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Mozilla/mozilla/layout/html/base/src/nsHTMLContainer.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsHTMLContainer_h___
#define nsHTMLContainer_h___
#include "nsHTMLTagContent.h"
#include "nsVoidArray.h"
// Generic HTML container class. This code manages an array of
// children nodes that can be any kind of nsIContent
class nsHTMLContainer : public nsHTMLTagContent {
public:
nsHTMLContainer(nsIAtom* aTag);
NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler) const;
virtual PRBool CanContainChildren() const;
virtual PRInt32 ChildCount() const;
virtual nsIContent* ChildAt(PRInt32 aIndex) const;
virtual PRInt32 IndexOf(nsIContent* aPossibleChild) const;
NS_IMETHOD InsertChildAt(nsIContent* aKid, PRInt32 aIndex, PRBool aNotify);
NS_IMETHOD ReplaceChildAt(nsIContent* aKid, PRInt32 aIndex, PRBool aNotify);
NS_IMETHOD AppendChild(nsIContent* aKid, PRBool aNotify);
NS_IMETHOD RemoveChildAt(PRInt32 aIndex, PRBool aNotify);
virtual void Compact();
virtual nsresult CreateFrame(nsIPresContext* aPresContext,
nsIFrame* aParentFrame,
nsIStyleContext* aStyleContext,
nsIFrame*& aResult);
virtual void SetAttribute(nsIAtom* aAttribute, const nsString& aValue);
virtual void MapAttributesInto(nsIStyleContext* aContext,
nsIPresContext* aPresContext);
NS_IMETHOD GetChildNodes(nsIDOMNodeIterator **aIterator);
NS_IMETHOD HasChildNodes(PRBool *aReturn);
NS_IMETHOD GetFirstChild(nsIDOMNode **aNode);
NS_IMETHOD InsertBefore(nsIDOMNode *newChild, nsIDOMNode *refChild);
NS_IMETHOD ReplaceChild(nsIDOMNode *newChild,
nsIDOMNode *oldChild);
NS_IMETHOD RemoveChild(nsIDOMNode *oldChild);
protected:
nsHTMLContainer();
virtual ~nsHTMLContainer();
void SizeOfWithoutThis(nsISizeOfHandler* aHandler) const;
virtual nsContentAttr AttributeToString(nsIAtom* aAttribute,
nsHTMLValue& aValue,
nsString& aResult) const;
/**
* Helper method that maps "background" and "bgcolor" into
* the style context.
*/
void MapBackgroundAttributesInto(nsIStyleContext* aContext,
nsIPresContext* aPresContext);
nsVoidArray mChildren;
};
#endif /* nsHTMLContainer_h___ */