/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape 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/NPL/
 *
 * 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 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 NPL, 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 NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
#include "nsCSSRule.h"
#include "nsCRT.h"
#include "nsIArena.h"
#include "nsICSSStyleSheet.h"

void* nsCSSRule::operator new(size_t size) CPP_THROW_NEW
{
  nsCSSRule* rv = (nsCSSRule*) ::operator new(size);
#ifdef NS_DEBUG
  if (nsnull != rv) {
    memset(rv, 0xEE, size);
  }
#endif
  rv->mInHeap = 1;
  return (void*) rv;
}

void* nsCSSRule::operator new(size_t size, nsIArena* aArena) CPP_THROW_NEW
{
  nsCSSRule* rv = (nsCSSRule*) aArena->Alloc(PRInt32(size));
#ifdef NS_DEBUG
  if (nsnull != rv) {
    memset(rv, 0xEE, size);
  }
#endif
  rv->mInHeap = 0;
  return (void*) rv;
}

void nsCSSRule::operator delete(void* ptr)
{
  nsCSSRule* rule = (nsCSSRule*) ptr;
  if (nsnull != rule) {
    if (rule->mInHeap) {
      ::operator delete(ptr);
    }
  }
}

nsCSSRule::nsCSSRule(void)
  : mSheet(nsnull),
    mParentRule(nsnull)
{
  NS_INIT_REFCNT();
}

nsCSSRule::nsCSSRule(const nsCSSRule& aCopy)
  : mSheet(aCopy.mSheet),
    mParentRule(aCopy.mParentRule)
{
  NS_INIT_REFCNT();
}


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::GetStrength(PRInt32& aStrength) const
{
  aStrength = 0;
  return NS_OK;
}

NS_IMETHODIMP
nsCSSRule::MapRuleInfoInto(nsRuleData* aRuleData)
{
  return NS_OK;
}