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Bug 173350. nsIDOMTreeWalker crashes with XUL documents -- this implements some of the unimplemented methods in nsXULDocument. r=jst, sr=bzbarsky

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This commit is contained in:
aaronl%netscape.com 2002-11-06 02:30:38 +00:00
parent a452fae1d0
commit c07ae571e9
1 changed files with 10 additions and 6 deletions
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16
content/xul/document/src/nsXULDocument.cpp
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@ -1281,22 +1281,26 @@ nsXULDocument::SetRootContent(nsIContent* aRoot)
NS_IMETHODIMP
nsXULDocument::ChildAt(PRInt32 aIndex, nsIContent*& aResult) const
{
NS_NOTREACHED("nsXULDocument::ChildAt");
return NS_ERROR_NOT_IMPLEMENTED;
if (aIndex != 0 || !mRootContent) {
aResult = nsnull;
return NS_ERROR_FAILURE;
}
NS_ADDREF(aResult = mRootContent);
return NS_OK;
}
NS_IMETHODIMP
nsXULDocument::IndexOf(nsIContent* aPossibleChild, PRInt32& aIndex) const
{
NS_NOTREACHED("nsXULDocument::IndexOf");
return NS_ERROR_NOT_IMPLEMENTED;
aIndex = (aPossibleChild == mRootContent && mRootContent)? 0 : -1;
return NS_OK;
}
NS_IMETHODIMP
nsXULDocument::GetChildCount(PRInt32& aCount)
{
NS_NOTREACHED("nsXULDocument::GetChildCount");
return NS_ERROR_NOT_IMPLEMENTED;
aCount = (mRootContent != nsnull);
return NS_OK;
}
NS_IMETHODIMP