|  | <!DOCTYPE html> | 
|  | <html class=reftest-wait> | 
|  | <title>View transitions: shared element writing-modes</title> | 
|  | <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/"> | 
|  | <link rel="author" href="mailto:vmpstr@chromium.org"> | 
|  | <link rel="match" href="old-content-element-writing-modes-ref.html"> | 
|  | <script src="/common/reftest-wait.js"></script> | 
|  | <style> | 
|  | #hidden { | 
|  | width: 100px; | 
|  | height: 100px; | 
|  | background: red; | 
|  | position: absolute; | 
|  | top: 0; | 
|  | left: 0; | 
|  | contain: paint; | 
|  | view-transition-name: hidden; | 
|  | } | 
|  | .tb { writing-mode: horizontal-tb; } | 
|  | .lr { writing-mode: vertical-lr; } | 
|  | .rl { writing-mode: vertical-rl; } | 
|  | .shared { | 
|  | margin: 2px; | 
|  | width: 100px; | 
|  | height: 50px; | 
|  | background: green; | 
|  | contain: paint; | 
|  | border: 1px solid black; | 
|  | } | 
|  | #target1, #target2, #target3 { | 
|  | background: red; | 
|  | position: absolute; | 
|  | top: 50px; | 
|  | left: 50px; | 
|  | width: 100px; | 
|  | height: 500px; | 
|  | contain: paint; | 
|  | } | 
|  | #one { view-transition-name: s1; } | 
|  | #two { view-transition-name: s2; } | 
|  | #three { view-transition-name: s3; } | 
|  |  | 
|  | html::view-transition-group(hidden) { animation-duration: 300s; } | 
|  | html::view-transition-image-pair(hidden) { animation: unset; opacity: 0; } | 
|  |  | 
|  | html::view-transition-group(s1), | 
|  | html::view-transition-group(s2), | 
|  | html::view-transition-group(s3) { | 
|  | animation-delay: 300s; | 
|  | animation-fill-mode: both; | 
|  | } | 
|  |  | 
|  | html::view-transition-new(s1), | 
|  | html::view-transition-new(s2), | 
|  | html::view-transition-new(s3) { animation: unset; opacity: 0; } | 
|  |  | 
|  | html::view-transition-old(s1), | 
|  | html::view-transition-old(s2), | 
|  | html::view-transition-old(s3) { animation: unset; opacity: 1; } | 
|  |  | 
|  | /* hide the root so we show transition background to ensure we're in a transition */ | 
|  | html::view-transition-group(root) { animation: unset; opacity: 0; } | 
|  | html::view-transition { background: lightpink; } | 
|  |  | 
|  | </style> | 
|  |  | 
|  | <div id=hidden>Should not be visible</div> | 
|  | <div id=target1>Should not be visible</div> | 
|  | <div id=target2>Should not be visible</div> | 
|  | <div id=target3>Should not be visible</div> | 
|  | <div id=one class="shared tb">T</div> | 
|  | <div id=two class="shared lr">T</div> | 
|  | <div id=three class="shared rl">T</div> | 
|  |  | 
|  | <script> | 
|  | failIfNot(document.startViewTransition, "Missing document.startViewTransition"); | 
|  |  | 
|  | async function runTest() { | 
|  | document.startViewTransition(() => { | 
|  | one.remove(); | 
|  | two.remove(); | 
|  | three.remove(); | 
|  | hidden.style.left = "200px"; | 
|  | target1.style.viewTransitionName = "s1"; | 
|  | target2.style.viewTransitionName = "s2"; | 
|  | target3.style.viewTransitionName = "s3"; | 
|  | requestAnimationFrame(() => requestAnimationFrame(takeScreenshot)); | 
|  | }); | 
|  | } | 
|  | onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest)); | 
|  | </script> | 
|  |  | 
|  |  | 
|  |  | 
|  |  |