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-rw-r--r--editor/libeditor/HTMLEditRules.cpp19
1 files changed, 12 insertions, 7 deletions
diff --git a/editor/libeditor/HTMLEditRules.cpp b/editor/libeditor/HTMLEditRules.cpp
index fe5e6c2bf..f24d0131d 100644
--- a/editor/libeditor/HTMLEditRules.cpp
+++ b/editor/libeditor/HTMLEditRules.cpp
@@ -1509,10 +1509,11 @@ HTMLEditRules::WillInsertBreak(Selection& aSelection,
nsCOMPtr<Element> blockParent = htmlEditor->GetBlock(node);
NS_ENSURE_TRUE(blockParent, NS_ERROR_FAILURE);
- // If the active editing host is an inline element, or if the active editing
- // host is the block parent itself, just append a br.
+ // When there is an active editing host (the <body> if it's in designMode)
+ // and a block which becomes the parent of line breaker is in it, do the
+ // standard thing.
nsCOMPtr<Element> host = htmlEditor->GetActiveEditingHost();
- if (!EditorUtils::IsDescendantOf(blockParent, host)) {
+ if (host && !EditorUtils::IsDescendantOf(blockParent, host)) {
nsresult rv = StandardBreakImpl(node, offset, aSelection);
NS_ENSURE_SUCCESS(rv, rv);
*aHandled = true;
@@ -6498,10 +6499,14 @@ HTMLEditRules::SplitParagraph(nsIDOMNode *aPara,
// split the paragraph
NS_ENSURE_STATE(mHTMLEditor);
NS_ENSURE_STATE(selNode->IsContent());
- mHTMLEditor->SplitNodeDeep(*para, *selNode->AsContent(), *aOffset,
- HTMLEditor::EmptyContainers::yes,
- getter_AddRefs(leftPara),
- getter_AddRefs(rightPara));
+ int32_t offset =
+ mHTMLEditor->SplitNodeDeep(*para, *selNode->AsContent(), *aOffset,
+ HTMLEditor::EmptyContainers::yes,
+ getter_AddRefs(leftPara),
+ getter_AddRefs(rightPara));
+ if (NS_WARN_IF(offset == -1)) {
+ return NS_ERROR_FAILURE;
+ }
// get rid of the break, if it is visible (otherwise it may be needed to prevent an empty p)
NS_ENSURE_STATE(mHTMLEditor);
if (mHTMLEditor->IsVisBreak(aBRNode)) {