diff options
Diffstat (limited to 'editor/libeditor/PlaceholderTransaction.cpp')
| -rw-r--r-- | editor/libeditor/PlaceholderTransaction.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/editor/libeditor/PlaceholderTransaction.cpp b/editor/libeditor/PlaceholderTransaction.cpp index 1031b45ab..fa808afad 100644 --- a/editor/libeditor/PlaceholderTransaction.cpp +++ b/editor/libeditor/PlaceholderTransaction.cpp @@ -35,6 +35,7 @@ NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(PlaceholderTransaction, if (tmp->mStartSel) { ImplCycleCollectionUnlink(*tmp->mStartSel); } + NS_IMPL_CYCLE_COLLECTION_UNLINK(mEditorBase); NS_IMPL_CYCLE_COLLECTION_UNLINK(mEndSel); NS_IMPL_CYCLE_COLLECTION_UNLINK_END @@ -43,6 +44,7 @@ NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(PlaceholderTransaction, if (tmp->mStartSel) { ImplCycleCollectionTraverse(cb, *tmp->mStartSel, "mStartSel", 0); } + NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mEditorBase); NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mEndSel); NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END @@ -76,6 +78,10 @@ PlaceholderTransaction::DoTransaction() NS_IMETHODIMP PlaceholderTransaction::UndoTransaction() { + if (NS_WARN_IF(!mEditorBase)) { + return NS_ERROR_NOT_INITIALIZED; + } + // Undo transactions. nsresult rv = EditAggregateTransaction::UndoTransaction(); NS_ENSURE_SUCCESS(rv, rv); @@ -91,6 +97,10 @@ PlaceholderTransaction::UndoTransaction() NS_IMETHODIMP PlaceholderTransaction::RedoTransaction() { + if (NS_WARN_IF(!mEditorBase)) { + return NS_ERROR_NOT_INITIALIZED; + } + // Redo transactions. nsresult rv = EditAggregateTransaction::RedoTransaction(); NS_ENSURE_SUCCESS(rv, rv); @@ -261,6 +271,10 @@ PlaceholderTransaction::Commit() nsresult PlaceholderTransaction::RememberEndingSelection() { + if (NS_WARN_IF(!mEditorBase)) { + return NS_ERROR_NOT_INITIALIZED; + } + RefPtr<Selection> selection = mEditorBase->GetSelection(); NS_ENSURE_TRUE(selection, NS_ERROR_NULL_POINTER); mEndSel.SaveSelection(selection); |