pjs/layout/style/nsIStyleRule.h

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/* -*- 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 <stdio.h>
#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___ */