1 files changed, 6 insertions, 2 deletions
diff --git a/Swift/Controllers/UIInterfaces/ChatWindow.h b/Swift/Controllers/UIInterfaces/ChatWindow.h
index a80c8ca..8d0026c 100644
--- a/Swift/Controllers/UIInterfaces/ChatWindow.h
+++ b/Swift/Controllers/UIInterfaces/ChatWindow.h
@@ -1,8 +1,8 @@
 /*
- * Copyright (c) 2010-2014 Isode Limited.
+ * Copyright (c) 2010-2015 Isode Limited.
  * All rights reserved.
  * See the COPYING file for more information.
  */
 
 #pragma once
 
@@ -105,17 +105,21 @@ namespace Swift {
 			virtual std::string addMessage(const ChatMessage& message, const std::string& senderName, bool senderIsSelf, boost::shared_ptr<SecurityLabel> label, const std::string& avatarPath, const boost::posix_time::ptime& time, const HighlightAction& highlight) = 0;
 			/** Adds action to window.
 			 * @return id of added message (for acks);
 			 */
 			virtual std::string addAction(const ChatMessage& message, const std::string& senderName, bool senderIsSelf, boost::shared_ptr<SecurityLabel> label, const std::string& avatarPath, const boost::posix_time::ptime& time, const HighlightAction& highlight) = 0;
 
-			virtual void addSystemMessage(const ChatMessage& message, Direction direction) = 0;
+			/** Adds system message to window
+			 * @return id of added message (for replacement)
+			 */
+			virtual std::string addSystemMessage(const ChatMessage& message, Direction direction) = 0;
 			virtual void addPresenceMessage(const ChatMessage& message, Direction direction) = 0;
 
 			virtual void addErrorMessage(const ChatMessage& message) = 0;
 			virtual void replaceMessage(const ChatMessage& message, const std::string& id, const boost::posix_time::ptime& time, const HighlightAction& highlight) = 0;
+			virtual void replaceSystemMessage(const ChatMessage& message, const std::string& id, const TimestampBehaviour timestampBehaviour) = 0;
 			virtual void replaceWithAction(const ChatMessage& message, const std::string& id, const boost::posix_time::ptime& time, const HighlightAction& highlight) = 0;
 			
 			// File transfer related stuff
 			virtual std::string addFileTransfer(const std::string& senderName, bool senderIsSelf, const std::string& filename, const boost::uintmax_t sizeInBytes) = 0;
 			virtual void setFileTransferProgress(std::string, const int percentageDone) = 0;
 			virtual void setFileTransferStatus(std::string, const FileTransferState state, const std::string& msg = "") = 0;