| <!DOCTYPE html> |
| <title>Document#exitFullscreen() for nested fullscreen inside an iframe</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/testdriver.js"></script> |
| <script src="/resources/testdriver-vendor.js"></script> |
| <script src="../trusted-click.js"></script> |
| <iframe allowfullscreen></iframe> |
| <script> |
| promise_test(async (t) => { |
| const iframe = document.querySelector("iframe"); |
| await new Promise((resolve) => { |
| iframe.onload = resolve; |
| iframe.srcdoc = "<div id='outer'><div id='inner'></div></div>"; |
| }); |
| const iframeDoc = iframe.contentDocument; |
| const outer = iframeDoc.getElementById("outer"); |
| const inner = iframeDoc.getElementById("inner"); |
| |
| // First request fullscreen for the outer element. |
| await Promise.all([fullScreenChange(), trusted_request(outer)]); |
| assert_equals(document.fullscreenElement, iframe); |
| assert_equals(iframeDoc.fullscreenElement, outer); |
| |
| // Then request fullscreen for the inner element. |
| await Promise.all([fullScreenChange(), trusted_request(inner)]); |
| assert_equals(document.fullscreenElement, iframe); |
| assert_equals(iframeDoc.fullscreenElement, inner); |
| |
| // Now exit fullscreen for the iframe's content document. |
| await Promise.all([fullScreenChange(), iframeDoc.exitFullscreen()]); |
| assert_equals(document.fullscreenElement, null); |
| assert_equals(iframeDoc.fullscreenElement, null); |
| }, "Exit fullscreen for nested fullscreen inside an iframe"); |
| </script> |
