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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>inert on Shadow host affects content in shadow</title>
<link rel="author" title="Alice Boxhall" href="aboxhall@chromium.org">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div>Buttons 1 and 2 should be inert.</div>
<div id="shadow-host" inert>
<button id="button-1">Button 1 (inert)</button>
</div>
<script>
/*
Eventual flattened tree structure:
<div id="shadow-host" inert>
#shadow-root (open)
| <slot>
: <button id="button-1">Button 1 (inert)</button> <!-- slotted -->
| </slot>
| <button id="button-2">Button 2 (inert)</button> <!-- in shadow -->
</div>
*/
const shadowHost = document.getElementById("shadow-host");
const shadowRoot = shadowHost.attachShadow({ mode: "open" });
// Button 1 will be slotted
const slot = document.createElement("slot");
shadowRoot.appendChild(slot);
const button2 = document.createElement("button");
button2.id = "button-2";
button2.textContent = "Button 2 (inert)";
shadowRoot.appendChild(button2);
function testCanFocus(selector, canFocus, opt_context) {
let context = opt_context || document;
const element = context.querySelector(selector);
let focusedElement = null;
element.addEventListener("focus", function() { focusedElement = element; }, false);
element.focus();
assert_equals((focusedElement === element), canFocus);
}
test(() => {
testCanFocus("#button-1", false);
testCanFocus("#button-2", false, shadowRoot);
}, "inert on Shadow host affects content in shadow");
</script>
</body>
</html>
|
