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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/174917">174917</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2014-10-20 18:19:23 -0700 (Mon, 20 Oct 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Use is&lt;&gt;() / downcast&lt;&gt;() for SpinButtonElement
https://bugs.webkit.org/show_bug.cgi?id=137896

Reviewed by Gyuyoung Kim.

Use is&lt;&gt;() / downcast&lt;&gt;() for SpinButtonElement instead of
isSpinButtonElement() / static_cast for consistency with the rest of
the code and for safety.

No new tests, no behavior change.

* accessibility/AccessibilityRenderObject.cpp:
(WebCore::AccessibilityRenderObject::addTextFieldChildren):
* html/shadow/SpinButtonElement.h:
(isType):
* rendering/RenderTheme.cpp:
(WebCore::RenderTheme::isSpinUpButtonPartPressed):
(WebCore::RenderTheme::isHovered):
(WebCore::RenderTheme::isSpinUpButtonPartHovered):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreaccessibilityAccessibilityRenderObjectcpp">trunk/Source/WebCore/accessibility/AccessibilityRenderObject.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowSpinButtonElementh">trunk/Source/WebCore/html/shadow/SpinButtonElement.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderThemecpp">trunk/Source/WebCore/rendering/RenderTheme.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (174916 => 174917)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-10-21 01:16:45 UTC (rev 174916)
+++ trunk/Source/WebCore/ChangeLog        2014-10-21 01:19:23 UTC (rev 174917)
</span><span class="lines">@@ -1,3 +1,25 @@
</span><ins>+2014-10-20  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Use is&lt;&gt;() / downcast&lt;&gt;() for SpinButtonElement
+        https://bugs.webkit.org/show_bug.cgi?id=137896
+
+        Reviewed by Gyuyoung Kim.
+
+        Use is&lt;&gt;() / downcast&lt;&gt;() for SpinButtonElement instead of
+        isSpinButtonElement() / static_cast for consistency with the rest of
+        the code and for safety.
+
+        No new tests, no behavior change.
+
+        * accessibility/AccessibilityRenderObject.cpp:
+        (WebCore::AccessibilityRenderObject::addTextFieldChildren):
+        * html/shadow/SpinButtonElement.h:
+        (isType):
+        * rendering/RenderTheme.cpp:
+        (WebCore::RenderTheme::isSpinUpButtonPartPressed):
+        (WebCore::RenderTheme::isHovered):
+        (WebCore::RenderTheme::isSpinUpButtonPartHovered):
+
</ins><span class="cx"> 2014-10-20  Roger Fong  &lt;roger_fong@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Use glFlush instead of glFinish when drawing WebGL output to screen.
</span></span></pre></div>
<a id="trunkSourceWebCoreaccessibilityAccessibilityRenderObjectcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/accessibility/AccessibilityRenderObject.cpp (174916 => 174917)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/accessibility/AccessibilityRenderObject.cpp        2014-10-21 01:16:45 UTC (rev 174916)
+++ trunk/Source/WebCore/accessibility/AccessibilityRenderObject.cpp        2014-10-21 01:19:23 UTC (rev 174917)
</span><span class="lines">@@ -2834,12 +2834,11 @@
</span><span class="cx">     
</span><span class="cx">     HTMLInputElement&amp; input = downcast&lt;HTMLInputElement&gt;(*node);
</span><span class="cx">     HTMLElement* spinButtonElement = input.innerSpinButtonElement();
</span><del>-    if (!spinButtonElement || !spinButtonElement-&gt;isSpinButtonElement())
</del><ins>+    if (!is&lt;SpinButtonElement&gt;(spinButtonElement))
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     auto&amp; axSpinButton = downcast&lt;AccessibilitySpinButton&gt;(*axObjectCache()-&gt;getOrCreate(SpinButtonRole));
</span><del>-    // FIXME: We should use is&lt;&gt;() / downcast&lt;&gt;() for SpinButtonElement.
-    axSpinButton.setSpinButtonElement(static_cast&lt;SpinButtonElement*&gt;(spinButtonElement));
</del><ins>+    axSpinButton.setSpinButtonElement(downcast&lt;SpinButtonElement&gt;(spinButtonElement));
</ins><span class="cx">     axSpinButton.setParent(this);
</span><span class="cx">     m_children.append(&amp;axSpinButton);
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowSpinButtonElementh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/SpinButtonElement.h (174916 => 174917)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/SpinButtonElement.h        2014-10-21 01:16:45 UTC (rev 174916)
+++ trunk/Source/WebCore/html/shadow/SpinButtonElement.h        2014-10-21 01:19:23 UTC (rev 174917)
</span><span class="lines">@@ -90,6 +90,11 @@
</span><span class="cx">     Timer&lt;SpinButtonElement&gt; m_repeatingTimer;
</span><span class="cx"> };
</span><span class="cx"> 
</span><del>-} // namespace
</del><ins>+} // namespace WebCore
</ins><span class="cx"> 
</span><del>-#endif
</del><ins>+SPECIALIZE_TYPE_TRAITS_BEGIN(WebCore::SpinButtonElement)
+    static bool isType(const WebCore::Element&amp; element) { return element.isSpinButtonElement(); }
+    static bool isType(const WebCore::Node&amp; node) { return is&lt;WebCore::Element&gt;(node) &amp;&amp; isType(downcast&lt;WebCore::Element&gt;(node)); }
+SPECIALIZE_TYPE_TRAITS_END()
+
+#endif // SpinButtonElement_h
</ins></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderThemecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderTheme.cpp (174916 => 174917)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderTheme.cpp        2014-10-21 01:16:45 UTC (rev 174916)
+++ trunk/Source/WebCore/rendering/RenderTheme.cpp        2014-10-21 01:19:23 UTC (rev 174917)
</span><span class="lines">@@ -837,9 +837,9 @@
</span><span class="cx">     if (!is&lt;Element&gt;(node))
</span><span class="cx">         return false;
</span><span class="cx">     Element&amp; element = downcast&lt;Element&gt;(*node);
</span><del>-    if (!element.active() || !element.isSpinButtonElement())
</del><ins>+    if (!element.active() || !is&lt;SpinButtonElement&gt;(element))
</ins><span class="cx">         return false;
</span><del>-    return static_cast&lt;SpinButtonElement&amp;&gt;(element).upDownState() == SpinButtonElement::Up;
</del><ins>+    return downcast&lt;SpinButtonElement&gt;(element).upDownState() == SpinButtonElement::Up;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool RenderTheme::isReadOnlyControl(const RenderObject&amp; renderer) const
</span><span class="lines">@@ -855,19 +855,19 @@
</span><span class="cx">     Node* node = renderer.node();
</span><span class="cx">     if (!is&lt;Element&gt;(node))
</span><span class="cx">         return false;
</span><del>-    if (!downcast&lt;Element&gt;(*node).isSpinButtonElement())
-        return downcast&lt;Element&gt;(*node).hovered();
-    SpinButtonElement* element = static_cast&lt;SpinButtonElement*&gt;(node);
-    return element-&gt;hovered() &amp;&amp; element-&gt;upDownState() != SpinButtonElement::Indeterminate;
</del><ins>+    Element&amp; element = downcast&lt;Element&gt;(*node);
+    if (!is&lt;SpinButtonElement&gt;(element))
+        return element.hovered();
+    SpinButtonElement&amp; spinButton = downcast&lt;SpinButtonElement&gt;(element);
+    return spinButton.hovered() &amp;&amp; spinButton.upDownState() != SpinButtonElement::Indeterminate;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool RenderTheme::isSpinUpButtonPartHovered(const RenderObject&amp; renderer) const
</span><span class="cx"> {
</span><span class="cx">     Node* node = renderer.node();
</span><del>-    if (!is&lt;Element&gt;(node) || !downcast&lt;Element&gt;(*node).isSpinButtonElement())
</del><ins>+    if (!is&lt;SpinButtonElement&gt;(node))
</ins><span class="cx">         return false;
</span><del>-    SpinButtonElement* element = static_cast&lt;SpinButtonElement*&gt;(node);
-    return element-&gt;upDownState() == SpinButtonElement::Up;
</del><ins>+    return downcast&lt;SpinButtonElement&gt;(*node).upDownState() == SpinButtonElement::Up;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> bool RenderTheme::isDefault(const RenderObject&amp; o) const
</span></span></pre>
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