| <!DOCTYPE html> |
| <html> |
| <head> |
| <title>Test that WebFullScreenManagerProxy::RequestExitFullscreen works when fullscreen was initiated from an iframe</title> |
| <style> |
| ::backdrop { |
| background: red; |
| } |
| </style> |
| </head> |
| <body> |
| <script src="../resources/testharness.js"></script> |
| <script src="../resources/testharnessreport.js"></script> |
| <script src="../imported/w3c/web-platform-tests/resources/testdriver.js"></script> |
| <script src="../resources/testdriver-vendor.js"></script> |
| <script> |
| addEventListener("load", () => { |
| promise_test(async () => { |
| await new Promise(resolve => { |
| test_driver.bless("fullscreen", () => { iframe.contentDocument.documentElement.requestFullscreen() }, iframe.contentWindow); |
| iframe.contentDocument.documentElement.addEventListener("fullscreenchange", resolve); |
| }); |
| assert_equals(document.fullscreenElement, iframe, "iframe is fullscreen"); |
| assert_equals(iframe.contentDocument.fullscreenElement, iframe.contentDocument.documentElement, "iframe content is fullscreen"); |
| await new Promise(resolve => { |
| // Simulate clicking on the system fullscreen button. |
| testRunner.requestExitFullscreenFromUIProcess(); |
| iframe.contentDocument.documentElement.addEventListener("fullscreenchange", resolve); |
| }); |
| assert_equals(document.fullscreenElement, null, "iframe is no longer fullscreen"); |
| assert_equals(iframe.contentDocument.fullscreenElement, null, "iframe content is no longer fullscreen"); |
| assert_false(iframe.contentDocument.documentElement.matches(":fullscreen")); |
| }); |
| }); |
| </script> |
| <iframe allowfullscreen id="iframe" srcdoc="<button onclick='document.documentElement.requestFullscreen();'>Go fullscreen</button><p>This test passes if there is no red after exiting fullscreen from the system control.</p>"></iframe> |
| </body> |
| </html> |
