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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
 *
 * 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
 * http://www.mozilla.org/MPL/
 *
 * 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.
 *
 * 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.
 *
 * 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
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
#include "nsCSSRule.h"
#include "nsCRT.h"
#include "nsICSSStyleSheet.h"

nsCSSRule::nsCSSRule(void)
  : mRefCnt(0),
    mSheet(nsnull),
    mParentRule(nsnull)
{
}

nsCSSRule::nsCSSRule(const nsCSSRule& aCopy)
  : mRefCnt(0),
    mSheet(aCopy.mSheet),
    mParentRule(aCopy.mParentRule)
{
}


nsCSSRule::~nsCSSRule(void)
{
}

NS_IMPL_ADDREF(nsCSSRule)
NS_IMPL_RELEASE(nsCSSRule)

NS_IMETHODIMP
nsCSSRule::GetStyleSheet(nsIStyleSheet*& aSheet) const
{
  NS_IF_ADDREF(mSheet);
  aSheet = mSheet;
  return NS_OK;
}

NS_IMETHODIMP
nsCSSRule::SetStyleSheet(nsICSSStyleSheet* aSheet)
{
  // We don't reference count this up reference. The style sheet
  // will tell us when it's going away or when we're detached from
  // it.
  mSheet = aSheet;
  return NS_OK;
}

NS_IMETHODIMP
nsCSSRule::SetParentRule(nsICSSGroupRule* aRule)
{
  // We don't reference count this up reference. The group rule
  // will tell us when it's going away or when we're detached from
  // it.
  mParentRule = aRule;
  return NS_OK;
}

NS_IMETHODIMP
nsCSSRule::MapRuleInfoInto(nsRuleData* aRuleData)
{
  // The nsIStyleRule contract is not appropriate for all CSS rules.
  NS_NOTREACHED("nsCSSRule::MapRuleInfoInto");
  return NS_OK;
}