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<!DOCTYPE html>
<meta charset="utf-8">
<title>KeyboardEvent propagation on disabled form elements</title>
<link rel="author" href="mailto:avandolder@mozilla.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script>
class CustomControl extends HTMLElement {
static get formAssociated() {return true;}
constructor() {
super();
this.internals = this.attachInternals();
this.attachShadow({mode: "open", delegatesFocus: true});
this.shadowRoot.append(
document.querySelector("template").content.cloneNode(true)
);
}
get target() {
return this.shadowRoot.getElementById("target");
}
}
customElements.define("custom-control", CustomControl)
</script>
<template>
<div tabindex="0" id="target">
<slot></slot>
</div>
</template>
<div tabindex="0" id="reset"></div>
<form id="form">
<input> <!-- Sanity check with non-disabled control -->
<select disabled></select>
<textarea disabled></textarea>
<input disabled type="button">
<input disabled type="checkbox">
<input disabled type="color" value="#000000">
<input disabled type="date">
<input disabled type="datetime-local">
<input disabled type="email">
<input disabled type="file">
<input disabled type="image">
<input disabled type="month">
<input disabled type="number">
<input disabled type="password">
<input disabled type="radio">
<input disabled type="range" value="0">
<input disabled type="reset">
<input disabled type="search">
<input disabled type="submit">
<input disabled type="tel">
<input disabled type="text">
<input disabled type="time">
<input disabled type="url">
<input disabled type="week">
<fieldset disabled><span tabindex="0">Span</span></fieldset>
<button disabled><span tabindex="0">Span</span></button>
<custom-control disabled>Text</custom-control>
</form>
<script>
const keyEvents = ["keydown", "keyup"];
function setupTest(t, element, observingElement) {
const observedEvents = [];
const controller = new AbortController();
const {signal} = controller;
const listenerFn = t.step_func(event => {
observedEvents.push(event.type);
});
for (const event of keyEvents) {
observingElement.addEventListener(event, listenerFn, {signal});
}
t.add_cleanup(() => controller.abort());
const target = element;
return {target, observedEvents};
}
function fire_trusted_key_events(target) {
const actions = new test_driver.Actions();
return actions.keyDown("a").keyUp("a").send();
}
function fire_untrusted_key_events(target) {
target.dispatchEvent(new KeyboardEvent("keydown", {bubbles: true}));
target.dispatchEvent(new KeyboardEvent("keyup", {bubbles: true}));
}
const observingElement = document.getElementById("form");
const reset = document.getElementById("reset");
for (const element of observingElement.children) {
promise_test(async t => {
const {observedEvents} = setupTest(t, element, observingElement);
const target = element.firstElementChild ?? element.target ?? element;
await t.step_func(fire_untrusted_key_events)(target);
await new Promise(resolve => t.step_timeout(resolve, 0));
assert_array_equals(observedEvents, keyEvents, "Observed events");
}, `Untrusted key events on ${element.outerHTML}, observed from <${observingElement.localName}>`);
// Only test elements with children for trusted key events.
if (!element.firstElementChild && !element.target) {
continue;
}
promise_test(async t => {
const {observedEvents} = setupTest(t, element, observingElement);
const target = element.firstElementChild ?? element.target;
reset.focus();
assert_not_equals(document.activeElement, target, "Reset current focus");
target.focus();
assert_equals(document.activeElement, element.firstElementChild ?? element, "Focus the target element");
await t.step_func(fire_trusted_key_events)(target);
await new Promise(resolve => t.step_timeout(resolve, 0));
assert_array_equals(observedEvents, keyEvents, "Observed events");
}, `Trusted key events on ${element.outerHTML}, observed from <${observingElement.localName}>`);
}
</script>
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