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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>62685</bug_id>
          
          <creation_ts>2011-06-14 17:52:21 -0700</creation_ts>
          <short_desc>REGRESSION(r88757): [Chromium] Vertical position of media slider thumb is wrong.</short_desc>
          <delta_ts>2011-06-14 20:41:38 -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>528+ (Nightly build)</version>
          <rep_platform>Other</rep_platform>
          <op_sys>All</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P1</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          <dependson>52920</dependson>
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Kent Tamura">tkent</reporter>
          <assigned_to name="Kent Tamura">tkent</assigned_to>
          <cc>dglazkov</cc>
    
    <cc>morrita</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>420903</commentid>
    <comment_count>0</comment_count>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2011-06-14 17:52:21 -0700</bug_when>
    <thetext>If the height of the &lt;input&gt; is smaller than the height of the thumb, we should center the thumb position vertically.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>420961</commentid>
    <comment_count>1</comment_count>
      <attachid>97220</attachid>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2011-06-14 19:14:17 -0700</bug_when>
    <thetext>Created attachment 97220
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>420962</commentid>
    <comment_count>2</comment_count>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2011-06-14 19:14:55 -0700</bug_when>
    <thetext>(In reply to comment #1)
&gt; Created an attachment (id=97220) [details]
&gt; Patch

This will fix 12 tests listed in test_expectations.txt.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>420976</commentid>
    <comment_count>3</comment_count>
      <attachid>97220</attachid>
    <who name="Hajime Morrita">morrita</who>
    <bug_when>2011-06-14 20:09:44 -0700</bug_when>
    <thetext>Comment on attachment 97220
Patch

r=me.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>420979</commentid>
    <comment_count>4</comment_count>
      <attachid>97220</attachid>
    <who name="Dimitri Glazkov (Google)">dglazkov</who>
    <bug_when>2011-06-14 20:13:46 -0700</bug_when>
    <thetext>Comment on attachment 97220
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=97220&amp;action=review

&gt; Source/WebCore/rendering/RenderSlider.cpp:106
&gt; +        thumbBox-&gt;setY(thumbBox-&gt;y() - (heightDiff / 2) - borderTop());

What about padding, or margins?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>420987</commentid>
    <comment_count>5</comment_count>
      <attachid>97220</attachid>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2011-06-14 20:37:55 -0700</bug_when>
    <thetext>Comment on attachment 97220
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=97220&amp;action=review

&gt;&gt; Source/WebCore/rendering/RenderSlider.cpp:106
&gt;&gt; +        thumbBox-&gt;setY(thumbBox-&gt;y() - (heightDiff / 2) - borderTop());
&gt; 
&gt; What about padding, or margins?

Oh, it&apos;s a good point.
We should take account of padding, and margin is ignorable.
Well, I have just realized we&apos;d like to center the thumb for the *content* of the &lt;input&gt;, not the border-box. So,

    int heightDiff = thumbBox-&gt;height() - contentHeight();
    if (heightDiff &gt; 0)
        thumbBox-&gt;setY(thumbBox-&gt;y() - (heightDiff / 2));

is the correct code.  I&apos;ll land the patch with this fix.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>420988</commentid>
    <comment_count>6</comment_count>
    <who name="Kent Tamura">tkent</who>
    <bug_when>2011-06-14 20:41:38 -0700</bug_when>
    <thetext>Committed r88901: &lt;http://trac.webkit.org/changeset/88901&gt;</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
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            <attachid>97220</attachid>
            <date>2011-06-14 19:14:17 -0700</date>
            <delta_ts>2011-06-14 20:37:55 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-62685-20110615111415.patch</filename>
            <type>text/plain</type>
            <size>2315</size>
            <attacher name="Kent Tamura">tkent</attacher>
            
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    </bug>

</bugzilla>