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Bug 1377978 - Make nsRange use uint32_t to offset

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Tag #1375
This commit is contained in:
Matt A. Tobin 2020-04-17 06:10:23 -04:00 • committed by Roy Tam
commit 6ce9cc2a25
23 changed files with 425 additions and 287 deletions
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10
editor/libeditor/HTMLEditor.cpp
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@ -2405,21 +2405,19 @@ HTMLEditor::GetSelectedElement(const nsAString& aTagName,
NS_ENSURE_STATE(range);
nsCOMPtr<nsIDOMNode> startParent;
int32_t startOffset, endOffset;
nsresult rv = range->GetStartContainer(getter_AddRefs(startParent));
NS_ENSURE_SUCCESS(rv, rv);
rv = range->GetStartOffset(&startOffset);
NS_ENSURE_SUCCESS(rv, rv);
uint32_t startOffset = range->StartOffset();
nsCOMPtr<nsIDOMNode> endParent;
rv = range->GetEndContainer(getter_AddRefs(endParent));
NS_ENSURE_SUCCESS(rv, rv);
rv = range->GetEndOffset(&endOffset);
NS_ENSURE_SUCCESS(rv, rv);
uint32_t endOffset = range->EndOffset();
// Optimization for a single selected element
if (startParent && startParent == endParent && endOffset - startOffset == 1) {
nsCOMPtr<nsIDOMNode> selectedNode = GetChildAt(startParent, startOffset);
nsCOMPtr<nsIDOMNode> selectedNode =
GetChildAt(startParent, static_cast<int32_t>(startOffset));
NS_ENSURE_SUCCESS(rv, NS_OK);
if (selectedNode) {
selectedNode->GetNodeName(domTagName);