<!DOCTYPE HTML>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1782142
-->
<title>Test :active pseudo-class in shadow DOM</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="/tests/SimpleTest/paint_listener.js"></script>
<script src="/tests/gfx/layers/apz/test/mochitest/apz_test_utils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1062578">Bug 1782142</a>
<div id="host"></div>
<script>
let { ContentTaskUtils } = SpecialPowers.ChromeUtils.import(
  "resource://testing-common/ContentTaskUtils.jsm"
);

// Setup shadow DOM
const host = document.querySelector("#host");
const sr = host.attachShadow({mode: "closed"});
const button = document.createElement("button");
button.innerText = "button";
sr.appendChild(button);

add_task(async function init() {
  await SpecialPowers.pushPrefEnv({set: [["test.events.async.enabled", true]]});
  await waitUntilApzStable();
});

add_task(async function mouse_input() {
  ok(!button.matches(":active"), "Button should not be active initially");

  synthesizeMouseAtCenter(button, { type: "mousedown" });
  await ContentTaskUtils.waitForCondition(() => {
    return button.matches(":active");
  }, "Button should be active");

  synthesizeMouseAtCenter(button, { type: "mouseup" });
  await ContentTaskUtils.waitForCondition(() => {
    return !button.matches(":active");
  }, "Button should not be active");
});

add_task(async function touch_input() {
  // To avoid contextmenu showing up during test.
  document.addEventListener("contextmenu", (e) => {
    e.preventDefault();
  }, { once: true });

  ok(!button.matches(":active"), "Button should not be active initially");

  synthesizeTouchAtCenter(button, { type: "touchstart" });
  await ContentTaskUtils.waitForCondition(() => {
    return button.matches(":active");
  }, "Button should be active");

  synthesizeTouchAtCenter(button, { type: "touchend" });
  await ContentTaskUtils.waitForCondition(() => {
    return !button.matches(":active");
  }, "Button should not be active");
});
</script>
