1 files changed, 736 insertions, 114 deletions

diff --git a/indra/newview/llimfloater.cpp b/indra/newview/llimfloater.cpp
index a20b5ea66c..3ec8d11fb0 100644
--- a/indra/newview/llimfloater.cpp
+++ b/indra/newview/llimfloater.cpp
@@ -34,24 +34,32 @@
 
 #include "llimfloater.h"
 
+#include "llnotificationsutil.h"
+
 #include "llagent.h"
 #include "llappviewer.h"
 #include "llbutton.h"
 #include "llbottomtray.h"
 #include "llchannelmanager.h"
 #include "llchiclet.h"
-#include "llfloaterchat.h"
 #include "llfloaterreg.h"
-#include "llimview.h"
+#include "llimfloatercontainer.h" // to replace separate IM Floaters with multifloater container
+#include "llinventoryfunctions.h"
+#include "lllayoutstack.h"
 #include "lllineeditor.h"
 #include "lllogchat.h"
 #include "llpanelimcontrolpanel.h"
 #include "llscreenchannel.h"
+#include "llsyswellwindow.h"
 #include "lltrans.h"
 #include "llchathistory.h"
 #include "llviewerwindow.h"
+#include "llvoicechannel.h"
 #include "lltransientfloatermgr.h"
+#include "llinventorymodel.h"
+#include "llrootview.h"
 
+#include "llspeakers.h"
 
 
 LLIMFloater::LLIMFloater(const LLUUID& session_id)
@@ -61,7 +69,14 @@ LLIMFloater::LLIMFloater(const LLUUID& session_id)
 	mLastMessageIndex(-1),
 	mDialog(IM_NOTHING_SPECIAL),
 	mChatHistory(NULL),
-	mInputEditor(NULL), 
+	mInputEditor(NULL),
+	mSavedTitle(),
+	mTypingStart(),
+	mShouldSendTypingState(false),
+	mMeTyping(false),
+	mOtherTyping(false),
+	mTypingTimer(),
+	mTypingTimeoutTimer(),
 	mPositioned(false),
 	mSessionInitialized(false)
 {
@@ -71,46 +86,78 @@ LLIMFloater::LLIMFloater(const LLUUID& session_id)
 		mSessionInitialized = im_session->mSessionInitialized;
 		
 		mDialog = im_session->mType;
-		if (IM_NOTHING_SPECIAL == mDialog || IM_SESSION_P2P_INVITE == mDialog)
-		{
+		switch(mDialog){
+		case IM_NOTHING_SPECIAL:
+		case IM_SESSION_P2P_INVITE:
 			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelIMControl, this);
-		}
-		else
-		{
+			break;
+		case IM_SESSION_CONFERENCE_START:
+			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelAdHocControl, this);
+			break;
+		case IM_SESSION_GROUP_START:
 			mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelGroupControl, this);
+			break;
+		case IM_SESSION_INVITE:		
+			if (gAgent.isInGroup(mSessionID))
+			{
+				mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelGroupControl, this);
+			}
+			else
+			{
+				mFactoryMap["panel_im_control_panel"] = LLCallbackMap(createPanelAdHocControl, this);
+			}
+			break;
+		default: break;
 		}
 	}
+	setOverlapsScreenChannel(true);
+
+	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::IM, this);
+
+	setDocked(true);
 }
 
 void LLIMFloater::onFocusLost()
 {
 	LLIMModel::getInstance()->resetActiveSessionID();
+	
+	LLBottomTray::getInstance()->getChicletPanel()->setChicletToggleState(mSessionID, false);
 }
 
 void LLIMFloater::onFocusReceived()
 {
 	LLIMModel::getInstance()->setActiveSessionID(mSessionID);
+
+	LLBottomTray::getInstance()->getChicletPanel()->setChicletToggleState(mSessionID, true);
+
+	if (getVisible())
+	{
+		LLIMModel::instance().sendNoUnreadMessages(mSessionID);
+	}
 }
 
 // virtual
 void LLIMFloater::onClose(bool app_quitting)
 {
+	setTyping(false);
+
+	// The source of much argument and design thrashing
+	// Should the window hide or the session close when the X is clicked?
+	//
+	// Last change:
+	// EXT-3516 X Button should end IM session, _ button should hide
 	gIMMgr->leaveSession(mSessionID);
 }
 
 /* static */
 void LLIMFloater::newIMCallback(const LLSD& data){
 	
-	if (data["num_unread"].asInteger() > 0)
+	if (data["num_unread"].asInteger() > 0 || data["from_id"].asUUID().isNull())
 	{
 		LLUUID session_id = data["session_id"].asUUID();
 
 		LLIMFloater* floater = LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
-		if (floater == NULL)
-		{
-			llwarns << "new_im_callback for non-existent session_id " << session_id << llendl;
-			return;
-		}
+		if (floater == NULL) return;
 
         // update if visible, otherwise will be updated when opened
 		if (floater->getVisible())
@@ -141,6 +188,7 @@ void LLIMFloater::onSendMsg( LLUICtrl* ctrl, void* userdata )
 {
 	LLIMFloater* self = (LLIMFloater*) userdata;
 	self->sendMsg();
+	self->setTyping(false);
 }
 
 void LLIMFloater::sendMsg()
@@ -184,18 +232,27 @@ void LLIMFloater::sendMsg()
 
 LLIMFloater::~LLIMFloater()
 {
+	LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
 }
 
 //virtual
 BOOL LLIMFloater::postBuild()
 {
+	// User-resizable control panels in P2P sessions look ugly (EXT-3470).
+	if (mDialog == IM_NOTHING_SPECIAL || mDialog == IM_SESSION_P2P_INVITE)
+	{
+		getChild<LLLayoutStack>("im_panels")->setPanelUserResize("panel_im_control_panel", FALSE);
+	}
+
 	const LLUUID& other_party_id = LLIMModel::getInstance()->getOtherParticipantID(mSessionID);
 	if (other_party_id.notNull())
 	{
 		mOtherParticipantUUID = other_party_id;
-		mControlPanel->setID(mOtherParticipantUUID);
 	}
 
+	mControlPanel->setSessionId(mSessionID);
+	mControlPanel->setVisible(gSavedSettings.getBOOL("IMShowControlPanel"));
+
 	LLButton* slide_left = getChild<LLButton>("slide_left_btn");
 	slide_left->setVisible(mControlPanel->getVisible());
 	slide_left->setClickedCallback(boost::bind(&LLIMFloater::onSlide, this));
@@ -209,31 +266,65 @@ BOOL LLIMFloater::postBuild()
 	// enable line history support for instant message bar
 	mInputEditor->setEnableLineHistory(TRUE);
 	
+	
 	mInputEditor->setFocusReceivedCallback( boost::bind(onInputEditorFocusReceived, _1, this) );
 	mInputEditor->setFocusLostCallback( boost::bind(onInputEditorFocusLost, _1, this) );
 	mInputEditor->setKeystrokeCallback( onInputEditorKeystroke, this );
 	mInputEditor->setCommitOnFocusLost( FALSE );
 	mInputEditor->setRevertOnEsc( FALSE );
 	mInputEditor->setReplaceNewlinesWithSpaces( FALSE );
+	mInputEditor->setPassDelete( TRUE );
+
+	std::string session_name(LLIMModel::instance().getName(mSessionID));
+
+	mInputEditor->setLabel(LLTrans::getString("IM_to_label") + " " + session_name);
+
+	setTitle(session_name);
 
 	childSetCommitCallback("chat_editor", onSendMsg, this);
 	
 	mChatHistory = getChild<LLChatHistory>("chat_history");
-		
-	setTitle(LLIMModel::instance().getName(mSessionID));
+
 	setDocked(true);
-	
-	if ( gSavedPerAccountSettings.getBOOL("LogShowHistory") )
+
+	mTypingStart = LLTrans::getString("IM_typing_start_string");
+
+	// Disable input editor if session cannot accept text
+	LLIMModel::LLIMSession* im_session =
+		LLIMModel::instance().findIMSession(mSessionID);
+	if( im_session && !im_session->mTextIMPossible )
 	{
-		LLLogChat::loadHistory(getTitle(), &chatFromLogFile, (void *)this);
+		mInputEditor->setEnabled(FALSE);
+		mInputEditor->setLabel(LLTrans::getString("IM_unavailable_text_label"));
 	}
 
 	//*TODO if session is not initialized yet, add some sort of a warning message like "starting session...blablabla"
 	//see LLFloaterIMPanel for how it is done (IB)
 
-	return LLDockableFloater::postBuild();
+	if(isChatMultiTab())
+	{
+		return LLFloater::postBuild();
+	}
+	else
+	{
+		return LLDockableFloater::postBuild();
+	}
 }
 
+// virtual
+void LLIMFloater::draw()
+{
+	if ( mMeTyping )
+	{
+		// Time out if user hasn't typed for a while.
+		if ( mTypingTimeoutTimer.getElapsedTimeF32() > LLAgent::TYPING_TIMEOUT_SECS )
+		{
+			setTyping(false);
+		}
+	}
+
+	LLTransientDockableFloater::draw();
+}
 
 
 // static
@@ -255,82 +346,140 @@ void* LLIMFloater::createPanelGroupControl(void* userdata)
 	return self->mControlPanel;
 }
 
+// static
+void* LLIMFloater::createPanelAdHocControl(void* userdata)
+{
+	LLIMFloater *self = (LLIMFloater*)userdata;
+	self->mControlPanel = new LLPanelAdHocControlPanel(self->mSessionID);
+	self->mControlPanel->setXMLFilename("panel_adhoc_control_panel.xml");
+	return self->mControlPanel;
+}
+
 void LLIMFloater::onSlide()
 {
-	LLPanel* im_control_panel = getChild<LLPanel>("panel_im_control_panel");
-	im_control_panel->setVisible(!im_control_panel->getVisible());
+	mControlPanel->setVisible(!mControlPanel->getVisible());
+
+	gSavedSettings.setBOOL("IMShowControlPanel", mControlPanel->getVisible());
+
+	getChild<LLButton>("slide_left_btn")->setVisible(mControlPanel->getVisible());
+	getChild<LLButton>("slide_right_btn")->setVisible(!mControlPanel->getVisible());
 
-	getChild<LLButton>("slide_left_btn")->setVisible(im_control_panel->getVisible());
-	getChild<LLButton>("slide_right_btn")->setVisible(!im_control_panel->getVisible());
+	LLLayoutStack* stack = getChild<LLLayoutStack>("im_panels");
+	if (stack) stack->setAnimate(true);
 }
 
 //static
 LLIMFloater* LLIMFloater::show(const LLUUID& session_id)
 {
-	//hide all
-	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)
+	if (!gIMMgr->hasSession(session_id)) return NULL;
+
+	if(!isChatMultiTab())
 	{
-		LLIMFloater* floater = dynamic_cast<LLIMFloater*>(*iter);
-		if (floater && floater->isDocked())
+		//hide all
+		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)
 		{
-			floater->setVisible(false);
+			LLIMFloater* floater = dynamic_cast<LLIMFloater*>(*iter);
+			if (floater && floater->isDocked())
+			{
+				floater->setVisible(false);
+			}
 		}
 	}
 
-	LLIMFloater* floater = LLFloaterReg::showTypedInstance<LLIMFloater>("impanel", session_id);
+	bool exist = findInstance(session_id);
 
-	floater->updateMessages();
-	floater->mInputEditor->setFocus(TRUE);
+	LLIMFloater* floater = getInstance(session_id);
+	if (!floater) return NULL;
 
-	if (floater->getDockControl() == NULL)
+	if(isChatMultiTab())
 	{
-		LLChiclet* chiclet =
-				LLBottomTray::getInstance()->getChicletPanel()->findChiclet<LLChiclet>(
-						session_id);
-		if (chiclet == NULL)
+		LLIMFloaterContainer* floater_container = LLIMFloaterContainer::getInstance();
+
+		// do not add existed floaters to avoid adding torn off instances
+		if (!exist)
 		{
-			llerror("Dock chiclet for LLIMFloater doesn't exists", 0);
+			//		LLTabContainer::eInsertionPoint i_pt = user_initiated ? LLTabContainer::RIGHT_OF_CURRENT : LLTabContainer::END;
+			// TODO: mantipov: use LLTabContainer::RIGHT_OF_CURRENT if it exists
+			LLTabContainer::eInsertionPoint i_pt = LLTabContainer::END;
+			
+			if (floater_container)
+			{
+				floater_container->addFloater(floater, TRUE, i_pt);
+			}
 		}
-		else
+
+		floater->openFloater(floater->getKey());
+	}
+	else
+	{
+		// Docking may move chat window, hide it before moving, or user will see how window "jumps"
+		floater->setVisible(false);
+
+		if (floater->getDockControl() == NULL)
 		{
-			LLBottomTray::getInstance()->getChicletPanel()->scrollToChiclet(chiclet);
+			LLChiclet* chiclet =
+					LLBottomTray::getInstance()->getChicletPanel()->findChiclet<LLChiclet>(
+							session_id);
+			if (chiclet == NULL)
+			{
+				llerror("Dock chiclet for LLIMFloater doesn't exists", 0);
+			}
+			else
+			{
+				LLBottomTray::getInstance()->getChicletPanel()->scrollToChiclet(chiclet);
+			}
+
+			floater->setDockControl(new LLDockControl(chiclet, floater, floater->getDockTongue(),
+					LLDockControl::TOP,  boost::bind(&LLIMFloater::getAllowedRect, floater, _1)));
 		}
 
-		floater->setDockControl(new LLDockControl(chiclet, floater, floater->getDockTongue(),
-				LLDockControl::TOP,  boost::bind(&LLIMFloater::getAllowedRect, floater, _1)));
+		// window is positioned, now we can show it.
 	}
+	floater->setVisible(TRUE);
 
 	return floater;
 }
 
 void LLIMFloater::getAllowedRect(LLRect& rect)
 {
-	rect = gViewerWindow->getWorldViewRect();
+	rect = gViewerWindow->getWorldViewRectScaled();
+	static S32 right_padding = 0;
+	if (right_padding == 0)
+	{
+		LLPanel* side_bar_tabs =
+				gViewerWindow->getRootView()->getChild<LLPanel> (
+						"side_bar_tabs");
+		right_padding = side_bar_tabs->getRect().getWidth();
+		LLTransientFloaterMgr::getInstance()->addControlView(side_bar_tabs);
+	}
+	rect.mRight -= right_padding;
 }
 
 void LLIMFloater::setDocked(bool docked, bool pop_on_undock)
 {
 	// update notification channel state
-	LLNotificationsUI::LLScreenChannel* channel = dynamic_cast<LLNotificationsUI::LLScreenChannel*>
+	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
 		(LLNotificationsUI::LLChannelManager::getInstance()->
 											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
-
-	setCanResize(!docked);
 	
-	LLTransientDockableFloater::setDocked(docked, pop_on_undock);
+	if(!isChatMultiTab())
+	{
+		LLTransientDockableFloater::setDocked(docked, pop_on_undock);
+	}
 
 	// update notification channel state
 	if(channel)
 	{
 		channel->updateShowToastsState();
+		channel->redrawToasts();
 	}
 }
 
 void LLIMFloater::setVisible(BOOL visible)
 {
-	LLNotificationsUI::LLScreenChannel* channel = dynamic_cast<LLNotificationsUI::LLScreenChannel*>
+	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
 		(LLNotificationsUI::LLChannelManager::getInstance()->
 											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
 	LLTransientDockableFloater::setVisible(visible);
@@ -339,34 +488,82 @@ void LLIMFloater::setVisible(BOOL visible)
 	if(channel)
 	{
 		channel->updateShowToastsState();
+		channel->redrawToasts();
+	}
+
+	BOOL is_minimized = visible && isChatMultiTab()
+		? LLIMFloaterContainer::getInstance()->isMinimized()
+		: !visible;
+
+	if (!is_minimized && mChatHistory && mInputEditor)
+	{
+		//only if floater was construced and initialized from xml
+		updateMessages();
+		//prevent steal focus when IM opened in multitab mode
+		if (!isChatMultiTab())
+		{
+			mInputEditor->setFocus(TRUE);
+		}
+	}
+
+	if(!visible)
+	{
+		LLIMChiclet* chiclet = LLBottomTray::getInstance()->getChicletPanel()->findChiclet<LLIMChiclet>(mSessionID);
+		if(chiclet)
+		{
+			chiclet->setToggleState(false);
+		}
 	}
 }
 
-//static
-bool LLIMFloater::toggle(const LLUUID& session_id)
+BOOL LLIMFloater::getVisible()
 {
-	LLIMFloater* floater = LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
-	if (floater && floater->getVisible() && floater->isDocked())
+	if(isChatMultiTab())
 	{
-		// clicking on chiclet to close floater just hides it to maintain existing
-		// scroll/text entry state
-		floater->setVisible(false);
-		return false;
+		LLIMFloaterContainer* im_container = LLIMFloaterContainer::getInstance();
+		
+		// Treat inactive floater as invisible.
+		bool is_active = im_container->getActiveFloater() == this;
+	
+		//torn off floater is always inactive
+		if (!is_active && getHost() != im_container)
+		{
+			return LLTransientDockableFloater::getVisible();
+		}
+
+		// getVisible() returns TRUE when Tabbed IM window is minimized.
+		return is_active && !im_container->isMinimized() && im_container->getVisible();
 	}
-	else if(floater && !floater->isDocked())
+	else
 	{
-		floater->setVisible(TRUE);
-		floater->setFocus(TRUE);
-		return true;
+		return LLTransientDockableFloater::getVisible();
 	}
-	else
+}
+
+//static
+bool LLIMFloater::toggle(const LLUUID& session_id)
+{
+	if(!isChatMultiTab())
 	{
-		// ensure the list of messages is updated when floater is made visible
-		show(session_id);
-		// update number of unread notifications in the SysWell
-		LLBottomTray::getInstance()->getSysWell()->updateUreadIMNotifications();
-		return true;
+		LLIMFloater* floater = LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
+		if (floater && floater->getVisible() && floater->hasFocus())
+		{
+			// clicking on chiclet to close floater just hides it to maintain existing
+			// scroll/text entry state
+			floater->setVisible(false);
+			return false;
+		}
+		else if(floater && (!floater->isDocked() || floater->getVisible() && !floater->hasFocus()))
+		{
+			floater->setVisible(TRUE);
+			floater->setFocus(TRUE);
+			return true;
+		}
 	}
+
+	// ensure the list of messages is updated when floater is made visible
+	show(session_id);
+	return true;
 }
 
 //static
@@ -375,14 +572,27 @@ LLIMFloater* LLIMFloater::findInstance(const LLUUID& session_id)
 	return LLFloaterReg::findTypedInstance<LLIMFloater>("impanel", session_id);
 }
 
+LLIMFloater* LLIMFloater::getInstance(const LLUUID& session_id)
+{
+	return LLFloaterReg::getTypedInstance<LLIMFloater>("impanel", session_id);
+}
+
 void LLIMFloater::sessionInitReplyReceived(const LLUUID& im_session_id)
 {
 	mSessionInitialized = true;
 
+	//will be different only for an ad-hoc im session
 	if (mSessionID != im_session_id)
 	{
 		mSessionID = im_session_id;
 		setKey(im_session_id);
+		mControlPanel->setSessionId(im_session_id);
+	}
+
+	// updating "Call" button from group control panel here to enable it without placing into draw() (EXT-4796)
+	if(gAgent.isInGroup(im_session_id))
+	{
+		mControlPanel->updateCallButton();
 	}
 	
 	//*TODO here we should remove "starting session..." warning message if we added it in postBuild() (IB)
@@ -402,55 +612,123 @@ void LLIMFloater::sessionInitReplyReceived(const LLUUID& im_session_id)
 
 void LLIMFloater::updateMessages()
 {
-	std::list<LLSD> messages = LLIMModel::instance().getMessages(mSessionID, mLastMessageIndex+1);
-	std::string agent_name;
+	bool use_plain_text_chat_history = gSavedSettings.getBOOL("PlainTextChatHistory");
+
+	std::list<LLSD> messages;
 
-	gCacheName->getFullName(gAgentID, agent_name);
+	// we shouldn't reset unread message counters if IM floater doesn't have focus
+	if (hasFocus())
+	{
+		LLIMModel::instance().getMessages(mSessionID, messages, mLastMessageIndex+1);
+	}
+	else
+	{
+		LLIMModel::instance().getMessagesSilently(mSessionID, messages, mLastMessageIndex+1);
+	}
 
 	if (messages.size())
 	{
-		LLUIColor chat_color = LLUIColorTable::instance().getColor("IMChatColor");
+//		LLUIColor chat_color = LLUIColorTable::instance().getColor("IMChatColor");
+
+		LLSD chat_args;
+		chat_args["use_plain_text_chat_history"] = use_plain_text_chat_history;
 
 		std::ostringstream message;
 		std::list<LLSD>::const_reverse_iterator iter = messages.rbegin();
 		std::list<LLSD>::const_reverse_iterator iter_end = messages.rend();
-	    for (; iter != iter_end; ++iter)
+		for (; iter != iter_end; ++iter)
 		{
 			LLSD msg = *iter;
 
-			std::string from = msg["from"].asString();
 			std::string time = msg["time"].asString();
 			LLUUID from_id = msg["from_id"].asUUID();
+			std::string from = msg["from"].asString();
 			std::string message = msg["message"].asString();
-			LLStyle::Params style_params;
-			style_params.color(chat_color);
+			bool is_history = msg["is_history"].asBoolean();
 
-			if (from == agent_name)
-				from = LLTrans::getString("You");
-
-			mChatHistory->appendWidgetMessage(from_id, from, time, message, style_params);
+			LLChat chat;
+			chat.mFromID = from_id;
+			chat.mSessionID = mSessionID;
+			chat.mFromName = from;
+			chat.mTimeStr = time;
+			chat.mChatStyle = is_history ? CHAT_STYLE_HISTORY : chat.mChatStyle;
 
+			// process offer notification
+			if (msg.has("notification_id"))
+			{
+				chat.mNotifId = msg["notification_id"].asUUID();
+				// if notification exists - embed it
+				if (LLNotificationsUtil::find(chat.mNotifId) != NULL)
+				{
+					// remove embedded notification from channel
+					LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
+							(LLNotificationsUI::LLChannelManager::getInstance()->
+																findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
+					if (getVisible())
+					{
+						// toast will be automatically closed since it is not storable toast
+						channel->hideToast(chat.mNotifId);
+					}
+				}
+				// if notification doesn't exist - try to use next message which should be log entry
+				else
+				{
+					continue;
+				}
+			}
+			//process text message
+			else
+			{
+				chat.mText = message;
+			}
+			
+			mChatHistory->appendMessage(chat, chat_args);
 			mLastMessageIndex = msg["index"].asInteger();
+
+			// if it is a notification - next message is a notification history log, so skip it
+			if (chat.mNotifId.notNull() && LLNotificationsUtil::find(chat.mNotifId) != NULL)
+			{
+				if (++iter == iter_end)
+				{
+					break;
+				}
+				else
+				{
+					mLastMessageIndex++;
+				}
+			}
 		}
 	}
 }
 
+void LLIMFloater::reloadMessages()
+{
+	mChatHistory->clear();
+	mLastMessageIndex = -1;
+	updateMessages();
+}
+
 // static
 void LLIMFloater::onInputEditorFocusReceived( LLFocusableElement* caller, void* userdata )
 {
 	LLIMFloater* self= (LLIMFloater*) userdata;
 
-	//in disconnected state IM input editor should be disabled
-	self->mInputEditor->setEnabled(!gDisconnected);
-
-	self->mChatHistory->setCursorAndScrollToEnd();
+	// Allow enabling the LLIMFloater input editor only if session can accept text
+	LLIMModel::LLIMSession* im_session =
+		LLIMModel::instance().findIMSession(self->mSessionID);
+	//TODO: While disabled lllineeditor can receive focus we need to check if it is enabled (EK)
+	if( im_session && im_session->mTextIMPossible && self->mInputEditor->getEnabled())
+	{
+		//in disconnected state IM input editor should be disabled
+		self->mInputEditor->setEnabled(!gDisconnected);
+	}
 }
 
 // static
 void LLIMFloater::onInputEditorFocusLost(LLFocusableElement* caller, void* userdata)
 {
 	LLIMFloater* self = (LLIMFloater*) userdata;
-	self->setTyping(FALSE);
+	self->setTyping(false);
 }
 
 // static
@@ -460,53 +738,397 @@ void LLIMFloater::onInputEditorKeystroke(LLLineEditor* caller, void* userdata)
 	std::string text = self->mInputEditor->getText();
 	if (!text.empty())
 	{
-		self->setTyping(TRUE);
+		self->setTyping(true);
 	}
 	else
 	{
 		// Deleting all text counts as stopping typing.
-		self->setTyping(FALSE);
+		self->setTyping(false);
+	}
+}
+
+void LLIMFloater::setTyping(bool typing)
+{
+	if ( typing )
+	{
+		// Started or proceeded typing, reset the typing timeout timer
+		mTypingTimeoutTimer.reset();
+	}
+
+	if ( mMeTyping != typing )
+	{
+		// Typing state is changed
+		mMeTyping = typing;
+		// So, should send current state
+		mShouldSendTypingState = true;
+		// In case typing is started, send state after some delay
+		mTypingTimer.reset();
+	}
+
+	// Don't want to send typing indicators to multiple people, potentially too
+	// much network traffic. Only send in person-to-person IMs.
+	if ( mShouldSendTypingState && mDialog == IM_NOTHING_SPECIAL )
+	{
+		if ( mMeTyping )
+		{
+			if ( mTypingTimer.getElapsedTimeF32() > 1.f )
+			{
+				// Still typing, send 'start typing' notification
+				LLIMModel::instance().sendTypingState(mSessionID, mOtherParticipantUUID, TRUE);
+				mShouldSendTypingState = false;
+			}
+		}
+		else
+		{
+			// Send 'stop typing' notification immediately
+			LLIMModel::instance().sendTypingState(mSessionID, mOtherParticipantUUID, FALSE);
+			mShouldSendTypingState = false;
+		}
+	}
+
+	LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+	if (speaker_mgr)
+		speaker_mgr->setSpeakerTyping(gAgent.getID(), FALSE);
+
+}
+
+void LLIMFloater::processIMTyping(const LLIMInfo* im_info, BOOL typing)
+{
+	if ( typing )
+	{
+		// other user started typing
+		addTypingIndicator(im_info);
+	}
+	else
+	{
+		// other user stopped typing
+		removeTypingIndicator(im_info);
 	}
 }
 
+void LLIMFloater::processAgentListUpdates(const LLSD& body)
+{
+	if ( !body.isMap() ) return;
+
+	if ( body.has("agent_updates") && body["agent_updates"].isMap() )
+	{
+		LLSD agent_data = body["agent_updates"].get(gAgentID.asString());
+		if (agent_data.isMap() && agent_data.has("info"))
+		{
+			LLSD agent_info = agent_data["info"];
+
+			if (agent_info.has("mutes"))
+			{
+				BOOL moderator_muted_text = agent_info["mutes"]["text"].asBoolean(); 
+				mInputEditor->setEnabled(!moderator_muted_text);
+				std::string label;
+				if (moderator_muted_text)
+					label = LLTrans::getString("IM_muted_text_label");
+				else
+					label = LLTrans::getString("IM_to_label") + " " + LLIMModel::instance().getName(mSessionID);
+				mInputEditor->setLabel(label);
+
+				if (moderator_muted_text)
+					LLNotificationsUtil::add("TextChatIsMutedByModerator");
+			}
+		}
+	}
+}
 
-//just a stub for now
-void LLIMFloater::setTyping(BOOL typing)
+void LLIMFloater::updateChatHistoryStyle()
 {
+	mChatHistory->clear();
+	mLastMessageIndex = -1;
+	updateMessages();
 }
 
-void LLIMFloater::chatFromLogFile(LLLogChat::ELogLineType type, std::string line, void* userdata)
+void LLIMFloater::processChatHistoryStyleUpdate(const LLSD& newvalue)
 {
-	if (!userdata) return;
+	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)
+	{
+		LLIMFloater* floater = dynamic_cast<LLIMFloater*>(*iter);
+		if (floater)
+		{
+			floater->updateChatHistoryStyle();
+		}
+	}
 
-	LLIMFloater* self = (LLIMFloater*) userdata;
-	std::string message = line;
-	S32 im_log_option =  gSavedPerAccountSettings.getS32("IMLogOptions");
-	switch (type)
+}
+
+void LLIMFloater::processSessionUpdate(const LLSD& session_update)
+{
+	// *TODO : verify following code when moderated mode will be implemented
+	if ( false && session_update.has("moderated_mode") &&
+		 session_update["moderated_mode"].has("voice") )
 	{
-	case LLLogChat::LOG_EMPTY:
-		// add warning log enabled message
-		if (im_log_option!=LOG_CHAT)
+		BOOL voice_moderated = session_update["moderated_mode"]["voice"];
+		const std::string session_label = LLIMModel::instance().getName(mSessionID);
+
+		if (voice_moderated)
+		{
+			setTitle(session_label + std::string(" ") + LLTrans::getString("IM_moderated_chat_label"));
+		}
+		else
+		{
+			setTitle(session_label);
+		}
+
+		// *TODO : uncomment this when/if LLPanelActiveSpeakers panel will be added
+		//update the speakers dropdown too
+		//mSpeakerPanel->setVoiceModerationCtrlMode(voice_moderated);
+	}
+}
+
+BOOL LLIMFloater::handleDragAndDrop(S32 x, S32 y, MASK mask,
+						   BOOL drop, EDragAndDropType cargo_type,
+						   void *cargo_data, EAcceptance *accept,
+						   std::string& tooltip_msg)
+{
+
+	if (mDialog == IM_NOTHING_SPECIAL)
+	{
+		LLToolDragAndDrop::handleGiveDragAndDrop(mOtherParticipantUUID, mSessionID, drop,
+												 cargo_type, cargo_data, accept);
+	}
+
+	// handle case for dropping calling cards (and folders of calling cards) onto invitation panel for invites
+	else if (isInviteAllowed())
+	{
+		*accept = ACCEPT_NO;
+
+		if (cargo_type == DAD_CALLINGCARD)
 		{
-			message = LLTrans::getString("IM_logging_string");
+			if (dropCallingCard((LLInventoryItem*)cargo_data, drop))
+			{
+				*accept = ACCEPT_YES_MULTI;
+			}
 		}
-		break;
-	case LLLogChat::LOG_END:
-		// add log end message
-		if (im_log_option!=LOG_CHAT)
+		else if (cargo_type == DAD_CATEGORY)
 		{
-			message = LLTrans::getString("IM_logging_string");
+			if (dropCategory((LLInventoryCategory*)cargo_data, drop))
+			{
+				*accept = ACCEPT_YES_MULTI;
+			}
 		}
-		break;
-	case LLLogChat::LOG_LINE:
-		// just add normal lines from file
-		break;
-	default:
-		// nothing
-		break;
 	}
+	return TRUE;
+}
 
-	self->mChatHistory->appendText(message, true, LLStyle::Params().color(LLUIColorTable::instance().getColor("ChatHistoryTextColor")));
-	self->mChatHistory->blockUndo();
+BOOL LLIMFloater::dropCallingCard(LLInventoryItem* item, BOOL drop)
+{
+	BOOL rv = isInviteAllowed();
+	if(rv && item && item->getCreatorUUID().notNull())
+	{
+		if(drop)
+		{
+			uuid_vec_t ids;
+			ids.push_back(item->getCreatorUUID());
+			inviteToSession(ids);
+		}
+	}
+	else
+	{
+		// set to false if creator uuid is null.
+		rv = FALSE;
+	}
+	return rv;
 }
 
+BOOL LLIMFloater::dropCategory(LLInventoryCategory* category, BOOL drop)
+{
+	BOOL rv = isInviteAllowed();
+	if(rv && category)
+	{
+		LLInventoryModel::cat_array_t cats;
+		LLInventoryModel::item_array_t items;
+		LLUniqueBuddyCollector buddies;
+		gInventory.collectDescendentsIf(category->getUUID(),
+										cats,
+										items,
+										LLInventoryModel::EXCLUDE_TRASH,
+										buddies);
+		S32 count = items.count();
+		if(count == 0)
+		{
+			rv = FALSE;
+		}
+		else if(drop)
+		{
+			uuid_vec_t ids;
+			ids.reserve(count);
+			for(S32 i = 0; i < count; ++i)
+			{
+				ids.push_back(items.get(i)->getCreatorUUID());
+			}
+			inviteToSession(ids);
+		}
+	}
+	return rv;
+}
+
+BOOL LLIMFloater::isInviteAllowed() const
+{
+
+	return ( (IM_SESSION_CONFERENCE_START == mDialog)
+			 || (IM_SESSION_INVITE == mDialog) );
+}
+
+class LLSessionInviteResponder : public LLHTTPClient::Responder
+{
+public:
+	LLSessionInviteResponder(const LLUUID& session_id)
+	{
+		mSessionID = session_id;
+	}
+
+	void error(U32 statusNum, const std::string& reason)
+	{
+		llinfos << "Error inviting all agents to session" << llendl;
+		//throw something back to the viewer here?
+	}
+
+private:
+	LLUUID mSessionID;
+};
+
+BOOL LLIMFloater::inviteToSession(const uuid_vec_t& ids)
+{
+	LLViewerRegion* region = gAgent.getRegion();
+	if (!region)
+	{
+		return FALSE;
+	}
+
+	S32 count = ids.size();
+
+	if( isInviteAllowed() && (count > 0) )
+	{
+		llinfos << "LLIMFloater::inviteToSession() - inviting participants" << llendl;
+
+		std::string url = region->getCapability("ChatSessionRequest");
+
+		LLSD data;
+
+		data["params"] = LLSD::emptyArray();
+		for (int i = 0; i < count; i++)
+		{
+			data["params"].append(ids[i]);
+		}
+
+		data["method"] = "invite";
+		data["session-id"] = mSessionID;
+		LLHTTPClient::post(
+			url,
+			data,
+			new LLSessionInviteResponder(
+					mSessionID));
+	}
+	else
+	{
+		llinfos << "LLIMFloater::inviteToSession -"
+				<< " no need to invite agents for "
+				<< mDialog << llendl;
+		// successful add, because everyone that needed to get added
+		// was added.
+	}
+
+	return TRUE;
+}
+
+void LLIMFloater::addTypingIndicator(const LLIMInfo* im_info)
+{
+	// We may have lost a "stop-typing" packet, don't add it twice
+	if ( im_info && !mOtherTyping )
+	{
+		mOtherTyping = true;
+
+		// Create typing is started title string
+		LLUIString typing_start(mTypingStart);
+		typing_start.setArg("[NAME]", im_info->mName);
+
+		// Save and set new title
+		mSavedTitle = getTitle();
+		setTitle (typing_start);
+
+		// Update speaker
+		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+		if ( speaker_mgr )
+		{
+			speaker_mgr->setSpeakerTyping(im_info->mFromID, TRUE);
+		}
+	}
+}
+
+void LLIMFloater::removeTypingIndicator(const LLIMInfo* im_info)
+{
+	if ( mOtherTyping )
+	{
+		mOtherTyping = false;
+
+		// Revert the title to saved one
+		setTitle(mSavedTitle);
+
+		if ( im_info )
+		{
+			// Update speaker
+			LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+			if ( speaker_mgr )
+			{
+				speaker_mgr->setSpeakerTyping(im_info->mFromID, FALSE);
+			}
+		}
+
+	}
+}
+
+// static
+bool LLIMFloater::isChatMultiTab()
+{
+	// Restart is required in order to change chat window type.
+	static bool is_single_window = gSavedSettings.getS32("ChatWindow") == 1;
+	return is_single_window;
+}
+
+// static
+void LLIMFloater::initIMFloater()
+{
+	// This is called on viewer start up
+	// init chat window type before user changed it in preferences
+	isChatMultiTab();
+}
+
+//static
+void LLIMFloater::sRemoveTypingIndicator(const LLSD& data)
+{
+	LLUUID session_id = data["session_id"];
+	if (session_id.isNull()) return;
+
+	LLUUID from_id = data["from_id"];
+	if (gAgentID == from_id || LLUUID::null == from_id) return;
+
+	LLIMFloater* floater = LLIMFloater::findInstance(session_id);
+	if (!floater) return;
+
+	if (IM_NOTHING_SPECIAL != floater->mDialog) return;
+
+	floater->removeTypingIndicator();
+}
+
+void LLIMFloater::onIMChicletCreated( const LLUUID& session_id )
+{
+
+	if (isChatMultiTab())
+	{
+		LLIMFloaterContainer* im_box = LLIMFloaterContainer::getInstance();
+		if (!im_box) return;
+
+		if (LLIMFloater::findInstance(session_id)) return;
+
+		LLIMFloater* new_tab = LLIMFloater::getInstance(session_id);
+
+		im_box->addFloater(new_tab, FALSE, LLTabContainer::END);
+	}
+
+}