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-rw-r--r--editor/libeditor/HTMLEditRules.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/editor/libeditor/HTMLEditRules.cpp b/editor/libeditor/HTMLEditRules.cpp
index 13411b4f6..156bbc179 100644
--- a/editor/libeditor/HTMLEditRules.cpp
+++ b/editor/libeditor/HTMLEditRules.cpp
@@ -2199,12 +2199,24 @@ HTMLEditRules::WillDeleteSelection(Selection* aSelection,
bool handled = false, canceled = false;
rv = TryToJoinBlocks(*leftNode->AsContent(), *rightNode->AsContent(),
&canceled, &handled);
- // TODO: If it does nothing and previous or next node is a text node,
- // we should modify it.
- *aHandled = true;
+ *aHandled |= handled;
*aCancel |= canceled;
NS_ENSURE_SUCCESS(rv, rv);
}
+
+ // If TryToJoinBlocks() didn't handle it and it's not canceled,
+ // user may want to modify the start leaf node or the last leaf node
+ // of the block.
+ if (!*aHandled && !*aCancel && leafNode != startNode) {
+ int32_t offset =
+ aAction == nsIEditor::ePrevious ?
+ static_cast<int32_t>(leafNode->Length()) : 0;
+ aSelection->Collapse(leafNode, offset);
+ return WillDeleteSelection(aSelection, aAction, aStripWrappers,
+ aCancel, aHandled);
+ }
+
+ // Otherwise, we must have deleted the selection as user expected.
aSelection->Collapse(selPointNode, selPointOffset);
return NS_OK;
}