Oilpan: move LiveNodeList collections to the heap.

Source/core/dom/Document.h

 /*
  * 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, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 328 matching lines @@
      * Retrieve all nodes that intersect a rect in the window's document, until it is fully enclosed by
      * the boundaries of a node.
      *
      * @param centerX x reference for the rectangle in CSS pixels
      * @param centerY y reference for the rectangle in CSS pixels
      * @param topPadding How much to expand the top of the rectangle
      * @param rightPadding How much to expand the right of the rectangle
      * @param bottomPadding How much to expand the bottom of the rectangle
      * @param leftPadding How much to expand the left of the rectangle
      */
-    PassRefPtr<NodeList> nodesFromRect(int centerX, int centerY,
+    PassRefPtrWillBeRawPtr<NodeList> nodesFromRect(int centerX, int centerY,
         unsigned topPadding, unsigned rightPadding, unsigned bottomPadding, unsigned leftPadding,
         HitTestRequest::HitTestRequestType hitType = HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::ConfusingAndOftenMisusedDisallowShadowContent) const;
     Element* elementFromPoint(int x, int y) const;
     PassRefPtrWillBeRawPtr<Range> caretRangeFromPoint(int x, int y);
 
     String readyState() const;
 
     String defaultCharset() const;
 
     AtomicString inputEncoding() const { return Document::encodingName(); }
@@ skipping 26 matching lines @@
     void setHasXMLDeclaration(bool hasXMLDeclaration) { m_hasXMLDeclaration = hasXMLDeclaration ? 1 : 0; }
 
     virtual KURL baseURI() const OVERRIDE FINAL;
 
     String visibilityState() const;
     bool hidden() const;
     void didChangeVisibilityState();
 
     PassRefPtrWillBeRawPtr<Node> adoptNode(PassRefPtrWillBeRawPtr<Node> source, ExceptionState&);
 
-    PassRefPtr<HTMLCollection> images();
-    PassRefPtr<HTMLCollection> embeds();
-    PassRefPtr<HTMLCollection> applets();
-    PassRefPtr<HTMLCollection> links();
-    PassRefPtr<HTMLCollection> forms();
-    PassRefPtr<HTMLCollection> anchors();
-    PassRefPtr<HTMLCollection> scripts();
-    PassRefPtr<HTMLAllCollection> allForBinding();
-    PassRefPtr<HTMLAllCollection> all();
+    PassRefPtrWillBeRawPtr<HTMLCollection> images();
+    PassRefPtrWillBeRawPtr<HTMLCollection> embeds();
+    PassRefPtrWillBeRawPtr<HTMLCollection> applets();
+    PassRefPtrWillBeRawPtr<HTMLCollection> links();
+    PassRefPtrWillBeRawPtr<HTMLCollection> forms();
+    PassRefPtrWillBeRawPtr<HTMLCollection> anchors();
+    PassRefPtrWillBeRawPtr<HTMLCollection> scripts();
+    PassRefPtrWillBeRawPtr<HTMLAllCollection> allForBinding();
+    PassRefPtrWillBeRawPtr<HTMLAllCollection> all();
 
-    PassRefPtr<HTMLCollection> windowNamedItems(const AtomicString& name);
-    PassRefPtr<HTMLCollection> documentNamedItems(const AtomicString& name);
+    PassRefPtrWillBeRawPtr<HTMLCollection> windowNamedItems(const AtomicString& name);
+    PassRefPtrWillBeRawPtr<HTMLCollection> documentNamedItems(const AtomicString& name);
 
     bool isHTMLDocument() const { return m_documentClasses & HTMLDocumentClass; }
     bool isXHTMLDocument() const { return m_documentClasses & XHTMLDocumentClass; }
     bool isXMLDocument() const { return m_documentClasses & XMLDocumentClass; }
     bool isImageDocument() const { return m_documentClasses & ImageDocumentClass; }
     bool isSVGDocument() const { return m_documentClasses & SVGDocumentClass; }
     bool isPluginDocument() const { return m_documentClasses & PluginDocumentClass; }
     bool isMediaDocument() const { return m_documentClasses & MediaDocumentClass; }
 
     bool hasSVGRootNode() const;
@@ skipping 236 matching lines @@
 
     void updateHoverActiveState(const HitTestRequest&, Element*, const PlatformMouseEvent* = 0);
 
     // Updates for :target (CSS3 selector).
     void setCSSTarget(Element*);
     Element* cssTarget() const { return m_cssTarget; }
 
     void scheduleRenderTreeUpdateIfNeeded();
     bool hasPendingForcedStyleRecalc() const;
 
-    void registerNodeList(LiveNodeListBase*);
-    void unregisterNodeList(LiveNodeListBase*);
-    void incrementNodeListWithIdNameCacheCount();
-    void decrementNodeListWithIdNameCacheCount();
+    void registerNodeList(const LiveNodeListBase*);
+    void unregisterNodeList(const LiveNodeListBase*);
+    void registerNodeListWithIdNameCache(const LiveNodeListBase*);
+    void unregisterNodeListWithIdNameCache(const LiveNodeListBase*);
     bool shouldInvalidateNodeListCaches(const QualifiedName* attrName = 0) const;
     void invalidateNodeListCaches(const QualifiedName* attrName);
 
     void attachNodeIterator(NodeIterator*);
     void detachNodeIterator(NodeIterator*);
     void moveNodeIteratorsToNewDocument(Node&, Document&);
 
     void attachRange(Range*);
     void detachRange(Range*);
 
@@ skipping 467 matching lines @@
     void internalAddMessage(MessageSource, MessageLevel, const String& message, const String& sourceURL, unsigned lineNumber, PassRefPtr<ScriptCallStack>, ScriptState*);
 
     virtual double timerAlignmentInterval() const OVERRIDE FINAL;
 
     void updateTitle(const String&);
     void updateFocusAppearanceTimerFired(Timer<Document>*);
     void updateBaseURL();
 
     void executeScriptsWaitingForResourcesIfNeeded();
 
-    PassRefPtr<NodeList> handleZeroPadding(const HitTestRequest&, HitTestResult&) const;
+    PassRefPtrWillBeRawPtr<NodeList> handleZeroPadding(const HitTestRequest&, HitTestResult&) const;
 
     void loadEventDelayTimerFired(Timer<Document>*);
     void pluginLoadingTimerFired(Timer<Document>*);
 
     PageVisibilityState pageVisibilityState() const;
 
-    PassRefPtr<HTMLCollection> ensureCachedCollection(CollectionType);
+    PassRefPtrWillBeRawPtr<HTMLCollection> ensureCachedCollection(CollectionType);
 
     // Note that dispatching a window load event may cause the DOMWindow to be detached from
     // the LocalFrame, so callers should take a reference to the DOMWindow (which owns us) to
     // prevent the Document from getting blown away from underneath them.
     void dispatchWindowLoadEvent();
 
     void addListenerType(ListenerType listenerType) { m_listenerTypes |= listenerType; }
     void addMutationEventListenerTypeIfEnabled(ListenerType);
 
     void didAssociateFormControlsTimerFired(Timer<Document>*);
@@ skipping 124 matching lines @@
     String m_xmlVersion;
     unsigned m_xmlStandalone : 2;
     unsigned m_hasXMLDeclaration : 1;
 
     AtomicString m_contentLanguage;
 
     DocumentEncodingData m_encodingData;
 
     InheritedBool m_designMode;
 
-    HashSet<LiveNodeListBase*> m_listsInvalidatedAtDocument;
+    WillBeHeapHashSet<RawPtrWillBeWeakMember<const LiveNodeListBase> > m_listsInvalidatedAtDocument;
+#if ENABLE(OILPAN)
+    // Oilpan keeps track of all registered NodeLists.
+    //
+    // FIXME: Oilpan: improve - only need to know if a NodeList
+    // is currently alive or not for the different types.
+    HeapHashSet<WeakMember<const LiveNodeListBase> > m_nodeLists[numNodeListInvalidationTypes];
+#else
     unsigned m_nodeListCounts[numNodeListInvalidationTypes];
+#endif
 
     OwnPtrWillBeMember<SVGDocumentExtensions> m_svgExtensions;
 
     Vector<AnnotatedRegionValue> m_annotatedRegions;
     bool m_hasAnnotatedRegions;
     bool m_annotatedRegionsDirty;
 
     WillBeHeapHashMap<String, RefPtrWillBeMember<HTMLCanvasElement> > m_cssCanvasElements;
 
     OwnPtr<SelectorQueryCache> m_selectorQueryCache;
@@ skipping 88 matching lines @@
 }
 
 inline bool Document::shouldOverrideLegacyDescription(ViewportDescription::Type origin)
 {
     // The different (legacy) meta tags have different priorities based on the type
     // regardless of which order they appear in the DOM. The priority is given by the
     // ViewportDescription::Type enum.
     return origin >= m_legacyViewportDescription.type;
 }
 
-inline void Document::incrementNodeListWithIdNameCacheCount()
-{
-    m_nodeListCounts[InvalidateOnIdNameAttrChange]++;
-}
-
-inline void Document::decrementNodeListWithIdNameCacheCount()
-{
-    ASSERT(m_nodeListCounts[InvalidateOnIdNameAttrChange] > 0);
-    m_nodeListCounts[InvalidateOnIdNameAttrChange]--;
-}
-
 inline void Document::scheduleRenderTreeUpdateIfNeeded()
 {
     // Inline early out to avoid the function calls below.
     if (hasPendingStyleRecalc())
         return;
     if (shouldScheduleRenderTreeUpdate() && needsRenderTreeUpdate())
         scheduleRenderTreeUpdate();
 }
 
 DEFINE_TYPE_CASTS(Document, ExecutionContextClient, client, client->isDocument(), client.isDocument());
@@ skipping 16 matching lines @@
 inline bool Node::isDocumentNode() const
 {
     return this == document();
 }
 
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace WebCore
 
 #endif // Document_h