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nsICSSGroupRule.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
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00014  *
00015  * The Original Code is mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1999
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00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
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00036  * ***** END LICENSE BLOCK ***** */
00037 #ifndef nsICSSGroupRule_h___
00038 #define nsICSSGroupRule_h___
00039 
00040 #include "nsICSSRule.h"
00041 #include "nsISupportsArray.h"
00042 
00043 class nsIAtom;
00044 class nsPresContext;
00045 
00046 // IID for the nsICSSGroupRule interface {5af048aa-1af0-11d3-9d83-0060088f9ff7}
00047 #define NS_ICSS_GROUP_RULE_IID     \
00048 {0x5af048aa, 0x1af0, 0x11d3, {0x9d, 0x83, 0x00, 0x60, 0x08, 0x8f, 0x9f, 0xf7}}
00049 
00050 class nsICSSGroupRule : public nsICSSRule {
00051 public:
00052   NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICSS_GROUP_RULE_IID)
00053 
00054   NS_IMETHOD  AppendStyleRule(nsICSSRule* aRule) = 0;
00055 
00056   NS_IMETHOD  StyleRuleCount(PRInt32& aCount) const = 0;
00057   NS_IMETHOD  GetStyleRuleAt(PRInt32 aIndex, nsICSSRule*& aRule) const = 0;
00058 
00059   NS_IMETHOD  EnumerateRulesForwards(nsISupportsArrayEnumFunc aFunc, void * aData) const = 0;
00060 
00061   /*
00062    * The next three methods should never be called unless you have first
00063    * called WillDirty() on the parent stylesheet.  After they are
00064    * called, DidDirty() needs to be called on the sheet.
00065    */
00066   NS_IMETHOD  DeleteStyleRuleAt(PRUint32 aIndex) = 0;
00067   NS_IMETHOD  InsertStyleRulesAt(PRUint32 aIndex, nsISupportsArray* aRules) = 0;
00068   NS_IMETHOD  ReplaceStyleRule(nsICSSRule* aOld, nsICSSRule* aNew) = 0;
00069 
00070   NS_IMETHOD_(PRBool) UseForPresentation(nsPresContext* aPresContext) = 0;
00071    
00072 };
00073 
00074 #endif /* nsICSSGroupRule_h___ */