1 files changed, 58 insertions, 0 deletions
diff --git a/editor/libeditor/InsertNodeTransaction.h b/editor/libeditor/InsertNodeTransaction.h
new file mode 100644
index 000000000..5af7b8aff
--- /dev/null
+++ b/editor/libeditor/InsertNodeTransaction.h
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef InsertNodeTransaction_h
+#define InsertNodeTransaction_h
+
+#include "mozilla/EditTransactionBase.h" // for EditTransactionBase, etc.
+#include "nsCOMPtr.h"                   // for nsCOMPtr
+#include "nsCycleCollectionParticipant.h"
+#include "nsIContent.h"                 // for nsIContent
+#include "nsISupportsImpl.h"            // for NS_DECL_ISUPPORTS_INHERITED
+
+namespace mozilla {
+
+class EditorBase;
+
+/**
+ * A transaction that inserts a single element
+ */
+class InsertNodeTransaction final : public EditTransactionBase
+{
+public:
+  /**
+   * Initialize the transaction.
+   * @param aNode       The node to insert.
+   * @param aParent     The node to insert into.
+   * @param aOffset     The offset in aParent to insert aNode.
+   */
+  InsertNodeTransaction(nsIContent& aNode, nsINode& aParent, int32_t aOffset,
+                        EditorBase& aEditorBase);
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(InsertNodeTransaction,
+                                           EditTransactionBase)
+
+  NS_DECL_EDITTRANSACTIONBASE
+
+protected:
+  virtual ~InsertNodeTransaction();
+
+  // The element to insert.
+  nsCOMPtr<nsIContent> mNode;
+
+  // The node into which the new node will be inserted.
+  nsCOMPtr<nsINode> mParent;
+
+  // The index in mParent for the new node.
+  int32_t mOffset;
+
+  // The editor for this transaction.
+  EditorBase& mEditorBase;
+};
+
+} // namespace mozilla
+
+#endif // #ifndef InsertNodeTransaction_h