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<!DOCTYPE HTML>
<link rel="help" href="https://w3c.github.io/pointerevents/#firing-events-using-the-pointerevent-interface">
<title>Enter/leave events fired to parent after child is removed from slot</title>
<meta name="variant" content="?mouse">
<meta name="variant" content="?touch">
<meta name="variant" content="?pen">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="pointerevent_support.js"></script>
<template id="template">
<style>
div {
width: 100px;
height: 100px;
}
</style>
<div id="parent">
<slot id="slot">slot</slot>
</div>
</template>
<style>
div, my-elem {
width: 100px;
height: 100px;
display: block;
}
</style>
<my-elem id="host">
<div id="child">child</div>
</my-elem>
<div id="done">done</div>
<script>
"use strict";
customElements.define(
"my-elem",
class extends HTMLElement {
constructor() {
super();
let content = document.getElementById("template").content;
const shadowRoot = this.attachShadow({ mode: "open" });
shadowRoot.appendChild(content.cloneNode(true));
}
},
);
const pointer_type = location.search.substring(1);
const shadow_host = document.getElementById("host");
const parent = shadow_host.shadowRoot.getElementById("parent");
const slot = parent.firstElementChild;
const slotted_child = document.getElementById("child");
const done = document.getElementById("done");
let event_log = [];
function logEvent(e) {
if (e.eventPhase == e.AT_TARGET) {
event_log.push(e.type + "@" + e.target.id);
}
}
function setup() {
const events = ["pointerover", "pointerout",
"pointerenter", "pointerleave", "pointerdown", "pointerup"];
let targets = [shadow_host, parent, slot, slotted_child];
for (let i = 0; i < targets.length; i++) {
events.forEach(event => targets[i].addEventListener(event, logEvent));
}
}
setup();
promise_test(async test => {
event_log = [];
let done_click_promise = getEvent("click", done);
let actions = new test_driver.Actions()
.addPointer("TestPointer", pointer_type)
.pointerMove(0, 0, {origin: shadow_host})
.pointerDown()
.pointerUp()
.pointerMove(0, 0, {origin: done})
.pointerDown()
.pointerUp();
await actions.send();
await done_click_promise;
const expected_events = [
"pointerover@child",
"pointerenter@host", "pointerenter@parent", "pointerenter@slot", "pointerenter@child",
"pointerdown@child", "pointerup@child",
"pointerout@child",
"pointerleave@child", "pointerleave@slot", "pointerleave@parent", "pointerleave@host"
];
assert_equals(event_log.toString(), expected_events.toString(),
"events received");
}, `Pointer events from ${pointer_type} to slotted element and shadow-host`);
</script>
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