Automated merge with https://bitbucket.org/lindenlab/davep-materials

1 files changed, 1276 insertions, 0 deletions

diff --git a/indra/newview/llfloaterimsession.cpp b/indra/newview/llfloaterimsession.cpp
new file mode 100644
index 0000000000..6d5145f205
--- /dev/null
+++ b/indra/newview/llfloaterimsession.cpp
@@ -0,0 +1,1276 @@
+/** 
+ * @file llfloaterimsession.cpp
+ * @brief LLFloaterIMSession class definition
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h"
+
+#include "llfloaterimsession.h"
+
+#include "lldraghandle.h"
+#include "llnotificationsutil.h"
+
+#include "llagent.h"
+#include "llappviewer.h"
+#include "llavataractions.h"
+#include "llavatarnamecache.h"
+#include "llbutton.h"
+#include "llchannelmanager.h"
+#include "llchiclet.h"
+#include "llchicletbar.h"
+#include "llfloaterreg.h"
+#include "llfloateravatarpicker.h"
+#include "llfloaterimcontainer.h" // to replace separate IM Floaters with multifloater container
+#include "llinventoryfunctions.h"
+//#include "lllayoutstack.h"
+#include "llchatentry.h"
+#include "lllogchat.h"
+#include "llscreenchannel.h"
+#include "llsyswellwindow.h"
+#include "lltrans.h"
+#include "llchathistory.h"
+#include "llnotifications.h"
+#include "llviewerwindow.h"
+#include "lltransientfloatermgr.h"
+#include "llinventorymodel.h"
+#include "llrootview.h"
+#include "llspeakers.h"
+#include "llviewerchat.h"
+#include "llnotificationmanager.h"
+#include "llautoreplace.h"
+
+floater_showed_signal_t LLFloaterIMSession::sIMFloaterShowedSignal;
+
+LLFloaterIMSession::LLFloaterIMSession(const LLUUID& session_id)
+  : LLFloaterIMSessionTab(session_id),
+	mLastMessageIndex(-1),
+	mDialog(IM_NOTHING_SPECIAL),
+	mTypingStart(),
+	mShouldSendTypingState(false),
+	mMeTyping(false),
+	mOtherTyping(false),
+	mSessionNameUpdatedForTyping(false),
+	mTypingTimer(),
+	mTypingTimeoutTimer(),
+	mPositioned(false),
+	mSessionInitialized(false)
+{
+	mIsNearbyChat = false;
+
+	initIMSession(session_id);
+		
+	setOverlapsScreenChannel(true);
+
+	LLTransientFloaterMgr::getInstance()->addControlView(LLTransientFloaterMgr::IM, this);
+    mEnableCallbackRegistrar.add("Avatar.EnableGearItem", boost::bind(&LLFloaterIMSession::enableGearMenuItem, this, _2));
+    mCommitCallbackRegistrar.add("Avatar.GearDoToSelected", boost::bind(&LLFloaterIMSession::GearDoToSelected, this, _2));
+    mEnableCallbackRegistrar.add("Avatar.CheckGearItem", boost::bind(&LLFloaterIMSession::checkGearMenuItem, this, _2));
+
+    setDocked(true);
+}
+
+
+// virtual
+void LLFloaterIMSession::refresh()
+{
+	if (mMeTyping)
+{
+		// Time out if user hasn't typed for a while.
+		if (mTypingTimeoutTimer.getElapsedTimeF32() > LLAgent::TYPING_TIMEOUT_SECS)
+		{
+	setTyping(false);
+		}
+	}
+}
+
+// virtual
+void LLFloaterIMSession::onTearOffClicked()
+{
+    LLFloaterIMSessionTab::onTearOffClicked();
+
+    if(mIsP2PChat)
+    {
+        if(isTornOff())
+        {
+            mSpeakingIndicator->setSpeakerId(mOtherParticipantUUID, mSessionID);
+        }
+        else
+        {
+            mSpeakingIndicator->setSpeakerId(LLUUID::null);
+        }
+    }
+}
+
+// virtual
+void LLFloaterIMSession::onClickCloseBtn()
+{
+	LLIMModel::LLIMSession* session = LLIMModel::instance().findIMSession(mSessionID);
+
+	if (session != NULL)
+	{
+		bool is_call_with_chat = session->isGroupSessionType()
+				|| session->isAdHocSessionType() || session->isP2PSessionType();
+
+		LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+
+		if (is_call_with_chat && voice_channel != NULL
+				&& voice_channel->isActive())
+		{
+			LLSD payload;
+			payload["session_id"] = mSessionID;
+			LLNotificationsUtil::add("ConfirmLeaveCall", LLSD(), payload, confirmLeaveCallCallback);
+			return;
+		}
+	}
+	else
+	{
+		llwarns << "Empty session with id: " << (mSessionID.asString()) << llendl;
+		return;
+	}
+
+	LLFloaterIMSessionTab::onClickCloseBtn();
+}
+
+/* static */
+void LLFloaterIMSession::newIMCallback(const LLSD& data)
+{
+	if (data["num_unread"].asInteger() > 0 || data["from_id"].asUUID().isNull())
+	{
+		LLUUID session_id = data["session_id"].asUUID();
+
+		LLFloaterIMSession* floater = LLFloaterReg::findTypedInstance<LLFloaterIMSession>("impanel", session_id);
+
+        // update if visible, otherwise will be updated when opened
+		if (floater && floater->isInVisibleChain())
+		{
+			floater->updateMessages();
+		}
+	}
+}
+
+void LLFloaterIMSession::onVisibilityChange(const LLSD& new_visibility)
+{
+	bool visible = new_visibility.asBoolean();
+
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+
+	if (visible && voice_channel &&
+		voice_channel->getState() == LLVoiceChannel::STATE_CONNECTED)
+	{
+		LLFloaterReg::showInstance("voice_call", mSessionID);
+	}
+	else
+	{
+		LLFloaterReg::hideInstance("voice_call", mSessionID);
+	}
+}
+
+void LLFloaterIMSession::onSendMsg( LLUICtrl* ctrl, void* userdata )
+{
+	LLFloaterIMSession* self = (LLFloaterIMSession*) userdata;
+	self->sendMsgFromInputEditor();
+	self->setTyping(false);
+}
+
+bool LLFloaterIMSession::enableGearMenuItem(const LLSD& userdata)
+{
+    std::string command = userdata.asString();
+    uuid_vec_t selected_uuids;
+    selected_uuids.push_back(mOtherParticipantUUID);
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	return floater_container->enableContextMenuItem(command, selected_uuids);
+}
+
+void LLFloaterIMSession::GearDoToSelected(const LLSD& userdata)
+{
+	std::string command = userdata.asString();
+    uuid_vec_t selected_uuids;
+    selected_uuids.push_back(mOtherParticipantUUID);
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	floater_container->doToParticipants(command, selected_uuids);
+}
+
+bool LLFloaterIMSession::checkGearMenuItem(const LLSD& userdata)
+{
+	std::string command = userdata.asString();
+	uuid_vec_t selected_uuids;
+	selected_uuids.push_back(mOtherParticipantUUID);
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+	return floater_container->checkContextMenuItem(command, selected_uuids);
+}
+
+void LLFloaterIMSession::sendMsgFromInputEditor()
+{
+	if (gAgent.isGodlike()
+		|| (mDialog != IM_NOTHING_SPECIAL)
+		|| !mOtherParticipantUUID.isNull())
+	{
+		if (mInputEditor)
+		{
+			LLWString text = mInputEditor->getWText();
+			LLWStringUtil::trim(text);
+			LLWStringUtil::replaceChar(text,182,'\n'); // Convert paragraph symbols back into newlines.
+			if(!text.empty())
+			{
+				// Truncate and convert to UTF8 for transport
+				std::string utf8_text = wstring_to_utf8str(text);
+
+				sendMsg(utf8_text);
+
+				mInputEditor->setText(LLStringUtil::null);
+			}
+		}
+	}
+	else
+	{
+		llinfos << "Cannot send IM to everyone unless you're a god." << llendl;
+	}
+}
+
+void LLFloaterIMSession::sendMsg(const std::string& msg)
+{
+	const std::string utf8_text = utf8str_truncate(msg, MAX_MSG_BUF_SIZE - 1);
+
+	if (mSessionInitialized)
+	{
+		LLIMModel::sendMessage(utf8_text, mSessionID, mOtherParticipantUUID, mDialog);
+	}
+	else
+	{
+		//queue up the message to send once the session is initialized
+		mQueuedMsgsForInit.append(utf8_text);
+	}
+
+	updateMessages();
+}
+
+LLFloaterIMSession::~LLFloaterIMSession()
+{
+	mVoiceChannelStateChangeConnection.disconnect();
+	if(LLVoiceClient::instanceExists())
+	{
+		LLVoiceClient::getInstance()->removeObserver(this);
+	}
+
+	LLTransientFloaterMgr::getInstance()->removeControlView(LLTransientFloaterMgr::IM, this);
+}
+
+
+void LLFloaterIMSession::initIMSession(const LLUUID& session_id)
+{
+	// Change the floater key to bind it to a new session.
+	setKey(session_id);
+
+	mSessionID = session_id;
+	mSession = LLIMModel::getInstance()->findIMSession(mSessionID);
+
+	if (mSession)
+	{
+		mIsP2PChat = mSession->isP2PSessionType();
+		mSessionInitialized = mSession->mSessionInitialized;
+		mDialog = mSession->mType;
+	}
+}
+
+void LLFloaterIMSession::initIMFloater()
+{
+	const LLUUID& other_party_id =
+			LLIMModel::getInstance()->getOtherParticipantID(mSessionID);
+	if (other_party_id.notNull())
+	{
+		mOtherParticipantUUID = other_party_id;
+	}
+
+	boundVoiceChannel();
+
+	mTypingStart = LLTrans::getString("IM_typing_start_string");
+
+	// Show control panel in torn off floaters only.
+	mParticipantListPanel->setVisible(!getHost() && gSavedSettings.getBOOL("IMShowControlPanel"));
+
+	// Disable input editor if session cannot accept text
+	if ( mSession && !mSession->mTextIMPossible )
+	{
+		mInputEditor->setEnabled(FALSE);
+		mInputEditor->setLabel(LLTrans::getString("IM_unavailable_text_label"));
+	}
+
+	if (!mIsP2PChat)
+	{
+		std::string session_name(LLIMModel::instance().getName(mSessionID));
+		updateSessionName(session_name);
+	}
+}
+
+//virtual
+BOOL LLFloaterIMSession::postBuild()
+{
+	BOOL result = LLFloaterIMSessionTab::postBuild();
+
+	mInputEditor->setMaxTextLength(1023);
+	mInputEditor->setAutoreplaceCallback(boost::bind(&LLAutoReplace::autoreplaceCallback, LLAutoReplace::getInstance(), _1, _2, _3, _4, _5));
+	mInputEditor->setFocusReceivedCallback( boost::bind(onInputEditorFocusReceived, _1, this) );
+	mInputEditor->setFocusLostCallback( boost::bind(onInputEditorFocusLost, _1, this) );
+	mInputEditor->setKeystrokeCallback( boost::bind(onInputEditorKeystroke, _1, this) );
+	mInputEditor->setCommitCallback(boost::bind(onSendMsg, _1, this));
+
+	setDocked(true);
+
+	LLButton* add_btn = getChild<LLButton>("add_btn");
+
+	// Allow to add chat participants depending on the session type
+	add_btn->setEnabled(isInviteAllowed());
+	add_btn->setClickedCallback(boost::bind(&LLFloaterIMSession::onAddButtonClicked, this));
+
+	childSetAction("voice_call_btn", boost::bind(&LLFloaterIMSession::onCallButtonClicked, this));
+
+	LLVoiceClient::getInstance()->addObserver(this);
+	
+	//*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)
+
+	initIMFloater();
+
+	return result;
+}
+
+void LLFloaterIMSession::onAddButtonClicked()
+{
+    LLView * button = findChild<LLView>("toolbar_panel")->findChild<LLButton>("add_btn");
+    LLFloater* root_floater = gFloaterView->getParentFloater(this);
+	LLFloaterAvatarPicker* picker = LLFloaterAvatarPicker::show(boost::bind(&LLFloaterIMSession::addSessionParticipants, this, _1), TRUE, TRUE, FALSE, root_floater->getName(), button);
+	if (!picker)
+	{
+		return;
+	}
+
+	// Need to disable 'ok' button when selected users are already in conversation.
+	picker->setOkBtnEnableCb(boost::bind(&LLFloaterIMSession::canAddSelectedToChat, this, _1));
+	
+	if (root_floater)
+	{
+		root_floater->addDependentFloater(picker);
+	}
+}
+
+bool LLFloaterIMSession::canAddSelectedToChat(const uuid_vec_t& uuids)
+{
+	if (!mSession
+		|| mDialog == IM_SESSION_GROUP_START
+		|| mDialog == IM_SESSION_INVITE && gAgent.isInGroup(mSessionID))
+	{
+		return false;
+	}
+
+	if (mIsP2PChat)
+	{
+		// For a P2P session just check if we are not adding the other participant.
+
+		for (uuid_vec_t::const_iterator id = uuids.begin();
+				id != uuids.end(); ++id)
+		{
+			if (*id == mOtherParticipantUUID)
+			{
+				return false;
+			}
+		}
+	}
+	else
+	{
+		// For a conference session we need to check against the list from LLSpeakerMgr,
+		// because this list may change when participants join or leave the session.
+
+		LLSpeakerMgr::speaker_list_t speaker_list;
+		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+		if (speaker_mgr)
+		{
+			speaker_mgr->getSpeakerList(&speaker_list, true);
+		}
+	
+		for (uuid_vec_t::const_iterator id = uuids.begin();
+				id != uuids.end(); ++id)
+		{
+			for (LLSpeakerMgr::speaker_list_t::const_iterator it = speaker_list.begin();
+					it != speaker_list.end(); ++it)
+			{
+				const LLPointer<LLSpeaker>& speaker = *it;
+				if (*id == speaker->mID)
+				{
+					return false;
+				}
+			}
+		}
+	}
+
+	return true;
+}
+
+void LLFloaterIMSession::addSessionParticipants(const uuid_vec_t& uuids)
+{
+	if (mIsP2PChat)
+	{
+		LLSD payload;
+		LLSD args;
+
+		LLNotificationsUtil::add("ConfirmAddingChatParticipants", args, payload,
+				boost::bind(&LLFloaterIMSession::addP2PSessionParticipants, this, _1, _2, uuids));
+	}
+	else
+	{
+		// remember whom we have invited, to notify others later, when the invited ones actually join
+		mInvitedParticipants.insert(mInvitedParticipants.end(), uuids.begin(), uuids.end());
+		
+		inviteToSession(uuids);
+	}
+}
+
+void LLFloaterIMSession::addP2PSessionParticipants(const LLSD& notification, const LLSD& response, const uuid_vec_t& uuids)
+{
+	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
+	if (option != 0)
+	{
+		return;
+	}
+
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+
+	// first check whether this is a voice session
+	bool is_voice_call = voice_channel != NULL && voice_channel->isActive();
+
+	uuid_vec_t temp_ids;
+
+	// Add the initial participant of a P2P session
+	temp_ids.push_back(mOtherParticipantUUID);
+	temp_ids.insert(temp_ids.end(), uuids.begin(), uuids.end());
+
+	// then we can close the current session
+	onClose(false);
+
+	// we start a new session so reset the initialization flag
+	mSessionInitialized = false;
+
+	// remember whom we have invited, to notify others later, when the invited ones actually join
+	mInvitedParticipants.insert(mInvitedParticipants.end(), uuids.begin(), uuids.end());
+
+	// Start a new ad hoc voice call if we invite new participants to a P2P call,
+	// or start a text chat otherwise.
+	if (is_voice_call)
+	{
+		LLAvatarActions::startAdhocCall(temp_ids, mSessionID);
+	}
+	else
+	{
+		LLAvatarActions::startConference(temp_ids, mSessionID);
+	}
+}
+
+void LLFloaterIMSession::sendParticipantsAddedNotification(const uuid_vec_t& uuids)
+{
+	std::string names_string;
+	LLAvatarActions::buildResidentsString(uuids, names_string);
+	LLStringUtil::format_map_t args;
+	args["[NAME]"] = names_string;
+
+	sendMsg(getString(uuids.size() > 1 ? "multiple_participants_added" : "participant_added", args));
+}
+
+void LLFloaterIMSession::boundVoiceChannel()
+{
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+	if(voice_channel)
+	{
+		mVoiceChannelStateChangeConnection = voice_channel->setStateChangedCallback(
+				boost::bind(&LLFloaterIMSession::onVoiceChannelStateChanged, this, _1, _2));
+
+		//call (either p2p, group or ad-hoc) can be already in started state
+		bool callIsActive = voice_channel->getState() >= LLVoiceChannel::STATE_CALL_STARTED;
+		updateCallBtnState(callIsActive);
+	}
+}
+
+void LLFloaterIMSession::onCallButtonClicked()
+{
+	LLVoiceChannel* voice_channel = LLIMModel::getInstance()->getVoiceChannel(mSessionID);
+	if (voice_channel)
+	{
+		bool is_call_active = voice_channel->getState() >= LLVoiceChannel::STATE_CALL_STARTED;
+	    if (is_call_active)
+	    {
+		    gIMMgr->endCall(mSessionID);
+	    }
+	    else
+	    {
+		    gIMMgr->startCall(mSessionID);
+	    }
+	}
+}
+
+void LLFloaterIMSession::onChange(EStatusType status, const std::string &channelURI, bool proximal)
+{
+	if(status != STATUS_JOINING && status != STATUS_LEFT_CHANNEL)
+	{
+		enableDisableCallBtn();
+	}
+}
+
+void LLFloaterIMSession::onVoiceChannelStateChanged(
+		const LLVoiceChannel::EState& old_state, const LLVoiceChannel::EState& new_state)
+{
+	bool callIsActive = new_state >= LLVoiceChannel::STATE_CALL_STARTED;
+	updateCallBtnState(callIsActive);
+}
+
+void LLFloaterIMSession::updateSessionName(const std::string& name)
+{
+	if (!name.empty())
+	{
+		LLFloaterIMSessionTab::updateSessionName(name);
+		mTypingStart.setArg("[NAME]", name);
+		setTitle (mOtherTyping ? mTypingStart.getString() : name);
+		mSessionNameUpdatedForTyping = mOtherTyping;
+	}
+}
+
+//static
+LLFloaterIMSession* LLFloaterIMSession::show(const LLUUID& session_id)
+{
+	closeHiddenIMToasts();
+
+	if (!gIMMgr->hasSession(session_id))
+		return NULL;
+
+	// Test the existence of the floater before we try to create it
+	bool exist = findInstance(session_id);
+
+	// Get the floater: this will create the instance if it didn't exist
+	LLFloaterIMSession* floater = getInstance(session_id);
+	if (!floater)
+		return NULL;
+
+	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
+
+	// Do not add again existing floaters
+	if (!exist)
+	{
+		//		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);
+		}
+	}
+
+	floater->openFloater(floater->getKey());
+
+	floater->setVisible(TRUE);
+
+	return floater;
+}
+//static
+LLFloaterIMSession* LLFloaterIMSession::findInstance(const LLUUID& session_id)
+{
+    LLFloaterIMSession* conversation =
+    		LLFloaterReg::findTypedInstance<LLFloaterIMSession>("impanel", session_id);
+
+	return conversation;
+}
+
+LLFloaterIMSession* LLFloaterIMSession::getInstance(const LLUUID& session_id)
+{
+	LLFloaterIMSession* conversation =
+				LLFloaterReg::getTypedInstance<LLFloaterIMSession>("impanel", session_id);
+
+	return conversation;
+}
+
+void LLFloaterIMSession::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);
+    // *TODO: Study why we need to restore the floater before we close it.
+    // Might be because we want to save some state data in some clean open state.
+	LLFloaterIMSessionTab::restoreFloater();
+	// Clean up the conversation *after* the session has been ended
+	LLFloaterIMSessionTab::onClose(app_quitting);
+}
+
+void LLFloaterIMSession::setDocked(bool docked, bool pop_on_undock)
+{
+	// update notification channel state
+	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
+		(LLNotificationsUI::LLChannelManager::getInstance()->
+											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
+	
+	if(!isChatMultiTab())
+	{
+		LLTransientDockableFloater::setDocked(docked, pop_on_undock);
+	}
+
+	// update notification channel state
+	if(channel)
+	{
+		channel->updateShowToastsState();
+		channel->redrawToasts();
+	}
+}
+
+void LLFloaterIMSession::setVisible(BOOL visible)
+{
+	LLNotificationsUI::LLScreenChannel* channel = static_cast<LLNotificationsUI::LLScreenChannel*>
+		(LLNotificationsUI::LLChannelManager::getInstance()->
+											findChannelByID(LLUUID(gSavedSettings.getString("NotificationChannelUUID"))));
+
+	LLFloaterIMSessionTab::setVisible(visible);
+
+	// update notification channel state
+	if(channel)
+	{
+		channel->updateShowToastsState();
+		channel->redrawToasts();
+	}
+
+	if(!visible)
+	{
+		LLChicletPanel * chiclet_panelp = LLChicletBar::getInstance()->getChicletPanel();
+		if (NULL != chiclet_panelp)
+		{
+			LLIMChiclet * chicletp = chiclet_panelp->findChiclet<LLIMChiclet>(mSessionID);
+			if(NULL != chicletp)
+			{
+				chicletp->setToggleState(false);
+			}
+		}
+	}
+
+	if (visible && isInVisibleChain())
+	{
+		sIMFloaterShowedSignal(mSessionID);
+        
+	}
+
+}
+
+BOOL LLFloaterIMSession::getVisible()
+{
+	bool visible;
+
+	if(isChatMultiTab())
+	{
+		LLFloaterIMContainer* im_container =
+				LLFloaterIMContainer::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)
+		{
+			visible = LLTransientDockableFloater::getVisible();
+		}
+		else
+		{
+		// getVisible() returns TRUE when Tabbed IM window is minimized.
+			visible = is_active && !im_container->isMinimized()
+						&& im_container->getVisible();
+		}
+	}
+	else
+	{
+		visible = LLTransientDockableFloater::getVisible();
+	}
+
+	return visible;
+}
+
+//static
+bool LLFloaterIMSession::toggle(const LLUUID& session_id)
+{
+	if(!isChatMultiTab())
+	{
+		LLFloaterIMSession* floater = LLFloaterReg::findTypedInstance<LLFloaterIMSession>(
+				"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;
+}
+
+void LLFloaterIMSession::sessionInitReplyReceived(const LLUUID& im_session_id)
+{
+	mSessionInitialized = true;
+
+	//will be different only for an ad-hoc im session
+	if (mSessionID != im_session_id)
+	{
+		initIMSession(im_session_id);
+		buildConversationViewParticipant();
+	}
+
+	initIMFloater();
+	LLFloaterIMSessionTab::updateGearBtn();
+	//*TODO here we should remove "starting session..." warning message if we added it in postBuild() (IB)
+
+	//need to send delayed messages collected while waiting for session initialization
+	if (mQueuedMsgsForInit.size())
+	{
+		LLSD::array_iterator iter;
+		for ( iter = mQueuedMsgsForInit.beginArray();
+					iter != mQueuedMsgsForInit.endArray(); ++iter)
+		{
+			LLIMModel::sendMessage(iter->asString(), mSessionID,
+				mOtherParticipantUUID, mDialog);
+		}
+
+		mQueuedMsgsForInit.clear();
+	}
+}
+
+void LLFloaterIMSession::updateMessages()
+{
+	std::list<LLSD> messages;
+
+	// we shouldn't reset unread message counters if IM floater doesn't have focus
+    LLIMModel::instance().getMessages(
+    		mSessionID, messages, mLastMessageIndex + 1, hasFocus());
+
+	if (messages.size())
+	{
+		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)
+		{
+			LLSD msg = *iter;
+
+			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();
+			bool is_history = msg["is_history"].asBoolean();
+
+			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;
+			}
+			
+			// Add the message to the chat log
+			appendMessage(chat);
+			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 LLFloaterIMSession::reloadMessages(bool clean_messages/* = false*/)
+{
+	if (clean_messages)
+	{
+		LLIMModel::LLIMSession * sessionp = LLIMModel::instance().findIMSession(mSessionID);
+
+		if (NULL != sessionp)
+		{
+			sessionp->loadHistory();
+		}
+	}
+
+	mChatHistory->clear();
+	mLastMessageIndex = -1;
+	updateMessages();
+	mInputEditor->setFont(LLViewerChat::getChatFont());
+}
+
+// static
+void LLFloaterIMSession::onInputEditorFocusReceived( LLFocusableElement* caller, void* userdata )
+{
+	LLFloaterIMSession* self= (LLFloaterIMSession*) userdata;
+
+	// Allow enabling the LLFloaterIMSession 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 LLFloaterIMSession::onInputEditorFocusLost(LLFocusableElement* caller, void* userdata)
+{
+	LLFloaterIMSession* self = (LLFloaterIMSession*) userdata;
+	self->setTyping(false);
+}
+
+// static
+void LLFloaterIMSession::onInputEditorKeystroke(LLTextEditor* caller, void* userdata)
+{
+	LLFloaterIMSession* self = (LLFloaterIMSession*)userdata;
+	LLFloaterIMContainer* im_box = LLFloaterIMContainer::findInstance();
+	if (im_box)
+	{
+		im_box->flashConversationItemWidget(self->mSessionID,false);
+	}
+	std::string text = self->mInputEditor->getText();
+
+		// Deleting all text counts as stopping typing.
+	self->setTyping(!text.empty());
+}
+
+void LLFloaterIMSession::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 )
+	{
+		// Still typing, send 'start typing' notification or
+		// send 'stop typing' notification immediately
+		if (!mMeTyping || mTypingTimer.getElapsedTimeF32() > 1.f)
+		{
+			LLIMModel::instance().sendTypingState(mSessionID,
+					mOtherParticipantUUID, mMeTyping);
+					mShouldSendTypingState = false;
+		}
+	}
+
+	if (!mIsNearbyChat)
+	{
+		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+		if (speaker_mgr)
+		{
+			speaker_mgr->setSpeakerTyping(gAgent.getID(), FALSE);
+		}
+	}
+}
+
+void LLFloaterIMSession::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 LLFloaterIMSession::processAgentListUpdates(const LLSD& body)
+{
+	uuid_vec_t joined_uuids;
+
+	if (body.isMap() && body.has("agent_updates") && body["agent_updates"].isMap())
+	{
+		LLSD::map_const_iterator update_it;
+		for(update_it = body["agent_updates"].beginMap();
+			update_it != body["agent_updates"].endMap();
+			++update_it)
+		{
+			LLUUID agent_id(update_it->first);
+			LLSD agent_data = update_it->second;
+
+			if (agent_data.isMap())
+			{
+				// store the new participants in joined_uuids
+				if (agent_data.has("transition") && agent_data["transition"].asString() == "ENTER")
+				{
+					joined_uuids.push_back(agent_id);
+				}
+
+				// process the moderator mutes
+				if (agent_id == gAgentID && agent_data.has("info") && agent_data["info"].has("mutes"))
+				{
+					BOOL moderator_muted_text = agent_data["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");
+				}
+			}
+		}
+	}
+
+	// the vectors need to be sorted for computing the intersection and difference
+	std::sort(mInvitedParticipants.begin(), mInvitedParticipants.end());
+    std::sort(joined_uuids.begin(), joined_uuids.end());
+
+    uuid_vec_t intersection; // uuids of invited residents who have joined the conversation
+	std::set_intersection(mInvitedParticipants.begin(), mInvitedParticipants.end(),
+						  joined_uuids.begin(), joined_uuids.end(),
+						  std::back_inserter(intersection));
+
+	if (intersection.size() > 0)
+	{
+		sendParticipantsAddedNotification(intersection);
+	}
+
+	// Remove all joined participants from invited array.
+	// The difference between the two vectors (the elements in mInvitedParticipants which are not in joined_uuids)
+	// is placed at the beginning of mInvitedParticipants, then all other elements are erased.
+	mInvitedParticipants.erase(std::set_difference(mInvitedParticipants.begin(), mInvitedParticipants.end(),
+												   joined_uuids.begin(), joined_uuids.end(),
+												   mInvitedParticipants.begin()),
+							   mInvitedParticipants.end());
+}
+
+void LLFloaterIMSession::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") )
+	{
+		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);
+	}
+}
+
+// virtual
+void LLFloaterIMSession::draw()
+{
+	// add people who were added via dropPerson()
+	if (!mPendingParticipants.empty())
+	{
+		addSessionParticipants(mPendingParticipants);
+		mPendingParticipants.clear();
+	}
+
+	LLFloaterIMSessionTab::draw();
+}
+
+// virtual
+BOOL LLFloaterIMSession::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
+									EDragAndDropType cargo_type,
+									void* cargo_data,
+									EAcceptance* accept,
+						   std::string& tooltip_msg)
+{
+	if (cargo_type == DAD_PERSON)
+	{
+		if (dropPerson(static_cast<LLUUID*>(cargo_data), drop))
+		{
+			*accept = ACCEPT_YES_MULTI;
+		}
+		else
+		{
+			*accept = ACCEPT_NO;
+		}
+	}
+	else if (mDialog == IM_NOTHING_SPECIAL)
+	{
+		LLToolDragAndDrop::handleGiveDragAndDrop(mOtherParticipantUUID, mSessionID, drop,
+				cargo_type, cargo_data, accept);
+	}
+
+	return TRUE;
+}
+
+bool LLFloaterIMSession::dropPerson(LLUUID* person_id, bool drop)
+{
+	bool res = person_id && person_id->notNull();
+	if(res)
+	{
+		uuid_vec_t ids;
+		ids.push_back(*person_id);
+
+		res = canAddSelectedToChat(ids);
+		if(res && drop)
+		{
+			// these people will be added during the next draw() call
+			// (so they can be added all at once)
+			mPendingParticipants.push_back(*person_id);
+		}
+	}
+
+	return res;
+}
+
+BOOL LLFloaterIMSession::isInviteAllowed() const
+{
+	return ( (IM_SESSION_CONFERENCE_START == mDialog)
+			 || (IM_SESSION_INVITE == mDialog && !gAgent.isInGroup(mSessionID))
+			 || mIsP2PChat);
+}
+
+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 LLFloaterIMSession::inviteToSession(const uuid_vec_t& ids)
+{
+	LLViewerRegion* region = gAgent.getRegion();
+	bool is_region_exist = region != NULL;
+
+	if (is_region_exist)
+	{
+		S32 count = ids.size();
+
+		if( isInviteAllowed() && (count > 0) )
+		{
+			llinfos << "LLFloaterIMSession::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 << "LLFloaterIMSession::inviteToSession -"
+					<< " no need to invite agents for "
+					<< mDialog << llendl;
+			// successful add, because everyone that needed to get added
+			// was added.
+		}
+	}
+
+	return is_region_exist;
+}
+
+void LLFloaterIMSession::addTypingIndicator(const LLIMInfo* im_info)
+{
+	// We may have lost a "stop-typing" packet, don't add it twice
+	if (im_info && !mOtherTyping)
+	{
+		mOtherTyping = true;
+
+		// Update speaker
+		LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+		if ( speaker_mgr )
+		{
+			speaker_mgr->setSpeakerTyping(im_info->mFromID, TRUE);
+		}
+	}
+}
+
+void LLFloaterIMSession::removeTypingIndicator(const LLIMInfo* im_info)
+{
+	if (mOtherTyping)
+	{
+		mOtherTyping = false;
+
+		if (im_info)
+		{
+			// Update speaker
+			LLIMSpeakerMgr* speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
+			if (speaker_mgr)
+			{
+				speaker_mgr->setSpeakerTyping(im_info->mFromID, FALSE);
+			}
+		}
+	}
+}
+
+// static
+void LLFloaterIMSession::closeHiddenIMToasts()
+{
+	class IMToastMatcher: public LLNotificationsUI::LLScreenChannel::Matcher
+	{
+	public:
+		bool matches(const LLNotificationPtr notification) const
+		{
+			// "notifytoast" type of notifications is reserved for IM notifications
+			return "notifytoast" == notification->getType();
+		}
+	};
+
+	LLNotificationsUI::LLScreenChannel* channel =
+			LLNotificationsUI::LLChannelManager::getNotificationScreenChannel();
+	if (channel != NULL)
+	{
+		channel->closeHiddenToasts(IMToastMatcher());
+	}
+}
+// static
+void LLFloaterIMSession::confirmLeaveCallCallback(const LLSD& notification, const LLSD& response)
+{
+	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
+	const LLSD& payload = notification["payload"];
+	LLUUID session_id = payload["session_id"];
+
+	LLFloater* im_floater = findInstance(session_id);
+	if (option == 0 && im_floater != NULL)
+	{
+		im_floater->closeFloater();
+	}
+
+	return;
+}
+
+// static
+void LLFloaterIMSession::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;
+
+	LLFloaterIMSession* floater = LLFloaterIMSession::findInstance(session_id);
+	if (!floater)
+		return;
+
+	if (IM_NOTHING_SPECIAL != floater->mDialog)
+		return;
+
+	floater->removeTypingIndicator();
+}
+
+// static
+void LLFloaterIMSession::onIMChicletCreated( const LLUUID& session_id )
+{
+	LLFloaterIMSession::addToHost(session_id);
+}
+
+boost::signals2::connection LLFloaterIMSession::setIMFloaterShowedCallback(const floater_showed_signal_t::slot_type& cb)
+{
+	return LLFloaterIMSession::sIMFloaterShowedSignal.connect(cb);
+}