blob: c0a4b67aa4b5900249415622f85ce95b4298750a [file] [log] [blame]
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
<html>
<head>
<script src="../resources/js-test-pre.js"></script>
</head>
<body id="body">
<div id="bg">
<p id="bgContent">Other page content with <a href="#">a dummy focusable element</a></p>
<p><a onclick="toggleDialog('show'); return false;" href="#" role="button" id="displayBtn">Display a dialog</a></p>
</div>
<div role="dialog" aria-modal="true" aria-labelledby="myDialog" id="box" class="box-hidden" tabindex="-1">
<h3 id="myDialog">Just an example.</h3>
<button id="ok" onclick="toggleDialog('hide');" class="close-button">OK</button>
<button onclick="toggleDialog('hide');" class="close-button">Cancel</button>
</div>
<script>
description("This tests that aria-modal on dialog makes other elements inert.");
if (window.accessibilityController) {
// Background should be unaccessible after loading, since the
// dialog is displayed and aria-modal=true.
shouldBeFalse("backgroundAccessible()");
// Close the dialog, background should be accessible.
document.getElementById("ok").click();
shouldBeTrue("backgroundAccessible()");
// Click the display button, dialog shows and background becomes unaccessible.
document.getElementById("displayBtn").click();
shouldBeFalse("backgroundAccessible()");
var okBtn = accessibilityController.accessibleElementById("ok");
shouldBeFalse("okBtn.isIgnored");
// Test the case that aria-modal=true when dialog is hidden won't affect other objects.
// 1. Dialog not rendered
document.getElementById("ok").click();
document.getElementById("box").setAttribute("aria-modal", "true");
shouldBeTrue("backgroundAccessible()");
// 2. Dialog is aria hidden
document.getElementById("displayBtn").click();
document.getElementById("box").setAttribute("aria-hidden", "true");
shouldBeTrue("backgroundAccessible()");
document.getElementById("box").setAttribute("aria-hidden", "false");
shouldBeFalse("backgroundAccessible()");
// Test modal dialog is removed from DOM tree.
var dialog = document.getElementById("box");
dialog.parentNode.removeChild(dialog);
shouldBeTrue("backgroundAccessible()");
}
function backgroundAccessible() {
var displayBtn = accessibilityController.accessibleElementById("displayBtn");
var bgContent = accessibilityController.accessibleElementById("bgContent");
if (!displayBtn || !bgContent)
return false;
return !displayBtn.isIgnored && !bgContent.isIgnored;
}
function toggleDialog(sh) {
dialog = document.getElementById("box");
if (sh == "show") {
// show the dialog
dialog.style.display = 'block';
dialog.setAttribute("aria-modal", "true");
} else {
dialog.style.display = 'none';
dialog.setAttribute("aria-modal", "false");
}
}
</script>
<script src="../resources/js-test-post.js"></script>
</body>
</html>