new-content-transform-position-fixed.html (1962B)
1 <!DOCTYPE html> 2 <html class=reftest-wait> 3 <title>View transitions: computed transform for position fixed elements doesn't include scroll pos</title> 4 <link rel="help" href="https://drafts.csswg.org/css-view-transitions-1/"> 5 <link rel="author" title="Matt Woodrow" href="mailto:mattwoodrow@apple.com"> 6 <link rel="match" href="new-content-transform-position-fixed-ref.html"> 7 <script src="/common/rendering-utils.js"></script> 8 <script src="/common/reftest-wait.js"></script> 9 <script src="../../../../../resources/ui-helper.js"></script> 10 <style> 11 :root { 12 background: lightpink; 13 box-shadow: 10px 0 0 0 inset red; 14 } 15 16 .box { 17 background: lightblue; 18 width: 100px; 19 height: 100px; 20 position: fixed; 21 view-transition-name: target; 22 } 23 24 /* We're verifying what we capture, so just display the new contents for 5 minutes. */ 25 html::view-transition-group(*) { animation-duration: 300s; } 26 html::view-transition-new(*) { animation: unset; opacity: 1; } 27 html::view-transition-old(*) { animation: unset; opacity: 0; } 28 /* hide the root so we show transition background to ensure we're in a transition */ 29 html::view-transition-group(root) { animation: unset; opacity: 0; } 30 html::view-transition { background: lightpink; } 31 </style> 32 <div class=box></div> 33 <div style="height: 1000px;"></div> 34 <script> 35 failIfNot(document.startViewTransition, "Missing document.startViewTransition"); 36 37 async function runTest() { 38 await waitForAtLeastOneFrame(); 39 40 /* Scroll the doc, target element's element-to-screen transform should not change */ 41 await new Promise((resolve) => { 42 addEventListener("scroll", () => { 43 requestAnimationFrame(() => requestAnimationFrame(resolve)); 44 }, { once: true, capture: true }); 45 46 document.documentElement.scrollTop = 500; 47 }); 48 let t = document.startViewTransition(() => { 49 requestAnimationFrame(() => requestAnimationFrame(takeScreenshot)); 50 }); 51 } 52 onload = () => requestAnimationFrame(() => requestAnimationFrame(runTest)); 53 </script>