Mozilla/mozilla/layout/html/base/src/nsIHTMLContent.h
kipp%netscape.com 0a83117a07 Updated UnsetAttribute to have a notification flag
git-svn-id: svn://10.0.0.236/trunk@10961 18797224-902f-48f8-a5cc-f745e15eee43
1998-09-24 21:33:56 +00:00

102 lines
3.7 KiB
C++

/* -*- 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 nsIHTMLContent_h___
#define nsIHTMLContent_h___
#include "nsIContent.h"
#include "nsHTMLValue.h"
class nsString;
class nsIFrame;
class nsISupportsArray;
class nsIStyleRule;
class nsIStyleContext;
class nsIPresContext;
class nsXIFConverter;
class nsIHTMLAttributes;
// IID for the nsIHTMLContent class
#define NS_IHTMLCONTENT_IID \
{ 0xb9e110b0, 0x94d6, 0x11d1, \
{0x89, 0x5c, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
typedef void (*nsMapAttributesFunc)(nsIHTMLAttributes* aAttributes,
nsIStyleContext* aContext,
nsIPresContext* aPresContext);
// Abstract interface for all html content
class nsIHTMLContent : public nsIContent {
public:
/**
* If this html content is a container, then compact asks it to minimize
* it's storage usage.
*/
NS_IMETHOD Compact() = 0;
NS_IMETHOD SetAttribute(const nsString& aName, const nsString& aValue,
PRBool aNotify) = 0;
NS_IMETHOD SetAttribute(nsIAtom* aAttribute, const nsString& aValue,
PRBool aNotify) = 0;
NS_IMETHOD SetAttribute(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
PRBool aNotify) = 0;
NS_IMETHOD UnsetAttribute(nsIAtom* aAttribute, PRBool aNotify) = 0;
NS_IMETHOD GetAttribute(const nsString& aName,
nsString& aResult) const = 0;
NS_IMETHOD GetAttribute(nsIAtom *aAttribute,
nsString &aResult) const = 0;
NS_IMETHOD GetAttribute(nsIAtom* aAttribute,
nsHTMLValue& aValue) const = 0;
NS_IMETHOD GetAllAttributeNames(nsISupportsArray* aArray,
PRInt32& aCountResult) const = 0;
NS_IMETHOD GetAttributeCount(PRInt32& aCountResult) const = 0;
NS_IMETHOD GetAttributeMappingFunction(nsMapAttributesFunc& aMapFunc) const = 0;
NS_IMETHOD SetID(nsIAtom* aID) = 0;
NS_IMETHOD GetID(nsIAtom*& aResult) const = 0;
// XXX this will have to change for CSS2
NS_IMETHOD SetClass(nsIAtom* aClass) = 0;
// XXX this will have to change for CSS2
NS_IMETHOD GetClass(nsIAtom*& aResult) const = 0;
NS_IMETHOD GetStyleRule(nsIStyleRule*& aResult) = 0;
NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
nsHTMLValue& aValue,
nsString& aResult) const = 0;
NS_IMETHOD StringToAttribute(nsIAtom* aAttribute,
const nsString& aValue,
nsHTMLValue& aResult) = 0;
/**
* Translate this piece of content to html. Note that this only
* translates this content object, not any children it might
* have. The caller is responsible for recursing down the
* hierarchy.
*/
// XXX add in output character set information so that we know how
// to encode non 7 bit characters
NS_IMETHOD ToHTMLString(nsString& aResult) const = 0;
NS_IMETHOD ToHTML(FILE* out) const = 0;
};
#endif /* nsIHTMLContent_h___ */