Move Document code out of Node.cpp

Source/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 5437 matching lines @@
 // process. See http://crbug.com/339659.
 void Document::defaultEventHandler(Event* event)
 {
     if (frame() && frame()->remotePlatformLayer()) {
         frame()->chromeClient().forwardInputEvent(this, event);
         return;
     }
     Node::defaultEventHandler(event);
 }
 
+template<unsigned type>
+bool shouldInvalidateNodeListCachesForAttr(const unsigned nodeListCounts[], const QualifiedName& attrName)
+{
+    if (nodeListCounts[type] && LiveNodeListBase::shouldInvalidateTypeOnAttributeChange(static_cast<NodeListInvalidationType>(type), attrName))
+        return true;
+    return shouldInvalidateNodeListCachesForAttr<type + 1>(nodeListCounts, attrName);
+}
+
+template<>
+bool shouldInvalidateNodeListCachesForAttr<numNodeListInvalidationTypes>(const unsigned[], const QualifiedName&)
+{
+    return false;
+}
+
+bool Document::shouldInvalidateNodeListCaches(const QualifiedName* attrName) const
+{
+    if (attrName)
+        return shouldInvalidateNodeListCachesForAttr<DoNotInvalidateOnAttributeChanges + 1>(m_nodeListCounts, *attrName);
+
+    for (int type = 0; type < numNodeListInvalidationTypes; type++) {
+        if (m_nodeListCounts[type])
+            return true;
+    }
+
+    return false;
+}
+
+void Document::invalidateNodeListCaches(const QualifiedName* attrName)
+{
+    HashSet<LiveNodeListBase*>::iterator end = m_listsInvalidatedAtDocument.end();
+    for (HashSet<LiveNodeListBase*>::iterator it = m_listsInvalidatedAtDocument.begin(); it != end; ++it)
+        (*it)->invalidateCache(attrName);
+}
+
 } // namespace WebCore