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<title>[175765] trunk/Source/WebCore</title>
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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/175765">175765</a></dd>
<dt>Author</dt> <dd>akling@apple.com</dd>
<dt>Date</dt> <dd>2014-11-07 15:10:17 -0800 (Fri, 07 Nov 2014)</dd>
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<h3>Log Message</h3>
<pre>[Mac] Avoid repainting scrollbar track when the scrollbar track is transparent.
<https://webkit.org/b/138521>
<rdar://problem/18892090>
Reviewed by Simon Fraser.
Don't bother invalidating the entire WebCore scrollbar when we've opted into
AppKit's special mode to use individual layers for scrollbar components.
NSScrollerImp will invalidate what's necessary below e.g setKnobAlpha.
* platform/mac/ScrollAnimatorMac.mm:
(-[WebScrollbarPartAnimation setCurrentProgress:]):</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreplatformmacScrollAnimatorMacmm">trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (175764 => 175765)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2014-11-07 22:14:50 UTC (rev 175764)
+++ trunk/Source/WebCore/ChangeLog 2014-11-07 23:10:17 UTC (rev 175765)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2014-11-07 Andreas Kling <akling@apple.com>
+
+ [Mac] Avoid repainting scrollbar track when the scrollbar track is transparent.
+ <https://webkit.org/b/138521>
+ <rdar://problem/18892090>
+
+ Reviewed by Simon Fraser.
+
+ Don't bother invalidating the entire WebCore scrollbar when we've opted into
+ AppKit's special mode to use individual layers for scrollbar components.
+ NSScrollerImp will invalidate what's necessary below e.g setKnobAlpha.
+
+ * platform/mac/ScrollAnimatorMac.mm:
+ (-[WebScrollbarPartAnimation setCurrentProgress:]):
+
</ins><span class="cx"> 2014-11-07 Chris Dumez <cdumez@apple.com>
</span><span class="cx">
</span><span class="cx"> Rename HTMLInputElement::imageLoader() to ensureImageLoader()
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformmacScrollAnimatorMacmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm (175764 => 175765)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm 2014-11-07 22:14:50 UTC (rev 175764)
+++ trunk/Source/WebCore/platform/mac/ScrollAnimatorMac.mm 2014-11-07 23:10:17 UTC (rev 175765)
</span><span class="lines">@@ -366,7 +366,8 @@
</span><span class="cx"> break;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- _scrollbar->invalidate();
</del><ins>+ if (!_scrollbar->supportsUpdateOnSecondaryThread())
+ _scrollbar->invalidate();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> - (void)invalidate
</span></span></pre>
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