| <!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> |
| #scrollers { |
| overflow: hidden; |
| height: 0px; |
| } |
| #scrollers > div { |
| overflow: scroll; |
| width: 100px; |
| height: 100px; |
| } |
| #scrollers > div > div { |
| height: 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; } |
| } |
| |
| @scroll-timeline top_timeline { |
| source: selector(#scroller1); |
| start: 0px; |
| end: 100px; |
| } |
| @scroll-timeline bottom_timeline { |
| source: selector(#scroller1); |
| start: 0px; |
| end: 80px; |
| } |
| @scroll-timeline left_timeline { |
| source: selector(#scroller2); |
| start: 0px; |
| end: 100px; |
| } |
| @scroll-timeline right_timeline { |
| source: selector(#scroller2); |
| start: 20px; |
| end: 60px; |
| } |
| |
| #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> |
| <div id=scrollers> |
| <div id=scroller1><div></div></div> |
| <div id=scroller2><div></div></div> |
| </div> |
| <div id=element></div> |
| <script> |
| // Force layout of scrollers. |
| scroller1.offsetTop; |
| scroller2.offsetTop; |
| |
| scroller1.scrollTop = 20; |
| scroller2.scrollTop = 40; |
| |
| promise_test(async (t) => { |
| await waitForNextFrame(); |
| assert_equals(getComputedStyle(element).top, '120px'); |
| assert_equals(getComputedStyle(element).bottom, '125px'); |
| assert_equals(getComputedStyle(element).left, '140px'); |
| assert_equals(getComputedStyle(element).right, '150px'); |
| }, 'animation-timeline works with multiple timelines'); |
| |
| </script> |
