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69 lines
2.7 KiB
C++
69 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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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 "nslayout.h"
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#include "nsISupports.h"
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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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// 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 supports array with nsIStyleRule*
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// rules are ordered, those with higher precedence come last
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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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nsISupportsArray* aResults) = 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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nsISupportsArray* aResults) = 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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};
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#endif /* nsIStyleRuleProcessor_h___ */
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