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

dom/tests/mochitest/general/test_focusrings.xul@97036ab72558 (annotated)

dom/tests/mochitest/general/test_focusrings.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="/tests/SimpleTest/test.css" type="text/css"?>
 <window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 <script type="application/javascript"
         src="/tests/SimpleTest/SimpleTest.js"></script>
 <script type="application/javascript"
         src="/tests/SimpleTest/EventUtils.js"></script>
 <script type="application/javascript"
         src="/tests/SimpleTest/WindowSnapshot.js"></script>
 <html:style xmlns:html="http://www.w3.org/1999/xhtml" type="text/css">
 * { outline: none; }
 #l1:-moz-focusring, #l3:-moz-focusring, #b1:-moz-focusring { outline: 2px solid red; }
 #l2:focus, #b2:focus { outline: 2px solid red; }
 </html:style>
 <script>
 <![CDATA[
 SimpleTest.waitForExplicitFinish();
 function setOrRestoreTabFocus(newValue) {
   const prefSvcContractID = "@mozilla.org/preferences-service;1";
   const prefSvcIID = SpecialPowers.Ci.nsIPrefService;
   var prefs = SpecialPowers.Cc[prefSvcContractID].getService(prefSvcIID)
                                                    .getBranch("accessibility.");
   if (!newValue) {
     if (prefs.prefHasUserValue("tabfocus")) {
       prefs.clearUserPref("tabfocus");
     }
   } else {
     prefs.setIntPref("tabfocus", newValue);
   }
 }
 function snapShot(element) {
   var rect = element.getBoundingClientRect();
   adjustedRect = { left: rect.left - 6, top: rect.top - 6,
                    width: rect.width + 12, height: rect.height + 12 }
   return SpecialPowers.snapshotRect(window, adjustedRect, "transparent");
 }
 function runTest()
 {
   setOrRestoreTabFocus(7);
   var isMac = (navigator.platform.indexOf("Mac") >= 0);
   var isWin = (navigator.platform.indexOf("Win") >= 0);
   function checkFocus(element, visible, testid)
   {
     var outline = getComputedStyle(element, "").outlineWidth;
     is(outline, visible ? "2px" : "0px", testid);
   }
   // make sure that a focus ring appears on the focused button
   if (navigator.platform.indexOf("Mac") >= 0) {
     var focusedButton = $("b3");
     ok(compareSnapshots(snapShot(focusedButton), snapShot($("b2")), true)[0], "unfocused shows no ring");
     focusedButton.focus();
     ok(compareSnapshots(snapShot(focusedButton), snapShot($("b2")), false)[0], "focus shows ring");
   }
   checkFocus($("l1"), false, "initial appearance");
   // we can't really test the situation on Windows where a dialog doesn't show
   // focus rings until a key is pressed, as the default state depends on what
   // kind of real user input, mouse or key, was last entered. But we can handle
   // the test regardless of which user input last occurred.
   $("l1").focus();
   var expectedVisible = (!isWin || getComputedStyle($("l1"), "").outlineWidth == "2px");
   testHTMLElements(htmlElements, isMac, isWin && !expectedVisible);
   if (isMac) {
     var prefs = SpecialPowers.Cc["@mozilla.org/preferences-service;1"].
                   getService(SpecialPowers.Ci.nsIPrefBranch);
     prefs.setBoolPref("accessibility.mouse_focuses_formcontrol", true);
     testHTMLElements(htmlElementsMacPrefSet, true, false);
     prefs.setBoolPref("accessibility.mouse_focuses_formcontrol", false);
   }
   $("l1").focus();
   checkFocus($("l1"), expectedVisible, "appearance on list after focus() with :moz-focusring");
   $("l2").focus();
   checkFocus($("l2"), true, "appearance on list after focus() with :focus");
   is(getComputedStyle($("l1"), "").outlineWidth, "0px", "appearance on previous list after focus() with :focus");
   synthesizeMouse($("l1"), 4, 4, { });
   checkFocus($("l1"), expectedVisible, "appearance on list after mouse focus with :moz-focusring");
   synthesizeMouse($("l2"), 4, 4, { });
   checkFocus($("l2"), true, "appearance on list after mouse focus with :focus");
   synthesizeMouse($("b1"), 4, 4, { });
   checkFocus($("b1"), !isMac && expectedVisible, "appearance on button after mouse focus with :moz-focusring");
   if (navigator.platform.indexOf("Mac") >= 0) {
     ok(compareSnapshots(snapShot($("b1")), snapShot($("b2")), false)[0], "focus after mouse shows no ring");
   }
   synthesizeMouse($("b2"), 4, 4, { });
   checkFocus($("b2"), !isMac, "appearance on button after mouse focus with :focus");
   // after a key is pressed, the focus ring will always be visible
   $("l2").focus();
   synthesizeKey("VK_TAB", { });
   checkFocus($("l3"), true, "appearance on list after tab focus");
   setOrRestoreTabFocus(0);
   SimpleTest.finish();
 }
 var htmlElements = [
   "<button id='elem'>Button</button>",
   "<input id='elem' class='canfocus'>",
   "<input id='elem' type='password' class='canfocus'>",
   "<input id='elem' type='button'>",
   "<input id='elem' type='checkbox'>",
   "<textarea id='elem' class='canfocus'></textarea>",
   "<select id='elem' class='canfocus'><option>One</select>",
   "<select id='elem' rows='5' class='canfocus'><option>One</select>",
   "<div id='elem' tabindex='0' class='canfocus' style='width: 10px; height: 10px;'></div>",
   "<a href='about:blank' class='canfocus' onclick='return false;'>about:blank</a>",
 ];
 var htmlElementsMacPrefSet = [
   "<button id='elem' class='canfocus'>Button</button>",
   "<input id='elem' class='canfocus'>",
   "<input id='elem' type='button' class='canfocus'>",
   "<input id='elem' type='checkbox' class='canfocus'>",
 ];
 function testHTMLElements(list, isMac, expectedNoRingsOnWin)
 {
   var childwin = frames[0];
   var childdoc = childwin.document;
   var container = childdoc.getElementById("container");
   for (var e = 0; e < list.length; e++) {
     container.innerHTML = list[e];
     var elem = container.firstChild;
     var shouldFocus = !isMac || (elem.className == "canfocus");
     var ringSize = (shouldFocus ? (expectedNoRingsOnWin ? 2 : 1) : 0) + "px";
     if (elem.localName == "a")
       ringSize = "0px";
     synthesizeMouse(elem, 8, 8, { }, childwin);
     is(childdoc.activeElement, shouldFocus ? elem : childdoc.body, "mouse click on " + list[e]);
     is(childwin.getComputedStyle(elem, "").outlineWidth, ringSize, "mouse click on " + list[e] + " ring");
     if (childdoc.activeElement)
       childdoc.activeElement.blur();
     ringSize = (elem.localName == "a" ? "0" : (expectedNoRingsOnWin ? 2 : 1)) + "px";
     elem.focus();
     is(childdoc.activeElement, elem, "focus() on " + list[e]);
     is(childwin.getComputedStyle(elem, "").outlineWidth, ringSize,
        "focus() on " + list[e] + " ring");
     childdoc.activeElement.blur();
   }
 }
 SimpleTest.waitForFocus(runTest);
 ]]>
 </script>
 <listbox id="l1" class="plain" height="20"/>
 <listbox id="l2" class="plain" height="20"/>
 <listbox id="l3" class="plain" height="20"/>
 <button id="b1" label="Button"/>
 <button id="b2" label="Button"/>
 <button id="b3" label="Button"/>
 <iframe id="child" src="data:text/html,&lt;html&gt;&lt;style&gt;* { outline: none; -moz-appearance: none; } %23elem:focus { outline: 2px solid red; } %23elem:-moz-focusring { outline: 1px solid blue; }&lt;/style&gt;&lt;div id='container'&gt;&lt;/html&gt;"/>
 <body xmlns="http://www.w3.org/1999/xhtml" style="height: 300px; overflow: auto;"/>
 </window>

The Tor Browser / annotate

dom/tests/mochitest/general/test_focusrings.xul@97036ab72558 (annotated)

dom/tests/mochitest/general/test_focusrings.xul