mirror of
https://github.com/rn10950/RetroZilla.git
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89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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// vim:cindent:tabstop=2:expandtab:shiftwidth=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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* L. David Baron <dbaron@dbaron.org>
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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 nsCSSRuleProcessor_h_
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#define nsCSSRuleProcessor_h_
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#include "nsIStyleRuleProcessor.h"
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struct RuleCascadeData;
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class nsICSSStyleSheet;
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/**
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* The CSS style rule processor provides a mechanism for sibling style
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* sheets to combine their rule processing in order to allow proper
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* cascading to happen.
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*
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* CSS style rule processors keep a live reference on all style sheets
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* bound to them. The CSS style sheets keep a weak reference to all the
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* processors that they are bound to (many to many). The CSS style sheet
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* is told when the rule processor is going away (via DropRuleProcessor).
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*/
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class nsCSSRuleProcessor: public nsIStyleRuleProcessor {
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public:
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nsCSSRuleProcessor(const nsCOMArray<nsICSSStyleSheet>& aSheets);
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virtual ~nsCSSRuleProcessor();
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NS_DECL_ISUPPORTS
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public:
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nsresult ClearRuleCascades();
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// nsIStyleRuleProcessor
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NS_IMETHOD RulesMatching(ElementRuleProcessorData* aData);
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NS_IMETHOD RulesMatching(PseudoRuleProcessorData* aData);
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NS_IMETHOD HasStateDependentStyle(StateRuleProcessorData* aData,
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nsReStyleHint* aResult);
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NS_IMETHOD HasAttributeDependentStyle(AttributeRuleProcessorData* aData,
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nsReStyleHint* aResult);
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protected:
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RuleCascadeData* GetRuleCascade(nsPresContext* aPresContext);
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nsCOMArray<nsICSSStyleSheet> mSheets;
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RuleCascadeData* mRuleCascades;
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};
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#endif /* nsCSSRuleProcessor_h_ */
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