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lightning-sunbird  0.9+nobinonly
nsCSSRuleProcessor.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 // vim:cindent:tabstop=2:expandtab:shiftwidth=2:
00003 /* ***** BEGIN LICENSE BLOCK *****
00004  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00005  *
00006  * The contents of this file are subject to the Mozilla Public License Version
00007  * 1.1 (the "License"); you may not use this file except in compliance with
00008  * the License. You may obtain a copy of the License at
00009  * http://www.mozilla.org/MPL/
00010  *
00011  * Software distributed under the License is distributed on an "AS IS" basis,
00012  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00013  * for the specific language governing rights and limitations under the
00014  * License.
00015  *
00016  * The Original Code is mozilla.org code.
00017  *
00018  * The Initial Developer of the Original Code is
00019  * Netscape Communications Corporation.
00020  * Portions created by the Initial Developer are Copyright (C) 1998
00021  * the Initial Developer. All Rights Reserved.
00022  *
00023  * Contributor(s):
00024  *   L. David Baron <dbaron@dbaron.org>
00025  *
00026  * Alternatively, the contents of this file may be used under the terms of
00027  * either of the GNU General Public License Version 2 or later (the "GPL"),
00028  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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00038  * ***** END LICENSE BLOCK ***** */
00039 
00040 #ifndef nsCSSRuleProcessor_h_
00041 #define nsCSSRuleProcessor_h_
00042 
00043 #include "nsIStyleRuleProcessor.h"
00044 
00045 struct RuleCascadeData;
00046 class nsICSSStyleSheet;
00047 
00059 class nsCSSRuleProcessor: public nsIStyleRuleProcessor {
00060 public:
00061   nsCSSRuleProcessor(const nsCOMArray<nsICSSStyleSheet>& aSheets);
00062   virtual ~nsCSSRuleProcessor();
00063 
00064   NS_DECL_ISUPPORTS
00065 
00066 public:
00067   nsresult ClearRuleCascades();
00068 
00069   // nsIStyleRuleProcessor
00070   NS_IMETHOD RulesMatching(ElementRuleProcessorData* aData);
00071 
00072   NS_IMETHOD RulesMatching(PseudoRuleProcessorData* aData);
00073 
00074   NS_IMETHOD HasStateDependentStyle(StateRuleProcessorData* aData,
00075                                     nsReStyleHint* aResult);
00076 
00077   NS_IMETHOD HasAttributeDependentStyle(AttributeRuleProcessorData* aData,
00078                                         nsReStyleHint* aResult);
00079 
00080 protected:
00081   RuleCascadeData* GetRuleCascade(nsPresContext* aPresContext);
00082 
00083   nsCOMArray<nsICSSStyleSheet> mSheets;
00084 
00085   RuleCascadeData* mRuleCascades;
00086 };
00087 
00088 #endif /* nsCSSRuleProcessor_h_ */