#ifndef NodeRareData_h
#define NodeRareData_h
-#include "core/dom/ChildNodeList.h"
-#include "core/dom/EmptyNodeList.h"
-#include "core/dom/LiveNodeList.h"
#include "core/dom/MutationObserverRegistration.h"
-#include "core/dom/QualifiedName.h"
-#include "core/dom/TagCollection.h"
-#include "core/page/Page.h"
+#include "core/dom/NodeListsNodeData.h"
+#include "platform/heap/Handle.h"
#include "wtf/HashSet.h"
#include "wtf/OwnPtr.h"
#include "wtf/PassOwnPtr.h"
-#include "wtf/text/AtomicString.h"
-#include "wtf/text/StringHash.h"
-namespace WebCore {
+namespace blink {
-class LabelsNodeList;
-class RadioNodeList;
-class TreeScope;
-
-class NodeListsNodeData {
- WTF_MAKE_NONCOPYABLE(NodeListsNodeData); WTF_MAKE_FAST_ALLOCATED;
+class NodeMutationObserverData FINAL : public NoBaseWillBeGarbageCollected<NodeMutationObserverData> {
+ WTF_MAKE_NONCOPYABLE(NodeMutationObserverData);
+ WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
public:
- void clearChildNodeListCache()
- {
- if (m_childNodeList && m_childNodeList->isChildNodeList())
- toChildNodeList(m_childNodeList)->invalidateCache();
- }
-
- PassRefPtr<ChildNodeList> ensureChildNodeList(ContainerNode& node)
- {
- if (m_childNodeList)
- return toChildNodeList(m_childNodeList);
- RefPtr<ChildNodeList> list = ChildNodeList::create(node);
- m_childNodeList = list.get();
- return list.release();
- }
-
- PassRefPtr<EmptyNodeList> ensureEmptyChildNodeList(Node& node)
- {
- if (m_childNodeList)
- return toEmptyNodeList(m_childNodeList);
- RefPtr<EmptyNodeList> list = EmptyNodeList::create(node);
- m_childNodeList = list.get();
- return list.release();
- }
-
- void removeChildNodeList(ChildNodeList* list)
- {
- ASSERT(m_childNodeList == list);
- if (deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(list->ownerNode()))
- return;
- m_childNodeList = 0;
- }
-
- void removeEmptyChildNodeList(EmptyNodeList* list)
- {
- ASSERT(m_childNodeList == list);
- if (deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(list->ownerNode()))
- return;
- m_childNodeList = 0;
- }
-
- struct NodeListAtomicCacheMapEntryHash {
- static unsigned hash(const std::pair<unsigned char, StringImpl*>& entry)
- {
- return DefaultHash<StringImpl*>::Hash::hash(entry.second) + entry.first;
- }
- static bool equal(const std::pair<unsigned char, StringImpl*>& a, const std::pair<unsigned char, StringImpl*>& b) { return a == b; }
- static const bool safeToCompareToEmptyOrDeleted = DefaultHash<StringImpl*>::Hash::safeToCompareToEmptyOrDeleted;
- };
-
- typedef HashMap<std::pair<unsigned char, StringImpl*>, LiveNodeListBase*, NodeListAtomicCacheMapEntryHash> NodeListAtomicNameCacheMap;
- typedef HashMap<QualifiedName, TagCollection*> TagCollectionCacheNS;
-
- template<typename T>
- PassRefPtr<T> addCache(ContainerNode& node, CollectionType collectionType, const AtomicString& name)
- {
- NodeListAtomicNameCacheMap::AddResult result = m_atomicNameCaches.add(namedNodeListKey(collectionType, name), 0);
- if (!result.isNewEntry)
- return static_cast<T*>(result.storedValue->value);
-
- RefPtr<T> list = T::create(node, collectionType, name);
- result.storedValue->value = list.get();
- return list.release();
- }
-
- template<typename T>
- PassRefPtr<T> addCache(ContainerNode& node, CollectionType collectionType)
- {
- NodeListAtomicNameCacheMap::AddResult result = m_atomicNameCaches.add(namedNodeListKey(collectionType, starAtom), 0);
- if (!result.isNewEntry)
- return static_cast<T*>(result.storedValue->value);
-
- RefPtr<T> list = T::create(node, collectionType);
- result.storedValue->value = list.get();
- return list.release();
- }
-
- template<typename T>
- T* cached(CollectionType collectionType)
- {
- return static_cast<T*>(m_atomicNameCaches.get(namedNodeListKey(collectionType, starAtom)));
- }
-
- PassRefPtr<TagCollection> addCache(ContainerNode& node, const AtomicString& namespaceURI, const AtomicString& localName)
- {
- QualifiedName name(nullAtom, localName, namespaceURI);
- TagCollectionCacheNS::AddResult result = m_tagCollectionCacheNS.add(name, 0);
- if (!result.isNewEntry)
- return result.storedValue->value;
-
- RefPtr<TagCollection> list = TagCollection::create(node, namespaceURI, localName);
- result.storedValue->value = list.get();
- return list.release();
- }
+ WillBeHeapVector<OwnPtrWillBeMember<MutationObserverRegistration> > registry;
+ WillBeHeapHashSet<RawPtrWillBeMember<MutationObserverRegistration> > transientRegistry;
- void removeCache(LiveNodeListBase* list, CollectionType collectionType, const AtomicString& name = starAtom)
+ static PassOwnPtrWillBeRawPtr<NodeMutationObserverData> create()
{
- ASSERT(list == m_atomicNameCaches.get(namedNodeListKey(collectionType, name)));
- if (deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(list->ownerNode()))
- return;
- m_atomicNameCaches.remove(namedNodeListKey(collectionType, name));
+ return adoptPtrWillBeNoop(new NodeMutationObserverData);
}
- void removeCache(LiveNodeListBase* list, const AtomicString& namespaceURI, const AtomicString& localName)
+ void trace(Visitor* visitor)
{
- QualifiedName name(nullAtom, localName, namespaceURI);
- ASSERT(list == m_tagCollectionCacheNS.get(name));
- if (deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(list->ownerNode()))
- return;
- m_tagCollectionCacheNS.remove(name);
+#if ENABLE(OILPAN)
+ visitor->trace(registry);
+ visitor->trace(transientRegistry);
+#endif
}
- static PassOwnPtr<NodeListsNodeData> create()
- {
- return adoptPtr(new NodeListsNodeData);
- }
-
- void invalidateCaches(const QualifiedName* attrName = 0);
- bool isEmpty() const
- {
- return m_atomicNameCaches.isEmpty() && m_tagCollectionCacheNS.isEmpty();
- }
-
- void adoptTreeScope()
- {
- invalidateCaches();
- }
-
- void adoptDocument(Document& oldDocument, Document& newDocument)
- {
- ASSERT(oldDocument != newDocument);
-
- NodeListAtomicNameCacheMap::const_iterator atomicNameCacheEnd = m_atomicNameCaches.end();
- for (NodeListAtomicNameCacheMap::const_iterator it = m_atomicNameCaches.begin(); it != atomicNameCacheEnd; ++it) {
- LiveNodeListBase* list = it->value;
- list->didMoveToDocument(oldDocument, newDocument);
- }
-
- TagCollectionCacheNS::const_iterator tagEnd = m_tagCollectionCacheNS.end();
- for (TagCollectionCacheNS::const_iterator it = m_tagCollectionCacheNS.begin(); it != tagEnd; ++it) {
- LiveNodeListBase* list = it->value;
- ASSERT(!list->isRootedAtDocument());
- list->didMoveToDocument(oldDocument, newDocument);
- }
- }
-
-private:
- NodeListsNodeData()
- : m_childNodeList(0)
- { }
-
- std::pair<unsigned char, StringImpl*> namedNodeListKey(CollectionType type, const AtomicString& name)
- {
- // Holding the raw StringImpl is safe because |name| is retained by the NodeList and the NodeList
- // is reponsible for removing itself from the cache on deletion.
- return std::pair<unsigned char, StringImpl*>(type, name.impl());
- }
-
- bool deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(Node&);
-
- // Can be a ChildNodeList or an EmptyNodeList.
- NodeList* m_childNodeList;
- NodeListAtomicNameCacheMap m_atomicNameCaches;
- TagCollectionCacheNS m_tagCollectionCacheNS;
-};
-
-class NodeMutationObserverData {
- WTF_MAKE_NONCOPYABLE(NodeMutationObserverData); WTF_MAKE_FAST_ALLOCATED;
-public:
- Vector<OwnPtr<MutationObserverRegistration> > registry;
- HashSet<MutationObserverRegistration*> transientRegistry;
-
- static PassOwnPtr<NodeMutationObserverData> create() { return adoptPtr(new NodeMutationObserverData); }
-
private:
NodeMutationObserverData() { }
};
-class NodeRareData : public NodeRareDataBase {
- WTF_MAKE_NONCOPYABLE(NodeRareData); WTF_MAKE_FAST_ALLOCATED;
+class NodeRareData : public NoBaseWillBeGarbageCollectedFinalized<NodeRareData>, public NodeRareDataBase {
+ WTF_MAKE_NONCOPYABLE(NodeRareData);
+ WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
public:
- static PassOwnPtr<NodeRareData> create(RenderObject* renderer) { return adoptPtr(new NodeRareData(renderer)); }
+ static NodeRareData* create(RenderObject* renderer)
+ {
+ return new NodeRareData(renderer);
+ }
void clearNodeLists() { m_nodeLists.clear(); }
NodeListsNodeData* nodeLists() const { return m_nodeLists.get(); }
ConnectedFrameCountBits = 10, // Must fit Page::maxNumberOfFrames.
};
+ void trace(Visitor*);
+
+ void traceAfterDispatch(Visitor*);
+ void finalizeGarbageCollectedObject();
+
protected:
- NodeRareData(RenderObject* renderer)
+ explicit NodeRareData(RenderObject* renderer)
: NodeRareDataBase(renderer)
, m_connectedFrameCount(0)
, m_elementFlags(0)
, m_restyleFlags(0)
+ , m_isElementRareData(false)
{ }
private:
- OwnPtr<NodeListsNodeData> m_nodeLists;
- OwnPtr<NodeMutationObserverData> m_mutationObserverData;
+ OwnPtrWillBeMember<NodeListsNodeData> m_nodeLists;
+ OwnPtrWillBeMember<NodeMutationObserverData> m_mutationObserverData;
unsigned m_connectedFrameCount : ConnectedFrameCountBits;
unsigned m_elementFlags : NumberOfElementFlags;
unsigned m_restyleFlags : NumberOfDynamicRestyleFlags;
+protected:
+ unsigned m_isElementRareData : 1;
};
-inline bool NodeListsNodeData::deleteThisAndUpdateNodeRareDataIfAboutToRemoveLastList(Node& ownerNode)
-{
- ASSERT(ownerNode.nodeLists() == this);
- if ((m_childNodeList ? 1 : 0) + m_atomicNameCaches.size() + m_tagCollectionCacheNS.size() != 1)
- return false;
- ownerNode.clearNodeLists();
- return true;
-}
-
-} // namespace WebCore
+} // namespace blink
#endif // NodeRareData_h
projects / platform / framework / web / crosswalk.git / blobdiff