| <!DOCTYPE html> |
| <title>View Transitions: @view-transition opt-in programmatically.</title> |
| <link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/"> |
| <link rel="author" href="mailto:bokan@chromium.org"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <style id="vt-style"> |
| @view-transition { |
| navigation: none; |
| } |
| </style> |
| <script> |
| function optIn() { |
| document.querySelector("#vt-style").innerHTML = `@view-transition { navigation: auto }`; |
| } |
| const params = new URLSearchParams(location.search); |
| |
| optIn(); |
| |
| // This file includes 3 modes: test, old, new. |
| // "test" is where testharness runs. "old" -> "new" is where the view transition takes place. |
| switch (params.get("mode") || "test") { |
| case "test": |
| promise_test(async t => { |
| const event = await new Promise(resolve => { |
| window.did_reveal = e => { resolve(e) }; |
| const popup = window.open("?mode=old"); |
| t.add_cleanup(() => popup.close()); |
| }); |
| |
| assert_not_equals(event.viewTransition, null, "ViewTransition must be triggered."); |
| }); |
| break; |
| case "old": |
| onload = () => requestAnimationFrame(() => requestAnimationFrame(() => { |
| location.replace('?mode=new'); |
| })); |
| break; |
| case "new": |
| onpagereveal = e => window.opener.did_reveal(e); |
| } |
| </script> |
| |
| <body> |
| Lorem ipsum dolor sit amet consectetur adipisicing elit. Alias quis assumenda doloremque, repellat quidem quia blanditiis harum animi corrupti totam sunt provident sapiente at eius sequi labore repellendus velit fugit! |
| </body> |
