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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/168513">168513</a></dd>
<dt>Author</dt> <dd>simon.fraser@apple.com</dd>
<dt>Date</dt> <dd>2014-05-08 18:08:30 -0700 (Thu, 08 May 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>[iOS WK2] Bottom-relative position:fixed elements are misplaced on page load
https://bugs.webkit.org/show_bug.cgi?id=132719
&lt;rdar://problem/16860837&gt;

Reviewed by Benjamin Poulain.

Source/WebCore:

Add a couple of functions, and sort.

* WebCore.exp.in:

Source/WebKit2:

If we haven't received visible rects from the web process, compute the
fixed position rect, but only after scale has been set.

* WebProcess/WebPage/ios/WebPageIOS.mm:
(WebKit::WebPage::viewportConfigurationChanged):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreWebCoreexpin">trunk/Source/WebCore/WebCore.exp.in</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm">trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (168512 => 168513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-05-09 01:06:28 UTC (rev 168512)
+++ trunk/Source/WebCore/ChangeLog        2014-05-09 01:08:30 UTC (rev 168513)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2014-05-08  Simon Fraser  &lt;simon.fraser@apple.com&gt;
+
+        [iOS WK2] Bottom-relative position:fixed elements are misplaced on page load
+        https://bugs.webkit.org/show_bug.cgi?id=132719
+        &lt;rdar://problem/16860837&gt;
+
+        Reviewed by Benjamin Poulain.
+
+        Add a couple of functions, and sort.
+
+        * WebCore.exp.in:
+
</ins><span class="cx"> 2014-05-08  Jer Noble  &lt;jer.noble@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [Mac, iOS] Add source application accounting to AVURLAsset.
</span></span></pre></div>
<a id="trunkSourceWebCoreWebCoreexpin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/WebCore.exp.in (168512 => 168513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/WebCore.exp.in        2014-05-09 01:06:28 UTC (rev 168512)
+++ trunk/Source/WebCore/WebCore.exp.in        2014-05-09 01:08:30 UTC (rev 168513)
</span><span class="lines">@@ -717,6 +717,7 @@
</span><span class="cx"> __ZN7WebCore16createFullMarkupERKNS_4NodeE
</span><span class="cx"> __ZN7WebCore16createFullMarkupERKNS_5RangeE
</span><span class="cx"> __ZN7WebCore16enclosingIntRectERK6CGRect
</span><ins>+__ZN7WebCore16enclosingIntRectERKNS_10LayoutRectE
</ins><span class="cx"> __ZN7WebCore16enclosingIntRectERKNS_9FloatRectE
</span><span class="cx"> __ZN7WebCore16isEndOfParagraphERKNS_15VisiblePositionENS_27EditingBoundaryCrossingRuleE
</span><span class="cx"> __ZN7WebCore16isUserVisibleURLEP8NSString
</span><span class="lines">@@ -2297,9 +2298,9 @@
</span><span class="cx"> _wkDrawBezeledTextArea
</span><span class="cx"> _wkDrawBezeledTextFieldCell
</span><span class="cx"> _wkDrawCapsLockIndicator
</span><ins>+_wkDrawCellFocusRingWithFrameAtTime
</ins><span class="cx"> _wkDrawFocusRing
</span><span class="cx"> _wkDrawFocusRingAtTime
</span><del>-_wkDrawCellFocusRingWithFrameAtTime
</del><span class="cx"> _wkDrawMediaSliderTrack
</span><span class="cx"> _wkDrawMediaUIPart
</span><span class="cx"> _wkDrawTextFieldCellFocusRing
</span><span class="lines">@@ -2716,6 +2717,7 @@
</span><span class="cx"> __ZNK7WebCore9FloatRectcv6CGRectEv
</span><span class="cx"> __ZNK7WebCore9FloatSizecv6CGSizeEv
</span><span class="cx"> __ZNK7WebCore9FrameView17wasScrolledByUserEv
</span><ins>+__ZNK7WebCore9FrameView30viewportConstrainedObjectsRectEv
</ins><span class="cx"> __ZNK7WebCore9RenderBox11borderRadiiEv
</span><span class="cx"> _webThreadShouldYield
</span><span class="cx"> _wkExecutableWasLinkedOnOrAfterIOSVersion
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (168512 => 168513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-05-09 01:06:28 UTC (rev 168512)
+++ trunk/Source/WebKit2/ChangeLog        2014-05-09 01:08:30 UTC (rev 168513)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2014-05-08  Simon Fraser  &lt;simon.fraser@apple.com&gt;
+
+        [iOS WK2] Bottom-relative position:fixed elements are misplaced on page load
+        https://bugs.webkit.org/show_bug.cgi?id=132719
+        &lt;rdar://problem/16860837&gt;
+
+        Reviewed by Benjamin Poulain.
+        
+        If we haven't received visible rects from the web process, compute the
+        fixed position rect, but only after scale has been set.
+
+        * WebProcess/WebPage/ios/WebPageIOS.mm:
+        (WebKit::WebPage::viewportConfigurationChanged):
+
</ins><span class="cx"> 2014-05-08  Jer Noble  &lt;jer.noble@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [Mac, iOS] Add source application accounting to AVURLAsset.
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageiosWebPageIOSmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm (168512 => 168513)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2014-05-09 01:06:28 UTC (rev 168512)
+++ trunk/Source/WebKit2/WebProcess/WebPage/ios/WebPageIOS.mm        2014-05-09 01:08:30 UTC (rev 168513)
</span><span class="lines">@@ -2087,6 +2087,11 @@
</span><span class="cx">         m_drawingArea-&gt;setExposedContentRect(unobscuredContentRect);
</span><span class="cx">     }
</span><span class="cx">     scalePage(scale, scrollPosition);
</span><ins>+    
+    if (!m_hasReceivedVisibleContentRectsAfterDidCommitLoad) {
+        // This takes scale into account, so do after the scale change.
+        frameView.setCustomFixedPositionLayoutRect(enclosingIntRect(frameView.viewportConstrainedObjectsRect()));
+    }
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void WebPage::applicationWillResignActive()
</span></span></pre>
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