102 lines
3.7 KiB
C++
102 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIHTMLContent_h___
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#define nsIHTMLContent_h___
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#include "nsIContent.h"
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#include "nsHTMLValue.h"
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class nsString;
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class nsIFrame;
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class nsISupportsArray;
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class nsIStyleRule;
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class nsIStyleContext;
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class nsIPresContext;
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class nsXIFConverter;
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class nsIHTMLAttributes;
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// IID for the nsIHTMLContent class
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#define NS_IHTMLCONTENT_IID \
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{ 0xb9e110b0, 0x94d6, 0x11d1, \
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{0x89, 0x5c, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
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typedef void (*nsMapAttributesFunc)(nsIHTMLAttributes* aAttributes,
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nsIStyleContext* aContext,
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nsIPresContext* aPresContext);
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// Abstract interface for all html content
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class nsIHTMLContent : public nsIContent {
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public:
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/**
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* If this html content is a container, then compact asks it to minimize
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* it's storage usage.
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*/
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NS_IMETHOD Compact() = 0;
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NS_IMETHOD SetAttribute(const nsString& aName, const nsString& aValue,
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PRBool aNotify) = 0;
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NS_IMETHOD SetAttribute(nsIAtom* aAttribute, const nsString& aValue,
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PRBool aNotify) = 0;
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NS_IMETHOD SetAttribute(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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PRBool aNotify) = 0;
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NS_IMETHOD UnsetAttribute(nsIAtom* aAttribute, PRBool aNotify) = 0;
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NS_IMETHOD GetAttribute(const nsString& aName,
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nsString& aResult) const = 0;
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NS_IMETHOD GetAttribute(nsIAtom *aAttribute,
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nsString &aResult) const = 0;
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NS_IMETHOD GetAttribute(nsIAtom* aAttribute,
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nsHTMLValue& aValue) const = 0;
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NS_IMETHOD GetAllAttributeNames(nsISupportsArray* aArray,
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PRInt32& aCountResult) const = 0;
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NS_IMETHOD GetAttributeCount(PRInt32& aCountResult) const = 0;
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NS_IMETHOD GetAttributeMappingFunction(nsMapAttributesFunc& aMapFunc) const = 0;
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NS_IMETHOD SetID(nsIAtom* aID) = 0;
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NS_IMETHOD GetID(nsIAtom*& aResult) const = 0;
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// XXX this will have to change for CSS2
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NS_IMETHOD SetClass(nsIAtom* aClass) = 0;
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// XXX this will have to change for CSS2
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NS_IMETHOD GetClass(nsIAtom*& aResult) const = 0;
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NS_IMETHOD GetStyleRule(nsIStyleRule*& aResult) = 0;
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NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
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nsHTMLValue& aValue,
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nsString& aResult) const = 0;
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NS_IMETHOD StringToAttribute(nsIAtom* aAttribute,
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const nsString& aValue,
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nsHTMLValue& aResult) = 0;
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/**
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* Translate this piece of content to html. Note that this only
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* translates this content object, not any children it might
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* have. The caller is responsible for recursing down the
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* hierarchy.
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*/
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// XXX add in output character set information so that we know how
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// to encode non 7 bit characters
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NS_IMETHOD ToHTMLString(nsString& aResult) const = 0;
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NS_IMETHOD ToHTML(FILE* out) const = 0;
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};
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#endif /* nsIHTMLContent_h___ */
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