<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>238931</bug_id>
          
          <creation_ts>2022-04-07 06:42:23 -0700</creation_ts>
          <short_desc>[web-animations] REGRESSION (r287881): loading performance for diply.com regressed</short_desc>
          <delta_ts>2022-04-07 13:33:46 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>Animations</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Antoine Quint">graouts</reporter>
          <assigned_to name="Antoine Quint">graouts</assigned_to>
          <cc>dino</cc>
    
    <cc>graouts</cc>
    
    <cc>nham</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1859229</commentid>
    <comment_count>0</comment_count>
    <who name="Antoine Quint">graouts</who>
    <bug_when>2022-04-07 06:42:23 -0700</bug_when>
    <thetext>[web-animations] REGRESSION (r287881): loading performance for diply.com regressed</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1859230</commentid>
    <comment_count>1</comment_count>
      <attachid>456918</attachid>
    <who name="Antoine Quint">graouts</who>
    <bug_when>2022-04-07 06:43:47 -0700</bug_when>
    <thetext>Created attachment 456918
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1859231</commentid>
    <comment_count>2</comment_count>
    <who name="Antoine Quint">graouts</who>
    <bug_when>2022-04-07 06:43:53 -0700</bug_when>
    <thetext>&lt;rdar://problem/91190007&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1859290</commentid>
    <comment_count>3</comment_count>
      <attachid>456918</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2022-04-07 09:42:16 -0700</bug_when>
    <thetext>Comment on attachment 456918
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=456918&amp;action=review

&gt; Source/WebCore/style/Styleable.cpp:451
&gt; +    auto effectTargetsProperty = [&amp;](KeyframeEffect&amp; effect) {
&gt; +        if (effect.animatedProperties().contains(property))
&gt; +            return true;
&gt; +        if (auto* transition = dynamicDowncast&lt;CSSTransition&gt;(effect.animation()))
&gt; +            return transition-&gt;property() == property;
&gt; +        return false;
&gt; +    };

Might be cleaner to pass `property` in and remove default capture.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1859317</commentid>
    <comment_count>4</comment_count>
    <who name="Antoine Quint">graouts</who>
    <bug_when>2022-04-07 10:45:45 -0700</bug_when>
    <thetext>(In reply to Simon Fraser (smfr) from comment #3)
&gt; Comment on attachment 456918 [details]
&gt; Patch
&gt; 
&gt; View in context:
&gt; https://bugs.webkit.org/attachment.cgi?id=456918&amp;action=review
&gt; 
&gt; &gt; Source/WebCore/style/Styleable.cpp:451
&gt; &gt; +    auto effectTargetsProperty = [&amp;](KeyframeEffect&amp; effect) {
&gt; &gt; +        if (effect.animatedProperties().contains(property))
&gt; &gt; +            return true;
&gt; &gt; +        if (auto* transition = dynamicDowncast&lt;CSSTransition&gt;(effect.animation()))
&gt; &gt; +            return transition-&gt;property() == property;
&gt; &gt; +        return false;
&gt; &gt; +    };
&gt; 
&gt; Might be cleaner to pass `property` in and remove default capture.

Had the same thought as I was writing but was too lazy! Will fix in the commit.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1859328</commentid>
    <comment_count>5</comment_count>
      <attachid>456943</attachid>
    <who name="Antoine Quint">graouts</who>
    <bug_when>2022-04-07 10:54:43 -0700</bug_when>
    <thetext>Created attachment 456943
Patch for landing</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1859419</commentid>
    <comment_count>6</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2022-04-07 13:33:43 -0700</bug_when>
    <thetext>Committed r292561 (249399@main): &lt;https://commits.webkit.org/249399@main&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 456943.</thetext>
  </long_desc>
      
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            <delta_ts>2022-04-07 10:54:39 -0700</delta_ts>
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            <date>2022-04-07 10:54:43 -0700</date>
            <delta_ts>2022-04-07 13:33:44 -0700</delta_ts>
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