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<!DOCTYPE html>
<!--
Tentative due to:
https://github.com/WICG/capability-delegation/issues/10
-->
<title>Capability Delegation of Fullscreen Requests: Subframe Same-Origin</title>
<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="resources/utils.js"></script>
<div>
Verifies that element.requestFullscreen() calls from a same-origin subframe without user
activation work if and only if the top frame has user activation, regardless of whether it
delegates the capability or not.
https://wicg.github.io/capability-delegation/spec.html
See wpt/html/user-activation/propagation*.html for frame tree user activation visibility tests.
</div>
<iframe allow="fullscreen" width="300px" height="50px"
src="./resources/delegate-fullscreen-request-recipient.html">
</iframe>
<script>
function testSameOriginSubframeFullscreenDelegation(capability, activate, expectation) {
const message = {"type": "make-fullscreen-request"};
const expectationType = expectation ? "succeeds" : "fails";
const delegationType = capability ? "with delegation" : "without delegation";
const activationType = activate ? "with user activation" : "with no user activation";
promise_test(async () => {
const data = await postCapabilityDelegationMessage(frames[0], message, window.location, capability, activate);
assert_equals(data.result, expectation ? "success" : "failure");
}, `Fullscreen requests from a same-origin subframe ${expectationType} ${delegationType} from an opener ${activationType}`);
}
promise_setup(async () => {
// Make sure the recipient iframe has loaded.
return getMessageData("recipient-loaded", frames[0]);
});
testSameOriginSubframeFullscreenDelegation(/*capability=*/"", /*activate=*/false, /*expectation=*/false);
testSameOriginSubframeFullscreenDelegation(/*capability=*/"", /*activate=*/true, /*expectation=*/true);
testSameOriginSubframeFullscreenDelegation(/*capability=*/"fullscreen", /*activate=*/true, /*expectation=*/true);
</script>
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