<!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>
