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