gecko-dev/layout/style/nsCSSRule.cpp

134 строки
3.5 KiB
C++

/* -*- 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
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#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)
: mRefCnt(0),
mSheet(nsnull),
mParentRule(nsnull)
{
NS_INIT_ISUPPORTS();
}
nsCSSRule::nsCSSRule(const nsCSSRule& aCopy)
: mRefCnt(0),
mSheet(aCopy.mSheet),
mParentRule(aCopy.mParentRule)
{
NS_INIT_ISUPPORTS();
}
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)
{
return NS_OK;
}