| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <title>Merge timeline offset keyframes</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/web-animations/testcommon.js"></script> |
| <script src="support/testcommon.js"></script> |
| <script src="/web-animations/resources/keyframe-utils.js"></script> |
| </head> |
| <style> |
| @keyframes anim-1 { |
| entry 0% { opacity: 0 } |
| entry 100% { opacity: 1 } |
| contain 0% { opacity: 0.8 } |
| entry 100% { opacity: 0.5 } |
| } |
| @keyframes anim-2 { |
| entry 0% { opacity: 0 } |
| entry 100% { opacity: 1 } |
| contain 0% { opacity: 0.8 } |
| entry 100% { opacity: 0.5; animation-timing-function: ease } |
| } |
| |
| #scroller { |
| border: 10px solid lightgray; |
| overflow-y: scroll; |
| overflow-x: hidden; |
| width: 300px; |
| height: 200px; |
| } |
| #target { |
| margin-bottom: 800px; |
| margin-top: 800px; |
| margin-left: 10px; |
| margin-right: 10px; |
| width: 100px; |
| height: 100px; |
| z-index: -1; |
| background-color: green; |
| animation-duration: auto; |
| animation-fill-mode: both; |
| animation-timing-function: linear; |
| view-timeline: target; |
| animation-timeline: target; |
| } |
| #target.anim-1 { |
| animation-name: anim-1; |
| } |
| #target.anim-2 { |
| animation-name: anim-2; |
| } |
| </style> |
| <body> |
| <div id="scroller"> |
| <div id="target"></div> |
| </div> |
| </body> |
| <script> |
| async function runTests() { |
| promise_test(async t => { |
| target.classList.add('anim-1'); |
| const anim = target.getAnimations()[0]; |
| await anim.ready; |
| t.add_cleanup(() => { |
| target.classList.remove('anim-1'); |
| }); |
| const keyframes = anim.effect.getKeyframes(); |
| const expected = [ |
| { |
| offset: 1, easing: "linear", composite: "replace", opacity: "1", |
| computedOffset: 1 |
| }, |
| { |
| offset: { rangeName: "entry", offset: CSS.percent(0) }, |
| easing: "linear", composite: "auto", opacity: "0", |
| computedOffset: 0 |
| }, |
| { |
| offset: { rangeName: "contain", offset: CSS.percent(0) }, |
| easing: "linear", composite: "auto", opacity: "0.8", |
| computedOffset: 1/3 |
| }, |
| { |
| offset: { rangeName: "entry", offset: CSS.percent(100) }, |
| easing: "linear", composite: "auto", opacity: "0.5", |
| computedOffset : 1/3 |
| }]; |
| assert_frame_lists_equal(keyframes, expected); |
| }, 'Keyframes with same easing and timeline offset are merged.'); |
| |
| promise_test(async t => { |
| target.classList.add('anim-2'); |
| const anim = target.getAnimations()[0]; |
| await anim.ready; |
| |
| t.add_cleanup(() => { |
| target.classList.remove('anim-2'); |
| }); |
| |
| const keyframes = anim.effect.getKeyframes(); |
| const expected = [ |
| { |
| offset: 1, easing: "linear", composite: "replace", opacity: "1", |
| computedOffset: 1 |
| }, |
| { |
| offset: { rangeName: "entry", offset: CSS.percent(0) }, |
| easing: "linear", composite: "auto", opacity: "0", |
| computedOffset: 0 |
| }, |
| { |
| offset: { rangeName: "entry", offset: CSS.percent(100) }, |
| easing: "linear", composite: "auto", opacity: "1", |
| computedOffset: 1/3 |
| }, |
| { |
| offset: { rangeName: "contain", offset: CSS.percent(0) }, |
| easing: "linear", composite: "auto", opacity: "0.8", |
| computedOffset: 1/3 |
| }, |
| { |
| offset: { rangeName: "entry", offset: CSS.percent(100) }, |
| easing: "ease", composite: "auto", opacity: "0.5", |
| computedOffset : 1/3 |
| }]; |
| assert_frame_lists_equal(keyframes, expected); |
| }, 'Keyframes with same timeline offset but different easing function ' + |
| 'are not merged.'); |
| } |
| |
| window.onload = runTests(); |
| </script> |
| </html> |