diff -r 000000000000 -r 6474c204b198 editor/libeditor/base/InsertTextTxn.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/editor/libeditor/base/InsertTextTxn.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,77 @@
+/* -*- 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 InsertTextTxn_h__
+#define InsertTextTxn_h__
+
+#include "EditTxn.h"                    // for EditTxn, NS_DECL_EDITTXN
+#include "nsCOMPtr.h"                   // for nsCOMPtr
+#include "nsCycleCollectionParticipant.h"
+#include "nsID.h"                       // for nsIID
+#include "nsIDOMCharacterData.h"        // for nsIDOMCharacterData
+#include "nsISupportsImpl.h"            // for NS_DECL_ISUPPORTS_INHERITED
+#include "nsString.h"                   // for nsString
+#include "nscore.h"                     // for NS_IMETHOD, nsAString
+
+class nsIEditor;
+class nsITransaction;
+
+
+#define INSERT_TEXT_TXN_CID \
+{/* 93276f00-ab2c-11d2-8f4b-006008159b0c*/ \
+0x93276f00, 0xab2c, 0x11d2, \
+{0x8f, 0xb4, 0x0, 0x60, 0x8, 0x15, 0x9b, 0xc} }
+
+/**
+  * A transaction that inserts text into a content node. 
+  */
+class InsertTextTxn : public EditTxn
+{
+public:
+
+  static const nsIID& GetCID() { static const nsIID iid = INSERT_TEXT_TXN_CID; return iid; }
+
+  /** initialize the transaction
+    * @param aElement the text content node
+    * @param aOffset  the location in aElement to do the insertion
+    * @param aString  the new text to insert
+    * @param aPresShell used to get and set the selection
+    */
+  NS_IMETHOD Init(nsIDOMCharacterData *aElement,
+                  uint32_t aOffset,
+                  const nsAString& aString,
+                  nsIEditor *aEditor);
+
+  InsertTextTxn();
+
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(InsertTextTxn, EditTxn)
+	
+  NS_DECL_EDITTXN
+
+  NS_IMETHOD Merge(nsITransaction *aTransaction, bool *aDidMerge);
+
+  /** return the string data associated with this transaction */
+  NS_IMETHOD GetData(nsString& aResult);
+
+protected:
+
+  /** return true if aOtherTxn immediately follows this txn */
+  virtual bool IsSequentialInsert(InsertTextTxn *aOtherTxn);
+  
+  /** the text element to operate upon */
+  nsCOMPtr<nsIDOMCharacterData> mElement;
+  
+  /** the offset into mElement where the insertion is to take place */
+  uint32_t mOffset;
+
+  /** the text to insert into mElement at mOffset */
+  nsString mStringToInsert;
+
+  /** the editor, which we'll need to get the selection */
+  nsIEditor *mEditor;   
+};
+
+#endif