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100 lines
3.8 KiB
C++
100 lines
3.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIStyledContent_h___
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#define nsIStyledContent_h___
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#include "nsIContent.h"
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#include "nsChangeHint.h"
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class nsString;
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class nsICSSStyleRule;
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class nsISupportsArray;
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class nsRuleWalker;
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class nsAttrValue;
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// IID for the nsIStyledContent class
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#define NS_ISTYLEDCONTENT_IID \
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{ 0xa7b53093, 0x3516, 0x4392, { 0xb3, 0x3e, 0x12, 0xc0, 0x0d, 0xe7, 0x85, 0xaa } };
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// Abstract interface for all styled content (that supports ID, CLASS, STYLE, and
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// the ability to specify style hints on an attribute change).
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class nsIStyledContent : public nsIContent {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISTYLEDCONTENT_IID)
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// XXX Currently callers (e.g., CSSStyleSheetImpl) assume that the ID
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// corresponds to the attribute nsHTMLAtoms::id and that the Class
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// corresponds to the attribute nsHTMLAtoms::kClass. If this becomes
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// incorrect, then new methods need to be added here.
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virtual nsIAtom* GetID() const = 0;
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virtual const nsAttrValue* GetClasses() const = 0;
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NS_IMETHOD_(PRBool) HasClass(nsIAtom* aClass, PRBool aCaseSensitive) const = 0;
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NS_IMETHOD WalkContentStyleRules(nsRuleWalker* aRuleWalker) = 0;
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virtual nsICSSStyleRule* GetInlineStyleRule() = 0;
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NS_IMETHOD SetInlineStyleRule(nsICSSStyleRule* aStyleRule, PRBool aNotify) = 0;
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/**
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* Is the attribute named stored in the mapped attributes?
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*
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* This really belongs on nsIHTMLContent instead.
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*/
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NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const = 0;
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/**
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* Get a hint that tells the style system what to do when
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* an attribute on this node changes, if something needs to happen
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* in response to the change *other* than the result of what is
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* mapped into style data via any type of style rule.
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*/
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virtual nsChangeHint GetAttributeChangeHint(const nsIAtom* aAttribute,
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PRInt32 aModType) const = 0;
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/**
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* Returns an atom holding the name of the "class" attribute on this
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* content node (if applicable). Returns null for non-element
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* content nodes.
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*/
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virtual nsIAtom *GetClassAttributeName() const = 0;
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};
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#endif /* nsIStyledContent_h___ */
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