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98 lines
4.3 KiB
C++
98 lines
4.3 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 nsStyleSet_h___
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#define nsStyleSet_h___
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#include <stdio.h>
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#include "nsISupports.h"
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#include "nslayout.h"
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class nsIAtom;
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class nsIStyleMolecule;
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class nsIStyleRule;
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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 nsIFrame;
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// IID for the nsIStyleSet interface {e59396b0-b244-11d1-8031-006008159b5a}
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#define NS_ISTYLE_SET_IID \
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{0xe59396b0, 0xb244, 0x11d1, {0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
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class nsIStyleSet : public nsISupports {
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public:
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virtual void AppendOverrideStyleSheet(nsIStyleSheet* aSheet) = 0;
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virtual void InsertOverrideStyleSheetAfter(nsIStyleSheet* aSheet,
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nsIStyleSheet* aAfterSheet) = 0;
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virtual void InsertOverrideStyleSheetBefore(nsIStyleSheet* aSheet,
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nsIStyleSheet* aBeforeSheet) = 0;
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virtual void RemoveOverrideStyleSheet(nsIStyleSheet* aSheet) = 0;
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virtual PRInt32 GetNumberOfOverrideStyleSheets() = 0;
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virtual nsIStyleSheet* GetOverrideStyleSheetAt(PRInt32 aIndex) = 0;
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virtual void AppendDocStyleSheet(nsIStyleSheet* aSheet) = 0;
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virtual void InsertDocStyleSheetAfter(nsIStyleSheet* aSheet,
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nsIStyleSheet* aAfterSheet) = 0;
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virtual void InsertDocStyleSheetBefore(nsIStyleSheet* aSheet,
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nsIStyleSheet* aBeforeSheet) = 0;
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virtual void RemoveDocStyleSheet(nsIStyleSheet* aSheet) = 0;
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virtual PRInt32 GetNumberOfDocStyleSheets() = 0;
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virtual nsIStyleSheet* GetDocStyleSheetAt(PRInt32 aIndex) = 0;
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virtual void AppendBackstopStyleSheet(nsIStyleSheet* aSheet) = 0;
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virtual void InsertBackstopStyleSheetAfter(nsIStyleSheet* aSheet,
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nsIStyleSheet* aAfterSheet) = 0;
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virtual void InsertBackstopStyleSheetBefore(nsIStyleSheet* aSheet,
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nsIStyleSheet* aBeforeSheet) = 0;
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virtual void RemoveBackstopStyleSheet(nsIStyleSheet* aSheet) = 0;
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virtual PRInt32 GetNumberOfBackstopStyleSheets() = 0;
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virtual nsIStyleSheet* GetBackstopStyleSheetAt(PRInt32 aIndex) = 0;
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// get a style context for a non-pseudo frame
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virtual nsIStyleContext* ResolveStyleFor(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParentFrame,
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PRBool aForceUnique = PR_FALSE) = 0;
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// get a style context for a pseudo-frame (ie: tag = NS_NewAtom(":FIRST-LINE");
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virtual nsIStyleContext* ResolvePseudoStyleFor(nsIPresContext* aPresContext,
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nsIAtom* aPseudoTag,
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nsIFrame* aParentFrame,
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PRBool aForceUnique = PR_FALSE) = 0;
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// This funtions just like ResolvePseudoStyleFor except that it will
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// return nsnull if there are no explicit style rules for that
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// pseudo element
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virtual nsIStyleContext* ProbePseudoStyleFor(nsIPresContext* aPresContext,
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nsIAtom* aPseudoTag,
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nsIFrame* aParentFrame,
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PRBool aForceUnique = PR_FALSE) = 0;
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// xxx style rules enumeration
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virtual void List(FILE* out = stdout, PRInt32 aIndent = 0) = 0;
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virtual void ListContexts(nsIStyleContext* aRootContext, FILE* out = stdout, PRInt32 aIndent = 0) = 0;
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};
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extern NS_LAYOUT nsresult
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NS_NewStyleSet(nsIStyleSet** aInstancePtrResult);
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#endif /* nsIStyleSet_h___ */
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