1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
<!DOCTYPE html>
<html id="html" tabindex="1">
<head>
<link rel="help" href="https://html.spec.whatwg.org/multipage/interaction.html#blocked-by-a-modal-dialog">
<meta name="assert" content="Checks that, when opening modal dialogs, inert nodes are not focusable.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body id="body" tabindex="1">
<style>
dialog {
outline: none;
}
</style>
<dialog id="top-dialog" tabindex="1" style="width: 100px; top: 30px"><button id="top-dialog-button">I get focus</button></dialog>
<dialog id="bottom-dialog" tabindex="-1" style="width: 100px; bottom: 30px"><button id="bottom-dialog-button">I don't get focus.</button></dialog>
<div id="container">
<input id="text" type="text">
<input id="datetime" type="datetime">
<input id="color" type="color">
<select id="select">
<optgroup id="optgroup">
<option id="option">Option</option>
</optgroup>
</select>
<div id="contenteditable-div" contenteditable>I'm editable</div>
<span id="tabindex-span" tabindex="0">I'm tabindexed.</div>
<embed id="embed" type="application/x-blink-test-plugin" width=100 height=100></embed>
<a id="anchor" href="">Link</a>
</div>
<script>
"use strict";
// The test passses if only the topmost dialog and its button are focusable.
function testFocus(element, expectFocus) {
test(function() {
var focusedElement = null;
element.addEventListener('focus', function() { focusedElement = element; }, false);
element.focus();
var theElement = element;
if (expectFocus) {
assert_equals(focusedElement, theElement);
} else {
assert_not_equals(focusedElement, theElement);
}
}, `#${CSS.escape(element.id)} is ${expectFocus ? "" : "not "} focusable`);
}
function testTree(element, expectFocus) {
if (element.nodeType == Node.ELEMENT_NODE)
testFocus(element, expectFocus);
var childNodes = element.childNodes;
for (var i = 0; i < childNodes.length; i++)
testTree(childNodes[i], expectFocus);
}
var bottomDialog = document.getElementById('bottom-dialog');
var topDialog = document.getElementById('top-dialog');
setup(function() {
bottomDialog.showModal();
topDialog.showModal();
add_completion_callback(function() {
topDialog.close();
bottomDialog.close();
});
});
testFocus(document.documentElement, false);
testFocus(document.body, false);
testTree(topDialog, true);
testTree(bottomDialog, false);
testTree(document.getElementById('container'), false);
</script>
</body>
</html>
|
