gecko-dev/layout/style/nsICSSRule.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
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*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
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* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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#ifndef nsICSSRule_h___
#define nsICSSRule_h___
#include "nsIStyleRule.h"
class nsICSSStyleSheet;
class nsICSSGroupRule;
class nsIDOMCSSRule;
class nsAString;
// IID for the nsICSSRule interface {b9791e20-1a04-11d3-805a-006008159b5a}
#define NS_ICSS_RULE_IID \
{0xb9791e20, 0x1a04, 0x11d3, {0x80, 0x5a, 0x00, 0x60, 0x08, 0x15, 0x9b, 0x5a}}
class nsICSSRule : public nsIStyleRule {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_ICSS_RULE_IID)
enum {
UNKNOWN_RULE = 0,
STYLE_RULE = 1,
IMPORT_RULE = 2,
MEDIA_RULE = 3,
FONT_FACE_RULE = 4,
PAGE_RULE = 5,
CHARSET_RULE = 6,
NAMESPACE_RULE = 7,
DOCUMENT_RULE = 8
};
NS_IMETHOD GetType(PRInt32& aType) const = 0;
NS_IMETHOD GetStyleSheet(nsIStyleSheet*& aSheet) const = 0;
NS_IMETHOD SetStyleSheet(nsICSSStyleSheet* aSheet) = 0;
NS_IMETHOD SetParentRule(nsICSSGroupRule* aRule) = 0;
NS_IMETHOD Clone(nsICSSRule*& aClone) const = 0;
// Note that this returns null for inline style rules since they aren't
// supposed to have a DOM rule representation (and our code wouldn't work).
NS_IMETHOD GetDOMRule(nsIDOMCSSRule** aDOMRule) = 0;
};
/* Define global NS_New* functions for rules that don't need their own
interfaces here */
nsresult
NS_NewCSSCharsetRule(nsICSSRule** aInstancePtrResult,
const nsAString& aEncoding);
#endif /* nsICSSRule_h___ */