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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/37577">37577</a></dd>
<dt>Author</dt> <dd>hyatt@apple.com</dd>
<dt>Date</dt> <dd>2008-10-13 23:12:14 -0700 (Mon, 13 Oct 2008)</dd>
</dl>

<h3>Log Message</h3>
<pre>2008-10-13  David Hyatt  &lt;hyatt@apple.com&gt;

        Fix over-invalidation of native scrollbars.

        Reviewed by Oliver Hunt

        * platform/Scrollbar.h:
        (WebCore::Scrollbar::styleChanged):
        * platform/mac/ScrollbarThemeMac.mm:
        (+[ScrollbarPrefsObserver appearancePrefsChanged:]):
        * rendering/RenderScrollbar.cpp:
        (WebCore::RenderScrollbar::styleChanged):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkWebCoreChangeLog">trunk/WebCore/ChangeLog</a></li>
<li><a href="#trunkWebCoreplatformScrollbarh">trunk/WebCore/platform/Scrollbar.h</a></li>
<li><a href="#trunkWebCoreplatformmacScrollbarThemeMacmm">trunk/WebCore/platform/mac/ScrollbarThemeMac.mm</a></li>
<li><a href="#trunkWebCorerenderingRenderScrollbarcpp">trunk/WebCore/rendering/RenderScrollbar.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/ChangeLog (37576 => 37577)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/ChangeLog        2008-10-14 05:29:39 UTC (rev 37576)
+++ trunk/WebCore/ChangeLog        2008-10-14 06:12:14 UTC (rev 37577)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2008-10-13  David Hyatt  &lt;hyatt@apple.com&gt;
+
+        Fix over-invalidation of native scrollbars.
+
+        Reviewed by Oliver Hunt
+
+        * platform/Scrollbar.h:
+        (WebCore::Scrollbar::styleChanged):
+        * platform/mac/ScrollbarThemeMac.mm:
+        (+[ScrollbarPrefsObserver appearancePrefsChanged:]):
+        * rendering/RenderScrollbar.cpp:
+        (WebCore::RenderScrollbar::styleChanged):
+
</ins><span class="cx"> 2008-10-13  Alp Toker  &lt;alp@nuanti.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Fix autotools dist build target by listing recently added header
</span></span></pre></div>
<a id="trunkWebCoreplatformScrollbarh"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/platform/Scrollbar.h (37576 => 37577)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/platform/Scrollbar.h        2008-10-14 05:29:39 UTC (rev 37576)
+++ trunk/WebCore/platform/Scrollbar.h        2008-10-14 06:12:14 UTC (rev 37577)
</span><span class="lines">@@ -124,7 +124,7 @@
</span><span class="cx">     bool suppressInvalidation() const { return m_suppressInvalidation; }
</span><span class="cx">     void setSuppressInvalidation(bool s) { m_suppressInvalidation = s; }
</span><span class="cx"> 
</span><del>-    virtual void styleChanged() { invalidate(); }
</del><ins>+    virtual void styleChanged() { }
</ins><span class="cx"> 
</span><span class="cx"> protected:
</span><span class="cx">     virtual void updateThumbPosition();
</span></span></pre></div>
<a id="trunkWebCoreplatformmacScrollbarThemeMacmm"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/platform/mac/ScrollbarThemeMac.mm (37576 => 37577)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/platform/mac/ScrollbarThemeMac.mm        2008-10-14 05:29:39 UTC (rev 37576)
+++ trunk/WebCore/platform/mac/ScrollbarThemeMac.mm        2008-10-14 06:12:14 UTC (rev 37577)
</span><span class="lines">@@ -63,8 +63,10 @@
</span><span class="cx">     if (!gScrollbars)
</span><span class="cx">         return;
</span><span class="cx">     HashSet&lt;Scrollbar*&gt;::iterator end = gScrollbars-&gt;end();
</span><del>-    for (HashSet&lt;Scrollbar*&gt;::iterator it = gScrollbars-&gt;begin(); it != end; ++it)
</del><ins>+    for (HashSet&lt;Scrollbar*&gt;::iterator it = gScrollbars-&gt;begin(); it != end; ++it) {
</ins><span class="cx">         (*it)-&gt;styleChanged();
</span><ins>+        (*it)-&gt;invalidate();
+    }
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> + (void)behaviorPrefsChanged:(NSNotification*)theNotification
</span></span></pre></div>
<a id="trunkWebCorerenderingRenderScrollbarcpp"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/rendering/RenderScrollbar.cpp (37576 => 37577)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/rendering/RenderScrollbar.cpp        2008-10-14 05:29:39 UTC (rev 37576)
+++ trunk/WebCore/rendering/RenderScrollbar.cpp        2008-10-14 06:12:14 UTC (rev 37577)
</span><span class="lines">@@ -66,7 +66,6 @@
</span><span class="cx"> void RenderScrollbar::styleChanged()
</span><span class="cx"> {
</span><span class="cx">     updateScrollbarParts();
</span><del>-    Scrollbar::styleChanged();
</del><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void RenderScrollbar::paint(GraphicsContext* context, const IntRect&amp; damageRect)
</span></span></pre>
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