| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <head> |
| <link rel="help" src="https://github.com/w3c/csswg-drafts/issues/7759"> |
| <link rel="match" href="deferred-timeline-composited-ref.html"> |
| <script src="/web-animations/testcommon.js"></script> |
| <script src="/common/reftest-wait.js"></script> |
| <style> |
| @keyframes anim { |
| from { translate: 0px; } |
| to { translate: 100px; } |
| } |
| main { |
| timeline-scope: --t1; |
| } |
| .scroller { |
| width: 100px; |
| height: 100px; |
| will-change: translate; |
| background-color: white; |
| /* Prevent scrollers from appearing in the screenshot. */ |
| opacity: 0; |
| } |
| .scroller > div { |
| height: 300px; |
| width: 300px; |
| } |
| #target { |
| animation: anim auto linear; |
| animation-timeline: --t1; |
| width: 50px; |
| height: 50px; |
| will-change: translate; |
| background-color: green; |
| } |
| .timeline { |
| scroll-timeline-name: --t1; |
| } |
| #scroller_block { |
| overflow-y: scroll; |
| overflow-x: hidden; |
| scroll-timeline-axis: block; |
| } |
| #scroller_inline { |
| overflow-y: hidden; |
| overflow-x: scroll; |
| scroll-timeline-axis: inline; |
| } |
| </style> |
| </head> |
| <body> |
| <main> |
| <div id=target></div> |
| <div id=scroller_block class="scroller timeline"> |
| <div></div> |
| </div> |
| <div id=scroller_inline class=scroller> |
| <div></div> |
| </div> |
| </main> |
| <script> |
| (async () => { |
| await waitForCompositorReady(); |
| // Switch out the timeline associated with timeline-scope:--t. |
| scroller_block.classList.toggle('timeline'); |
| scroller_inline.classList.toggle('timeline'); |
| await waitForCompositorReady(); |
| let scrollPromise = new Promise((resolve) => { |
| scroller_inline.addEventListener('scrollend', resolve); |
| }) |
| scroller_inline.scrollTo({left: 100, behavior: "smooth"}); // 50% |
| await scrollPromise; |
| takeScreenshot(); |
| })(); |
| </script> |
| </body> |
| </html> |
