<?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>112319</bug_id>
          
          <creation_ts>2013-03-13 21:10:00 -0700</creation_ts>
          <short_desc>Cannot select a canvas element at the beginning or the end of a document</short_desc>
          <delta_ts>2013-06-20 20:19:02 -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>HTML Editing</component>
          <version>528+ (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>
          
          <blocked>117860</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Ryosuke Niwa">rniwa</reporter>
          <assigned_to name="Ryosuke Niwa">rniwa</assigned_to>
          <cc>ap</cc>
    
    <cc>darin</cc>
    
    <cc>enrica</cc>
    
    <cc>eric</cc>
    
    <cc>esprehn+autocc</cc>
    
    <cc>junov</cc>
    
    <cc>leviw</cc>
    
    <cc>morrita</cc>
    
    <cc>ojan.autocc</cc>
    
    <cc>ojan</cc>
    
    <cc>senorblanco</cc>
    
    <cc>webkit-bug-importer</cc>
    
    <cc>webkit.review.bot</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>854924</commentid>
    <comment_count>0</comment_count>
      <attachid>193057</attachid>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2013-03-13 21:10:00 -0700</bug_when>
    <thetext>Created attachment 193057
Demo

With the following markup, you can select the second canvas but not the first or the third canvas elements.
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;body&gt;
&lt;canvas width=&quot;100&quot; height=&quot;100&quot; style=&quot;border: 1px solid black&quot;&gt;&lt;/canvas&gt;
some text
&lt;canvas width=&quot;100&quot; height=&quot;100&quot; style=&quot;border: 1px solid black&quot;&gt;&lt;/canvas&gt;
some more text
&lt;canvas width=&quot;100&quot; height=&quot;100&quot; style=&quot;border: 1px solid black&quot;&gt;&lt;/canvas&gt;
&lt;/body&gt;
&lt;/html&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>854936</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2013-03-13 21:30:55 -0700</bug_when>
    <thetext>&lt;rdar://problem/13417656&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>854995</commentid>
    <comment_count>2</comment_count>
      <attachid>193075</attachid>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2013-03-13 23:41:26 -0700</bug_when>
    <thetext>Created attachment 193075
Fixes the bug</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>855001</commentid>
    <comment_count>3</comment_count>
      <attachid>193075</attachid>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2013-03-13 23:52:05 -0700</bug_when>
    <thetext>Comment on attachment 193075
Fixes the bug

OK.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>855006</commentid>
    <comment_count>4</comment_count>
    <who name="Ryosuke Niwa">rniwa</who>
    <bug_when>2013-03-13 23:54:38 -0700</bug_when>
    <thetext>Committed r145788: &lt;http://trac.webkit.org/changeset/145788&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>895938</commentid>
    <comment_count>5</comment_count>
    <who name="Justin Novosad">junov</who>
    <bug_when>2013-05-31 10:56:45 -0700</bug_when>
    <thetext>(In reply to comment #4)
&gt; Committed r145788: &lt;http://trac.webkit.org/changeset/145788&gt;

Just so you know, this patch caused a regression: https://code.google.com/p/chromium/issues/detail?id=244289
We are likely to revert it in Blink, and look for an alternate solution.

Cheers!</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>897411</commentid>
    <comment_count>6</comment_count>
    <who name="Stephen White">senorblanco</who>
    <bug_when>2013-06-05 07:33:47 -0700</bug_when>
    <thetext>FYI: this seems to break mouse up event handling on many canvas sites. See: https://code.google.com/p/chromium/issues/detail?id=244289.

rniwa: was there a follow-up patch that fixed this issue?</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
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              isprivate="0"
          >
            <attachid>193057</attachid>
            <date>2013-03-13 21:10:00 -0700</date>
            <delta_ts>2013-03-13 21:10:00 -0700</delta_ts>
            <desc>Demo</desc>
            <filename>canvas-select.html</filename>
            <type>text/html</type>
            <size>296</size>
            <attacher name="Ryosuke Niwa">rniwa</attacher>
            
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          <attachment
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            <attachid>193075</attachid>
            <date>2013-03-13 23:41:26 -0700</date>
            <delta_ts>2013-03-13 23:52:04 -0700</delta_ts>
            <desc>Fixes the bug</desc>
            <filename>bug-112319-20130313233724.patch</filename>
            <type>text/plain</type>
            <size>4995</size>
            <attacher name="Ryosuke Niwa">rniwa</attacher>
            
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          type_id="1"
          status="+"
          setter="eric"
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    </bug>

</bugzilla>