gecko-dev/layout/style/nsICSSGroupRule.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
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*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
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*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* internal interface representing CSS style rules that contain other
* rules, such as @media rules
*/
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#ifndef nsICSSGroupRule_h___
#define nsICSSGroupRule_h___
#include "nsICSSRule.h"
#include "nsCOMArray.h"
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class nsIAtom;
class nsPresContext;
class nsMediaQueryResultCacheKey;
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// IID for the nsICSSGroupRule interface {67b8492e-6d8d-43a5-8037-71eb269f24fe}
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#define NS_ICSS_GROUP_RULE_IID \
{0x67b8492e, 0x6d8d, 0x43a5, {0x80, 0x37, 0x71, 0xeb, 0x26, 0x9f, 0x24, 0xfe}}
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class nsICSSGroupRule : public nsICSSRule {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_ICSS_GROUP_RULE_IID)
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NS_IMETHOD AppendStyleRule(nsICSSRule* aRule) = 0;
NS_IMETHOD StyleRuleCount(PRInt32& aCount) const = 0;
NS_IMETHOD GetStyleRuleAt(PRInt32 aIndex, nsICSSRule*& aRule) const = 0;
typedef nsCOMArray<nsICSSRule>::nsCOMArrayEnumFunc RuleEnumFunc;
NS_IMETHOD_(PRBool) EnumerateRulesForwards(RuleEnumFunc aFunc, void * aData) const = 0;
/*
* The next three methods should never be called unless you have first
* called WillDirty() on the parent stylesheet. After they are
* called, DidDirty() needs to be called on the sheet.
*/
NS_IMETHOD DeleteStyleRuleAt(PRUint32 aIndex) = 0;
NS_IMETHOD InsertStyleRulesAt(PRUint32 aIndex,
nsCOMArray<nsICSSRule>& aRules) = 0;
NS_IMETHOD ReplaceStyleRule(nsICSSRule* aOld, nsICSSRule* aNew) = 0;
NS_IMETHOD_(PRBool) UseForPresentation(nsPresContext* aPresContext,
nsMediaQueryResultCacheKey& aKey) = 0;
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};
NS_DEFINE_STATIC_IID_ACCESSOR(nsICSSGroupRule, NS_ICSS_GROUP_RULE_IID)
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#endif /* nsICSSGroupRule_h___ */