6 files changed, 46 insertions, 17 deletions
diff --git a/indra/newview/llfloaterimnearbychat.h b/indra/newview/llfloaterimnearbychat.h
index 2992c12436..4ad37eb0c7 100644
--- a/indra/newview/llfloaterimnearbychat.h
+++ b/indra/newview/llfloaterimnearbychat.h
@@ -69,6 +69,7 @@ public:
 	LLChatEntry* getChatBox() { return mInputEditor; }
 
 	std::string getCurrentChat();
+	S32 getMessageArchiveLength() {return mMessageArchive.size();}
 
 	virtual BOOL handleKeyHere( KEY key, MASK mask );
 
diff --git a/indra/newview/llfloaterimsession.h b/indra/newview/llfloaterimsession.h
index 381b3cf721..cb330bca0f 100644
--- a/indra/newview/llfloaterimsession.h
+++ b/indra/newview/llfloaterimsession.h
@@ -133,6 +133,7 @@ public:
 	static floater_showed_signal_t sIMFloaterShowedSignal;
 
 	bool needsTitleOverwrite() { return mSessionNameUpdatedForTyping && mOtherTyping; }
+	S32 getLastChatMessageIndex() {return mLastMessageIndex;}
 private:
 
 	/*virtual*/ void refresh();
diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
index 6dbcdb4474..f773ed4e23 100644
--- a/indra/newview/llfloaterimsessiontab.cpp
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -725,6 +725,27 @@ void LLFloaterIMSessionTab::processChatHistoryStyleUpdate(bool clean_messages/*
 	}
 }
 
+// static
+void LLFloaterIMSessionTab::reloadEmptyFloaters()
+{
+	LLFloaterReg::const_instance_list_t& inst_list = LLFloaterReg::getFloaterList("impanel");
+	for (LLFloaterReg::const_instance_list_t::const_iterator iter = inst_list.begin();
+		iter != inst_list.end(); ++iter)
+	{
+		LLFloaterIMSession* floater = dynamic_cast<LLFloaterIMSession*>(*iter);
+		if (floater && floater->getLastChatMessageIndex() == -1)
+		{
+			floater->reloadMessages(true);
+		}
+	}
+
+	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
+	if (nearby_chat && nearby_chat->getMessageArchiveLength() == 0)
+	{
+		nearby_chat->reloadMessages(true);
+	}
+}
+
 void LLFloaterIMSessionTab::updateCallBtnState(bool callIsActive)
 {
 	LLButton* voiceButton = getChild<LLButton>("voice_call_btn");
diff --git a/indra/newview/llfloaterimsessiontab.h b/indra/newview/llfloaterimsessiontab.h
index e90fcbb806..b245049137 100644
--- a/indra/newview/llfloaterimsessiontab.h
+++ b/indra/newview/llfloaterimsessiontab.h
@@ -54,6 +54,7 @@ public:
 
 	// reload all message with new settings of visual modes
 	static void processChatHistoryStyleUpdate(bool clean_messages = false);
+	static void reloadEmptyFloaters();
 
 	/**
 	 * Returns true if chat is displayed in multi tabbed floater
diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 988190f96a..3f8c23ba83 100755
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -798,8 +798,13 @@ void LLFloaterPreference::onBtnOK()
 		//Conversation transcript and log path changed so reload conversations based on new location
 		if(mPriorInstantMessageLogPath.length())
 		{
+			if(moveTranscriptsAndLog())
+			{
+				//When floaters are empty but have a chat history files, reload chat history into them
+				LLFloaterIMSessionTab::reloadEmptyFloaters();
+			}
 			//Couldn't move files so restore the old path and show a notification
-			if(!moveTranscriptsAndLog())
+			else
 			{
 				gSavedPerAccountSettings.setString("InstantMessageLogPath", mPriorInstantMessageLogPath);
 				LLNotificationsUtil::add("PreferenceChatPathChanged");
diff --git a/indra/newview/lllogchat.cpp b/indra/newview/lllogchat.cpp
index 6562cfe1bb..448100c5d6 100644
--- a/indra/newview/lllogchat.cpp
+++ b/indra/newview/lllogchat.cpp
@@ -517,6 +517,22 @@ bool LLLogChat::moveTranscripts(const std::string originDirectory,
 		backupFileCount = 0;
 		newFullPath = targetDirectory + fullpath.substr(originDirectory.length(), std::string::npos);
 
+		//The target directory contains that file already, so lets store it
+		if(LLFile::isfile(newFullPath))
+		{
+			backupFileName = newFullPath + ".backup";
+
+			//If needed store backup file as .backup1 etc.
+			while(LLFile::isfile(backupFileName))
+			{
+				++backupFileCount;
+				backupFileName = newFullPath + ".backup" + boost::lexical_cast<std::string>(backupFileCount);
+			}
+
+			//Rename the file to its backup name so it is not overwritten
+			LLFile::rename(newFullPath, backupFileName);
+		}
+
 		S32 retry_count = 0;
 		while (retry_count < 5)
 		{
@@ -528,22 +544,6 @@ bool LLLogChat::moveTranscripts(const std::string originDirectory,
 				LL_WARNS("LLLogChat::moveTranscripts") << "Problem renaming " << fullpath << " - errorcode: "
 					<< result << " attempt " << retry_count << LL_ENDL;
 
-				//The target directory contains that file already, so lets store it
-				if(LLFile::isfile(newFullPath))
-				{
-					backupFileName = newFullPath + ".backup";
-
-					//If needed store backup file as .backup1 etc.
-					while(LLFile::isfile(backupFileName))
-					{
-						++backupFileCount;
-						backupFileName = newFullPath + ".backup" + boost::lexical_cast<std::string>(backupFileCount);
-					}
-
-					//Rename the file to its backup name so it is not overwritten
-					LLFile::rename(newFullPath, backupFileName);
-				}
-
 				ms_sleep(100);
 			}
 			else