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fix for 58477 (null check), r=jag, sr=hyatt

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dr%netscape.com 2001-03-01 01:35:12 +00:00
parent 9d01803642
commit 17ae0a3cc2
1 changed files with 13 additions and 11 deletions
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24
content/xbl/src/nsXBLWindowHandler.cpp
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@ -131,17 +131,19 @@ nsXBLSpecialDocInfo::GetHandlers(nsIXBLDocumentInfo* aInfo,
nsCOMPtr<nsIDocument> doc;
aInfo->GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIContent> root = getter_AddRefs(doc->GetRootContent());
PRInt32 childCount;
root->ChildCount(childCount);
for (PRInt32 i = 0; i < childCount; i++) {
nsCOMPtr<nsIContent> child;
root->ChildAt(i, *getter_AddRefs(child));
nsAutoString id;
child->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::id, id);
if (id.EqualsWithConversion(nsPromiseFlatCString(aRef))) {
NS_NewXBLPrototypeBinding(aRef, child, aInfo, getter_AddRefs(binding));
aInfo->SetPrototypeBinding(aRef, binding);
break;
if (root) { // no root, no handlers. don't crash please.
PRInt32 childCount;
root->ChildCount(childCount);
for (PRInt32 i = 0; i < childCount; i++) {
nsCOMPtr<nsIContent> child;
root->ChildAt(i, *getter_AddRefs(child));
nsAutoString id;
child->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::id, id);
if (id.EqualsWithConversion(nsPromiseFlatCString(aRef))) {
NS_NewXBLPrototypeBinding(aRef, child, aInfo, getter_AddRefs(binding));
aInfo->SetPrototypeBinding(aRef, binding);
break;
}
}
}
}