| <!DOCTYPE html> |
| <title>animation-timeline with multiple timelines</title> |
| <link rel="help" src="https://drafts.csswg.org/css-animations-2/#animation-timeline"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/web-animations/testcommon.js"></script> |
| <style> |
| main { |
| timeline-scope: --top_timeline, --bottom_timeline, --left_timeline, --right_timeline; |
| } |
| |
| .scroller { |
| overflow: hidden; |
| width: 100px; |
| height: 100px; |
| } |
| .scroller > div { |
| height: 200px; |
| width: 200px; |
| } |
| |
| @keyframes top { |
| from { top: 100px; } |
| to { top: 200px; } |
| } |
| @keyframes bottom { |
| from { bottom: 100px; } |
| to { bottom: 200px; } |
| } |
| @keyframes left { |
| from { left: 100px; } |
| to { left: 200px; } |
| } |
| @keyframes right { |
| from { right: 100px; } |
| to { right: 200px; } |
| } |
| |
| #top_scroller { |
| scroll-timeline-name: --top_timeline; |
| scroll-timeline-axis: block; |
| } |
| #bottom_scroller { |
| scroll-timeline-name: --bottom_timeline; |
| scroll-timeline-axis: inline; |
| } |
| #left_scroller { |
| scroll-timeline-name: --left_timeline; |
| scroll-timeline-axis: block; |
| } |
| #right_scroller { |
| scroll-timeline-name: --right_timeline; |
| scroll-timeline-axis: inline; |
| } |
| |
| #element { |
| animation-name: top, bottom, left, right; |
| animation-duration: 10s; |
| animation-timing-function: linear; |
| animation-timeline: --top_timeline, --bottom_timeline, --left_timeline, --right_timeline; |
| } |
| /* Ensure stable expectations if feature is not supported */ |
| @supports not (animation-timeline:--foo) { |
| #element { animation-play-state: paused; } |
| } |
| </style> |
| <main> |
| <div class=scroller id=top_scroller><div></div></div> |
| <div class=scroller id=bottom_scroller><div></div></div> |
| <div class=scroller id=left_scroller><div></div></div> |
| <div class=scroller id=right_scroller><div></div></div> |
| <div id=element></div> |
| </main> |
| <script> |
| promise_test(async (t) => { |
| await runAndWaitForFrameUpdate(() => { |
| top_scroller.scrollTop = 20; |
| top_scroller.scrollLeft = 40; |
| bottom_scroller.scrollTop = 20; |
| bottom_scroller.scrollLeft = 40; |
| left_scroller.scrollTop = 60; |
| left_scroller.scrollLeft = 80; |
| right_scroller.scrollTop = 60; |
| right_scroller.scrollLeft = 80; |
| }); |
| assert_equals(getComputedStyle(element).top, '120px'); |
| assert_equals(getComputedStyle(element).bottom, '140px'); |
| assert_equals(getComputedStyle(element).left, '160px'); |
| assert_equals(getComputedStyle(element).right, '180px'); |
| }, 'animation-timeline works with multiple timelines'); |
| </script> |
