зеркало из https://github.com/mozilla/gecko-dev.git
97 строки
3.9 KiB
C++
97 строки
3.9 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIStyleRuleProcessor_h___
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#define nsIStyleRuleProcessor_h___
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#include <stdio.h>
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#include "nsISupports.h"
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class nsISizeOfHandler;
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class nsIStyleSheet;
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class nsIStyleContext;
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class nsIPresContext;
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class nsIContent;
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class nsISupportsArray;
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class nsIAtom;
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class nsICSSPseudoComparator;
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class nsRuleWalker;
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// IID for the nsIStyleRuleProcessor interface {015575fe-7b6c-11d3-ba05-001083023c2b}
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#define NS_ISTYLE_RULE_PROCESSOR_IID \
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{0x015575fe, 0x7b6c, 0x11d3, {0xba, 0x05, 0x00, 0x10, 0x83, 0x02, 0x3c, 0x2b}}
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/* The style rule processor interface is a mechanism to seperate the matching
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* of style rules from style sheet instances.
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* Simple style sheets can and will act as their own processor.
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* Sheets where rule ordering interlaces between multiple sheets, will need to
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* share a single rule processor between them (CSS sheets do this for cascading order)
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*/
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class nsIStyleRuleProcessor : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_ISTYLE_RULE_PROCESSOR_IID; return iid; }
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// populate rule node tree with nsIStyleRule*
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// rules are ordered, those with higher precedence are farthest from the root of the tree
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NS_IMETHOD RulesMatching(nsIPresContext* aPresContext,
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nsIAtom* aMedium,
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nsIContent* aContent,
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nsIStyleContext* aParentContext,
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nsRuleWalker* aRuleWalker) = 0;
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NS_IMETHOD RulesMatching(nsIPresContext* aPresContext,
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nsIAtom* aMedium,
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nsIContent* aParentContent,
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nsIAtom* aPseudoTag,
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nsIStyleContext* aParentContext,
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nsICSSPseudoComparator* aComparator,
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nsRuleWalker* aRuleWalker) = 0;
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// Test if style is dependent on content state
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NS_IMETHOD HasStateDependentStyle(nsIPresContext* aPresContext,
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nsIAtom* aMedium,
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nsIContent* aContent) = 0;
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#ifdef DEBUG
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virtual void SizeOf(nsISizeOfHandler *aSizeofHandler, PRUint32 &aSize) = 0;
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#endif
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};
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#endif /* nsIStyleRuleProcessor_h___ */
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