pjs/layout/style/nsCSSRule.cpp

98 строки
2.9 KiB
C++

/* -*- 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 ***** */
/* base class for all rule types in a CSS style sheet */
#include "nsCSSRule.h"
#include "nsCRT.h"
#include "nsCSSStyleSheet.h"
nsCSSRule::nsCSSRule(void)
: mSheet(nsnull),
mParentRule(nsnull)
{
}
nsCSSRule::nsCSSRule(const nsCSSRule& aCopy)
: 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(nsCSSStyleSheet* 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;
}
/* virtual */ void
nsCSSRule::MapRuleInfoInto(nsRuleData* aRuleData)
{
// The nsIStyleRule contract is not appropriate for all CSS rules.
NS_NOTREACHED("nsCSSRule::MapRuleInfoInto");
}