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Bug 1869928 - Only sync throbber animations for tabs that are animating. r=mconley,tabbrowser-reviewers

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Differential Revision: https://phabricator.services.mozilla.com/D196537
This commit is contained in:
Sam Foster 2024-01-11 21:36:11 +00:00
parent fdbb6481dd
commit 0a81f31cdf
1 changed files with 2 additions and 1 deletions
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3
browser/base/content/tabbrowser.js
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@ -784,11 +784,12 @@
const animations = Array.from( const animations = Array.from(
aTab.container.getElementsByTagName("tab") aTab.container.getElementsByTagName("tab")
) )
.filter(tab => tab.hasAttribute("busy"))
.map(tab => { .map(tab => {
const throbber = tab.throbber; const throbber = tab.throbber;
return throbber ? throbber.getAnimations({ subtree: true }) : []; return throbber ? throbber.getAnimations({ subtree: true }) : [];
}) })
.reduce((a, b) => a.concat(b)) .reduce((a, b) => a.concat(b), [])
.filter( .filter(
anim => anim =>
CSSAnimation.isInstance(anim) && CSSAnimation.isInstance(anim) &&