Rewrite Shadow DOM distribution engine to support partial synchronous distribution for v1

third_party/WebKit/Source/core/dom/DocumentOrderedMap.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "core/dom/DocumentOrderedMap.h"
 
 #include "core/HTMLNames.h"
 #include "core/dom/Element.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/TreeScope.h"
 #include "core/html/HTMLMapElement.h"
+#include "core/html/HTMLSlotElement.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 
 DocumentOrderedMap* DocumentOrderedMap::create()
 {
     return new DocumentOrderedMap;
 }
@@ skipping 20 matching lines @@
 inline bool keyMatchesId(const AtomicString& key, const Element& element)
 {
     return element.getIdAttribute() == key;
 }
 
 inline bool keyMatchesMapName(const AtomicString& key, const Element& element)
 {
     return isHTMLMapElement(element) && toHTMLMapElement(element).getName() == key;
 }
 
+inline bool keyMatchesSlotName(const AtomicString& key, const Element& element)
+{
+    return isHTMLSlotElement(element) && toHTMLSlotElement(element).name() == key;
+}
+
 inline bool keyMatchesLowercasedMapName(const AtomicString& key, const Element& element)
 {
     return isHTMLMapElement(element) && toHTMLMapElement(element).getName().lower() == key;
 }
 
 inline bool keyMatchesLabelForAttribute(const AtomicString& key, const Element& element)
 {
     return isHTMLLabelElement(element) && element.getAttribute(forAttr) == key;
 }
 
@@ skipping 100 matching lines @@
     }
 
     return entry->orderedList;
 }
 
 Element* DocumentOrderedMap::getElementByMapName(const AtomicString& key, const TreeScope* scope) const
 {
     return get<keyMatchesMapName>(key, scope);
 }
 
+// TODO(hayato): Template get<> by return type.
+HTMLSlotElement* DocumentOrderedMap::getSlotByName(const AtomicString& key, const TreeScope* scope) const
+{
+    if (Element* slot = get<keyMatchesSlotName>(key, scope)) {
+        DCHECK(isHTMLSlotElement(slot));
+        return toHTMLSlotElement(slot);
+    }
+    return nullptr;
+}
+
 Element* DocumentOrderedMap::getElementByLowercasedMapName(const AtomicString& key, const TreeScope* scope) const
 {
     return get<keyMatchesLowercasedMapName>(key, scope);
 }
 
 Element* DocumentOrderedMap::getElementByLabelForAttribute(const AtomicString& key, const TreeScope* scope) const
 {
     return get<keyMatchesLabelForAttribute>(key, scope);
 }
 
 DEFINE_TRACE(DocumentOrderedMap)
 {
     visitor->trace(m_map);
 }
 
 DEFINE_TRACE(DocumentOrderedMap::MapEntry)
 {
     visitor->trace(element);
     visitor->trace(orderedList);
 }
 
 } // namespace blink