| <!doctype html> |
| <html class=reftest-wait> |
| <title>Nested View Transitions: Rounded border clipper</title> |
| <link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/"> |
| <link rel="match" href="rounded-border-clipper-ref.html"> |
| <script src="/common/reftest-wait.js"></script> |
| <script src="resources/compute-test.js"></script> |
| <script src="/dom/events/scrolling/scroll_support.js"></script> |
| |
| <style> |
| :root { view-transition-name: none } |
| |
| #clipper { |
| view-transition-group: contain; |
| view-transition-name: clipper; |
| overflow: clip; |
| height: 200px; |
| width: 100px; |
| border-radius: 20px; |
| } |
| |
| .item { |
| will-change: transform; |
| view-transition-name: item; |
| background: green; |
| position: relative; |
| height: 50px; |
| } |
| |
| .lower { |
| top: 50px; |
| } |
| |
| ::view-transition-group(clipper) { |
| animation-play-state: paused; |
| overflow: clip; |
| border-radius: 20px; |
| } |
| </style> |
| |
| <div id=clipper> |
| <div id=item class=item></div> |
| </div> |
| |
| <script> |
| |
| async function runTest() { |
| await document.startViewTransition(() => item.classList.add("lower")).ready; |
| |
| let anims = document.documentElement.getAnimations({ subtree: true }); |
| let promises = anims.map(anim => { |
| if (anim.playState != "paused") { |
| return anim.finished; |
| } |
| }); |
| Promise.all(promises).then(takeScreenshot); |
| } |
| |
| onload = () => { |
| waitForCompositorReady().then(runTest); |
| } |
| </script> |
| |
| |
