gecko-dev/dom/events/test/test_focus_disabled.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=375008
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 375008</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=375008">Mozilla Bug 375008</a>
<p id="display"></p>
<div id="content">
<div id='not-focusable'>
<!-- Disabled elements -->
<button hidden disabled>foo</button>
<input hidden disabled>
<fieldset hidden disabled>foo</fieldset>
<select hidden disabled><option>foo</option></select>
<textarea hidden disabled></textarea>
<optgroup hidden disabled><option>foo</option></optgroup>
<option hidden disabled>foo</option>
</div>
<div id='focusable'>
<button hidden>foo</button>
<input hidden>
<select hidden><option>foo</option></select>
<textarea hidden></textarea>
<!-- Those elements are not focusable by default. -->
<fieldset tabindex=1 hidden>foo</fieldset>
<optgroup tabindex=1 hidden><option>foo</option></optgroup>
<option tabindex=1 hidden>foo</option>
</div>
<!-- Hidden elements, they have a frame but focus will go through them. -->
<div id='hidden' style='visibility: hidden;'>
<button hidden>foo</button>
<input hidden>
<fieldset hidden>foo</fieldset>
<select hidden><option>foo</option></select>
<textarea hidden></textarea>
<optgroup hidden><option>foo</option></optgroup>
<option hidden>foo</option>
</div>
<div>
<input id='witness'>
</div>
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 375008 **/
/*
* This test is divided in three parts:
* - cases where focus isn't doable but blur should not happen;
* - cases where focus is doable;
* - cases where focus isn't doable but blur should still happen.
*/
SimpleTest.waitForExplicitFinish();
SimpleTest.waitForFocus(function() {
// On Mac, this preference needs to be turned on to be able to focus all the
// form controls we want to focus.
SpecialPowers.pushPrefEnv({"set": [[ "accessibility.mouse_focuses_formcontrol", true ]]},
runTest);
});
function runTest()
{
var witness = document.getElementById('witness');
witness.focus();
var notFocusableElements = document.getElementById('not-focusable').children;
for (var i=0; i<notFocusableElements.length; ++i) {
var element = notFocusableElements[i];
element.hidden = false;
synthesizeMouseAtCenter(element, {});
is(document.activeElement, witness,
"[" + element.tagName + "] witness should still be focused");
// Cleanup.
element.hidden = true;
witness.focus();
}
var focusableElements = document.getElementById('focusable').children;
for (var i=0; i<focusableElements.length; ++i) {
var element = focusableElements[i];
element.hidden = false;
synthesizeMouseAtCenter(element, {});
is(document.activeElement, element, "focus should have moved to " + element);
// Cleanup.
element.hidden = true;
witness.focus();
}
var hiddenElements = document.getElementById('hidden').children;
for (var i=0; i<hiddenElements.length; ++i) {
var element = hiddenElements[i];
element.hidden = false;
synthesizeMouseAtCenter(element, {});
is(document.activeElement, document.body,
"focus should have moved to the body");
// Cleanup.
element.hidden = true;
witness.focus();
}
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>