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lightning-sunbird  0.9+nobinonly
nsCSSRule.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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00037 #include "nsCSSRule.h"
00038 #include "nsCRT.h"
00039 #include "nsICSSStyleSheet.h"
00040 
00041 nsCSSRule::nsCSSRule(void)
00042   : mRefCnt(0),
00043     mSheet(nsnull),
00044     mParentRule(nsnull)
00045 {
00046 }
00047 
00048 nsCSSRule::nsCSSRule(const nsCSSRule& aCopy)
00049   : mRefCnt(0),
00050     mSheet(aCopy.mSheet),
00051     mParentRule(aCopy.mParentRule)
00052 {
00053 }
00054 
00055 
00056 nsCSSRule::~nsCSSRule(void)
00057 {
00058 }
00059 
00060 NS_IMPL_ADDREF(nsCSSRule)
00061 NS_IMPL_RELEASE(nsCSSRule)
00062 
00063 NS_IMETHODIMP
00064 nsCSSRule::GetStyleSheet(nsIStyleSheet*& aSheet) const
00065 {
00066   NS_IF_ADDREF(mSheet);
00067   aSheet = mSheet;
00068   return NS_OK;
00069 }
00070 
00071 NS_IMETHODIMP
00072 nsCSSRule::SetStyleSheet(nsICSSStyleSheet* aSheet)
00073 {
00074   // We don't reference count this up reference. The style sheet
00075   // will tell us when it's going away or when we're detached from
00076   // it.
00077   mSheet = aSheet;
00078   return NS_OK;
00079 }
00080 
00081 NS_IMETHODIMP
00082 nsCSSRule::SetParentRule(nsICSSGroupRule* aRule)
00083 {
00084   // We don't reference count this up reference. The group rule
00085   // will tell us when it's going away or when we're detached from
00086   // it.
00087   mParentRule = aRule;
00088   return NS_OK;
00089 }
00090 
00091 NS_IMETHODIMP
00092 nsCSSRule::MapRuleInfoInto(nsRuleData* aRuleData)
00093 {
00094   // The nsIStyleRule contract is not appropriate for all CSS rules.
00095   NS_NOTREACHED("nsCSSRule::MapRuleInfoInto");
00096   return NS_OK;
00097 }