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<!DOCTYPE html>
<script src="utils.js"></script>
<title>Fenced frame content to report the result of prerendering</title>
<body>
<script>
async function report() { // Needed in order to use top-level await.
// This file is meant to run in a <fencedframe>. It reports its dimensions
// back to the outermost page, which in turn checks for correctness.
const [window_outer_size_key, window_inner_size_key, dimension,
extra_children] = parseKeylist();
const url = new URL(location.href);
if (extra_children == "0") {
let outer_result = (dimension == "width") ?
window.outerWidth : window.outerHeight;
let inner_result = (dimension == "width") ?
window.innerWidth : window.innerHeight;
writeValueToServer(window_outer_size_key, outer_result);
writeValueToServer(window_inner_size_key, inner_result);
} else {
const iframe = document.createElement('iframe');
const frame_url = generateURL('window-outer-dimensions-inner.html',
[window_outer_size_key, window_inner_size_key, dimension,
(parseInt(extra_children) - 1)]);
iframe.src = frame_url;
document.body.append(iframe);
}
}
report();
</script>
</body>
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