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servo/tests/wpt/web-platform-tests/speculation-rules/prerender/resources/screen-capture.https.html

32 lines
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HTML

<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/speculation-rules/prerender/resources/utils.js"></script>
<script src="/speculation-rules/prerender/resources/deferred-promise-utils.js"></script>
<script>
const params = new URLSearchParams(location.search);
// The main test page (restriction-screen-capture.https.html) loads the
// initiator page, then the initiator page will prerender itself with the
// `prerendering` parameter.
const isPrerendering = params.has('prerendering');
if (!isPrerendering) {
loadInitiatorPage();
} else {
const prerenderEventCollector = new PrerenderEventCollector();
const promise = new Promise(async (resolve, reject) => {
try {
await navigator.mediaDevices.getDisplayMedia({video: true});
resolve();
} catch (e) {
reject(`navigator.mediaDevices.getDisplayMedia error: ${e.toString()}`);
}
});
prerenderEventCollector.start(
promise, 'navigator.mediaDevices.getDisplayMedia');
}
</script>