| <!DOCTYPE html> |
| <html class=reftest-wait> |
| <title>View transitions: scroller child element</title> |
| <link rel="help" href="https://www.w3.org/TR/css-view-transitions-1/"> |
| <link rel="author" href="mailto:vmpstr@chromium.org"> |
| <link rel="match" href="scroller-child-ref.html"> |
| <meta name="fuzzy" content="maxDifference=0-5; totalPixels=0-800"> |
| <script src="/common/reftest-wait.js"></script> |
| |
| <style> |
| #target { |
| view-transition-name: target; |
| width: 500px; |
| height: 500px; |
| background: yellow; |
| } |
| #scroller { |
| overflow: scroll; |
| width: 100px; |
| height: 100px; |
| background: blue; |
| } |
| |
| #child { |
| position: relative; |
| width: 2000px; |
| height: 2000px; |
| background: green; |
| } |
| |
| html::view-transition-group(root) { animation-duration: 300s; } |
| html::view-transition-old(target) { |
| animation: unset; |
| opacity: 1; |
| } |
| html::view-transition-new(target) { |
| animation: unset; |
| opacity: 0; |
| } |
| </style> |
| |
| <div id="target"> |
| <div id="scroller"> |
| <div id="child"></div> |
| </div> |
| </div> |
| |
| <script> |
| failIfNot(document.startViewTransition, "Missing document.startViewTransition"); |
| |
| function runTest() { |
| scroller.scrollTop = 300; |
| |
| let transition = document.startViewTransition(); |
| transition.ready.then(() => requestAnimationFrame(takeScreenshot)); |
| } |
| |
| onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest)); |
| </script> |
| |