nsresult
XULSortServiceImpl::GetTemplateItemsToSort(nsIContent* aContainer,
nsIXULTemplateBuilder* aBuilder,
nsSortState* aSortState,
nsTArray<contentSortInfo>& aSortItems)
{
PRUint32 numChildren = aContainer->GetChildCount();
for (PRUint32 childIndex = 0; childIndex < numChildren; childIndex++) {
nsIContent *child = aContainer->GetChildAt(childIndex);
nsCOMPtr<nsIDOMElement> childnode = do_QueryInterface(child);
nsCOMPtr<nsIXULTemplateResult> result;
nsresult rv = aBuilder->GetResultForContent(childnode, getter_AddRefs(result));
NS_ENSURE_SUCCESS(rv, rv);
if (result) {
contentSortInfo* cinfo = aSortItems.AppendElement();
if (!cinfo)
return NS_ERROR_OUT_OF_MEMORY;
cinfo->content = child;
cinfo->result = result;
}
else if (aContainer->Tag() != nsGkAtoms::_template) {
rv = GetTemplateItemsToSort(child, aBuilder, aSortState, aSortItems);
NS_ENSURE_SUCCESS(rv, rv);
}
}
return NS_OK;
}
nsresult
XULSortServiceImpl::GetTemplateItemsToSort(nsIContent* aContainer,
nsIXULTemplateBuilder* aBuilder,
nsSortState* aSortState,
nsTArray<contentSortInfo>& aSortItems)
{
for (nsIContent* child = aContainer->GetFirstChild();
child;
child = child->GetNextSibling()) {
nsCOMPtr<nsIDOMElement> childnode = do_QueryInterface(child);
nsCOMPtr<nsIXULTemplateResult> result;
nsresult rv = aBuilder->GetResultForContent(childnode, getter_AddRefs(result));
NS_ENSURE_SUCCESS(rv, rv);
if (result) {
contentSortInfo* cinfo = aSortItems.AppendElement();
if (!cinfo)
return NS_ERROR_OUT_OF_MEMORY;
cinfo->content = child;
cinfo->result = result;
}
else if (!aContainer->IsXULElement(nsGkAtoms::_template)) {
rv = GetTemplateItemsToSort(child, aBuilder, aSortState, aSortItems);
NS_ENSURE_SUCCESS(rv, rv);
}
}
return NS_OK;
}
nsresult
XULSortServiceImpl::GetItemsToSort(nsIContent *aContainer,
nsSortState* aSortState,
nsTArray<contentSortInfo>& aSortItems)
{
// if there is a template attached to the sort node, use the builder to get
// the items to be sorted
nsCOMPtr<nsIDOMXULElement> element = do_QueryInterface(aContainer);
if (element) {
nsCOMPtr<nsIXULTemplateBuilder> builder;
element->GetBuilder(getter_AddRefs(builder));
if (builder) {
nsresult rv = builder->GetQueryProcessor(getter_AddRefs(aSortState->processor));
if (NS_FAILED(rv) || !aSortState->processor)
return rv;
return GetTemplateItemsToSort(aContainer, builder, aSortState, aSortItems);
}
}
// if there is no template builder, just get the children. For trees,
// get the treechildren element as use that as the parent
nsCOMPtr<nsIContent> treechildren;
if (aContainer->NodeInfo()->Equals(nsGkAtoms::tree, kNameSpaceID_XUL)) {
nsXULContentUtils::FindChildByTag(aContainer,
kNameSpaceID_XUL,
nsGkAtoms::treechildren,
getter_AddRefs(treechildren));
if (!treechildren)
return NS_OK;
aContainer = treechildren;
}
PRUint32 count = aContainer->GetChildCount();
for (PRUint32 c = 0; c < count; c++) {
nsIContent *child = aContainer->GetChildAt(c);
contentSortInfo* cinfo = aSortItems.AppendElement();
if (!cinfo)
return NS_ERROR_OUT_OF_MEMORY;
cinfo->content = child;
}
return NS_OK;
}
