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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/37499">37499</a></dd>
<dt>Author</dt> <dd>hyatt@apple.com</dd>
<dt>Date</dt> <dd>2008-10-10 22:30:39 -0700 (Fri, 10 Oct 2008)</dd>
</dl>

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

        Make sure scrollbar background images cause proper part invalidation to occur.

        Reviewed by Tim Hatcher

        * rendering/RenderScrollbar.cpp:
        (WebCore::RenderScrollbar::setHoveredPart):
        (WebCore::RenderScrollbar::setPressedPart):
        * rendering/RenderScrollbarPart.cpp:
        (WebCore::RenderScrollbarPart::styleDidChange):
        (WebCore::RenderScrollbarPart::imageChanged):
        * rendering/RenderScrollbarPart.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkWebCoreChangeLog">trunk/WebCore/ChangeLog</a></li>
<li><a href="#trunkWebCorerenderingRenderScrollbarcpp">trunk/WebCore/rendering/RenderScrollbar.cpp</a></li>
<li><a href="#trunkWebCorerenderingRenderScrollbarPartcpp">trunk/WebCore/rendering/RenderScrollbarPart.cpp</a></li>
<li><a href="#trunkWebCorerenderingRenderScrollbarParth">trunk/WebCore/rendering/RenderScrollbarPart.h</a></li>
</ul>

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<div id="patch">
<h3>Diff</h3>
<a id="trunkWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/ChangeLog (37498 => 37499)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/ChangeLog        2008-10-11 02:53:03 UTC (rev 37498)
+++ trunk/WebCore/ChangeLog        2008-10-11 05:30:39 UTC (rev 37499)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2008-10-10  David Hyatt  &lt;hyatt@apple.com&gt;
+
+        Make sure scrollbar background images cause proper part invalidation to occur.
+
+        Reviewed by Tim Hatcher
+
+        * rendering/RenderScrollbar.cpp:
+        (WebCore::RenderScrollbar::setHoveredPart):
+        (WebCore::RenderScrollbar::setPressedPart):
+        * rendering/RenderScrollbarPart.cpp:
+        (WebCore::RenderScrollbarPart::styleDidChange):
+        (WebCore::RenderScrollbarPart::imageChanged):
+        * rendering/RenderScrollbarPart.h:
+
</ins><span class="cx"> 2008-10-10  Simon Fraser  &lt;simon.fraser@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Reviewed by Darin Adler
</span></span></pre></div>
<a id="trunkWebCorerenderingRenderScrollbarcpp"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/rendering/RenderScrollbar.cpp (37498 => 37499)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/rendering/RenderScrollbar.cpp        2008-10-11 02:53:03 UTC (rev 37498)
+++ trunk/WebCore/rendering/RenderScrollbar.cpp        2008-10-11 05:30:39 UTC (rev 37499)
</span><span class="lines">@@ -83,15 +83,13 @@
</span><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     ScrollbarPart oldPart = m_hoveredPart;
</span><del>-    Scrollbar::setHoveredPart(part);
</del><ins>+    m_hoveredPart = part;
</ins><span class="cx"> 
</span><span class="cx">     updateScrollbarPart(oldPart);
</span><span class="cx">     updateScrollbarPart(m_hoveredPart);
</span><span class="cx"> 
</span><del>-    // FIXME: Shouldn't always update the hover state of the scrollbar and track bg.
</del><span class="cx">     updateScrollbarPart(ScrollbarBGPart);
</span><span class="cx">     updateScrollbarPart(TrackBGPart);
</span><del>-    invalidate();
</del><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void RenderScrollbar::setPressedPart(ScrollbarPart part)
</span><span class="lines">@@ -102,10 +100,8 @@
</span><span class="cx">     updateScrollbarPart(oldPart);
</span><span class="cx">     updateScrollbarPart(part);
</span><span class="cx">     
</span><del>-    // FIXME: Shouldn't always update the active state of the scrollbar and track bg.
</del><span class="cx">     updateScrollbarPart(ScrollbarBGPart);
</span><span class="cx">     updateScrollbarPart(TrackBGPart);
</span><del>-    invalidate();
</del><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static ScrollbarPart s_styleResolvePart;
</span></span></pre></div>
<a id="trunkWebCorerenderingRenderScrollbarPartcpp"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/rendering/RenderScrollbarPart.cpp (37498 => 37499)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/rendering/RenderScrollbarPart.cpp        2008-10-11 02:53:03 UTC (rev 37498)
+++ trunk/WebCore/rendering/RenderScrollbarPart.cpp        2008-10-11 05:30:39 UTC (rev 37499)
</span><span class="lines">@@ -135,8 +135,16 @@
</span><span class="cx">     setPositioned(false);
</span><span class="cx">     setFloating(false);
</span><span class="cx">     setHasOverflowClip(false);
</span><ins>+    if (oldStyle &amp;&amp; m_scrollbar &amp;&amp; m_part != NoPart)
+        m_scrollbar-&gt;theme()-&gt;invalidatePart(m_scrollbar, m_part);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void RenderScrollbarPart::imageChanged(WrappedImagePtr)
+{
+    if (m_scrollbar &amp;&amp; m_part != NoPart)
+        m_scrollbar-&gt;theme()-&gt;invalidatePart(m_scrollbar, m_part);
+}
+
</ins><span class="cx"> void RenderScrollbarPart::paintIntoRect(GraphicsContext* graphicsContext, int tx, int ty, const IntRect&amp; rect)
</span><span class="cx"> {
</span><span class="cx">     // Make sure our dimensions match the rect.
</span></span></pre></div>
<a id="trunkWebCorerenderingRenderScrollbarParth"></a>
<div class="modfile"><h4>Modified: trunk/WebCore/rendering/RenderScrollbarPart.h (37498 => 37499)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/WebCore/rendering/RenderScrollbarPart.h        2008-10-11 02:53:03 UTC (rev 37498)
+++ trunk/WebCore/rendering/RenderScrollbarPart.h        2008-10-11 05:30:39 UTC (rev 37499)
</span><span class="lines">@@ -49,6 +49,7 @@
</span><span class="cx">     
</span><span class="cx"> protected:
</span><span class="cx">     virtual void styleDidChange(RenderStyle::Diff, const RenderStyle* oldStyle);
</span><ins>+    virtual void imageChanged(WrappedImagePtr);
</ins><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx">     void layoutHorizontalPart();
</span></span></pre>
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