diff -r 000000000000 -r 4f2f89ce4247 WebCore/dom/ContainerNode.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/dom/ContainerNode.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2009 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef ContainerNode_h
+#define ContainerNode_h
+
+#include "Node.h"
+#include "FloatPoint.h"
+
+namespace WebCore {
+    
+typedef void (*NodeCallback)(Node*);
+
+namespace Private { 
+    template<class GenericNode, class GenericNodeContainer>
+    void addChildNodesToDeletionQueue(GenericNode*& head, GenericNode*& tail, GenericNodeContainer* container);
+};
+
+class ContainerNode : public Node {
+public:
+    virtual ~ContainerNode();
+
+    Node* firstChild() const { return m_firstChild; }
+    Node* lastChild() const { return m_lastChild; }
+
+    virtual bool insertBefore(PassRefPtr<Node> newChild, Node* refChild, ExceptionCode&, bool shouldLazyAttach = false);
+    virtual bool replaceChild(PassRefPtr<Node> newChild, Node* oldChild, ExceptionCode&, bool shouldLazyAttach = false);
+    virtual bool removeChild(Node* child, ExceptionCode&);
+    virtual bool appendChild(PassRefPtr<Node> newChild, ExceptionCode&, bool shouldLazyAttach = false);
+
+    virtual ContainerNode* legacyParserAddChild(PassRefPtr<Node>);
+    virtual void parserAddChild(PassRefPtr<Node>);
+
+    bool hasChildNodes() const { return m_firstChild; }
+    virtual void attach();
+    virtual void detach();
+    virtual void willRemove();
+    virtual IntRect getRect() const;
+    virtual void setFocus(bool = true);
+    virtual void setActive(bool active = true, bool pause = false);
+    virtual void setHovered(bool = true);
+    unsigned childNodeCount() const;
+    Node* childNode(unsigned index) const;
+
+    virtual void insertedIntoDocument();
+    virtual void removedFromDocument();
+    virtual void insertedIntoTree(bool deep);
+    virtual void removedFromTree(bool deep);
+    virtual void childrenChanged(bool createdByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
+
+    virtual bool removeChildren();
+
+    void removeAllChildren();
+
+    void cloneChildNodes(ContainerNode* clone);
+    
+    bool dispatchBeforeLoadEvent(const String& sourceURL);
+
+    static void queuePostAttachCallback(NodeCallback, Node*);
+    static bool postAttachCallbacksAreSuspended();
+    
+protected:
+    ContainerNode(Document*, ConstructionType = CreateContainer);
+
+    void suspendPostAttachCallbacks();
+    void resumePostAttachCallbacks();
+
+    template<class GenericNode, class GenericNodeContainer>
+    friend void appendChildToContainer(GenericNode* child, GenericNodeContainer* container);
+
+    template<class GenericNode, class GenericNodeContainer>
+    friend void Private::addChildNodesToDeletionQueue(GenericNode*& head, GenericNode*& tail, GenericNodeContainer* container);
+
+    void setFirstChild(Node* child) { m_firstChild = child; }
+    void setLastChild(Node* child) { m_lastChild = child; }
+
+private:
+    // FIXME: This should take a PassRefPtr.
+    void addChildCommon(Node*);
+
+    static void dispatchPostAttachCallbacks();
+
+    bool getUpperLeftCorner(FloatPoint&) const;
+    bool getLowerRightCorner(FloatPoint&) const;
+
+    Node* m_firstChild;
+    Node* m_lastChild;
+};
+
+inline ContainerNode::ContainerNode(Document* document, ConstructionType type)
+    : Node(document, type)
+    , m_firstChild(0)
+    , m_lastChild(0)
+{
+}
+
+inline unsigned Node::containerChildNodeCount() const
+{
+    ASSERT(isContainerNode());
+    return static_cast<const ContainerNode*>(this)->childNodeCount();
+}
+
+inline Node* Node::containerChildNode(unsigned index) const
+{
+    ASSERT(isContainerNode());
+    return static_cast<const ContainerNode*>(this)->childNode(index);
+}
+
+inline Node* Node::containerFirstChild() const
+{
+    ASSERT(isContainerNode());
+    return static_cast<const ContainerNode*>(this)->firstChild();
+}
+
+inline Node* Node::containerLastChild() const
+{
+    ASSERT(isContainerNode());
+    return static_cast<const ContainerNode*>(this)->lastChild();
+}
+
+} // namespace WebCore
+
+#endif // ContainerNode_h