gecko-dev/layout/style/nsCSSRule.cpp

162 строки
3.6 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All Rights
* Reserved.
*/
#include "nsCSSRule.h"
#include "nsCRT.h"
#include "nsIArena.h"
#include "nsICSSStyleSheet.h"
//#define DEBUG_REFS
void* nsCSSRule::operator new(size_t size)
{
nsCSSRule* rv = (nsCSSRule*) ::operator new(size);
#ifdef NS_DEBUG
if (nsnull != rv) {
nsCRT::memset(rv, 0xEE, size);
}
#endif
rv->mInHeap = 1;
return (void*) rv;
}
void* nsCSSRule::operator new(size_t size, nsIArena* aArena)
{
nsCSSRule* rv = (nsCSSRule*) aArena->Alloc(PRInt32(size));
#ifdef NS_DEBUG
if (nsnull != rv) {
nsCRT::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);
}
}
}
#ifdef DEBUG_REFS
static PRInt32 gInstanceCount;
static const PRInt32 kInstrument = 1075;
#endif
nsCSSRule::nsCSSRule(void)
: mSheet(nsnull)
{
NS_INIT_REFCNT();
#ifdef DEBUG_REFS
mInstance = gInstanceCount++;
fprintf(stdout, "%d of %d + CSSRule\n", mInstance, gInstanceCount);
#endif
}
nsCSSRule::nsCSSRule(const nsCSSRule& aCopy)
: mSheet(aCopy.mSheet)
{
NS_INIT_REFCNT();
#ifdef DEBUG_REFS
mInstance = gInstanceCount++;
fprintf(stdout, "%d of %d + CSSRule\n", mInstance, gInstanceCount);
#endif
}
nsCSSRule::~nsCSSRule(void)
{
#ifdef DEBUG_REFS
--gInstanceCount;
fprintf(stdout, "%d of %d - CSSStyleRule\n", mInstance, gInstanceCount);
#endif
}
#ifdef DEBUG_REFS
nsrefcnt
nsCSSRule::AddRef(void)
{
if (mInstance == kInstrument) {
fprintf(stdout, "%d AddRef CSSRule\n", mRefCnt + 1);
}
return ++mRefCnt;
}
nsrefcnt
nsCSSRule::Release(void)
{
if (mInstance == kInstrument) {
fprintf(stdout, "%d Release CSSRule\n", mRefCnt - 1);
}
if (--mRefCnt == 0) {
NS_DELETEXPCOM(this);
return 0;
}
return mRefCnt;
}
#else
NS_IMPL_ADDREF(nsCSSRule)
NS_IMPL_RELEASE(nsCSSRule)
#endif
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::GetStrength(PRInt32& aStrength) const
{
aStrength = 0;
return NS_OK;
}
NS_IMETHODIMP
nsCSSRule::MapFontStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
{
return NS_OK;
}
NS_IMETHODIMP
nsCSSRule::MapStyleInto(nsIStyleContext* aContext, nsIPresContext* aPresContext)
{
return NS_OK;
}