOSWITCHFRAME),
                    window, getById("o5"), true, "no switch frame focus to parent");
   expectFocusShift(function () fm.setFocus(getById("t1"), fm.FLAG_NOSWITCHFRAME),
                    window, getById("t1"), true, "no switch frame focus to same window");
   // ---- tests for focus and scrolling into view ----
   var inscroll = getById("inscroll");
   inscroll.tabIndex = 0;
   is(inscroll.parentNode.scrollTop, 0, "scroll position before focus");
   inscroll.focus();
   ok(inscroll.parentNode.scrollTop > 5, "scroll position after focus");
   inscroll.parentNode.scrollTop = 0;
   fm.setFocus(inscroll, fm.FLAG_NOSCROLL);
   is(inscroll.parentNode.scrollTop, 0, "scroll position after noscroll focus");
   getById("t9").focus();
   getById("inpopup1").focus();
   is(fm.focusedElement, getById("t9"), "focus in closed popup");
   // ---- tests to check if tabbing out of a textbox works
   setFocusTo("t1", window);
   var textbox1 = document.createElement("textbox");
   $("innerbox").appendChild(textbox1);
   var textbox2 = document.createElement("textbox");
   $("innerbox").appendChild(textbox2);
   gLastFocusMethod = 0;
   expectFocusShift(function () textbox2.focus(),
                    null, textbox2.inputField, true, "focus on textbox");
   gLastFocusMethod = fm.FLAG_BYKEY;
   expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }),
                    null, textbox1.inputField, true, "shift+tab on textbox");
   textbox1.tabIndex = 2;
   textbox2.tabIndex = 2;
   gLastFocusMethod = 0;
   expectFocusShift(function () textbox2.focus(),
                    null, textbox2.inputField, true, "focus on textbox with tabindex set");
   gLastFocusMethod = fm.FLAG_BYKEY;
   expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }),
                    null, textbox1.inputField, true, "shift+tab on textbox with tabindex set");
   // ---- test for bug 618907 which ensures that canceling the mousedown event still focuses the
   //      right frame
   var childContentFrame = document.getElementById("ifa")
   childContentFrame.style.MozUserFocus = "";
   var frab = childContentFrame.contentDocument.getElementById("fra-b");
   var mouseDownListener = function(event) event.preventDefault();
   frab.addEventListener("mousedown", mouseDownListener, false);
   var childElementToFocus = childContentFrame.contentDocument.getElementById("fra");
   gLastFocus = childElementToFocus;
   gLastFocusWindow = childContentFrame.contentWindow;
   gLastFocus.focus();
   gEvents = "";
   setFocusTo("t1", window);
   gLastFocusMethod = -1;
   expectFocusShift(function () synthesizeMouse(frab, 5, 5, { }, childContentFrame.contentWindow),
                    null, childElementToFocus, true,
                    "mousedown event canceled - chrome to content");
   frab.removeEventListener("mousedown", mouseDownListener, false);
   var t5 = getById("t5");
   t5.addEventListener("mousedown", mouseDownListener, false);
   synthesizeMouse(t5, 10, 10, { })
   t5.removeEventListener("mousedown", mouseDownListener, false);
   is(fm.focusedElement, childElementToFocus,
      "mousedown event cancelled - content to chrome - element");
   is(fm.focusedWindow, childContentFrame.contentWindow, "mousedown event cancelled - content to chrome - window");
   // ---- test to check that refocusing an element during a blur event doesn't succeed
   var t1 = getById("t1");
   t1.addEventListener("blur", function() t1.focus(), true);
   t1.focus();
   var t3 = getById("t3");
   synthesizeMouse(t3, 2, 2, { });
   is(fm.focusedElement, t3, "focus during blur");
   setFocusTo("t9", window);
   gLastFocusMethod = -1;
   window.openDialog("focus_window2.xul", "_blank", "chrome", otherWindowFocused);
 }
 function doCommandDispatcherTests()
 {
   var t19 = getById("t19");
   t19.focus();
   gLastFocusWindow = gChildWindow;
   gLastFocus = t19;
   gEvents = "";
   expectFocusShift(function () document.commandDispatcher.focusedElement = getById("o9"),
                    null, getById("o9"), true, "command dispatcher set focusedElement");
   expectFocusShift(function () document.commandDispatcher.advanceFocus(),
                    null, getById("o13"), true, "command dispatcher advanceFocus");
   expectFocusShift(function () document.commandDispatcher.rewindFocus(),
                    null, getById("o9"), true, "command dispatcher rewindFocus");
   expectFocusShift(function () document.commandDispatcher.focusedElement = null,
                    null, null, true, "command dispatcher set focusedElement to null");
   expectFocusShift(function () document.commandDispatcher.focusedWindow = gChildWindow,
                    null, getById("t19"), true, "command dispatcher set focusedElement to null");
   expectFocusShift(function () document.commandDispatcher.focusedElement = null,
                    gChildWindow, null, true, "command dispatcher set focusedElement to null in child");
   expectFocusShift(function () document.commandDispatcher.advanceFocusIntoSubtree(getById("t19")),
                    null, getById("t20"), true, "command dispatcher advanceFocusIntoSubtree child");
   expectFocusShift(function () document.commandDispatcher.advanceFocusIntoSubtree(null),
                    null, getById("t21"), true, "command dispatcher advanceFocusIntoSubtree null child");
   expectFocusShift(function () document.commandDispatcher.advanceFocusIntoSubtree(getById("o9").parentNode),
                    null, getById("o9"), true, "command dispatcher advanceFocusIntoSubtree parent");
 }
 function doRemoveTests()
 {
   // next, some tests which remove elements
   var t19 = getById("t19");
   t19.focus();
   t19.parentNode.removeChild(t19);
   is(fm.focusedElement, null, "removed element focusedElement");
   is(fm.focusedWindow, gChildWindow, "removed element focusedWindow");
   is(gChildWindow.document.hasFocus(), true, "removed element hasFocus");
   is(gChildWindow.document.activeElement, getById("inner-document"), "removed element activeElement");
   getById("t15").focus();
   var abs = getById("abs");
   abs.parentNode.removeChild(abs);
   is(fm.focusedElement, null, "removed ancestor focusedElement");
   is(fm.focusedWindow, gChildWindow, "removed ancestor focusedWindow");
   is(gChildWindow.document.hasFocus(), true, "removed ancestor hasFocus");
   is(gChildWindow.document.activeElement, getById("inner-document"), "removed ancestor activeElement");
 }
 // tests for the FocusManager moveFocus method
 function testMoveFocus()
 {
   setFocusTo("t6", window);
   // moving focus while an element is already focused
   var newFocus;
   gLastFocusMethod = fm.FLAG_BYMOVEFOCUS;
   var expectedFirst = getById(gPartialTabbing ? "t3" : "t1");
   expectFocusShift(function () newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_FIRST, 0),
                    window, expectedFirst, true, "moveFocus to first null window null content");
   is(newFocus, fm.focusedElement, "moveFocus to first null window null content return value");
   expectFocusShift(function () newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_LAST, 0),
                    window, getById("last"), true, "moveFocus to last null window null content");
   is(newFocus, fm.focusedElement, "moveFocus to last null window null content return value");
   gLastFocusMethod = 0;
   newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_ROOT, 0);
   is(newFocus, null, "moveFocus to root null window null content return value");
   is(fm.focusedWindow, window, "moveFocus to root null window null content focusedWindow");
   is(fm.focusedElement, null, "moveFocus to root null window null content focusedElement");
   // moving focus while no element is focused
   fm.clearFocus(window);
   gEvents = "";
   gLastFocus = null;
   gLastFocusMethod = fm.FLAG_BYMOVEFOCUS;
   expectFocusShift(function () newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_FIRST, 0),
                    window, expectedFirst, true, "moveFocus to first null window null content no focus");
   is(newFocus, fm.focusedElement, "moveFocus to first null window null content no focus return value");
   fm.clearFocus(window);
   gEvents = "";
   gLastFocus = null;
   expectFocusShift(function () newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_LAST, 0),
                    window, getById("last"), true, "moveFocus to last null window null content no focus");
   is(newFocus, fm.focusedElement, "moveFocus to last null window null content no focus return value");
   fm.clearFocus(window);
   gEvents = "";
   gLastFocusMethod = 0;
   newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_ROOT, 0);
   is(newFocus, null, "moveFocus to root null window null content no focus return value");
   is(fm.focusedWindow, window, "moveFocus to root null window null content no focus focusedWindow");
   is(fm.focusedElement, null, "moveFocus to root null window null content no focus focusedElement");
   // moving focus from a specified element
   setFocusTo("t6", window);
   gLastFocusMethod = fm.FLAG_BYMOVEFOCUS;
   expectFocusShift(function () newFocus = fm.moveFocus(null, getById("specialroot"), fm.MOVEFOCUS_FIRST, 0),
                    window, getById("t3"), true, "moveFocus to first null window with content");
 // XXXndeakin P3 this doesn't work
 //  expectFocusShift(function () newFocus = fm.moveFocus(null, getById("specialroot"), fm.MOVEFOCUS_LAST, 0),
 //                   window, getById("o3"), true, "moveFocus to last null window with content");
   // move focus to first in child window
   expectFocusShift(function () newFocus = fm.moveFocus(gChildWindow, null, fm.MOVEFOCUS_FIRST, 0),
                    gChildWindow, getById("t" + (kChildDocumentRootIndex + 1)), true,
                    "moveFocus to first child window null content");
   is(newFocus, getById("t" + (kChildDocumentRootIndex + 1)),
      "moveFocus to first child window null content return value");
   // move focus to last in child window
   setFocusTo("t6", window);
   var expectedLast = getById(gPartialTabbing ? "t30" : "t" + (kBeforeTabboxIndex - 1));
   expectFocusShift(function () newFocus = fm.moveFocus(gChildWindow, null, fm.MOVEFOCUS_LAST, 0),
                    gChildWindow, expectedLast, true,
                    "moveFocus to last child window null content");
   is(newFocus, getById(expectedLast),
      "moveFocus to last child window null content return value");
   // move focus to root in child window
   setFocusTo("t6", window);
   var childroot = getById("t" + kChildDocumentRootIndex);
   gLastFocusMethod = 0;
   newFocus = fm.moveFocus(gChildWindow, null, fm.MOVEFOCUS_ROOT, 0),
   is(newFocus, childroot, "moveFocus to root child window null content return value");
   is(fm.focusedWindow, gChildWindow, "moveFocus to root child window null content focusedWindow");
   is(fm.focusedElement, childroot, "moveFocus to root child window null content focusedElement");
   // MOVEFOCUS_CARET tests
   getById("t20").focus();
   gEvents = "";
   var selection = gChildWindow.getSelection();
   selection.removeAllRanges();
   newFocus = fm.moveFocus(gChildWindow, null, fm.MOVEFOCUS_CARET, 0);
   is(newFocus, null, "move caret when at document root");
   is(fm.focusedElement, null, "move caret when at document root");
   var node = getById("t16").firstChild;
   var range = gChildWindow.document.createRange();
   range.setStart(node, 3);
   range.setEnd(node, 3);
   selection.addRange(range);
   newFocus = fm.moveFocus(gChildWindow, null, fm.MOVEFOCUS_CARET, 0);
   is(newFocus, null, "move caret to non-link return value");
   is(fm.focusedElement, null, "move caret to non-link");
   var t25 = getById("t25");
   var node = t25.firstChild;
   range.setStart(node, 1);
   range.setEnd(node, 1);
   newFocus = fm.moveFocus(gChildWindow, null, fm.MOVEFOCUS_CARET, 0);
   is(newFocus, t25, "move caret to link return value");
   is(fm.focusedElement, t25, "move caret to link focusedElement");
   // enable caret browsing temporarily to test caret movement
   var prefs = Components.classes["@mozilla.org/preferences-service;1"].
                 getService(Components.interfaces.nsIPrefBranch);
   prefs.setBoolPref("accessibility.browsewithcaret", true);
   synthesizeKey("VK_LEFT", { }, gChildWindow);
   synthesizeKey("VK_LEFT", { }, gChildWindow);
   is(fm.focusedElement, null, "move caret away from link");
   synthesizeKey("VK_LEFT", { }, gChildWindow);
   is(fm.focusedElement, getById("t24"), "move caret away onto link");
   prefs.setBoolPref("accessibility.browsewithcaret", false);
   // cases where focus in on a content node with no frame
   if (!gPartialTabbing) {
     getById("t24").blur();
     gEvents = "";
     gLastFocus = null;
     gLastFocusWindow = gChildWindow;
     gLastFocusMethod = fm.FLAG_BYKEY;
     selection.selectAllChildren(getById("hiddenspan"));
     expectFocusShift(function () synthesizeKey("VK_TAB", { }),
                      gChildWindow, getById("t26"), true, "tab with selection on hidden content");
     setFocusTo($("o15"), window);
     $("o15").hidden = true;
     document.documentElement.getBoundingClientRect(); // flush after hiding
     expectFocusShift(function () synthesizeKey("VK_TAB", { }),
                      window, $("o17"), true, "tab with focus on hidden content");
     $("o17").hidden = true;
     document.documentElement.getBoundingClientRect();
     expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }),
                      window, $("o13"), true, "shift+tab with focus on hidden content");
   }
   // cases with selection in an <input>
   var t19 = getById("t19");
   t19.setSelectionRange(0, 0);
   setFocusTo("t18", gChildWindow);
   gLastFocusMethod = fm.FLAG_BYMOVEFOCUS;
   expectFocusShift(function () newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_FORWARD, 0),
                    gChildWindow, t19, true, "moveFocus to next textbox");
   is(t19.selectionStart, 0, "input focused after moveFocus selectionStart");
   is(t19.selectionEnd, 5, "input focused after moveFocus selectionEnd");
   t19.setSelectionRange(0, 0);
   setFocusTo("t18", gChildWindow);
   gLastFocusMethod = fm.FLAG_BYKEY;
   expectFocusShift(function () newFocus = fm.moveFocus(null, null, fm.MOVEFOCUS_FORWARD, fm.FLAG_BYKEY),
                    gChildWindow, t19, true, "moveFocus to next textbox by key");
   is(t19.selectionStart, 0, "input focused after moveFocus by key selectionStart");
   is(t19.selectionEnd, 5, "input focused after moveFocus by key selectionEnd");
 }
 function otherWindowFocused(otherWindow)
 {
   var expectedElement = getById("t9");
   is(fm.activeWindow, otherWindow, "other activeWindow");
   is(fm.focusedWindow, otherWindow, "other focusedWindow");
   is(window.document.hasFocus(), false, "when lowered document hasFocus");
   var focusedWindow = {};
   is(fm.getFocusedElementForWindow(window, false, focusedWindow),
      expectedElement, "when lowered getFocusedElementForWindow");
   is(focusedWindow.value, window, "when lowered getFocusedElementForWindow frame");
   is(document.activeElement.id, expectedElement.id, "when lowered activeElement");
   is(window.document.commandDispatcher.focusedWindow, window, " commandDispatcher in other window focusedWindow");
   is(window.document.commandDispatcher.focusedElement, expectedElement, " commandDispatcher in other window focusedElement");
   compareEvents("deactivate: outer-document-window blur: t9 blur: outer-document blur: outer-window",
                 otherWindow, null, "other window opened");
   otherWindow.document.getElementById("other").focus();
   for (var idx = kTabbableSteps; idx >= 1; idx--) {
     expectedElement = getById("t" + idx);
     if (!expectedElement) // skip elements that were removed in doRemoveTests()
       continue;
     if ((navigator.platform.indexOf("Mac") == 0) && (idx == kBeforeTabboxIndex + 1))
       continue;
     expectedElement.focus();
     is(fm.focusedElement.id, "other", "when lowered focusedElement t" + idx);
     is(fm.focusedWindow, otherWindow, "when lowered focusedWindow t" + idx);
     var checkWindow = expectedElement.ownerDocument.defaultView;
     is(fm.getFocusedElementForWindow(checkWindow, false, {}).id, expectedElement.id,
        "when lowered getFocusedElementForWindow t" + idx);
     is(checkWindow.document.activeElement.id, expectedElement.id, "when lowered activeElement t" + idx);
     if (checkWindow != window) {
       is(fm.getFocusedElementForWindow(window, false, {}), $("childframe"),
          "when lowered parent getFocusedElementForWindow t" + idx);
       is(document.activeElement.id, "childframe",
          "when lowered parent activeElement t" + idx);
     }
   }
   gEvents = gEvents.replace(/commandupdate: cu\s?/g, "");
   is(gEvents, "", "when lowered no events fired");
   var other = otherWindow.document.getElementById("other");
   other.focus();
   is(fm.focusedElement, other, "focus method in second window");
   otherWindow.close();
   getById("n2").focus();
   // next, check modal dialogs
   // XXXndeakin Bug 621399 - the modal dialog test as well as later tests sometime fail
   // on Windows 8 so just end the test here.
   if (navigator.userAgent.indexOf("Windows NT 6.2") >= 0) {
     done();
   }
   else {
     window.openDialog("focus_window2.xul", "_blank", "chrome,modal", modalWindowOpened);
   }
 }
 function modalWindowOpened(modalWindow)
 {
   var elem = modalWindow.document.getElementById("other");
   if (gPartialTabbing)
     elem.focus();
   else
     synthesizeKey("VK_TAB", { }, modalWindow);
   is(fm.activeWindow, modalWindow, "modal activeWindow");
   is(fm.focusedElement, elem, "modal focusedElement");
   modalWindow.close();
   SimpleTest.waitForFocus(modalWindowClosed);
 }
 function modalWindowClosed()
 {
   is(fm.activeWindow, window, "modal window closed activeWindow");
   is(fm.focusedElement, getById("n2"), "modal window closed focusedElement");
   window.open("focus_frameset.html", "_blank", "width=400,height=400,toolbar=no");
 }
 function framesetWindowLoaded(framesetWindow)
 {
   gLastFocus = null;
   gLastFocusWindow = framesetWindow;
   gEvents = "";
   is(fm.activeWindow, getTopWindow(framesetWindow), "frameset window active");
   gOldExpectedWindow = getTopWindow(framesetWindow);
   gMoveToFocusFrame = true;
   for (var idx = 1; idx <= 8; idx++) {
     gNewExpectedWindow = framesetWindow.frames[(idx - 1) >> 1];
     if (idx % 2)
       initEvents(gNewExpectedWindow);
     expectFocusShift(function () synthesizeKey("VK_TAB", { }, framesetWindow),
                      gNewExpectedWindow, getById("f" + idx), true, "frameset tab key f" + idx);
     gMoveToFocusFrame = false;
     gOldExpectedWindow = gNewExpectedWindow;
   }
   gNewExpectedWindow = framesetWindow.frames[0];
   expectFocusShift(function () synthesizeKey("VK_TAB", { }, framesetWindow),
                    gNewExpectedWindow, getById("f1"), true, "frameset tab key wrap to start");
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[3];
   expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f8"), true, "frameset shift tab key wrap to end");
   for (idx = 7; idx >= 1; idx--) {
     gOldExpectedWindow = gNewExpectedWindow;
     gNewExpectedWindow = framesetWindow.frames[(idx - 1) >> 1];
     expectFocusShift(function () synthesizeKey("VK_TAB", { shiftKey: true }, framesetWindow),
                      gNewExpectedWindow, getById("f" + idx), true, "frameset shift tab key f" + idx);
   }
   // document shifting
   // XXXndeakin P3 ctrl+tab doesn't seem to be testable currently for some reason
   gNewExpectedWindow = framesetWindow.frames[1];
   expectFocusShift(function () synthesizeKey("VK_F6", { ctrlKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f3"), true, "switch document forward with f6");
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[2];
   expectFocusShift(function () synthesizeKey("VK_F6", { }, framesetWindow),
                    gNewExpectedWindow, getById("f5"), true, "switch document forward with ctrl+tab");
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[3];
   expectFocusShift(function () synthesizeKey("VK_F6", { ctrlKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f7"), true, "switch document forward with ctrl+f6");
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[0];
   expectFocusShift(function () synthesizeKey("VK_F6", { ctrlKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f1"), true, "switch document forward and wrap");
 // going backwards by document and wrapping doesn't currently work, but didn't work
 // before the focus reworking either
 /*
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[3];
   expectFocusShift(function () synthesizeKey("VK_F6", { ctrlKey: true, shiftKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f7"), true, "switch document backward and wrap");
  */
   fm.moveFocus(framesetWindow.frames[3], null, fm.MOVEFOCUS_ROOT, 0);
   gEvents = "";
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[2];
   expectFocusShift(function () synthesizeKey("VK_F6", { ctrlKey: true, shiftKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f5"), true, "switch document backward with f6");
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[1];
   expectFocusShift(function () synthesizeKey("VK_F6", { ctrlKey: true, shiftKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f3"), true, "switch document backward with ctrl+tab");
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = framesetWindow.frames[0];
   expectFocusShift(function () synthesizeKey("VK_F6", { ctrlKey: true, shiftKey: true }, framesetWindow),
                    gNewExpectedWindow, getById("f1"), true, "switch document backward with ctrl+f6");
   // skip the window switching tests for now on Linux, as raising and lowering
   // a window is asynchronous there
   if (navigator.platform.indexOf("Linux") == -1) {
     window.openDialog("focus_window2.xul", "_blank", "chrome", switchWindowTest, framesetWindow);
   }
   else {
     gOldExpectedWindow = null;
     gNewExpectedWindow = null;
     framesetWindow.close();
     SimpleTest.waitForFocus(doWindowNoRootTest);
   }
 }
 // test switching between two windows
 function switchWindowTest(otherWindow, framesetWindow)
 {
   initEvents(otherWindow);
   var otherElement = otherWindow.document.getElementById("other");
   otherElement.focus();
   framesetWindow.frames[1].document.getElementById("f4").focus();
   is(fm.focusedElement, otherElement, "focus after inactive window focus");
   gLastFocus = otherElement;
   gLastFocusWindow = otherWindow;
   gEvents = "";
   gOldExpectedWindow = otherWindow;
   gNewExpectedWindow = framesetWindow.frames[1];
   expectFocusShift(function () gNewExpectedWindow.focus(),
                    gNewExpectedWindow, getById("f4"), true, "switch to frame in another window");
   is(fm.getFocusedElementForWindow(otherWindow, false, {}).id, "other", "inactive window has focused element");
   gOldExpectedWindow = framesetWindow.frames[1];
   gNewExpectedWindow = otherWindow;
   expectFocusShift(function () otherWindow.focus(),
                    gNewExpectedWindow, getById("other"), true, "switch to another window");
   var exh = false;
   try {
     fm.activeWindow = framesetWindow.frames[0];
   }
   catch (ex) { exh = true; }
   is(exh, true, "activeWindow set to non top-level window");
   exh = false;
   try {
     fm.activeWindow = null;
   }
   catch (ex) { exh = true; }
   is(exh, true, "activeWindow set to null");
   is(fm.activeWindow, otherWindow, "window not changed when activeWindow set to null");
   var topWindow = getTopWindow(framesetWindow);
   ok(topWindow.document.commandDispatcher.getControllerForCommand("cmd_copy"),
      "getControllerForCommand for focused window set");
   ok(otherWindow.document.commandDispatcher.getControllerForCommand("cmd_copy"),
      "getControllerForCommand for non-focused window set");
   ok(topWindow.document.commandDispatcher.getControllerForCommand("cmd_copy") !=
      otherWindow.document.commandDispatcher.getControllerForCommand("cmd_copy"),
      "getControllerForCommand for two windows different");
   ok(topWindow.document.commandDispatcher.getControllers() !=
      otherWindow.document.commandDispatcher.getControllers(),
      "getControllers for two windows different");
   gOldExpectedWindow = otherWindow;
   gNewExpectedWindow = framesetWindow.frames[1];
   expectFocusShift(function () fm.activeWindow = topWindow,
                    gNewExpectedWindow, getById("f4"), true, "switch to frame activeWindow");
   fm.clearFocus(otherWindow);
   gOldExpectedWindow = gNewExpectedWindow;
   gNewExpectedWindow = otherWindow;
   expectFocusShift(function () fm.setFocus(otherElement, fm.FLAG_RAISE),
                    gNewExpectedWindow, getById("other"), true, "switch to window with raise");
   getTopWindow(framesetWindow).document.commandDispatcher.focusedWindow = gOldExpectedWindow;
   is(fm.activeWindow, gNewExpectedWindow, "setting commandDispatcher focusedWindow doesn't raise window");
   fm.moveFocus(otherWindow, null, fm.MOVEFOCUS_FORWARD, 0);
   var otherTextbox = otherWindow.document.getElementById("other-textbox");
   otherTextbox.setSelectionRange(2, 3);
   fm.activeWindow = topWindow;
   fm.activeWindow = otherWindow;
   is(otherTextbox.selectionStart, 2, "selectionStart after textbox focus and window raise");
   is(otherTextbox.selectionEnd, 3, "selectionEnd after textbox focus and window raise");
   is(fm.getLastFocusMethod(null), fm.FLAG_BYMOVEFOCUS, "last focus method after textbox focus and window raise");
   fm.clearFocus(otherWindow);
   // test to ensure that a synthetic event works
   var synevent = document.createEvent("Event");
   synevent.initEvent("focus", false, false);
   otherTextbox.inputField.dispatchEvent(synevent);
   is(synevent.type, "focus", "event.type after synthetic focus event");
   is(synevent.target, otherTextbox, "event.target after synthetic focus event");
   is(fm.focusedElement, null, "focusedElement after synthetic focus event");
   is(otherWindow.document.activeElement, otherWindow.document.documentElement,
      "document.activeElement after synthetic focus event");
   // check accessing a focus event after the event has finishing firing
   function continueTest(event) {
     is(event.type, "focus", "event.type after accessing focus event in timeout");
     is(event.target, otherTextbox, "event.target after accessing focus event in timeout");
     gOldExpectedWindow = null;
     gNewExpectedWindow = null;
     otherWindow.close();
     framesetWindow.close();
     SimpleTest.waitForFocus(doWindowNoRootTest);
   }
   function textboxFocused(event) {
     otherTextbox.removeEventListener("focus", textboxFocused, true);
     setTimeout(continueTest, 0, event);
   }
   otherTextbox.addEventListener("focus", textboxFocused, true);
   otherTextbox.focus();
 }
 // open a window with no root element
 var noRootWindow = null;
 function doWindowNoRootTest()
 {
   var data = "data:application/vnd.mozilla.xul+xml," + unescape(
              "<window onfocus='dostuff()' xmlns='http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul'" +
              "        style='-moz-user-focus: normal;'>" +
              "<script>function dostuff() { setTimeout(function() { " +
              "document.documentElement.focus(); document.removeChild(document.documentElement);" +
              "window.opener.focus(); }, 100); }</script></window>");
   addEventListener("focus", doFrameSwitchingTests, true);
   noRootWindow = window.open(data, "_blank", "chrome,width=100,height=100");
 }
 // these tests check when focus is moved between a tree of frames to ensure
 // that the focus is in the right place at each event step.
 function doFrameSwitchingTests()
 {
   removeEventListener("focus", doFrameSwitchingTests, true);
   noRootWindow.close();
   var framea = document.getElementById("ifa");
   var frameb = document.getElementById("ifb");
   framea.style.MozUserFocus = "";
   frameb.style.MozUserFocus = "";
   window.removeEventListener("focus", eventOccured, true);
   window.removeEventListener("blur", eventOccured, true);
   var inputa = framea.contentDocument.body.firstChild;
   inputa.focus();
   addFrameSwitchingListeners(framea);
   addFrameSwitchingListeners(frameb);
   var framec = framea.contentDocument.body.lastChild;
   addFrameSwitchingListeners(framec);
   var framed = framec.contentDocument.body.lastChild;
   addFrameSwitchingListeners(framed);
   var inputc = framec.contentDocument.body.firstChild;
   var expectedMainWindowFocus = framea;
   // An element in the immediate parent frame is focused. Focus an element in
   // the child. The child should be focused and the parent's current focus should
   // be the child iframe.
   gEventMatched = true;
   is(fm.getFocusedElementForWindow(window, false, {}), expectedMainWindowFocus,
      "parent of framea has iframe focused");
   gExpectedEvents = [[inputa, "blur", null, framea.contentWindow, window, framea],
                      [framea.contentDocument, "blur", null, null, window, framea],
                      [framea.contentWindow, "blur", null, null, window, framea],
                      [framec.contentDocument, "focus", null, framec.contentWindow, window, framea],
                      [framec.contentWindow, "focus", null, framec.contentWindow, window, framea],
                      [inputc, "focus", inputc, framec.contentWindow, window, framea]];
   inputc.focus();
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch from parent input to child input" + gExpectedEvents);
   // An element in a child is focused. Focus an element in the immediate
   // parent.
   gEventMatched = true;
   gExpectedEvents = [[inputc, "blur", null, framec.contentWindow, window, framea],
                      [framec.contentDocument, "blur", null, null, window, framea],
                      [framec.contentWindow, "blur", null, null, window, framea],
                      [framea.contentDocument, "focus", null, framea.contentWindow, window, framea],
                      [framea.contentWindow, "focus", null, framea.contentWindow, window, framea],
                      [inputa, "focus", inputa, framea.contentWindow, window, framea]];
   inputa.focus();
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch from child input to parent input");
   // An element in a frame is focused. Focus an element in a sibling frame.
   // The common ancestor of the two frames should have its focused node
   // cleared after the element is blurred.
   var inputb = frameb.contentDocument.body.firstChild;
   gEventMatched = true;
   gExpectedEvents = [[inputa, "blur", null, framea.contentWindow, window, framea],
                      [framea.contentDocument, "blur", null, null, window, null],
                      [framea.contentWindow, "blur", null, null, window, null],
                      [frameb.contentDocument, "focus", null, frameb.contentWindow, window, frameb],
                      [frameb.contentWindow, "focus", null, frameb.contentWindow, window, frameb],
                      [inputb, "focus", inputb, frameb.contentWindow, window, frameb]];
   inputb.focus();
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch from input to sibling frame");
   is(fm.getFocusedElementForWindow(framea.contentWindow, false, {}), inputa,
      "blurred frame still has input as focus");
   // focus a descendant in a sibling
   var inputd = framed.contentDocument.body.firstChild;
   gEventMatched = true;
   gExpectedEvents = [[inputb, "blur", null, frameb.contentWindow, window, frameb],
                      [frameb.contentDocument, "blur", null, null, window, null],
                      [frameb.contentWindow, "blur", null, null, window, null],
                      [framed.contentDocument, "focus", null, framed.contentWindow, window, framea],
                      [framed.contentWindow, "focus", null, framed.contentWindow, window, framea],
                      [inputd, "focus", inputd, framed.contentWindow, window, framea]];
   inputd.focus();
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch from input to sibling descendant");
   is(fm.getFocusedElementForWindow(framea.contentWindow, false, {}), framec,
      "sibling parent focus has shifted to frame");
   // focus an ancestor
   gEventMatched = true;
   gExpectedEvents = [[inputd, "blur", null, framed.contentWindow, window, framea],
                      [framed.contentDocument, "blur", null, null, window, framea],
                      [framed.contentWindow, "blur", null, null, window, framea],
                      [framea.contentDocument, "focus", null, framea.contentWindow, window, framea],
                      [framea.contentWindow, "focus", null, framea.contentWindow, window, framea],
                      [inputa, "focus", inputa, framea.contentWindow, window, framea]];
   inputa.focus();
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch from child input to ancestor");
   // focus a descendant
   gEventMatched = true;
   gExpectedEvents = [[inputa, "blur", null, framea.contentWindow, window, framea],
                      [framea.contentDocument, "blur", null, null, window, framea],
                      [framea.contentWindow, "blur", null, null, window, framea],
                      [framed.contentDocument, "focus", null, framed.contentWindow, window, framea],
                      [framed.contentWindow, "focus", null, framed.contentWindow, window, framea],
                      [inputd, "focus", inputd, framed.contentWindow, window, framea]];
   inputd.focus();
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch from child input to ancestor");
   is(fm.getFocusedElementForWindow(framea.contentWindow, false, {}), framec,
      "parent focus has shifted to frame");
   // focus a sibling frame by setting focusedWindow
   gEventMatched = true;
   gExpectedEvents = [[inputd, "blur", null, framed.contentWindow, window, framea],
                      [framed.contentDocument, "blur", null, null, window, null],
                      [framed.contentWindow, "blur", null, null, window, null],
                      [frameb.contentDocument, "focus", null, frameb.contentWindow, window, frameb],
                      [frameb.contentWindow, "focus", null, frameb.contentWindow, window, frameb],
                      [inputb, "focus", inputb, frameb.contentWindow, window, frameb]];
   fm.focusedWindow = frameb.contentWindow;
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch using focusedWindow");
   // clear the focus in an unfocused frame
   gEventMatched = true;
   gExpectedEvents = [];
   fm.clearFocus(framec.contentWindow);
   ok(gEventMatched && gExpectedEvents.length == 0, "clearFocus in unfocused frame");
   // focus a sibling frame by setting focusedWindow when no element is focused in that frame
   gEventMatched = true;
   gExpectedEvents = [[inputb, "blur", null, frameb.contentWindow, window, frameb],
                      [frameb.contentDocument, "blur", null, null, window, null],
                      [frameb.contentWindow, "blur", null, null, window, null],
                      [framec.contentDocument, "focus", null, framec.contentWindow, window, framea],
                      [framec.contentWindow, "focus", null, framec.contentWindow, window, framea]];
   fm.focusedWindow = framec.contentWindow;
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch using focusedWindow with no element focused");
   is(fm.getFocusedElementForWindow(framea.contentWindow, false, {}), framec,
      "parent focus has shifted to frame using focusedWindow");
   // focus the parent frame by setting focusedWindow. This should have no effect.
   gEventMatched = true;
   gExpectedEvents = [];
   fm.focusedWindow = framea.contentWindow;
   ok(gEventMatched && gExpectedEvents.length == 0, "frame switch to parent using focusedWindow");
   // clear the focus in the parent frame
   gEventMatched = true;
   gExpectedEvents = [[framec.contentDocument, "blur", null, null, window, framea],
                      [framec.contentWindow, "blur", null, null, window, framea],
                      [framea.contentDocument, "focus", null, framea.contentWindow, window, framea],
                      [framea.contentWindow, "focus", null, framea.contentWindow, window, framea]];
   fm.clearFocus(framea.contentWindow);
   ok(gEventMatched && gExpectedEvents.length == 0, "clearFocus in parent frame");
   // clear the focus in an unfocused child frame
   gEventMatched = true;
   gExpectedEvents = [];
   fm.clearFocus(framed.contentWindow);
   ok(gEventMatched && gExpectedEvents.length == 0, "clearFocus in unfocused child frame");
   var exh = false;
   try {
     fm.focusedWindow = null;
   }
   catch (ex) { exh = true; }
   is(exh, true, "focusedWindow set to null");
   is(fm.focusedWindow, framea.contentWindow, "window not changed when focusedWindow set to null");
   doFrameHistoryTests()
 }
 function doFrameHistoryTests()
 {
   var t20 = getById("t20");
   t20.focus();
   gChildWindow.addEventListener("focus",
     function(event) {
       if (event.target == t20) {
         is(fm.focusedElement, t20, "focus restored after history back"); done();
     }
   }, true);
   // make sure that loading a new page and then going back maintains the focus
   gChildWindow.location = "data:text/html,<script>window.onload=function() {setTimeout(function () {window.back();}, 0);}</script>";
 }
 function addFrameSwitchingListeners(frame)
 {
   frame.contentWindow.addEventListener("focus", frameSwitchingEventOccured, false);
   frame.contentWindow.addEventListener("blur", frameSwitchingEventOccured, false);
   frame.contentDocument.addEventListener("focus", frameSwitchingEventOccured, false);
   frame.contentDocument.addEventListener("blur", frameSwitchingEventOccured, false);
   var node = frame.contentDocument.body.firstChild;
   node.addEventListener("focus", frameSwitchingEventOccured, false);
   node.addEventListener("blur", frameSwitchingEventOccured, false);
 }
 function frameSwitchingEventOccured(event)
 {
   if (!gExpectedEvents.length) {
     gEventMatched = false;
     return;
   }
   try {
     var events = gExpectedEvents.shift();
     is(event.target, events[0], "event target");
     is(event.type, events[1], "event type");
     is(fm.focusedElement, events[2], "focused element");
     is(fm.focusedWindow, events[3], "focused frame");
     if (events[4])
       is(fm.getFocusedElementForWindow(events[4], false, {}), events[5], "focused element in frame");
     if (gEventMatched && event.target == events[0] && event.type == events[1] &&
         fm.focusedElement == events[2] && fm.focusedWindow == events[3]) {
       if (!events[4] || fm.getFocusedElementForWindow(events[4], false, {}) == events[5])
         return;
     }
   } catch (ex) { ok(ex, "exception"); }
   gEventMatched = false;
 }
 SimpleTest.waitForExplicitFinish();
 SimpleTest.waitForFocus(startTest);
 ]]>
 </script>
 <commandset id="cu"
             commandupdater="true"
             events="focus"
             oncommandupdate="eventOccured(event)"/>
 <!--
  The elements with ids starting with t are focusable and in the taborder.
  The elements with ids starting with o are:
    odd numbered ids - focusable but not part of the tab order
    even numbered ids - not focusable with -moz-user-focus: ignore or disabled
  The elements with ids starting with n are:
    odd numbered ids - not focusable with -moz-user-focus: none
    even numbered ids - focusable but not part of the tab order
  -->
 <vbox id="buttonbox">
 <hbox id="innerbox">
   <button id="t4" accesskey="h" label="no tabindex"/>
   <button id="o1" accesskey="i" label="tabindex = -1" tabindex="-1"/>
   <listbox id="t5" label="tabindex = 0" tabindex="0" rows="1">
     <listitem/>
   </listbox>
   <button id="t1" label="tabindex = 2" tabindex="2"/>
 </hbox>
 <hbox>
   <button id="o2" accesskey="o" style="-moz-user-focus: ignore;" label="no tabindex"/>
   <button id="o4" style="-moz-user-focus: ignore;" label="tabindex = -1" tabindex="-1"/>
   <button id="t6" style="-moz-user-focus: ignore;" label="tabindex = 0" tabindex="0"/>
   <button id="t2" style="-moz-user-focus: ignore;" label="tabindex = 2" tabindex="2"/>
 </hbox>
 <hbox id="specialroot">
   <button id="t7" style="-moz-user-focus: normal;" label="no tabindex"/>
   <button id="o3" style="-moz-user-focus: normal;" label="tabindex = -1" tabindex="-1"/>
   <button id="t8" style="-moz-user-focus: normal;" label="tabindex = 0" tabindex="0"/>
   <listbox id="t3" style="-moz-user-focus: normal;" label="tabindex = 2" tabindex="2" rows="1">
     <listitem/>
   </listbox>
 </hbox>
 <hbox>
   <button accesskey="p" style="display: none;"/> <button accesskey="q" style="visibility: collapse;"/>
   <button style="display: none;" tabindex="2"/> <button style="visibility: collapse;" tabindex="2"/>
 </hbox>
 <hbox>
   <button id="o20" accesskey="s" label="no tabindex" disabled="true"/>
   <button id="o22" label="tabindex = -1" tabindex="-1" disabled="true"/>
   <button id="o24" label="tabindex = 0" tabindex="0" disabled="true"/>
   <button id="o26" label="tabindex = 2" tabindex="2" disabled="true"/>
 </hbox>
 </vbox>
 <vbox>
 <hbox>
   <dropmarker id="o6" value="no tabindex"/>
   <dropmarker id="o8" value="tabindex = -1" tabindex="-1"/>
   <dropmarker id="o10" value="tabindex = 0" tabindex="0"/>
   <dropmarker id="o12" value="tabindex = 2" tabindex="2"/>
   <dropmarker id="t9" accesskey="r" style="-moz-user-focus: normal;" value="no tabindex" />
   <dropmarker id="t10" style="-moz-user-focus: normal;" value="tabindex = -1" tabindex="-1" />
   <dropmarker id="t11" style="-moz-user-focus: normal;" value="tabindex = 0" tabindex="0" />
   <dropmarker id="t12" style="-moz-user-focus: normal;" value="tabindex = 2" tabindex="2" />
   <dropmarker id="o14" style="-moz-user-focus: ignore;" value="no tabindex"/>
   <dropmarker id="o16" style="-moz-user-focus: ignore;" value="tabindex = -1" tabindex="-1"/>
   <dropmarker id="n1" style="-moz-user-focus: none;" value="tabindex = 0" tabindex="0"/>
   <dropmarker id="n3" style="-moz-user-focus: none;" value="tabindex = 2" tabindex="2"/>
 </hbox>
 </vbox>
 <browser id="childframe" type="content" src="child_focus_frame.html" width="300" height="195"/>
 <button id="t34"/>
 <tabbox id="tabbox">
   <tabs><tab id="t35" label="One"/><tab id="tab2" label="Two"/></tabs>
   <tabpanels>
     <tabpanel>
       <checkbox id="t36"/>
       <button id="t37"/>
     </tabpanel>
     <tabpanel>
       <checkbox id="htab1"/>
       <button id="nohtab2" tabindex="7"/>
       <checkbox id="htab2" tabindex="0"/>
     </tabpanel>
   </tabpanels>
 </tabbox>
 <hbox>
 <panel>
   <button id="inpopup1" label="One"/>
   <textbox label="Two"/>
 </panel>
 <description label="o" accesskey="v"/>
 <button id="t38"/>
 <!-- The 't' element tests end here so it doesn't matter that these elements are tabbable -->
 <label id="aj" value="j" accesskey="j" control="o9"/>
 <label id="ak" accesskey="k" control="n4">k</label>
 <checkbox id="o5"/><checkbox id="o7"/><hbox><checkbox id="o9"/></hbox>
 <checkbox id="o13"/><checkbox id="o15"/><checkbox id="o17"/><checkbox id="o19"/><checkbox id="o21"/><checkbox id="o23"/><checkbox id="o25"/>
 <checkbox id="n2"/><checkbox id="n4"/>
 <listbox id="last" width="20" rows="1"/>
 <iframe id="ifa" width="40" height="60" style="-moz-user-focus: ignore;" type="content"
         src="data:text/html,&lt;input id=fra size='2'&gt;&lt;input id='fra-b' size='2'&gt;
         &lt;iframe src='data:text/html,&lt;input id=frc&gt;&lt;iframe src=&quot;data:text/html,&lt;input id=frd&gt;&quot;&gt;&lt;/iframe&gt;'&gt;&lt;/iframe&gt;"/>
 <iframe id="ifb" width="20" height="20" style="-moz-user-focus: ignore;"
         src="data:text/html,&lt;input id=frd&gt;&lt;/iframe&gt;"/>
 </hbox>
 </window>

The Tor Browser / annotate

dom/tests/mochitest/chrome/window_focus.xul@97036ab72558 (annotated)

dom/tests/mochitest/chrome/window_focus.xul