/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- * * The contents of this file are subject to the Netscape Public License * Version 1.0 (the "NPL"); you may not use this file except in * compliance with the NPL. You may obtain a copy of the NPL at * http://www.mozilla.org/NPL/ * * Software distributed under the NPL is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL * for the specific language governing rights and limitations under the * NPL. * * The Initial Developer of this code under the NPL is Netscape * Communications Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All Rights * Reserved. */ #ifndef nsIStyleRule_h___ #define nsIStyleRule_h___ #include #include "nslayout.h" #include "nsISupports.h" class nsIStyleSheet; class nsIStyleContext; class nsIPresContext; class nsIContent; // IID for the nsIStyleRule interface {40ae5c90-ad6a-11d1-8031-006008159b5a} #define NS_ISTYLE_RULE_IID \ {0x40ae5c90, 0xad6a, 0x11d1, {0x80, 0x31, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}} class nsIStyleRule : public nsISupports { public: static const nsIID& IID() { static nsIID iid = NS_ISTYLE_RULE_IID; return iid; } NS_IMETHOD Equals(const nsIStyleRule* aRule, PRBool& aResult) const = 0; NS_IMETHOD HashValue(PRUint32& aValue) const = 0; NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const = 0; // Strength is an out-of-band weighting, useful for mapping CSS ! important NS_IMETHOD GetStrength(PRInt32& aStrength) const = 0; NS_IMETHOD MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext) = 0; NS_IMETHOD List(FILE* out = stdout, PRInt32 aIndent = 0) const = 0; }; #endif /* nsIStyleRule_h___ */