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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/150480">150480</a></dd>
<dt>Author</dt> <dd>antti@apple.com</dd>
<dt>Date</dt> <dd>2013-05-21 14:38:13 -0700 (Tue, 21 May 2013)</dd>
</dl>

<h3>Log Message</h3>
<pre>Remove ScopeContentDistribution
https://bugs.webkit.org/show_bug.cgi?id=116576

Reviewed by Andreas Kling.

With maximum one ShadowRoot per Element this can be smashed into ContentDistributor.

* dom/ShadowRoot.cpp:
(WebCore):
* dom/ShadowRoot.h:
(WebCore):
* html/shadow/ContentDistributor.cpp:
(WebCore::ContentDistributor::ContentDistributor):
(WebCore):
(WebCore::ContentDistributor::~ContentDistributor):
(WebCore::ContentDistributor::invalidateInsertionPointList):
(WebCore::ContentDistributor::ensureInsertionPointList):
(WebCore::ContentDistributor::distribute):
(WebCore::ContentDistributor::invalidate):
* html/shadow/ContentDistributor.h:
(WebCore):
(ContentDistributor):
* html/shadow/InsertionPoint.cpp:
(WebCore::InsertionPoint::InsertionPoint):
(WebCore::InsertionPoint::insertedInto):
(WebCore::InsertionPoint::removedFrom):
        
    Simplify insertion point list invalidation.

* html/shadow/InsertionPoint.h:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoredomShadowRootcpp">trunk/Source/WebCore/dom/ShadowRoot.cpp</a></li>
<li><a href="#trunkSourceWebCoredomShadowRooth">trunk/Source/WebCore/dom/ShadowRoot.h</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowContentDistributorcpp">trunk/Source/WebCore/html/shadow/ContentDistributor.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowContentDistributorh">trunk/Source/WebCore/html/shadow/ContentDistributor.h</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowInsertionPointcpp">trunk/Source/WebCore/html/shadow/InsertionPoint.cpp</a></li>
<li><a href="#trunkSourceWebCorehtmlshadowInsertionPointh">trunk/Source/WebCore/html/shadow/InsertionPoint.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (150479 => 150480)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2013-05-21 21:28:03 UTC (rev 150479)
+++ trunk/Source/WebCore/ChangeLog        2013-05-21 21:38:13 UTC (rev 150480)
</span><span class="lines">@@ -1,3 +1,36 @@
</span><ins>+2013-05-21  Antti Koivisto  &lt;antti@apple.com&gt;
+
+        Remove ScopeContentDistribution
+        https://bugs.webkit.org/show_bug.cgi?id=116576
+
+        Reviewed by Andreas Kling.
+
+        With maximum one ShadowRoot per Element this can be smashed into ContentDistributor.
+
+        * dom/ShadowRoot.cpp:
+        (WebCore):
+        * dom/ShadowRoot.h:
+        (WebCore):
+        * html/shadow/ContentDistributor.cpp:
+        (WebCore::ContentDistributor::ContentDistributor):
+        (WebCore):
+        (WebCore::ContentDistributor::~ContentDistributor):
+        (WebCore::ContentDistributor::invalidateInsertionPointList):
+        (WebCore::ContentDistributor::ensureInsertionPointList):
+        (WebCore::ContentDistributor::distribute):
+        (WebCore::ContentDistributor::invalidate):
+        * html/shadow/ContentDistributor.h:
+        (WebCore):
+        (ContentDistributor):
+        * html/shadow/InsertionPoint.cpp:
+        (WebCore::InsertionPoint::InsertionPoint):
+        (WebCore::InsertionPoint::insertedInto):
+        (WebCore::InsertionPoint::removedFrom):
+        
+            Simplify insertion point list invalidation.
+
+        * html/shadow/InsertionPoint.h:
+
</ins><span class="cx"> 2013-05-21  Zoltan Horvath  &lt;zoltan@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         [CSS Regions][CSS Exclusions] Multiple regions with shape-insides should respect positioned shapes and overflow
</span></span></pre></div>
<a id="trunkSourceWebCoredomShadowRootcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ShadowRoot.cpp (150479 => 150480)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ShadowRoot.cpp        2013-05-21 21:28:03 UTC (rev 150479)
+++ trunk/Source/WebCore/dom/ShadowRoot.cpp        2013-05-21 21:38:13 UTC (rev 150480)
</span><span class="lines">@@ -39,7 +39,6 @@
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><span class="cx"> struct SameSizeAsShadowRoot : public DocumentFragment, public TreeScope {
</span><del>-    void* pointers[1];
</del><span class="cx">     unsigned countersAndFlags[1];
</span><span class="cx"> };
</span><span class="cx"> 
</span><span class="lines">@@ -196,13 +195,4 @@
</span><span class="cx">     setHasScopedHTMLStyleChild(m_numberOfStyles &gt; 0);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-ScopeContentDistribution* ShadowRoot::ensureScopeDistribution()
-{
-    if (m_scopeDistribution)
-        return m_scopeDistribution.get();
-
-    m_scopeDistribution = adoptPtr(new ScopeContentDistribution);
-    return m_scopeDistribution.get();
-}   
-
</del><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoredomShadowRooth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ShadowRoot.h (150479 => 150480)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ShadowRoot.h        2013-05-21 21:28:03 UTC (rev 150479)
+++ trunk/Source/WebCore/dom/ShadowRoot.h        2013-05-21 21:38:13 UTC (rev 150480)
</span><span class="lines">@@ -37,7 +37,6 @@
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><span class="cx"> class ElementShadow;
</span><del>-class ScopeContentDistribution;
</del><span class="cx"> 
</span><span class="cx"> class ShadowRoot FINAL : public DocumentFragment, public TreeScope {
</span><span class="cx"> public:
</span><span class="lines">@@ -77,10 +76,6 @@
</span><span class="cx">     virtual void registerScopedHTMLStyleChild() OVERRIDE;
</span><span class="cx">     virtual void unregisterScopedHTMLStyleChild() OVERRIDE;
</span><span class="cx"> 
</span><del>-    ScopeContentDistribution* scopeDistribution() { return m_scopeDistribution.get(); }
-    const ScopeContentDistribution* scopeDistribution() const { return m_scopeDistribution.get(); }
-    ScopeContentDistribution* ensureScopeDistribution();
-
</del><span class="cx">     ShadowRootType type() const { return static_cast&lt;ShadowRootType&gt;(m_type); }
</span><span class="cx"> 
</span><span class="cx">     PassRefPtr&lt;Node&gt; cloneNode(bool, ExceptionCode&amp;);
</span><span class="lines">@@ -98,7 +93,6 @@
</span><span class="cx">     // FIXME: This shouldn't happen. https://bugs.webkit.org/show_bug.cgi?id=88834
</span><span class="cx">     bool isOrphan() const { return !host(); }
</span><span class="cx"> 
</span><del>-    OwnPtr&lt;ScopeContentDistribution&gt; m_scopeDistribution;
</del><span class="cx">     unsigned m_numberOfStyles : 28;
</span><span class="cx">     unsigned m_applyAuthorStyles : 1;
</span><span class="cx">     unsigned m_resetStyleInheritance : 1;
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowContentDistributorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/ContentDistributor.cpp (150479 => 150480)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/ContentDistributor.cpp        2013-05-21 21:28:03 UTC (rev 150479)
+++ trunk/Source/WebCore/html/shadow/ContentDistributor.cpp        2013-05-21 21:38:13 UTC (rev 150480)
</span><span class="lines">@@ -35,18 +35,23 @@
</span><span class="cx"> 
</span><span class="cx"> namespace WebCore {
</span><span class="cx"> 
</span><del>-ScopeContentDistribution::ScopeContentDistribution()
</del><ins>+ContentDistributor::ContentDistributor()
</ins><span class="cx">     : m_insertionPointListIsValid(true)
</span><ins>+    , m_validity(Undetermined)
</ins><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void ScopeContentDistribution::invalidateInsertionPointList()
</del><ins>+ContentDistributor::~ContentDistributor()
</ins><span class="cx"> {
</span><ins>+}
+
+void ContentDistributor::invalidateInsertionPointList()
+{
</ins><span class="cx">     m_insertionPointListIsValid = false;
</span><span class="cx">     m_insertionPointList.clear();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; ScopeContentDistribution::ensureInsertionPointList(ShadowRoot* shadowRoot)
</del><ins>+const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; ContentDistributor::ensureInsertionPointList(ShadowRoot* shadowRoot)
</ins><span class="cx"> {
</span><span class="cx">     if (m_insertionPointListIsValid)
</span><span class="cx">         return m_insertionPointList;
</span><span class="lines">@@ -62,25 +67,6 @@
</span><span class="cx">     return m_insertionPointList;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void ScopeContentDistribution::registerInsertionPoint(InsertionPoint*)
-{
-    invalidateInsertionPointList();
-}
-
-void ScopeContentDistribution::unregisterInsertionPoint(InsertionPoint*)
-{
-    invalidateInsertionPointList();
-}
-
-ContentDistributor::ContentDistributor()
-    : m_validity(Undetermined)
-{
-}
-
-ContentDistributor::~ContentDistributor()
-{
-}
-
</del><span class="cx"> InsertionPoint* ContentDistributor::findInsertionPointFor(const Node* key) const
</span><span class="cx"> {
</span><span class="cx">     return m_nodeToInsertionPoint.get(key);
</span><span class="lines">@@ -95,15 +81,13 @@
</span><span class="cx">     m_validity = Valid;
</span><span class="cx"> 
</span><span class="cx">     if (ShadowRoot* root = host-&gt;shadowRoot()) {
</span><del>-        if (ScopeContentDistribution* scope = root-&gt;scopeDistribution()) {
-            const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; insertionPoints = scope-&gt;ensureInsertionPointList(root);
-            for (size_t i = 0; i &lt; insertionPoints.size(); ++i) {
-                InsertionPoint* point = insertionPoints[i].get();
-                if (!point-&gt;isActive())
-                    continue;
</del><ins>+        const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; insertionPoints = ensureInsertionPointList(root);
+        for (size_t i = 0; i &lt; insertionPoints.size(); ++i) {
+            InsertionPoint* point = insertionPoints[i].get();
+            if (!point-&gt;isActive())
+                continue;
</ins><span class="cx"> 
</span><del>-                distributeSelectionsTo(point, host);
-            }
</del><ins>+            distributeSelectionsTo(point, host);
</ins><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="lines">@@ -114,12 +98,10 @@
</span><span class="cx">     bool needsReattach = (m_validity == Undetermined) || !m_nodeToInsertionPoint.isEmpty();
</span><span class="cx"> 
</span><span class="cx">     if (ShadowRoot* root = host-&gt;shadowRoot()) {
</span><del>-        if (ScopeContentDistribution* scope = root-&gt;scopeDistribution()) {
-            const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; insertionPoints = scope-&gt;ensureInsertionPointList(root);
-            for (size_t i = 0; i &lt; insertionPoints.size(); ++i) {
-                needsReattach = needsReattach || true;
-                insertionPoints[i]-&gt;clearDistribution();
-            }
</del><ins>+        const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; insertionPoints = ensureInsertionPointList(root);
+        for (size_t i = 0; i &lt; insertionPoints.size(); ++i) {
+            needsReattach = true;
+            insertionPoints[i]-&gt;clearDistribution();
</ins><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowContentDistributorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/ContentDistributor.h (150479 => 150480)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/ContentDistributor.h        2013-05-21 21:28:03 UTC (rev 150479)
+++ trunk/Source/WebCore/html/shadow/ContentDistributor.h        2013-05-21 21:38:13 UTC (rev 150480)
</span><span class="lines">@@ -44,21 +44,6 @@
</span><span class="cx"> class Node;
</span><span class="cx"> class ShadowRoot;
</span><span class="cx"> 
</span><del>-class ScopeContentDistribution {
-public:
-    ScopeContentDistribution();
-
-    void registerInsertionPoint(InsertionPoint*);
-    void unregisterInsertionPoint(InsertionPoint*);
-
-    void invalidateInsertionPointList();
-    const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; ensureInsertionPointList(ShadowRoot*);
-
-private:
-    bool m_insertionPointListIsValid;
-    Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt; m_insertionPointList;
-};
-
</del><span class="cx"> class ContentDistributor {
</span><span class="cx">     WTF_MAKE_NONCOPYABLE(ContentDistributor);
</span><span class="cx"> public:
</span><span class="lines">@@ -72,6 +57,8 @@
</span><span class="cx">     ContentDistributor();
</span><span class="cx">     ~ContentDistributor();
</span><span class="cx"> 
</span><ins>+    void invalidateInsertionPointList();
+    
</ins><span class="cx">     InsertionPoint* findInsertionPointFor(const Node* key) const;
</span><span class="cx"> 
</span><span class="cx">     void distributeSelectionsTo(InsertionPoint*, Element* host);
</span><span class="lines">@@ -82,6 +69,8 @@
</span><span class="cx">     static void ensureDistribution(ShadowRoot*);
</span><span class="cx"> 
</span><span class="cx"> private:
</span><ins>+    const Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt;&amp; ensureInsertionPointList(ShadowRoot*);
+
</ins><span class="cx">     void distribute(Element* host);
</span><span class="cx">     bool invalidate(Element* host);
</span><span class="cx"> 
</span><span class="lines">@@ -90,7 +79,9 @@
</span><span class="cx">     bool needsDistribution() const;
</span><span class="cx">     bool needsInvalidation() const { return m_validity != Invalidated; }
</span><span class="cx"> 
</span><ins>+    Vector&lt;RefPtr&lt;InsertionPoint&gt; &gt; m_insertionPointList;
</ins><span class="cx">     HashMap&lt;const Node*, RefPtr&lt;InsertionPoint&gt; &gt; m_nodeToInsertionPoint;
</span><ins>+    bool m_insertionPointListIsValid;
</ins><span class="cx">     unsigned m_validity : 2;
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowInsertionPointcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/InsertionPoint.cpp (150479 => 150480)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/InsertionPoint.cpp        2013-05-21 21:28:03 UTC (rev 150479)
+++ trunk/Source/WebCore/html/shadow/InsertionPoint.cpp        2013-05-21 21:38:13 UTC (rev 150480)
</span><span class="lines">@@ -43,7 +43,6 @@
</span><span class="cx"> 
</span><span class="cx"> InsertionPoint::InsertionPoint(const QualifiedName&amp; tagName, Document* document)
</span><span class="cx">     : HTMLElement(tagName, document, CreateInsertionPoint)
</span><del>-    , m_registeredWithShadowRoot(false)
</del><span class="cx">     , m_hasDistribution(false)
</span><span class="cx"> {
</span><span class="cx"> }
</span><span class="lines">@@ -119,10 +118,7 @@
</span><span class="cx">     if (ShadowRoot* root = containingShadowRoot()) {
</span><span class="cx">         if (ElementShadow* rootOwner = root-&gt;owner()) {
</span><span class="cx">             rootOwner-&gt;distributor().didShadowBoundaryChange(root-&gt;host());
</span><del>-            if (isActive() &amp;&amp; !m_registeredWithShadowRoot &amp;&amp; insertionPoint-&gt;treeScope()-&gt;rootNode() == root) {
-                m_registeredWithShadowRoot = true;
-                root-&gt;ensureScopeDistribution()-&gt;registerInsertionPoint(this);
-            }
</del><ins>+            rootOwner-&gt;distributor().invalidateInsertionPointList();
</ins><span class="cx">         }
</span><span class="cx">     }
</span><span class="cx"> 
</span><span class="lines">@@ -137,18 +133,14 @@
</span><span class="cx"> 
</span><span class="cx">     // host can be null when removedFrom() is called from ElementShadow destructor.
</span><span class="cx">     ElementShadow* rootOwner = root ? root-&gt;owner() : 0;
</span><del>-    if (rootOwner)
</del><ins>+    if (rootOwner) {
</ins><span class="cx">         rootOwner-&gt;invalidateDistribution();
</span><ins>+        rootOwner-&gt;distributor().invalidateInsertionPointList();
+    }
</ins><span class="cx"> 
</span><span class="cx">     // Since this insertion point is no longer visible from the shadow subtree, it need to clean itself up.
</span><span class="cx">     clearDistribution();
</span><span class="cx"> 
</span><del>-    if (m_registeredWithShadowRoot &amp;&amp; insertionPoint-&gt;treeScope()-&gt;rootNode() == root) {
-        ASSERT(root);
-        m_registeredWithShadowRoot = false;
-        root-&gt;ensureScopeDistribution()-&gt;unregisterInsertionPoint(this);
-    }
-
</del><span class="cx">     HTMLElement::removedFrom(insertionPoint);
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorehtmlshadowInsertionPointh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/html/shadow/InsertionPoint.h (150479 => 150480)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/html/shadow/InsertionPoint.h        2013-05-21 21:28:03 UTC (rev 150479)
+++ trunk/Source/WebCore/html/shadow/InsertionPoint.h        2013-05-21 21:38:13 UTC (rev 150480)
</span><span class="lines">@@ -90,7 +90,6 @@
</span><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx"> 
</span><del>-    bool m_registeredWithShadowRoot;
</del><span class="cx">     bool m_hasDistribution;
</span><span class="cx"> };
</span><span class="cx"> 
</span></span></pre>
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