1 files changed, 32 insertions, 6 deletions

diff --git a/indra/newview/llimview.cpp b/indra/newview/llimview.cpp
index b3f085ef6d..7a4febec20 100644
--- a/indra/newview/llimview.cpp
+++ b/indra/newview/llimview.cpp
@@ -608,10 +608,10 @@ bool LLIMModel::clearSession(const LLUUID& session_id)
 	return true;
 }
 
-void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages, int start_index)
+void LLIMModel::getMessagesSilently(const LLUUID& session_id, std::list<LLSD>& messages, int start_index)
 {
 	LLIMSession* session = findIMSession(session_id);
-	if (!session) 
+	if (!session)
 	{
 		llwarns << "session " << session_id << "does not exist " << llendl;
 		return;
@@ -619,7 +619,7 @@ void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages,
 
 	int i = session->mMsgs.size() - start_index;
 
-	for (std::list<LLSD>::iterator iter = session->mMsgs.begin(); 
+	for (std::list<LLSD>::iterator iter = session->mMsgs.begin();
 		iter != session->mMsgs.end() && i > 0;
 		iter++)
 	{
@@ -628,6 +628,16 @@ void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages,
 		messages.push_back(*iter);
 		i--;
 	}
+}
+
+void LLIMModel::sendNoUnreadMessages(const LLUUID& session_id)
+{
+	LLIMSession* session = findIMSession(session_id);
+	if (!session)
+	{
+		llwarns << "session " << session_id << "does not exist " << llendl;
+		return;
+	}
 
 	session->mNumUnread = 0;
 	session->mParticipantUnreadMessageCount = 0;
@@ -639,6 +649,13 @@ void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages,
 	mNoUnreadMsgsSignal(arg);
 }
 
+void LLIMModel::getMessages(const LLUUID& session_id, std::list<LLSD>& messages, int start_index)
+{
+	getMessagesSilently(session_id, messages, start_index);
+
+	sendNoUnreadMessages(session_id);
+}
+
 bool LLIMModel::addToHistory(const LLUUID& session_id, const std::string& from, const LLUUID& from_id, const std::string& utf8_text) {
 	
 	LLIMSession* session = findIMSession(session_id);
@@ -717,13 +734,22 @@ LLIMModel::LLIMSession* LLIMModel::addMessageSilently(const LLUUID& session_id,
 		return NULL;
 	}
 
-	addToHistory(session_id, from, from_id, utf8_text);
-	if (log2file) logToFile(session_id, from, from_id, utf8_text);
+	// replace interactive system message marker with correct from string value
+	std::string from_name = from;
+	if (INTERACTIVE_SYSTEM_FROM == from)
+	{
+		from_name = SYSTEM_FROM;
+	}
+
+	addToHistory(session_id, from_name, from_id, utf8_text);
+	if (log2file) logToFile(session_id, from_name, from_id, utf8_text);
 
 	session->mNumUnread++;
 
 	//update count of unread messages from real participant
-	if (!(from_id.isNull() || from_id == gAgentID || SYSTEM_FROM == from))
+	if (!(from_id.isNull() || from_id == gAgentID || SYSTEM_FROM == from)
+			// we should increment counter for interactive system messages()
+			|| INTERACTIVE_SYSTEM_FROM == from)
 	{
 		++(session->mParticipantUnreadMessageCount);
 	}