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<!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>213162</bug_id>
          
          <creation_ts>2020-06-12 20:50:09 -0700</creation_ts>
          <short_desc>[LFC][Floats] Floating positioned box is always a float avoider.</short_desc>
          <delta_ts>2020-06-13 17:40:17 -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>Layout and Rendering</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="alan">zalan</reporter>
          <assigned_to name="alan">zalan</assigned_to>
          <cc>bfulgham</cc>
    
    <cc>darin</cc>
    
    <cc>koivisto</cc>
    
    <cc>simon.fraser</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>zalan</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1662319</commentid>
    <comment_count>0</comment_count>
    <who name="alan">zalan</who>
    <bug_when>2020-06-12 20:50:09 -0700</bug_when>
    <thetext>it avoids other floats.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1662328</commentid>
    <comment_count>1</comment_count>
      <attachid>401825</attachid>
    <who name="alan">zalan</who>
    <bug_when>2020-06-12 21:52:58 -0700</bug_when>
    <thetext>Created attachment 401825
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1662433</commentid>
    <comment_count>2</comment_count>
      <attachid>401825</attachid>
    <who name="Darin Adler">darin</who>
    <bug_when>2020-06-13 14:38:20 -0700</bug_when>
    <thetext>Comment on attachment 401825
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=401825&amp;action=review

&gt; Source/WebCore/layout/layouttree/LayoutBox.cpp:180
&gt; +    if (isFloatingPositioned() || hasFloatClear())
&gt; +        return true;
&gt; +
&gt; +    return establishesTableFormattingContext() || establishesIndependentFormattingContext() || (establishesBlockFormattingContext() &amp;&amp; !establishesInlineFormattingContext());

Would one long chain of conditions separated by || be more logical and readable than a separate if statement? Or are we making a point by using a separate if?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1662437</commentid>
    <comment_count>3</comment_count>
    <who name="alan">zalan</who>
    <bug_when>2020-06-13 15:20:54 -0700</bug_when>
    <thetext>(In reply to Darin Adler from comment #2)
&gt; Comment on attachment 401825 [details]
&gt; Patch
&gt; 
&gt; View in context:
&gt; https://bugs.webkit.org/attachment.cgi?id=401825&amp;action=review
&gt; 
&gt; &gt; Source/WebCore/layout/layouttree/LayoutBox.cpp:180
&gt; &gt; +    if (isFloatingPositioned() || hasFloatClear())
&gt; &gt; +        return true;
&gt; &gt; +
&gt; &gt; +    return establishesTableFormattingContext() || establishesIndependentFormattingContext() || (establishesBlockFormattingContext() &amp;&amp; !establishesInlineFormattingContext());
&gt; 
&gt; Would one long chain of conditions separated by || be more logical and
&gt; readable than a separate if statement? Or are we making a point by using a
&gt; separate if?
Yes, I was trying to make dedicated explicit/implicit groups here (whether the reason for the float avoiding behavior is some float related styles such as clear or some other seemingly unrelated reasons like table element etc.)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1662444</commentid>
    <comment_count>4</comment_count>
    <who name="EWS">ews-feeder</who>
    <bug_when>2020-06-13 17:39:16 -0700</bug_when>
    <thetext>Committed r263007: &lt;https://trac.webkit.org/changeset/263007&gt;

All reviewed patches have been landed. Closing bug and clearing flags on attachment 401825.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1662445</commentid>
    <comment_count>5</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2020-06-13 17:40:17 -0700</bug_when>
    <thetext>&lt;rdar://problem/64334402&gt;</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>401825</attachid>
            <date>2020-06-12 21:52:58 -0700</date>
            <delta_ts>2020-06-13 17:39:17 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-213162-20200612215257.patch</filename>
            <type>text/plain</type>
            <size>3805</size>
            <attacher name="alan">zalan</attacher>
            
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