<?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>132307</bug_id>
          
          <creation_ts>2014-04-28 15:30:49 -0700</creation_ts>
          <short_desc>[iOS][WK2] Restore the scroll position and scale from the HistoryItem (mostly)</short_desc>
          <delta_ts>2014-07-24 11:50:05 -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>New Bugs</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>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Benjamin Poulain">benjamin</reporter>
          <assigned_to name="Benjamin Poulain">benjamin</assigned_to>
          <cc>simon.fraser</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1004754</commentid>
    <comment_count>0</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-04-28 15:30:49 -0700</bug_when>
    <thetext>[iOS][WK2] Restore the scroll position and scale from the HistoryItem (mostly)</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1004756</commentid>
    <comment_count>1</comment_count>
      <attachid>230328</attachid>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-04-28 15:37:56 -0700</bug_when>
    <thetext>Created attachment 230328
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1004769</commentid>
    <comment_count>2</comment_count>
      <attachid>230328</attachid>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2014-04-28 16:20:16 -0700</bug_when>
    <thetext>Comment on attachment 230328
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=230328&amp;action=review

&gt; Source/WebKit2/WebProcess/WebCoreSupport/ios/WebFrameLoaderClientIOS.mm:90
&gt; +            if (page &amp;&amp; m_frame-&gt;isMainFrame() &amp;&amp; currentItem-&gt;pageScaleFactor())
&gt; +                m_frame-&gt;page()-&gt;restorePageState(currentItem-&gt;pageScaleFactor(), currentItem-&gt;scrollPoint());

Is the currentItem-&gt;pageScaleFactor() test useful, or just trying to catch odd uninitialized cases?

&gt; Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm:144
&gt; +    FrameView&amp; frameView = *m_page-&gt;mainFrame().view();
&gt; +    frameView.setScrollPosition(scrollPosition);

Odd to put FrameView in a local when you only use it once.

&gt; Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm:145
&gt; +    m_userHasChangedPageScaleFactor = true;

Why? Add a comment?</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1004808</commentid>
    <comment_count>3</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-04-28 17:49:26 -0700</bug_when>
    <thetext>(In reply to comment #2)
&gt; (From update of attachment 230328 [details])
&gt; View in context: https://bugs.webkit.org/attachment.cgi?id=230328&amp;action=review
&gt; 
&gt; &gt; Source/WebKit2/WebProcess/WebCoreSupport/ios/WebFrameLoaderClientIOS.mm:90
&gt; &gt; +            if (page &amp;&amp; m_frame-&gt;isMainFrame() &amp;&amp; currentItem-&gt;pageScaleFactor())
&gt; &gt; +                m_frame-&gt;page()-&gt;restorePageState(currentItem-&gt;pageScaleFactor(), currentItem-&gt;scrollPoint());
&gt; 
&gt; Is the currentItem-&gt;pageScaleFactor() test useful, or just trying to catch odd uninitialized cases?

Zero is the default value of HistoryItem.

It is a weird API, I would prefer if HistoryItem would keep a separate state to know if values have been set. Relying on the default pageScaleFactor is odd.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1004815</commentid>
    <comment_count>4</comment_count>
      <attachid>230345</attachid>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-04-28 18:20:27 -0700</bug_when>
    <thetext>Created attachment 230345
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1004821</commentid>
    <comment_count>5</comment_count>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-04-28 18:31:12 -0700</bug_when>
    <thetext>Committed r167916: &lt;http://trac.webkit.org/changeset/167916&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1004824</commentid>
    <comment_count>6</comment_count>
      <attachid>230345</attachid>
    <who name="Benjamin Poulain">benjamin</who>
    <bug_when>2014-04-28 18:31:57 -0700</bug_when>
    <thetext>Comment on attachment 230345
Patch

Uploaded this again by accident.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1024539</commentid>
    <comment_count>7</comment_count>
    <who name="Simon Fraser (smfr)">simon.fraser</who>
    <bug_when>2014-07-24 11:50:05 -0700</bug_when>
    <thetext>&lt;rdar://problem/16031704&gt;</thetext>
  </long_desc>
      
          <attachment
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            <attachid>230328</attachid>
            <date>2014-04-28 15:37:56 -0700</date>
            <delta_ts>2014-04-28 18:20:24 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-132307-20140428153733.patch</filename>
            <type>text/plain</type>
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            <attacher name="Benjamin Poulain">benjamin</attacher>
            
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          </attachment>
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
          >
            <attachid>230345</attachid>
            <date>2014-04-28 18:20:27 -0700</date>
            <delta_ts>2014-04-28 18:31:56 -0700</delta_ts>
            <desc>Patch</desc>
            <filename>bug-132307-20140428182004.patch</filename>
            <type>text/plain</type>
            <size>11965</size>
            <attacher name="Benjamin Poulain">benjamin</attacher>
            
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          </attachment>
      

    </bug>

</bugzilla>