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<!doctype html>
<meta charset=utf-8>
<title>CSS Animations and Web Animations on view transition pseudos</title>
<link rel="help" href="https://drafts.csswg.org/css-animations-1/">
<link rel="help" href="https://drafts.csswg.org/web-animations-1/#dom-animatable-animate">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../css-animations/support/testcommon.js"></script>
<style>
/* Override UA stylesheet to avoid any impact on our tests */
:root {
view-transition-name: none;
}
:root::view-transition,
:root::view-transition-group(*),
:root::view-transition-image-pair(*),
:root::view-transition-old(*),
:root::view-transition-new(*) {
animation: unset;
}
@keyframes css-anim {
from { margin-left: 100px; }
to { margin-left: 100px; }
}
</style>
<div id="log"></div>
<script>
"use strict";
promise_test(async t => {
document.documentElement.style.viewTransitionName = "test";
const ruleText =
":root::view-transition, :root::view-transition-group(test) {" +
" animation: css-anim 10s;"
"}";
const index = document.styleSheets[0].cssRules.length;
document.styleSheets[0].insertRule(ruleText, index);
let viewTransition = document.startViewTransition(() => {});
await viewTransition.ready;
let anims = document.documentElement.getAnimations({ subtree: true });
assert_equals(anims.length, 2, "Has 2 CSS Animations.");
let style = getComputedStyle(document.documentElement,
"::view-transition-group(test)");
assert_equals(style.marginLeft, "100px");
viewTransition.skipTransition();
document.styleSheets[0].deleteRule(index);
document.documentElement.style.viewTransitionName = "none";
}, "The specified CSS Animations work on view transition pseudos.");
promise_test(async t => {
document.documentElement.style.viewTransitionName = "test";
const ruleText =
":root::view-transition, :root::view-transition-group(test) {" +
"animation: css-anim 10s;"
"}";
const index = document.styleSheets[0].cssRules.length;
document.styleSheets[0].insertRule(ruleText, index);
let viewTransition = document.startViewTransition(() => {});
await viewTransition.ready;
let anim1 = document.documentElement.animate(
{ opacity: [0.5, 0.5] },
{ duration: 10000, pseudoElement: '::view-transition-group(test)' }
);
await anim1.ready;
let kf = new KeyframeEffect(
document.documentElement,
{ translate: ["200px", "200px"] },
{ duration: 10000, pseudoElement: '::view-transition-old(test)' }
);
let anim2 = new Animation(kf, document.timeline);
anim2.play();
await anim2.ready;
let anims = document.documentElement.getAnimations({ subtree: true });
assert_equals(anims.length, 4,
"Has 2 CSS Animations and 2 script animations.");
let style = getComputedStyle(document.documentElement,
"::view-transition-group(test)");
assert_equals(style.marginLeft, "100px");
assert_equals(style.opacity, "0.5");
assert_equals(
getComputedStyle(document.documentElement,
"::view-transition-old(test)").translate,
"200px"
);
anim1.finish();
anim2.finish();
viewTransition.skipTransition();
document.styleSheets[0].deleteRule(index);
document.documentElement.style.viewTransitionName = "none";
}, "The specified CSS Animations and script animations work on view "+
"transition pseudos");
promise_test(async t => {
document.documentElement.style.viewTransitionName = "test";
let ruleText =
":root::view-transition, " +
":root::view-transition-group(test), " +
":root::view-transition-image-pair(test) {" +
" animation: css-anim 10s;"
"}";
const index = document.styleSheets[0].cssRules.length;
document.styleSheets[0].insertRule(ruleText, index);
let viewTransition = document.startViewTransition(() => {});
await viewTransition.ready;
let anims = document.documentElement.getAnimations({ subtree: true });
assert_equals(anims.length, 3, "Has 3 CSS Animations.");
// Make the pseudo-element display:none.
ruleText = ":root::view-transition-image-pair(test) { display: none; }";
document.styleSheets[0].insertRule(ruleText, index + 1);
anims = document.documentElement.getAnimations({ subtree: true });
assert_equals(anims.length, 2, "One CSS Animation was removed.");
// Destroy all frames.
document.documentElement.style.display = "none";
anims = document.documentElement.getAnimations({ subtree: true });
assert_equals(anims.length, 0, "All CSS Animation were removed.");
viewTransition.skipTransition();
document.styleSheets[0].deleteRule(index + 1);
document.styleSheets[0].deleteRule(index);
document.documentElement.style.viewTransitionName = "none";
document.documentElement.style.display = "inline";
}, "The specified CSS Animations are removed if setting display:none.");
</script>
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