<!DOCTYPE html>
<title>View transitions: pageswap navigationactivation for replace navigations</title>
<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
<link rel="author" href="mailto:[email protected]">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
@view-transition {
navigation: auto;
}
html {
view-transition-name: none;
}
</style>
<script>
const expectedUrl = location.href + '?new';
const params = new URLSearchParams(location.search);
// The page the popup navigates to.
const is_new_page = params.has('new');
// The initial page in the popup.
const is_popup_page = params.has('popup');
// The test page itself.
const is_test_page = !is_popup_page && !is_new_page;
const channel = new BroadcastChannel("testchannel");
if (is_test_page) {
const expectedEvents = ["pageswap", "pagehide", "pagereveal", "finished"];
promise_test(async t => {
let popup;
onload = () => {
window.events = [];
popup = window.open("?popup");
};
await new Promise(resolve => {
channel.addEventListener(
"message", t.step_func(async (e) => {
if (e.data === "nav") {
assert_array_equals(window.events, expectedEvents, 'incorrect event order');
popup.close();
resolve();
}
}));
});
}, `transition finishes with no named elements`);
} else if (is_popup_page) {
onload = () => {
requestAnimationFrame(() => requestAnimationFrame(() => {
location.replace(location.href.split('?')[0] + '?new');
}));
onpageswap = (e) => {
window.opener.events.push("pageswap");
};
onpagehide = () => {
window.opener.events.push("pagehide");
};
};
} else if (is_new_page) {
onpagereveal = (e) => {
window.opener.events.push("pagereveal");
e.viewTransition.finished.then(() => {
window.opener.events.push("finished");
channel.postMessage("nav");
});
}
}
</script>
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