Mozilla/mozilla/layout/html/base/src/nsIHTMLContent.h
dmose%mozilla.org 92d791b7b0 updated license boilerplate to xPL 1.1, a=chofmann@netscape.com,r=endico@mozilla.org
git-svn-id: svn://10.0.0.236/trunk@52908 18797224-902f-48f8-a5cc-f745e15eee43
1999-11-06 03:40:37 +00:00

103 lines
3.5 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 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIHTMLContent_h___
#define nsIHTMLContent_h___
#include "nsIStyledContent.h"
#include "nsHTMLValue.h"
class nsString;
class nsIFrame;
class nsIStyleRule;
class nsIMutableStyleContext;
class nsIPresContext;
class nsXIFConverter;
class nsIHTMLMappedAttributes;
class nsIURI;
// IID for the nsIHTMLContent class
#define NS_IHTMLCONTENT_IID \
{ 0xb9e110b0, 0x94d6, 0x11d1, \
{0x89, 0x5c, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
typedef void (*nsMapAttributesFunc)(const nsIHTMLMappedAttributes* aAttributes,
nsIMutableStyleContext* aContext,
nsIPresContext* aPresContext);
// Abstract interface for all html content
class nsIHTMLContent : public nsIStyledContent {
public:
static const nsIID& GetIID() { static nsIID iid = NS_IHTMLCONTENT_IID; return iid; }
/**
* If this html content is a container, then compact asks it to minimize
* it's storage usage.
*/
NS_IMETHOD Compact() = 0;
NS_IMETHOD SetHTMLAttribute(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
PRBool aNotify) = 0;
NS_IMETHOD GetHTMLAttribute(nsIAtom* aAttribute,
nsHTMLValue& aValue) const = 0;
NS_IMETHOD GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
nsMapAttributesFunc& aMapFunc) const = 0;
NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
const nsHTMLValue& aValue,
nsString& aResult) const = 0;
NS_IMETHOD StringToAttribute(nsIAtom* aAttribute,
const nsString& aValue,
nsHTMLValue& aResult) = 0;
/**
* Get the base URL for any relative URLs within this piece
* of content. Generally, this is the document's base URL,
* but certain content carries a local base for backward
* compatibility.
*/
NS_IMETHOD GetBaseURL(nsIURI*& aBaseURL) const = 0;
/**
* Get the base target for any links within this piece
* of content. Generally, this is the document's base target,
* but certain content carries a local base for backward
* compatibility.
*/
NS_IMETHOD GetBaseTarget(nsString& aBaseTarget) const = 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___ */