Merge remote-tracking branch 'origin/main' into DRTVWR-600-maint-A

# Conflicts:
#	autobuild.xml
#	indra/cmake/CMakeLists.txt
#	indra/cmake/GoogleMock.cmake
#	indra/llaudio/llaudioengine_fmodstudio.cpp
#	indra/llaudio/llaudioengine_fmodstudio.h
#	indra/llaudio/lllistener_fmodstudio.cpp
#	indra/llaudio/lllistener_fmodstudio.h
#	indra/llaudio/llstreamingaudio_fmodstudio.cpp
#	indra/llaudio/llstreamingaudio_fmodstudio.h
#	indra/llcharacter/llmultigesture.cpp
#	indra/llcharacter/llmultigesture.h
#	indra/llimage/llimage.cpp
#	indra/llimage/llimagepng.cpp
#	indra/llimage/llimageworker.cpp
#	indra/llimage/tests/llimageworker_test.cpp
#	indra/llmessage/tests/llmockhttpclient.h
#	indra/llprimitive/llgltfmaterial.h
#	indra/llrender/llfontfreetype.cpp
#	indra/llui/llcombobox.cpp
#	indra/llui/llfolderview.cpp
#	indra/llui/llfolderviewmodel.h
#	indra/llui/lllineeditor.cpp
#	indra/llui/lllineeditor.h
#	indra/llui/lltextbase.cpp
#	indra/llui/lltextbase.h
#	indra/llui/lltexteditor.cpp
#	indra/llui/lltextvalidate.cpp
#	indra/llui/lltextvalidate.h
#	indra/llui/lluictrl.h
#	indra/llui/llview.cpp
#	indra/llwindow/llwindowmacosx.cpp
#	indra/newview/app_settings/settings.xml
#	indra/newview/llappearancemgr.cpp
#	indra/newview/llappearancemgr.h
#	indra/newview/llavatarpropertiesprocessor.cpp
#	indra/newview/llavatarpropertiesprocessor.h
#	indra/newview/llbreadcrumbview.cpp
#	indra/newview/llbreadcrumbview.h
#	indra/newview/llbreastmotion.cpp
#	indra/newview/llbreastmotion.h
#	indra/newview/llconversationmodel.h
#	indra/newview/lldensityctrl.cpp
#	indra/newview/lldensityctrl.h
#	indra/newview/llface.inl
#	indra/newview/llfloatereditsky.cpp
#	indra/newview/llfloatereditwater.cpp
#	indra/newview/llfloateremojipicker.h
#	indra/newview/llfloaterimsessiontab.cpp
#	indra/newview/llfloaterprofiletexture.cpp
#	indra/newview/llfloaterprofiletexture.h
#	indra/newview/llgesturemgr.cpp
#	indra/newview/llgesturemgr.h
#	indra/newview/llimpanel.cpp
#	indra/newview/llimpanel.h
#	indra/newview/llinventorybridge.cpp
#	indra/newview/llinventorybridge.h
#	indra/newview/llinventoryclipboard.cpp
#	indra/newview/llinventoryclipboard.h
#	indra/newview/llinventoryfunctions.cpp
#	indra/newview/llinventoryfunctions.h
#	indra/newview/llinventorygallery.cpp
#	indra/newview/lllistbrowser.cpp
#	indra/newview/lllistbrowser.h
#	indra/newview/llpanelobjectinventory.cpp
#	indra/newview/llpanelprofile.cpp
#	indra/newview/llpanelprofile.h
#	indra/newview/llpreviewgesture.cpp
#	indra/newview/llsavedsettingsglue.cpp
#	indra/newview/llsavedsettingsglue.h
#	indra/newview/lltooldraganddrop.cpp
#	indra/newview/llurllineeditorctrl.cpp
#	indra/newview/llvectorperfoptions.cpp
#	indra/newview/llvectorperfoptions.h
#	indra/newview/llviewerparceloverlay.cpp
#	indra/newview/llviewertexlayer.cpp
#	indra/newview/llviewertexturelist.cpp
#	indra/newview/macmain.h
#	indra/test/test.cpp

1 files changed, 1350 insertions, 1333 deletions

diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
index 9a7737657d..6efb0f9efb 100644
--- a/indra/newview/llfloaterimsessiontab.cpp
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -1,1333 +1,1350 @@
-/**
- * @file llfloaterimsessiontab.cpp
- * @brief LLFloaterIMSessionTab class implements the common behavior of LNearbyChatBar
- * @brief and LLFloaterIMSession for hosting both in LLIMContainer
- *
- * $LicenseInfo:firstyear=2012&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2012, 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 "llfloaterimsessiontab.h"
-
-#include "llagent.h"
-#include "llagentcamera.h"
-#include "llavataractions.h"
-#include "llavatariconctrl.h"
-#include "llchatentry.h"
-#include "llchathistory.h"
-#include "llchiclet.h"
-#include "llchicletbar.h"
-#include "lldraghandle.h"
-#include "llemojidictionary.h"
-#include "llfloaterreg.h"
-#include "llfloateremojipicker.h"
-#include "llfloaterimsession.h"
-#include "llfloaterimcontainer.h" // to replace separate IM Floaters with multifloater container
-#include "llfloaterimnearbychat.h"
-#include "llgroupiconctrl.h"
-#include "lllayoutstack.h"
-#include "llpanelemojicomplete.h"
-#include "lltoolbarview.h"
-
-const F32 REFRESH_INTERVAL = 1.0f;
-const std::string ICN_GROUP("group_chat_icon");
-const std::string ICN_NEARBY("nearby_chat_icon");
-const std::string ICN_AVATAR("avatar_icon");
-
-void cb_group_do_nothing()
-{
-}
-
-LLFloaterIMSessionTab::LLFloaterIMSessionTab(const LLSD& session_id)
-:	super(NULL, false, session_id),
-	mIsP2PChat(false),
-	mExpandCollapseBtn(NULL),
-	mTearOffBtn(NULL),
-	mCloseBtn(NULL),
-	mSessionID(session_id.asUUID()),
-	mConversationsRoot(NULL),
-	mScroller(NULL),
-	mChatHistory(NULL),
-	mInputEditor(NULL),
-	mInputEditorPad(0),
-	mRefreshTimer(new LLTimer()),
-	mIsHostAttached(false),
-	mHasVisibleBeenInitialized(false),
-	mIsParticipantListExpanded(true),
-	mChatLayoutPanel(NULL),
-	mInputPanels(NULL),
-	mChatLayoutPanelHeight(0)
-{
-	setAutoFocus(false);
-	mSession = LLIMModel::getInstance()->findIMSession(mSessionID);
-
-	mCommitCallbackRegistrar.add("IMSession.Menu.Action",
-			boost::bind(&LLFloaterIMSessionTab::onIMSessionMenuItemClicked,  this, _2));
-	mEnableCallbackRegistrar.add("IMSession.Menu.CompactExpandedModes.CheckItem",
-			boost::bind(&LLFloaterIMSessionTab::onIMCompactExpandedMenuItemCheck, this, _2));
-	mEnableCallbackRegistrar.add("IMSession.Menu.ShowModes.CheckItem",
-			boost::bind(&LLFloaterIMSessionTab::onIMShowModesMenuItemCheck,   this, _2));
-	mEnableCallbackRegistrar.add("IMSession.Menu.ShowModes.Enable",
-			boost::bind(&LLFloaterIMSessionTab::onIMShowModesMenuItemEnable,  this, _2));
-
-	// Right click menu handling
-	mEnableCallbackRegistrar.add("Avatar.CheckItem",  boost::bind(&LLFloaterIMSessionTab::checkContextMenuItem,	this, _2));
-	mEnableCallbackRegistrar.add("Avatar.EnableItem", boost::bind(&LLFloaterIMSessionTab::enableContextMenuItem, this, _2));
-	mCommitCallbackRegistrar.add("Avatar.DoToSelected", boost::bind(&LLFloaterIMSessionTab::doToSelected, this, _2));
-	mCommitCallbackRegistrar.add("Group.DoToSelected", boost::bind(&cb_group_do_nothing));
-
-	mMinFloaterHeight = getMinHeight();
-}
-
-LLFloaterIMSessionTab::~LLFloaterIMSessionTab()
-{
-	delete mRefreshTimer;
-
-    LLFloaterIMContainer* im_container = LLFloaterIMContainer::findInstance();
-    if (im_container)
-    {
-        LLParticipantList* session = dynamic_cast<LLParticipantList*>(im_container->getSessionModel(mSessionID));
-        if (session)
-        {
-            for (const conversations_widgets_map::value_type& widget_pair : mConversationsWidgets)
-            {
-                LLFolderViewItem* widget = widget_pair.second;
-                LLFolderViewModelItem* item_vmi = widget->getViewModelItem();
-                if (item_vmi && item_vmi->getNumRefs() == 1)
-                {
-                    // This is the last pointer, remove participant from session
-                    // before participant gets deleted on destroyView.
-                    session->removeChild(item_vmi);
-                }
-            }
-        }
-    }
-}
-
-// static
-LLFloaterIMSessionTab* LLFloaterIMSessionTab::findConversation(const LLUUID& uuid)
-{
-	LLFloaterIMSessionTab* conv;
-
-	if (uuid.isNull())
-	{
-		conv = LLFloaterReg::findTypedInstance<LLFloaterIMSessionTab>("nearby_chat");
-	}
-	else
-	{
-		conv = LLFloaterReg::findTypedInstance<LLFloaterIMSessionTab>("impanel", LLSD(uuid));
-	}
-
-	return conv;
-};
-
-// static
-LLFloaterIMSessionTab* LLFloaterIMSessionTab::getConversation(const LLUUID& uuid)
-{
-	LLFloaterIMSessionTab* conv;
-
-	if (uuid.isNull())
-	{
-		conv = LLFloaterReg::getTypedInstance<LLFloaterIMSessionTab>("nearby_chat");
-	}
-	else
-	{
-		conv = LLFloaterReg::getTypedInstance<LLFloaterIMSessionTab>("impanel", LLSD(uuid));
-		conv->setOpenPositioning(LLFloaterEnums::POSITIONING_RELATIVE);
-	}
-
-	return conv;
-
-};
-
-// virtual
-void LLFloaterIMSessionTab::setVisible(bool visible)
-{
-	if (visible && !mHasVisibleBeenInitialized)
-	{
-		mHasVisibleBeenInitialized = true;
-		if (!gAgentCamera.cameraMouselook())
-		{
-			LLFloaterReg::getTypedInstance<LLFloaterIMContainer>("im_container")->setVisible(true);
-		}
-		LLFloaterIMSessionTab::addToHost(mSessionID);
-		LLFloaterIMSessionTab* conversp = LLFloaterIMSessionTab::getConversation(mSessionID);
-
-		if (conversp && conversp->isNearbyChat() && gSavedPerAccountSettings.getBOOL("NearbyChatIsNotCollapsed"))
-		{
-			onCollapseToLine(this);
-		}
-		mInputButtonPanel->setVisible(isTornOff());
-	}
-
-	super::setVisible(visible);
-}
-
-// virtual
-void LLFloaterIMSessionTab::setFocus(bool focus)
-{
-	super::setFocus(focus);
-
-	// Redirect focus to input editor
-	if (focus)
-	{
-		updateMessages();
-
-		if (mInputEditor)
-		{
-			mInputEditor->setFocus(true);
-		}
-	}
-}
-
-void LLFloaterIMSessionTab::addToHost(const LLUUID& session_id)
-{
-	if ((session_id.notNull() && !gIMMgr->hasSession(session_id))
-			|| !LLFloaterIMSessionTab::isChatMultiTab())
-	{
-		return;
-	}
-
-	// Get the floater: this will create the instance if it didn't exist
-	LLFloaterIMSessionTab* conversp = LLFloaterIMSessionTab::getConversation(session_id);
-	if (conversp)
-	{
-		LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
-
-		// Do not add again existing floaters
-		if (floater_container && !conversp->isHostAttached())
-		{
-			conversp->setHostAttached(true);
-
-			if (!conversp->isNearbyChat()
-					|| gSavedPerAccountSettings.getBOOL("NearbyChatIsNotTornOff"))
-			{
-				floater_container->addFloater(conversp, false, LLTabContainer::RIGHT_OF_CURRENT);
-			}
-			else
-			{
-				// setting of the "potential" host for Nearby Chat: this sequence sets
-				// LLFloater::mHostHandle = NULL (a current host), but
-				// LLFloater::mLastHostHandle = floater_container (a "future" host)
-				conversp->setHost(floater_container);
-				conversp->setHost(NULL);
-
-				conversp->forceReshape();
-			}
-			// Added floaters share some state (like sort order) with their host
-			conversp->setSortOrder(floater_container->getSortOrder());
-		}
-	}
-}
-
-void LLFloaterIMSessionTab::assignResizeLimits()
-{
-	bool is_participants_pane_collapsed = mParticipantListPanel->isCollapsed();
-
-	// disable a layoutstack's functionality when participant list panel is collapsed
-	mRightPartPanel->setIgnoreReshape(is_participants_pane_collapsed);
-
-	S32 participants_pane_target_width = is_participants_pane_collapsed?
-			0 : (mParticipantListPanel->getRect().getWidth() + mParticipantListAndHistoryStack->getPanelSpacing());
-
-	S32 new_min_width = participants_pane_target_width + mRightPartPanel->getExpandedMinDim() + mFloaterExtraWidth;
-
-	setResizeLimits(new_min_width, getMinHeight());
-
-	this->mParticipantListAndHistoryStack->updateLayout();
-}
-
-// virtual
-bool LLFloaterIMSessionTab::postBuild()
-{
-	bool result;
-
-	mBodyStack = getChild<LLLayoutStack>("main_stack");
-	mParticipantListAndHistoryStack = getChild<LLLayoutStack>("im_panels");
-
-	mCloseBtn = getChild<LLButton>("close_btn");
-	mCloseBtn->setCommitCallback([this](LLUICtrl*, const LLSD&) { onClickClose(this); });
-
-	mExpandCollapseBtn = getChild<LLButton>("expand_collapse_btn");
-	mExpandCollapseBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onSlide(this); });
-
-	mExpandCollapseLineBtn = getChild<LLButton>("minz_btn");
-	mExpandCollapseLineBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onCollapseToLine(this); });
-
-	mTearOffBtn = getChild<LLButton>("tear_off_btn");
-	mTearOffBtn->setCommitCallback(boost::bind(&LLFloaterIMSessionTab::onTearOffClicked, this));
-
-	mEmojiRecentPanelToggleBtn = getChild<LLButton>("emoji_recent_panel_toggle_btn");
-	mEmojiRecentPanelToggleBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onEmojiRecentPanelToggleBtnClicked(); });
-
-	mEmojiRecentPanel = getChild<LLLayoutPanel>("emoji_recent_layout_panel");
-	mEmojiRecentPanel->setVisible(false);
-
-	mEmojiRecentEmptyText = getChild<LLTextBox>("emoji_recent_empty_text");
-	mEmojiRecentEmptyText->setToolTip(mEmojiRecentEmptyText->getText());
-	mEmojiRecentEmptyText->setVisible(false);
-
-	mEmojiRecentIconsCtrl = getChild<LLPanelEmojiComplete>("emoji_recent_icons_ctrl");
-	mEmojiRecentIconsCtrl->setCommitCallback([this](LLUICtrl*, const LLSD& value) { onRecentEmojiPicked(value); });
-	mEmojiRecentIconsCtrl->setVisible(false);
-
-	mEmojiPickerShowBtn = getChild<LLButton>("emoji_picker_show_btn");
-	mEmojiPickerShowBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onEmojiPickerShowBtnClicked(); });
-
-	mGearBtn = getChild<LLButton>("gear_btn");
-	mAddBtn = getChild<LLButton>("add_btn");
-	mVoiceButton = getChild<LLButton>("voice_call_btn");
-
-	mParticipantListPanel = getChild<LLLayoutPanel>("speakers_list_panel");
-	mRightPartPanel = getChild<LLLayoutPanel>("right_part_holder");
-
-	mToolbarPanel = getChild<LLLayoutPanel>("toolbar_panel");
-	mContentPanel = getChild<LLLayoutPanel>("body_panel");
-	mInputButtonPanel = getChild<LLLayoutPanel>("input_button_layout_panel");
-	mInputButtonPanel->setVisible(false);
-	// Add a scroller for the folder (participant) view
-	LLRect scroller_view_rect = mParticipantListPanel->getRect();
-	scroller_view_rect.translate(-scroller_view_rect.mLeft, -scroller_view_rect.mBottom);
-	LLScrollContainer::Params scroller_params(LLUICtrlFactory::getDefaultParams<LLFolderViewScrollContainer>());
-	scroller_params.rect(scroller_view_rect);
-	mScroller = LLUICtrlFactory::create<LLFolderViewScrollContainer>(scroller_params);
-	mScroller->setFollowsAll();
-
-	// Insert that scroller into the panel widgets hierarchy
-	mParticipantListPanel->addChild(mScroller);	
-	
-	mChatHistory = getChild<LLChatHistory>("chat_history");
-
-	mInputEditor = getChild<LLChatEntry>("chat_editor");
-
-	mChatLayoutPanel = getChild<LLLayoutPanel>("chat_layout_panel");
-	mInputPanels = getChild<LLLayoutStack>("input_panels");
-	
-	mInputEditor->setTextExpandedCallback(boost::bind(&LLFloaterIMSessionTab::reshapeChatLayoutPanel, this));
-	mInputEditor->setMouseUpCallback(boost::bind(&LLFloaterIMSessionTab::onInputEditorClicked, this));
-	mInputEditor->setCommitOnFocusLost(false);
-	mInputEditor->setPassDelete(true);
-	mInputEditor->setFont(LLViewerChat::getChatFont());
-
-	mChatLayoutPanelHeight = mChatLayoutPanel->getRect().getHeight();
-	mInputEditorPad = mChatLayoutPanelHeight - mInputEditor->getRect().getHeight();
-
-	setOpenPositioning(LLFloaterEnums::POSITIONING_RELATIVE);
-
-	mSaveRect = isNearbyChat()
-					&&  !gSavedPerAccountSettings.getBOOL("NearbyChatIsNotTornOff");
-	initRectControl();
-
-	if (isChatMultiTab())
-	{
-		result = LLFloater::postBuild();
-	}
-	else
-	{
-		result = LLDockableFloater::postBuild();
-	}
-
-	// Create the root using an ad-hoc base item
-	LLConversationItem* base_item = new LLConversationItem(mSessionID, mConversationViewModel);
-	LLFolderView::Params p(LLUICtrlFactory::getDefaultParams<LLFolderView>());
-	p.rect = LLRect(0, 0, getRect().getWidth(), 0);
-	p.parent_panel = mParticipantListPanel;
-	p.listener = base_item;
-	p.view_model = &mConversationViewModel;
-	p.root = NULL;
-	p.use_ellipses = true;
-	p.options_menu = "menu_conversation.xml";
-	p.name = "root";
-	mConversationsRoot = LLUICtrlFactory::create<LLFolderView>(p);
-	mConversationsRoot->setCallbackRegistrar(&mCommitCallbackRegistrar);
-	mConversationsRoot->setEnableRegistrar(&mEnableCallbackRegistrar);
-	// Attach that root to the scroller
-	mScroller->addChild(mConversationsRoot);
-	mConversationsRoot->setScrollContainer(mScroller);
-	mConversationsRoot->setFollowsAll();
-	mConversationsRoot->addChild(mConversationsRoot->mStatusTextBox);
-
-	setMessagePaneExpanded(true);
-
-	buildConversationViewParticipant();
-	refreshConversation();
-
-	// Zero expiry time is set only once to allow initial update.
-	mRefreshTimer->setTimerExpirySec(0);
-	mRefreshTimer->start();
-	initBtns();
-
-	if (mIsParticipantListExpanded != (bool)gSavedSettings.getBOOL("IMShowControlPanel"))
-	{
-		LLFloaterIMSessionTab::onSlide(this);
-	}
-
-	// The resize limits for LLFloaterIMSessionTab should be updated, based on current values of width of conversation and message panels
-	mParticipantListPanel->getResizeBar()->setResizeListener(boost::bind(&LLFloaterIMSessionTab::assignResizeLimits, this));
-	mFloaterExtraWidth =
-			getRect().getWidth()
-			- mParticipantListAndHistoryStack->getRect().getWidth()
-			- (mParticipantListPanel->isCollapsed()? 0 : LLPANEL_BORDER_WIDTH);
-
-	assignResizeLimits();
-
-	return result;
-}
-
-LLParticipantList* LLFloaterIMSessionTab::getParticipantList()
-{
-	return dynamic_cast<LLParticipantList*>(LLFloaterIMContainer::getInstance()->getSessionModel(mSessionID));
-}
-
-// virtual
-void LLFloaterIMSessionTab::draw()
-{
-	if (mRefreshTimer->hasExpired())
-	{
-		LLParticipantList* item = getParticipantList();
-		if (item)
-		{
-			// Update all model items
-			item->update();
-			// If the model and view list diverge in count, rebuild
-			// Note: this happens sometimes right around init (add participant events fire but get dropped) and is the cause
-			// of missing participants, often, the user agent itself. As there will be no other event fired, there's
-			// no other choice but get those inconsistencies regularly (and lightly) checked and scrubbed.
-			if (item->getChildrenCount() != mConversationsWidgets.size())
-			{
-				buildConversationViewParticipant();
-			}
-			refreshConversation();
-		}
-
-		// Restart the refresh timer
-		mRefreshTimer->setTimerExpirySec(REFRESH_INTERVAL);
-	}
-
-	super::draw();
-}
-
-void LLFloaterIMSessionTab::enableDisableCallBtn()
-{
-	if (LLVoiceClient::instanceExists() && mVoiceButton)
-	{
-		mVoiceButton->setEnabled(
-			mSessionID.notNull()
-			&& mSession
-			&& mSession->mSessionInitialized
-			&& LLVoiceClient::getInstance()->voiceEnabled()
-			&& LLVoiceClient::getInstance()->isVoiceWorking()
-			&& mSession->mCallBackEnabled);
-	}
-}
-
-// virtual
-void LLFloaterIMSessionTab::onFocusReceived()
-{
-	setBackgroundOpaque(true);
-
-	if (mSessionID.notNull() && isInVisibleChain())
-	{
-		LLIMModel::instance().sendNoUnreadMessages(mSessionID);
-	}
-
-	super::onFocusReceived();
-}
-
-// virtual
-void LLFloaterIMSessionTab::onFocusLost()
-{
-	setBackgroundOpaque(false);
-	super::onFocusLost();
-}
-
-void LLFloaterIMSessionTab::onInputEditorClicked()
-{
-	LLFloaterIMContainer* im_box = LLFloaterIMContainer::findInstance();
-	if (im_box)
-	{
-		im_box->flashConversationItemWidget(mSessionID,false);
-	}
-	gToolBarView->flashCommand(LLCommandId("chat"), false);
-}
-
-void LLFloaterIMSessionTab::onEmojiRecentPanelToggleBtnClicked()
-{
-	bool show = !mEmojiRecentPanel->getVisible();
-    if (show)
-    {
-        initEmojiRecentPanel();
-    }
-
-    mEmojiRecentPanel->setVisible(show);
-    mInputEditor->setFocus(true);
-}
-
-void LLFloaterIMSessionTab::onEmojiPickerShowBtnClicked()
-{
-    mInputEditor->setFocus(true);
-    mInputEditor->showEmojiHelper();
-}
-
-void LLFloaterIMSessionTab::initEmojiRecentPanel()
-{
-    std::list<llwchar>& recentlyUsed = LLFloaterEmojiPicker::getRecentlyUsed();
-    if (recentlyUsed.empty())
-    {
-        mEmojiRecentEmptyText->setVisible(true);
-        mEmojiRecentIconsCtrl->setVisible(false);
-    }
-    else
-    {
-        LLWString emojis;
-        for (llwchar emoji : recentlyUsed)
-        {
-            emojis += emoji;
-        }
-        mEmojiRecentIconsCtrl->setEmojis(emojis);
-        mEmojiRecentEmptyText->setVisible(false);
-        mEmojiRecentIconsCtrl->setVisible(true);
-    }
-}
-
-void LLFloaterIMSessionTab::onRecentEmojiPicked(const LLSD& value)
-{
-	LLSD::String str = value.asString();
-	if (str.size())
-	{
-		LLWString wstr = utf8string_to_wstring(str);
-		if (wstr.size())
-		{
-			llwchar emoji = wstr[0];
-			mInputEditor->insertEmoji(emoji);
-		}
-	}
-}
-
-void LLFloaterIMSessionTab::closeFloater(bool app_quitting)
-{
-	LLFloaterEmojiPicker::saveState();
-	super::closeFloater(app_quitting);
-}
-
-std::string LLFloaterIMSessionTab::appendTime()
-{
-	std::string timeStr = "[" + LLTrans::getString("TimeHour") + "]:"
-						  "[" + LLTrans::getString("TimeMin") + "]";
-
-	LLSD substitution;
-	substitution["datetime"] = (S32)time_corrected();
-	LLStringUtil::format(timeStr, substitution);
-
-	return timeStr;
-}
-
-void LLFloaterIMSessionTab::appendMessage(const LLChat& chat, const LLSD& args)
-{
-	if (chat.mMuted || !mChatHistory)
-		return;
-
-	// Update the participant activity time
-	LLFloaterIMContainer* im_box = LLFloaterIMContainer::findInstance();
-	if (im_box)
-	{
-		im_box->setTimeNow(mSessionID, chat.mFromID);
-	}
-	LLChat& tmp_chat = const_cast<LLChat&>(chat);
-
-	if (tmp_chat.mTimeStr.empty())
-		tmp_chat.mTimeStr = appendTime();
-
-	tmp_chat.mFromName = chat.mFromName;
-
-	LLSD chat_args = args;
-	chat_args["use_plain_text_chat_history"] =
-			gSavedSettings.getBOOL("PlainTextChatHistory");
-	chat_args["show_time"] = gSavedSettings.getBOOL("IMShowTime");
-	chat_args["show_names_for_p2p_conv"] = !mIsP2PChat ||
-			gSavedSettings.getBOOL("IMShowNamesForP2PConv");
-
-	mChatHistory->appendMessage(chat, chat_args);
-}
-
-void LLFloaterIMSessionTab::updateUsedEmojis(LLWString text)
-{
-    LLEmojiDictionary* dictionary = LLEmojiDictionary::getInstance();
-    llassert_always(dictionary);
-
-    bool emojiSent = false;
-    for (llwchar& c : text)
-    {
-        if (dictionary->isEmoji(c))
-        {
-            LLFloaterEmojiPicker::onEmojiUsed(c);
-            emojiSent = true;
-        }
-    }
-
-    if (!emojiSent)
-        return;
-
-    LLFloaterEmojiPicker::saveState();
-
-    if (mEmojiRecentPanel->getVisible())
-    {
-        initEmojiRecentPanel();
-    }
-}
-
-static LLTrace::BlockTimerStatHandle FTM_BUILD_CONVERSATION_VIEW_PARTICIPANT("Build Conversation View");
-void LLFloaterIMSessionTab::buildConversationViewParticipant()
-{
-	LL_RECORD_BLOCK_TIME(FTM_BUILD_CONVERSATION_VIEW_PARTICIPANT);
-	// Clear the widget list since we are rebuilding afresh from the model
-	conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();
-	while (widget_it != mConversationsWidgets.end())
-	{
-		removeConversationViewParticipant(widget_it->first);
-		// Iterators are invalidated by erase so we need to pick begin again
-		widget_it = mConversationsWidgets.begin();
-	}
-	
-	// Get the model list
-	LLParticipantList* item = getParticipantList();
-	if (!item)
-	{
-		// Nothing to do if the model list is inexistent
-		return;
-	}
-	
-	// Create the participants widgets now
-	LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = item->getChildrenBegin();
-	LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = item->getChildrenEnd();
-	while (current_participant_model != end_participant_model)
-	{
-		LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>(*current_participant_model);
-		if (participant_model)
-		{
-			addConversationViewParticipant(participant_model);
-		}
-		current_participant_model++;
-	}
-}
-
-void LLFloaterIMSessionTab::addConversationViewParticipant(LLConversationItem* participant_model, bool update_view)
-{
-	if (!participant_model)
-	{
-		// Nothing to do if the model is inexistent
-		return;
-	}
-
-	// Check if the model already has an associated view
-	LLUUID uuid = participant_model->getUUID();
-	LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,uuid);
-	
-	// If not already present, create the participant view and attach it to the root, otherwise, just refresh it
-	if (widget)
-	{
-		if (update_view)
-		{
-			updateConversationViewParticipant(uuid); // overkill?
-		}
-	}
-	else
-	{
-		LLConversationViewParticipant* participant_view = createConversationViewParticipant(participant_model);
-		mConversationsWidgets[uuid] = participant_view;
-		participant_view->addToFolder(mConversationsRoot);
-		participant_view->addToSession(mSessionID);
-		participant_view->setVisible(true);
-	}
-}
-
-void LLFloaterIMSessionTab::removeConversationViewParticipant(const LLUUID& participant_id)
-{
-	LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,participant_id);
-	if (widget)
-	{
-        LLFolderViewModelItem* item_vmi = widget->getViewModelItem();
-        if (item_vmi && item_vmi->getNumRefs() == 1)
-        {
-            // This is the last pointer, remove participant from session
-            // before participant gets deleted on destroyView.
-            // 
-            // Floater (widget) and participant's view can simultaneously
-            // co-own the model, in which case view is responsible for
-            // the deletion and floater is free to clear and recreate
-            // the list, yet there are cases where only widget owns
-            // the pointer so it should do the cleanup.
-            // See "add_participant".
-            //
-            // Todo: If it keeps causing issues turn participants
-            // into LLPointers in the session 
-            LLParticipantList* session = getParticipantList();
-            if (session)
-            {
-                session->removeChild(item_vmi);
-            }
-        }
-		widget->destroyView();
-	}
-	mConversationsWidgets.erase(participant_id);
-}
-
-void LLFloaterIMSessionTab::updateConversationViewParticipant(const LLUUID& participant_id)
-{
-	LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,participant_id);
-	if (widget && widget->getViewModelItem())
-	{
-		widget->refresh();
-	}
-}
-
-void LLFloaterIMSessionTab::refreshConversation()
-{
-	// Note: We collect participants names to change the session name only in the case of ad-hoc conversations
-	bool is_ad_hoc = (mSession ? mSession->isAdHocSessionType() : false);
-	uuid_vec_t participants_uuids; // uuids vector for building the added participants name string
-	// For P2P chat, we still need to update the session name who may have changed (switch display name for instance)
-	if (mIsP2PChat && mSession)
-	{
-		participants_uuids.push_back(mSession->mOtherParticipantID);
-	}
-
-	conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();
-	while (widget_it != mConversationsWidgets.end())
-	{
-		// Add the participant to the list except if it's the agent itself (redundant)
-		if (is_ad_hoc && (widget_it->first != gAgentID))
-		{
-			participants_uuids.push_back(widget_it->first);
-		}
-		if (widget_it->second->getViewModelItem())
-		{
-			widget_it->second->refresh();
-			widget_it->second->setVisible(true);
-		}
-		++widget_it;
-	}
-	if (is_ad_hoc || mIsP2PChat)
-	{
-		// Build the session name and update it
-		std::string session_name;
-		if (participants_uuids.size() != 0)
-		{
-			LLAvatarActions::buildResidentsString(participants_uuids, session_name);
-		}
-		else
-		{
-			session_name = LLIMModel::instance().getName(mSessionID);
-		}
-		updateSessionName(session_name);
-	}
-
-	if (mSessionID.notNull())
-	{
-		LLParticipantList* participant_list = getParticipantList();
-		if (participant_list)
-		{
-			LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = participant_list->getChildrenBegin();
-			LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = participant_list->getChildrenEnd();
-			LLIMSpeakerMgr *speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);
-			while (current_participant_model != end_participant_model)
-			{
-				LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(*current_participant_model);
-				if (speaker_mgr && participant_model)
-				{
-					LLSpeaker *participant_speaker = speaker_mgr->findSpeaker(participant_model->getUUID());
-					LLSpeaker *agent_speaker = speaker_mgr->findSpeaker(gAgentID);
-					if (participant_speaker && agent_speaker)
-					{
-						participant_model->setDisplayModeratorRole(agent_speaker->mIsModerator && participant_speaker->mIsModerator);
-					}
-				}
-				current_participant_model++;
-			}
-		}
-	}
-	
-	mConversationViewModel.requestSortAll();
-	if(mConversationsRoot != NULL)
-	{
-		mConversationsRoot->arrangeAll();
-		mConversationsRoot->update();
-	}
-	updateHeaderAndToolbar();
-	refresh();
-}
-
-// Copied from LLFloaterIMContainer::createConversationViewParticipant(). Refactor opportunity!
-LLConversationViewParticipant* LLFloaterIMSessionTab::createConversationViewParticipant(LLConversationItem* item)
-{
-	LLRect panel_rect = mParticipantListPanel->getRect();
-	
-	LLConversationViewParticipant::Params params;
-	params.name = item->getDisplayName();
-	params.root = mConversationsRoot;
-	params.listener = item;
-	params.rect = LLRect (0, 24, panel_rect.getWidth(), 0); // *TODO: use conversation_view_participant.xml itemHeight value in lieu of 24
-	params.tool_tip = params.name;
-	params.participant_id = item->getUUID();
-	
-	return LLUICtrlFactory::create<LLConversationViewParticipant>(params);
-}
-
-void LLFloaterIMSessionTab::setSortOrder(const LLConversationSort& order)
-{
-	mConversationViewModel.setSorter(order);
-	mConversationsRoot->arrangeAll();
-	refreshConversation();
-}
-
-void LLFloaterIMSessionTab::onIMSessionMenuItemClicked(const LLSD& userdata)
-{
-	std::string item = userdata.asString();
-
-	if (item == "compact_view" || item == "expanded_view")
-	{
-		gSavedSettings.setBOOL("PlainTextChatHistory", item == "compact_view");
-	}
-	else
-	{
-		bool prev_value = gSavedSettings.getBOOL(item);
-		gSavedSettings.setBOOL(item, !prev_value);
-	}
-
-	LLFloaterIMSessionTab::processChatHistoryStyleUpdate();
-}
-
-bool LLFloaterIMSessionTab::onIMCompactExpandedMenuItemCheck(const LLSD& userdata)
-{
-	std::string item = userdata.asString();
-	bool is_plain_text_mode = gSavedSettings.getBOOL("PlainTextChatHistory");
-
-	return is_plain_text_mode? item == "compact_view" : item == "expanded_view";
-}
-
-
-bool LLFloaterIMSessionTab::onIMShowModesMenuItemCheck(const LLSD& userdata)
-{
-	return gSavedSettings.getBOOL(userdata.asString());
-}
-
-// enable/disable states for the "show time" and "show names" items of the show-modes menu
-bool LLFloaterIMSessionTab::onIMShowModesMenuItemEnable(const LLSD& userdata)
-{
-	std::string item = userdata.asString();
-	bool plain_text = gSavedSettings.getBOOL("PlainTextChatHistory");
-	bool is_not_names = (item != "IMShowNamesForP2PConv");
-	return (plain_text && (is_not_names || mIsP2PChat));
-}
-
-void LLFloaterIMSessionTab::hideOrShowTitle()
-{
-	const LLFloater::Params& default_params = LLFloater::getDefaultParams();
-	S32 floater_header_size = default_params.header_height;
-	LLView* floater_contents = getChild<LLView>("contents_view");
-
-	LLRect floater_rect = getLocalRect();
-	S32 top_border_of_contents = floater_rect.mTop - (isTornOff()? floater_header_size : 0);
-	LLRect handle_rect (0, floater_rect.mTop, floater_rect.mRight, top_border_of_contents);
-	LLRect contents_rect (0, top_border_of_contents, floater_rect.mRight, floater_rect.mBottom);
-	mDragHandle->setShape(handle_rect);
-	mDragHandle->setVisible(isTornOff());
-	floater_contents->setShape(contents_rect);
-}
-
-void LLFloaterIMSessionTab::updateSessionName(const std::string& name)
-{
-	mInputEditor->setLabel(LLTrans::getString("IM_to_label") + " " + name);
-}
-
-void LLFloaterIMSessionTab::updateChatIcon(const LLUUID& id)
-{
-	if (mSession)
-	{
-		if (mSession->isP2PSessionType())
-		{
-			LLAvatarIconCtrl* icon = getChild<LLAvatarIconCtrl>(ICN_AVATAR);
-			icon->setVisible(true);
-			icon->setValue(id);
-		}
-		if (mSession->isAdHocSessionType())
-		{
-			LLGroupIconCtrl* icon = getChild<LLGroupIconCtrl>(ICN_GROUP);
-			icon->setVisible(true);
-		}
-		if (mSession->isGroupSessionType())
-		{
-			LLGroupIconCtrl* icon = getChild<LLGroupIconCtrl>(ICN_GROUP);
-			icon->setVisible(true);
-			icon->setValue(id);
-		}
-	}
-	else
-	{
-		if (mIsNearbyChat)
-		{
-			LLIconCtrl* icon = getChild<LLIconCtrl>(ICN_NEARBY);
-			icon->setVisible(true);
-		}
-	}
-
-}
-
-void LLFloaterIMSessionTab::hideAllStandardButtons()
-{
-	for (S32 i = 0; i < BUTTON_COUNT; i++)
-	{
-		if (mButtons[i])
-		{
-			// Hide the standard header buttons in a docked IM floater.
-			mButtons[i]->setVisible(false);
-		}
-	}
-}
-
-void LLFloaterIMSessionTab::updateHeaderAndToolbar()
-{
-	// prevent start conversation before its container
-	LLFloaterIMContainer::getInstance();
-
-	bool is_not_torn_off = !checkIfTornOff();
-	if (is_not_torn_off)
-	{
-		hideAllStandardButtons();
-	}
-
-	hideOrShowTitle();
-
-	// Participant list should be visible only in torn off floaters.
-	bool is_participant_list_visible =
-			!is_not_torn_off
-			&& mIsParticipantListExpanded
-			&& !mIsP2PChat;
-
-	mParticipantListAndHistoryStack->collapsePanel(mParticipantListPanel, !is_participant_list_visible);
-	mParticipantListPanel->setVisible(is_participant_list_visible);
-
-	// Display collapse image (<<) if the floater is hosted
-	// or if it is torn off but has an open control panel.
-	bool is_expanded = is_not_torn_off || is_participant_list_visible;
-	
-	mExpandCollapseBtn->setImageOverlay(getString(is_expanded ? "collapse_icon" : "expand_icon"));
-	mExpandCollapseBtn->setToolTip(
-			is_not_torn_off?
-				getString("expcol_button_not_tearoff_tooltip") :
-				(is_expanded?
-					getString("expcol_button_tearoff_and_expanded_tooltip") :
-					getString("expcol_button_tearoff_and_collapsed_tooltip")));
-
-	// toggle floater's drag handle and title visibility
-	if (mDragHandle)
-	{
-		mDragHandle->setTitleVisible(!is_not_torn_off);
-	}
-
-	// The button (>>) should be disabled for torn off P2P conversations.
-	mExpandCollapseBtn->setEnabled(is_not_torn_off || !mIsP2PChat);
-
-	mTearOffBtn->setImageOverlay(getString(is_not_torn_off? "tear_off_icon" : "return_icon"));
-	mTearOffBtn->setToolTip(getString(is_not_torn_off? "tooltip_to_separate_window" : "tooltip_to_main_window"));
-
-
-	mCloseBtn->setVisible(is_not_torn_off && !mIsNearbyChat);
-
-	enableDisableCallBtn();
-}
- 
-void LLFloaterIMSessionTab::forceReshape()
-{
-	LLRect floater_rect = getRect();
-	reshape(llmax(floater_rect.getWidth(), this->getMinWidth()),
-			llmax(floater_rect.getHeight(), this->getMinHeight()),
-			true);
-}
-
-
-void LLFloaterIMSessionTab::reshapeChatLayoutPanel()
-{
-	mChatLayoutPanel->reshape(mChatLayoutPanel->getRect().getWidth(), mInputEditor->getRect().getHeight() + mInputEditorPad, false);
-}
-
-// static
-void LLFloaterIMSessionTab::processChatHistoryStyleUpdate(bool clean_messages/* = false*/)
-{
-	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->reloadMessages(clean_messages);
-		}
-	}
-
-	LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");
-	if (nearby_chat)
-	{
-			 nearby_chat->reloadMessages(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)
-{
-	mVoiceButton->setImageOverlay(callIsActive? getString("call_btn_stop") : getString("call_btn_start"));
-	mVoiceButton->setToolTip(callIsActive? getString("end_call_button_tooltip") : getString("start_call_button_tooltip"));
-
-	enableDisableCallBtn();
-}
-
-void LLFloaterIMSessionTab::onSlide(LLFloaterIMSessionTab* self)
-{
-	LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(self->getHost());
-	bool should_be_expanded = false;
-	if (host_floater)
-	{
-		// Hide the messages pane if a floater is hosted in the Conversations
-		host_floater->collapseMessagesPane(true);
-	}
-	else ///< floater is torn off
-	{
-		if (!self->mIsP2PChat)
-		{
-			// The state must toggle the collapsed state of the panel
-			should_be_expanded = self->mParticipantListPanel->isCollapsed();
-
-			// Update the expand/collapse flag of the participant list panel and save it
-			gSavedSettings.setBOOL("IMShowControlPanel", should_be_expanded);
-			self->mIsParticipantListExpanded = should_be_expanded;
-
-			// Refresh for immediate feedback
-			self->refreshConversation();
-		}
-	}
-
-	self->assignResizeLimits();
-	if (should_be_expanded)
-	{
-		self->forceReshape();
-	}
-}
-
-void LLFloaterIMSessionTab::onCollapseToLine(LLFloaterIMSessionTab* self)
-{
-	LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(self->getHost());
-	if (!host_floater)
-	{
-		bool expand = self->isMessagePaneExpanded();
-		self->mExpandCollapseLineBtn->setImageOverlay(self->getString(expand ? "collapseline_icon" : "expandline_icon"));
-		self->mContentPanel->setVisible(!expand);
-		self->mToolbarPanel->setVisible(!expand);
-		self->mInputEditor->enableSingleLineMode(expand);
-		self->reshapeFloater(expand);
-		self->setMessagePaneExpanded(!expand);
-	}
-}
-
-void LLFloaterIMSessionTab::reshapeFloater(bool collapse)
-{
-	LLRect floater_rect = getRect();
-
-	if(collapse)
-	{
-		mFloaterHeight = floater_rect.getHeight();
-		S32 height = mContentPanel->getRect().getHeight() + mToolbarPanel->getRect().getHeight()
-			+ mChatLayoutPanel->getRect().getHeight() - mChatLayoutPanelHeight + 2;
-		floater_rect.mTop -= height;
-
-		setResizeLimits(getMinWidth(), floater_rect.getHeight());
-	}
-	else
-	{
-		floater_rect.mTop = floater_rect.mBottom + mFloaterHeight;
-		setResizeLimits(getMinWidth(), mMinFloaterHeight);
-	}
-
-	enableResizeCtrls(true, true, !collapse);
-
-	saveCollapsedState();
-	setShape(floater_rect, true);
-	mBodyStack->updateLayout();
-}
-
-void LLFloaterIMSessionTab::restoreFloater()
-{
-	if(!isMessagePaneExpanded())
-	{
-		if(isMinimized())
-		{
-			setMinimized(false);
-		}
-		mContentPanel->setVisible(true);
-		mToolbarPanel->setVisible(true);
-		LLRect floater_rect = getRect();
-		floater_rect.mTop = floater_rect.mBottom + mFloaterHeight;
-		setShape(floater_rect, true);
-		mBodyStack->updateLayout();
-		mExpandCollapseLineBtn->setImageOverlay(getString("expandline_icon"));
-		setResizeLimits(getMinWidth(), mMinFloaterHeight);
-		setMessagePaneExpanded(true);
-		saveCollapsedState();
-		mInputEditor->enableSingleLineMode(false);
-		enableResizeCtrls(true, true, true);
-	}
-}
-
-/*virtual*/
-void LLFloaterIMSessionTab::onOpen(const LLSD& key)
-{
-	if (!checkIfTornOff())
-	{
-		LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(getHost());
-		// Show the messages pane when opening a floater hosted in the Conversations
-		host_floater->collapseMessagesPane(false);
-	}
-
-	mInputButtonPanel->setVisible(isTornOff());
-
-	setFocus(true);
-}
-
-
-void LLFloaterIMSessionTab::onTearOffClicked()
-{
-	restoreFloater();
-	setFollows(isTornOff()? FOLLOWS_ALL : FOLLOWS_NONE);
-	mSaveRect = isTornOff();
-	initRectControl();
-	LLFloater::onClickTearOff(this);
-	LLFloaterIMContainer* container = LLFloaterReg::findTypedInstance<LLFloaterIMContainer>("im_container");
-
-	if (isTornOff())
-	{
-		container->selectAdjacentConversation(false);
-		forceReshape();
-	}
-	//Upon re-docking the torn off floater, select the corresponding conversation line item
-	else
-	{
-		container->selectConversation(mSessionID);
-
-	}
-	mInputButtonPanel->setVisible(isTornOff());
-
-	refreshConversation();
-	updateGearBtn();
-}
-
-void LLFloaterIMSessionTab::updateGearBtn()
-{
-	bool prevVisibility = mGearBtn->getVisible();
-	mGearBtn->setVisible(checkIfTornOff() && mIsP2PChat);
-
-
-	// Move buttons if Gear button changed visibility
-	if(prevVisibility != mGearBtn->getVisible())
-	{
-		LLRect gear_btn_rect =  mGearBtn->getRect();
-		LLRect add_btn_rect = mAddBtn->getRect();
-		LLRect call_btn_rect = mVoiceButton->getRect();
-		S32 gap_width = call_btn_rect.mLeft - add_btn_rect.mRight;
-		S32 right_shift = gear_btn_rect.getWidth() + gap_width;
-		if(mGearBtn->getVisible())
-		{
-			// Move buttons to the right to give space for Gear button
-			add_btn_rect.translate(right_shift,0);
-			call_btn_rect.translate(right_shift,0);
-		}
-		else
-		{
-			add_btn_rect.translate(-right_shift,0);
-			call_btn_rect.translate(-right_shift,0);
-		}
-		mAddBtn->setRect(add_btn_rect);
-		mVoiceButton->setRect(call_btn_rect);
-	}
-}
-
-void LLFloaterIMSessionTab::initBtns()
-{
-	LLRect gear_btn_rect =  mGearBtn->getRect();
-	LLRect add_btn_rect = mAddBtn->getRect();
-	LLRect call_btn_rect = mVoiceButton->getRect();
-	S32 gap_width = call_btn_rect.mLeft - add_btn_rect.mRight;
-	S32 right_shift = gear_btn_rect.getWidth() + gap_width;
-
-	add_btn_rect.translate(-right_shift,0);
-	call_btn_rect.translate(-right_shift,0);
-
-	mAddBtn->setRect(add_btn_rect);
-	mVoiceButton->setRect(call_btn_rect);
-}
-
-// static
-bool LLFloaterIMSessionTab::isChatMultiTab()
-{
-	// Restart is required in order to change chat window type.
-	return true;
-}
-
-bool LLFloaterIMSessionTab::checkIfTornOff()
-{
-	bool isTorn = !getHost();
-	
-	if (isTorn != isTornOff())
-	{
-		setTornOff(isTorn);
-		refreshConversation();
-	}
-
-	return isTorn;
-}
-
-void LLFloaterIMSessionTab::doToSelected(const LLSD& userdata)
-{
-	// Get the list of selected items in the tab
-	std::string command = userdata.asString();
-	uuid_vec_t selected_uuids;
-	getSelectedUUIDs(selected_uuids);
-		
-	// Perform the command (IM, profile, etc...) on the list using the general conversation container method
-	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
-	// Note: By construction, those can only be participants so we can call doToParticipants() directly
-	floater_container->doToParticipants(command, selected_uuids);
-}
-
-bool LLFloaterIMSessionTab::enableContextMenuItem(const LLSD& userdata)
-{
-	// Get the list of selected items in the tab
-	std::string command = userdata.asString();
-	uuid_vec_t selected_uuids;
-	getSelectedUUIDs(selected_uuids);
-	
-	// Perform the item enable test on the list using the general conversation container method
-	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
-	return floater_container->enableContextMenuItem(command, selected_uuids);
-}
-
-bool LLFloaterIMSessionTab::checkContextMenuItem(const LLSD& userdata)
-{
-	// Get the list of selected items in the tab
-	std::string command = userdata.asString();
-	uuid_vec_t selected_uuids;
-	getSelectedUUIDs(selected_uuids);
-	
-	// Perform the item check on the list using the general conversation container method
-	LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
-	return floater_container->checkContextMenuItem(command, selected_uuids);
-}
-
-void LLFloaterIMSessionTab::getSelectedUUIDs(uuid_vec_t& selected_uuids)
-{
-	const std::set<LLFolderViewItem*> selected_items = mConversationsRoot->getSelectionList();
-	
-	std::set<LLFolderViewItem*>::const_iterator it = selected_items.begin();
-	const std::set<LLFolderViewItem*>::const_iterator it_end = selected_items.end();
-	
-	for (; it != it_end; ++it)
-	{
-		LLConversationItem* conversation_item = static_cast<LLConversationItem *>((*it)->getViewModelItem());
-		if (conversation_item)
-		{
-			selected_uuids.push_back(conversation_item->getUUID());
-		}
-	}
-}
-
-LLConversationItem* LLFloaterIMSessionTab::getCurSelectedViewModelItem()
-{
-	LLConversationItem *conversationItem = NULL;
-
-	if(mConversationsRoot && 
-		mConversationsRoot->getCurSelectedItem() && 
-		mConversationsRoot->getCurSelectedItem()->getViewModelItem())
-	{
-		conversationItem = static_cast<LLConversationItem *>(mConversationsRoot->getCurSelectedItem()->getViewModelItem()) ;
-	}
-
-	return conversationItem;
-}
-
-void LLFloaterIMSessionTab::saveCollapsedState()
-{
-	LLFloaterIMSessionTab* conversp = LLFloaterIMSessionTab::getConversation(mSessionID);
-	if(conversp->isNearbyChat())
-	{
-		gSavedPerAccountSettings.setBOOL("NearbyChatIsNotCollapsed", isMessagePaneExpanded());
-	}
-}
-
-LLView* LLFloaterIMSessionTab::getChatHistory()
-{
-	return mChatHistory;
-}
-
-bool LLFloaterIMSessionTab::handleKeyHere(KEY key, MASK mask )
-{
-	bool handled = false;
-
-	if(mask == MASK_ALT)
-	{
-		LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();
-		if (KEY_RETURN == key && !isTornOff())
-		{
-			floater_container->expandConversation();
-			handled = true;
-		}
-		if ((KEY_UP == key) || (KEY_LEFT == key))
-		{
-			floater_container->selectNextorPreviousConversation(false);
-			handled = true;
-		}
-		if ((KEY_DOWN == key ) || (KEY_RIGHT == key))
-		{
-			floater_container->selectNextorPreviousConversation(true);
-			handled = true;
-		}
-	}
-	return handled;
-}
+/**

+ * @file llfloaterimsessiontab.cpp

+ * @brief LLFloaterIMSessionTab class implements the common behavior of LNearbyChatBar

+ * @brief and LLFloaterIMSession for hosting both in LLIMContainer

+ *

+ * $LicenseInfo:firstyear=2012&license=viewerlgpl$

+ * Second Life Viewer Source Code

+ * Copyright (C) 2012, 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 "llfloaterimsessiontab.h"

+

+#include "llagent.h"

+#include "llagentcamera.h"

+#include "llavataractions.h"

+#include "llavatariconctrl.h"

+#include "llchatentry.h"

+#include "llchathistory.h"

+#include "llchiclet.h"

+#include "llchicletbar.h"

+#include "lldraghandle.h"

+#include "llemojidictionary.h"

+#include "llfloaterreg.h"

+#include "llfloateremojipicker.h"

+#include "llfloaterimsession.h"

+#include "llfloaterimcontainer.h" // to replace separate IM Floaters with multifloater container

+#include "llfloaterimnearbychat.h"

+#include "llgroupiconctrl.h"

+#include "lllayoutstack.h"

+#include "llpanelemojicomplete.h"

+#include "lltoolbarview.h"

+

+const F32 REFRESH_INTERVAL = 1.0f;

+const std::string ICN_GROUP("group_chat_icon");

+const std::string ICN_NEARBY("nearby_chat_icon");

+const std::string ICN_AVATAR("avatar_icon");

+

+void cb_group_do_nothing()

+{

+}

+

+LLFloaterIMSessionTab::LLFloaterIMSessionTab(const LLSD& session_id)

+:   super(NULL, false, session_id),

+    mIsP2PChat(false),

+    mExpandCollapseBtn(NULL),

+    mTearOffBtn(NULL),

+    mCloseBtn(NULL),

+    mSessionID(session_id.asUUID()),

+    mConversationsRoot(NULL),

+    mScroller(NULL),

+    mChatHistory(NULL),

+    mInputEditor(NULL),

+    mInputEditorPad(0),

+    mRefreshTimer(new LLTimer()),

+    mIsHostAttached(false),

+    mHasVisibleBeenInitialized(false),

+    mIsParticipantListExpanded(true),

+    mChatLayoutPanel(NULL),

+    mInputPanels(NULL),

+    mChatLayoutPanelHeight(0)

+{

+    setAutoFocus(false);

+    mSession = LLIMModel::getInstance()->findIMSession(mSessionID);

+

+    mCommitCallbackRegistrar.add("IMSession.Menu.Action",

+            boost::bind(&LLFloaterIMSessionTab::onIMSessionMenuItemClicked,  this, _2));

+    mEnableCallbackRegistrar.add("IMSession.Menu.CompactExpandedModes.CheckItem",

+            boost::bind(&LLFloaterIMSessionTab::onIMCompactExpandedMenuItemCheck, this, _2));

+    mEnableCallbackRegistrar.add("IMSession.Menu.ShowModes.CheckItem",

+            boost::bind(&LLFloaterIMSessionTab::onIMShowModesMenuItemCheck,   this, _2));

+    mEnableCallbackRegistrar.add("IMSession.Menu.ShowModes.Enable",

+            boost::bind(&LLFloaterIMSessionTab::onIMShowModesMenuItemEnable,  this, _2));

+

+    // Right click menu handling

+    mEnableCallbackRegistrar.add("Avatar.CheckItem",  boost::bind(&LLFloaterIMSessionTab::checkContextMenuItem, this, _2));

+    mEnableCallbackRegistrar.add("Avatar.EnableItem", boost::bind(&LLFloaterIMSessionTab::enableContextMenuItem, this, _2));

+    mCommitCallbackRegistrar.add("Avatar.DoToSelected", boost::bind(&LLFloaterIMSessionTab::doToSelected, this, _2));

+    mCommitCallbackRegistrar.add("Group.DoToSelected", boost::bind(&cb_group_do_nothing));

+

+    mMinFloaterHeight = getMinHeight();

+}

+

+LLFloaterIMSessionTab::~LLFloaterIMSessionTab()

+{

+    delete mRefreshTimer;

+

+    LLFloaterIMContainer* im_container = LLFloaterIMContainer::findInstance();

+    if (im_container)

+    {

+        LLParticipantList* session = dynamic_cast<LLParticipantList*>(im_container->getSessionModel(mSessionID));

+        if (session)

+        {

+            for (const conversations_widgets_map::value_type& widget_pair : mConversationsWidgets)

+            {

+                LLFolderViewItem* widget = widget_pair.second;

+                LLFolderViewModelItem* item_vmi = widget->getViewModelItem();

+                if (item_vmi && item_vmi->getNumRefs() == 1)

+                {

+                    // This is the last pointer, remove participant from session

+                    // before participant gets deleted on destroyView.

+                    session->removeChild(item_vmi);

+                }

+            }

+        }

+    }

+}

+

+// static

+LLFloaterIMSessionTab* LLFloaterIMSessionTab::findConversation(const LLUUID& uuid)

+{

+    LLFloaterIMSessionTab* conv;

+

+    if (uuid.isNull())

+    {

+        conv = LLFloaterReg::findTypedInstance<LLFloaterIMSessionTab>("nearby_chat");

+    }

+    else

+    {

+        conv = LLFloaterReg::findTypedInstance<LLFloaterIMSessionTab>("impanel", LLSD(uuid));

+    }

+

+    return conv;

+};

+

+// static

+LLFloaterIMSessionTab* LLFloaterIMSessionTab::getConversation(const LLUUID& uuid)

+{

+    LLFloaterIMSessionTab* conv;

+

+    if (uuid.isNull())

+    {

+        conv = LLFloaterReg::getTypedInstance<LLFloaterIMSessionTab>("nearby_chat");

+    }

+    else

+    {

+        conv = LLFloaterReg::getTypedInstance<LLFloaterIMSessionTab>("impanel", LLSD(uuid));

+        conv->setOpenPositioning(LLFloaterEnums::POSITIONING_RELATIVE);

+    }

+

+    return conv;

+

+};

+

+// virtual

+void LLFloaterIMSessionTab::setVisible(bool visible)

+{

+    if (visible && !mHasVisibleBeenInitialized)

+    {

+        mHasVisibleBeenInitialized = true;

+        if (!gAgentCamera.cameraMouselook())

+        {

+            LLFloaterReg::getTypedInstance<LLFloaterIMContainer>("im_container")->setVisible(true);

+        }

+        LLFloaterIMSessionTab::addToHost(mSessionID);

+        LLFloaterIMSessionTab* conversp = LLFloaterIMSessionTab::getConversation(mSessionID);

+

+        if (conversp && conversp->isNearbyChat() && gSavedPerAccountSettings.getBOOL("NearbyChatIsNotCollapsed"))

+        {

+            onCollapseToLine(this);

+        }

+        mInputButtonPanel->setVisible(isTornOff());

+    }

+

+    super::setVisible(visible);

+}

+

+// virtual

+void LLFloaterIMSessionTab::setFocus(bool focus)

+{

+    super::setFocus(focus);

+

+    // Redirect focus to input editor

+    if (focus)

+    {

+        updateMessages();

+

+        if (mInputEditor)

+        {

+            mInputEditor->setFocus(true);

+        }

+    }

+}

+

+void LLFloaterIMSessionTab::addToHost(const LLUUID& session_id)

+{

+    if ((session_id.notNull() && !gIMMgr->hasSession(session_id))

+            || !LLFloaterIMSessionTab::isChatMultiTab())

+    {

+        return;

+    }

+

+    // Get the floater: this will create the instance if it didn't exist

+    LLFloaterIMSessionTab* conversp = LLFloaterIMSessionTab::getConversation(session_id);

+    if (conversp)

+    {

+        LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();

+

+        // Do not add again existing floaters

+        if (floater_container && !conversp->isHostAttached())

+        {

+            conversp->setHostAttached(true);

+

+            if (!conversp->isNearbyChat()

+                    || gSavedPerAccountSettings.getBOOL("NearbyChatIsNotTornOff"))

+            {

+                floater_container->addFloater(conversp, false, LLTabContainer::RIGHT_OF_CURRENT);

+            }

+            else

+            {

+                // setting of the "potential" host for Nearby Chat: this sequence sets

+                // LLFloater::mHostHandle = NULL (a current host), but

+                // LLFloater::mLastHostHandle = floater_container (a "future" host)

+                conversp->setHost(floater_container);

+                conversp->setHost(NULL);

+

+                conversp->forceReshape();

+            }

+            // Added floaters share some state (like sort order) with their host

+            conversp->setSortOrder(floater_container->getSortOrder());

+        }

+    }

+}

+

+void LLFloaterIMSessionTab::assignResizeLimits()

+{

+    bool is_participants_pane_collapsed = mParticipantListPanel->isCollapsed();

+

+    // disable a layoutstack's functionality when participant list panel is collapsed

+    mRightPartPanel->setIgnoreReshape(is_participants_pane_collapsed);

+

+    S32 participants_pane_target_width = is_participants_pane_collapsed?

+            0 : (mParticipantListPanel->getRect().getWidth() + mParticipantListAndHistoryStack->getPanelSpacing());

+

+    S32 new_min_width = participants_pane_target_width + mRightPartPanel->getExpandedMinDim() + mFloaterExtraWidth;

+

+    setResizeLimits(new_min_width, getMinHeight());

+

+    this->mParticipantListAndHistoryStack->updateLayout();

+}

+

+// virtual

+bool LLFloaterIMSessionTab::postBuild()

+{

+    bool result;

+

+    mBodyStack = getChild<LLLayoutStack>("main_stack");

+    mParticipantListAndHistoryStack = getChild<LLLayoutStack>("im_panels");

+

+    mCloseBtn = getChild<LLButton>("close_btn");

+    mCloseBtn->setCommitCallback([this](LLUICtrl*, const LLSD&) { onClickClose(this); });

+

+    mExpandCollapseBtn = getChild<LLButton>("expand_collapse_btn");

+    mExpandCollapseBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onSlide(this); });

+

+    mExpandCollapseLineBtn = getChild<LLButton>("minz_btn");

+    mExpandCollapseLineBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onCollapseToLine(this); });

+

+    mTearOffBtn = getChild<LLButton>("tear_off_btn");

+    mTearOffBtn->setCommitCallback(boost::bind(&LLFloaterIMSessionTab::onTearOffClicked, this));

+

+    mEmojiRecentPanelToggleBtn = getChild<LLButton>("emoji_recent_panel_toggle_btn");

+    mEmojiRecentPanelToggleBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onEmojiRecentPanelToggleBtnClicked(); });

+

+    mEmojiRecentPanel = getChild<LLLayoutPanel>("emoji_recent_layout_panel");

+    mEmojiRecentPanel->setVisible(false);

+

+    mEmojiRecentEmptyText = getChild<LLTextBox>("emoji_recent_empty_text");

+    mEmojiRecentEmptyText->setToolTip(mEmojiRecentEmptyText->getText());

+    mEmojiRecentEmptyText->setVisible(false);

+

+    mEmojiRecentContainer = getChild<LLPanel>("emoji_recent_container");

+    mEmojiRecentContainer->setVisible(false);

+

+    mEmojiRecentIconsCtrl = getChild<LLPanelEmojiComplete>("emoji_recent_icons_ctrl");

+    mEmojiRecentIconsCtrl->setFocusReceivedCallback([this](LLFocusableElement*) { onEmojiRecentPanelFocusReceived(); });

+    mEmojiRecentIconsCtrl->setFocusLostCallback([this](LLFocusableElement*) { onEmojiRecentPanelFocusLost(); });

+    mEmojiRecentIconsCtrl->setCommitCallback([this](LLUICtrl*, const LLSD& value) { onRecentEmojiPicked(value); });

+

+    mEmojiPickerShowBtn = getChild<LLButton>("emoji_picker_show_btn");

+    mEmojiPickerShowBtn->setClickedCallback([this](LLUICtrl*, const LLSD&) { onEmojiPickerShowBtnClicked(); });

+

+    mGearBtn = getChild<LLButton>("gear_btn");

+    mAddBtn = getChild<LLButton>("add_btn");

+    mVoiceButton = getChild<LLButton>("voice_call_btn");

+

+    mParticipantListPanel = getChild<LLLayoutPanel>("speakers_list_panel");

+    mRightPartPanel = getChild<LLLayoutPanel>("right_part_holder");

+

+    mToolbarPanel = getChild<LLLayoutPanel>("toolbar_panel");

+    mContentPanel = getChild<LLLayoutPanel>("body_panel");

+    mInputButtonPanel = getChild<LLLayoutPanel>("input_button_layout_panel");

+    mInputButtonPanel->setVisible(false);

+    // Add a scroller for the folder (participant) view

+    LLRect scroller_view_rect = mParticipantListPanel->getRect();

+    scroller_view_rect.translate(-scroller_view_rect.mLeft, -scroller_view_rect.mBottom);

+    LLScrollContainer::Params scroller_params(LLUICtrlFactory::getDefaultParams<LLFolderViewScrollContainer>());

+    scroller_params.rect(scroller_view_rect);

+    mScroller = LLUICtrlFactory::create<LLFolderViewScrollContainer>(scroller_params);

+    mScroller->setFollowsAll();

+

+    // Insert that scroller into the panel widgets hierarchy

+    mParticipantListPanel->addChild(mScroller);

+

+    mChatHistory = getChild<LLChatHistory>("chat_history");

+

+    mInputEditor = getChild<LLChatEntry>("chat_editor");

+

+    mChatLayoutPanel = getChild<LLLayoutPanel>("chat_layout_panel");

+    mInputPanels = getChild<LLLayoutStack>("input_panels");

+

+    mInputEditor->setTextExpandedCallback(boost::bind(&LLFloaterIMSessionTab::reshapeChatLayoutPanel, this));

+    mInputEditor->setMouseUpCallback(boost::bind(&LLFloaterIMSessionTab::onInputEditorClicked, this));

+    mInputEditor->setCommitOnFocusLost( false );

+    mInputEditor->setPassDelete(true);

+    mInputEditor->setFont(LLViewerChat::getChatFont());

+

+    mChatLayoutPanelHeight = mChatLayoutPanel->getRect().getHeight();

+    mInputEditorPad = mChatLayoutPanelHeight - mInputEditor->getRect().getHeight();

+

+    setOpenPositioning(LLFloaterEnums::POSITIONING_RELATIVE);

+

+    mSaveRect = isNearbyChat()

+                    &&  !gSavedPerAccountSettings.getBOOL("NearbyChatIsNotTornOff");

+    initRectControl();

+

+    if (isChatMultiTab())

+    {

+        result = LLFloater::postBuild();

+    }

+    else

+    {

+        result = LLDockableFloater::postBuild();

+    }

+

+    // Create the root using an ad-hoc base item

+    LLConversationItem* base_item = new LLConversationItem(mSessionID, mConversationViewModel);

+    LLFolderView::Params p(LLUICtrlFactory::getDefaultParams<LLFolderView>());

+    p.rect = LLRect(0, 0, getRect().getWidth(), 0);

+    p.parent_panel = mParticipantListPanel;

+    p.listener = base_item;

+    p.view_model = &mConversationViewModel;

+    p.root = NULL;

+    p.use_ellipses = true;

+    p.options_menu = "menu_conversation.xml";

+    p.name = "root";

+    mConversationsRoot = LLUICtrlFactory::create<LLFolderView>(p);

+    mConversationsRoot->setCallbackRegistrar(&mCommitCallbackRegistrar);

+    mConversationsRoot->setEnableRegistrar(&mEnableCallbackRegistrar);

+    // Attach that root to the scroller

+    mScroller->addChild(mConversationsRoot);

+    mConversationsRoot->setScrollContainer(mScroller);

+    mConversationsRoot->setFollowsAll();

+    mConversationsRoot->addChild(mConversationsRoot->mStatusTextBox);

+

+    setMessagePaneExpanded(true);

+

+    buildConversationViewParticipant();

+    refreshConversation();

+

+    // Zero expiry time is set only once to allow initial update.

+    mRefreshTimer->setTimerExpirySec(0);

+    mRefreshTimer->start();

+    initBtns();

+

+    if (mIsParticipantListExpanded != (bool)gSavedSettings.getBOOL("IMShowControlPanel"))

+    {

+        LLFloaterIMSessionTab::onSlide(this);

+    }

+

+    // The resize limits for LLFloaterIMSessionTab should be updated, based on current values of width of conversation and message panels

+    mParticipantListPanel->getResizeBar()->setResizeListener(boost::bind(&LLFloaterIMSessionTab::assignResizeLimits, this));

+    mFloaterExtraWidth =

+            getRect().getWidth()

+            - mParticipantListAndHistoryStack->getRect().getWidth()

+            - (mParticipantListPanel->isCollapsed()? 0 : LLPANEL_BORDER_WIDTH);

+

+    assignResizeLimits();

+

+    return result;

+}

+

+LLParticipantList* LLFloaterIMSessionTab::getParticipantList()

+{

+    return dynamic_cast<LLParticipantList*>(LLFloaterIMContainer::getInstance()->getSessionModel(mSessionID));

+}

+

+// virtual

+void LLFloaterIMSessionTab::draw()

+{

+    if (mRefreshTimer->hasExpired())

+    {

+        LLParticipantList* item = getParticipantList();

+        if (item)

+        {

+            // Update all model items

+            item->update();

+            // If the model and view list diverge in count, rebuild

+            // Note: this happens sometimes right around init (add participant events fire but get dropped) and is the cause

+            // of missing participants, often, the user agent itself. As there will be no other event fired, there's

+            // no other choice but get those inconsistencies regularly (and lightly) checked and scrubbed.

+            if (item->getChildrenCount() != mConversationsWidgets.size())

+            {

+                buildConversationViewParticipant();

+            }

+            refreshConversation();

+        }

+

+        // Restart the refresh timer

+        mRefreshTimer->setTimerExpirySec(REFRESH_INTERVAL);

+    }

+

+    super::draw();

+}

+

+void LLFloaterIMSessionTab::enableDisableCallBtn()

+{

+    if (LLVoiceClient::instanceExists() && mVoiceButton)

+    {

+        mVoiceButton->setEnabled(

+            mSessionID.notNull()

+            && mSession

+            && mSession->mSessionInitialized

+            && LLVoiceClient::getInstance()->voiceEnabled()

+            && LLVoiceClient::getInstance()->isVoiceWorking()

+            && mSession->mCallBackEnabled);

+    }

+}

+

+// virtual

+void LLFloaterIMSessionTab::onFocusReceived()

+{

+    setBackgroundOpaque(true);

+

+    if (mSessionID.notNull() && isInVisibleChain())

+    {

+        LLIMModel::instance().sendNoUnreadMessages(mSessionID);

+    }

+

+    super::onFocusReceived();

+}

+

+// virtual

+void LLFloaterIMSessionTab::onFocusLost()

+{

+    setBackgroundOpaque(false);

+    super::onFocusLost();

+}

+

+void LLFloaterIMSessionTab::onInputEditorClicked()

+{

+    LLFloaterIMContainer* im_box = LLFloaterIMContainer::findInstance();

+    if (im_box)

+    {

+        im_box->flashConversationItemWidget(mSessionID,false);

+    }

+    gToolBarView->flashCommand(LLCommandId("chat"), false);

+}

+

+void LLFloaterIMSessionTab::onEmojiRecentPanelToggleBtnClicked()

+{

+    bool show = !mEmojiRecentPanel->getVisible();

+    if (show)

+    {

+        initEmojiRecentPanel();

+    }

+

+    mEmojiRecentPanel->setVisible(show);

+    mInputEditor->setFocus(true);

+}

+

+void LLFloaterIMSessionTab::onEmojiPickerShowBtnClicked()

+{

+    mInputEditor->setFocus(true);

+    mInputEditor->showEmojiHelper();

+}

+

+void LLFloaterIMSessionTab::initEmojiRecentPanel()

+{

+    std::list<llwchar>& recentlyUsed = LLFloaterEmojiPicker::getRecentlyUsed();

+    if (recentlyUsed.empty())

+    {

+        mEmojiRecentEmptyText->setVisible(true);

+        mEmojiRecentContainer->setVisible(false);

+    }

+    else

+    {

+        LLWString emojis;

+        for (llwchar emoji : recentlyUsed)

+        {

+            emojis += emoji;

+        }

+        mEmojiRecentIconsCtrl->setEmojis(emojis);

+        mEmojiRecentEmptyText->setVisible(false);

+        mEmojiRecentContainer->setVisible(true);

+    }

+}

+

+// static

+void LLFloaterIMSessionTab::onEmojiRecentPanelFocusReceived()

+{

+    mEmojiRecentContainer->addBorder();

+}

+

+// static

+void LLFloaterIMSessionTab::onEmojiRecentPanelFocusLost()

+{

+    mEmojiRecentContainer->removeBorder();

+}

+

+void LLFloaterIMSessionTab::onRecentEmojiPicked(const LLSD& value)

+{

+    LLSD::String str = value.asString();

+    if (str.size())

+    {

+        LLWString wstr = utf8string_to_wstring(str);

+        if (wstr.size())

+        {

+            llwchar emoji = wstr[0];

+            mInputEditor->insertEmoji(emoji);

+        }

+    }

+}

+

+void LLFloaterIMSessionTab::closeFloater(bool app_quitting)

+{

+    LLFloaterEmojiPicker::saveState();

+    super::closeFloater(app_quitting);

+}

+

+std::string LLFloaterIMSessionTab::appendTime()

+{

+    std::string timeStr = "[" + LLTrans::getString("TimeHour") + "]:"

+                          "[" + LLTrans::getString("TimeMin") + "]";

+

+    LLSD substitution;

+    substitution["datetime"] = (S32)time_corrected();

+    LLStringUtil::format(timeStr, substitution);

+

+    return timeStr;

+}

+

+void LLFloaterIMSessionTab::appendMessage(const LLChat& chat, const LLSD& args)

+{

+    if (chat.mMuted || !mChatHistory)

+        return;

+

+    // Update the participant activity time

+    LLFloaterIMContainer* im_box = LLFloaterIMContainer::findInstance();

+    if (im_box)

+    {

+        im_box->setTimeNow(mSessionID, chat.mFromID);

+    }

+

+    LLChat& tmp_chat = const_cast<LLChat&>(chat);

+

+    if (tmp_chat.mTimeStr.empty())

+        tmp_chat.mTimeStr = appendTime();

+

+    tmp_chat.mFromName = chat.mFromName;

+

+    LLSD chat_args = args;

+    chat_args["use_plain_text_chat_history"] =

+            gSavedSettings.getBOOL("PlainTextChatHistory");

+    chat_args["show_time"] = gSavedSettings.getBOOL("IMShowTime");

+    chat_args["show_names_for_p2p_conv"] = !mIsP2PChat ||

+            gSavedSettings.getBOOL("IMShowNamesForP2PConv");

+

+    mChatHistory->appendMessage(chat, chat_args);

+}

+

+void LLFloaterIMSessionTab::updateUsedEmojis(LLWString text)

+{

+    LLEmojiDictionary* dictionary = LLEmojiDictionary::getInstance();

+    llassert_always(dictionary);

+

+    bool emojiSent = false;

+    for (llwchar& c : text)

+    {

+        if (dictionary->isEmoji(c))

+        {

+            LLFloaterEmojiPicker::onEmojiUsed(c);

+            emojiSent = true;

+        }

+    }

+

+    if (!emojiSent)

+        return;

+

+    LLFloaterEmojiPicker::saveState();

+

+    if (mEmojiRecentPanel->getVisible())

+    {

+        initEmojiRecentPanel();

+    }

+}

+

+static LLTrace::BlockTimerStatHandle FTM_BUILD_CONVERSATION_VIEW_PARTICIPANT("Build Conversation View");

+void LLFloaterIMSessionTab::buildConversationViewParticipant()

+{

+    LL_RECORD_BLOCK_TIME(FTM_BUILD_CONVERSATION_VIEW_PARTICIPANT);

+    // Clear the widget list since we are rebuilding afresh from the model

+    conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();

+    while (widget_it != mConversationsWidgets.end())

+    {

+        removeConversationViewParticipant(widget_it->first);

+        // Iterators are invalidated by erase so we need to pick begin again

+        widget_it = mConversationsWidgets.begin();

+    }

+

+    // Get the model list

+    LLParticipantList* item = getParticipantList();

+    if (!item)

+    {

+        // Nothing to do if the model list is inexistent

+        return;

+    }

+

+    // Create the participants widgets now

+    LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = item->getChildrenBegin();

+    LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = item->getChildrenEnd();

+    while (current_participant_model != end_participant_model)

+    {

+        LLConversationItem* participant_model = dynamic_cast<LLConversationItem*>(*current_participant_model);

+        if (participant_model)

+        {

+            addConversationViewParticipant(participant_model);

+        }

+        current_participant_model++;

+    }

+}

+

+void LLFloaterIMSessionTab::addConversationViewParticipant(LLConversationItem* participant_model, bool update_view)

+{

+    if (!participant_model)

+    {

+        // Nothing to do if the model is inexistent

+        return;

+    }

+

+    // Check if the model already has an associated view

+    LLUUID uuid = participant_model->getUUID();

+    LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,uuid);

+

+    // If not already present, create the participant view and attach it to the root, otherwise, just refresh it

+    if (widget)

+    {

+        if (update_view)

+        {

+            updateConversationViewParticipant(uuid); // overkill?

+        }

+    }

+    else

+    {

+        LLConversationViewParticipant* participant_view = createConversationViewParticipant(participant_model);

+        mConversationsWidgets[uuid] = participant_view;

+        participant_view->addToFolder(mConversationsRoot);

+        participant_view->addToSession(mSessionID);

+        participant_view->setVisible(true);

+    }

+}

+

+void LLFloaterIMSessionTab::removeConversationViewParticipant(const LLUUID& participant_id)

+{

+    LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,participant_id);

+    if (widget)

+    {

+        LLFolderViewModelItem* item_vmi = widget->getViewModelItem();

+        if (item_vmi && item_vmi->getNumRefs() == 1)

+        {

+            // This is the last pointer, remove participant from session

+            // before participant gets deleted on destroyView.

+            //

+            // Floater (widget) and participant's view can simultaneously

+            // co-own the model, in which case view is responsible for

+            // the deletion and floater is free to clear and recreate

+            // the list, yet there are cases where only widget owns

+            // the pointer so it should do the cleanup.

+            // See "add_participant".

+            //

+            // Todo: If it keeps causing issues turn participants

+            // into LLPointers in the session

+            LLParticipantList* session = getParticipantList();

+            if (session)

+            {

+                session->removeChild(item_vmi);

+            }

+        }

+        widget->destroyView();

+    }

+    mConversationsWidgets.erase(participant_id);

+}

+

+void LLFloaterIMSessionTab::updateConversationViewParticipant(const LLUUID& participant_id)

+{

+    LLFolderViewItem* widget = get_ptr_in_map(mConversationsWidgets,participant_id);

+    if (widget && widget->getViewModelItem())

+    {

+        widget->refresh();

+    }

+}

+

+void LLFloaterIMSessionTab::refreshConversation()

+{

+    // Note: We collect participants names to change the session name only in the case of ad-hoc conversations

+    bool is_ad_hoc = (mSession ? mSession->isAdHocSessionType() : false);

+    uuid_vec_t participants_uuids; // uuids vector for building the added participants name string

+    // For P2P chat, we still need to update the session name who may have changed (switch display name for instance)

+    if (mIsP2PChat && mSession)

+    {

+        participants_uuids.push_back(mSession->mOtherParticipantID);

+    }

+

+    conversations_widgets_map::iterator widget_it = mConversationsWidgets.begin();

+    while (widget_it != mConversationsWidgets.end())

+    {

+        // Add the participant to the list except if it's the agent itself (redundant)

+        if (is_ad_hoc && (widget_it->first != gAgentID))

+        {

+            participants_uuids.push_back(widget_it->first);

+        }

+        if (widget_it->second->getViewModelItem())

+        {

+            widget_it->second->refresh();

+            widget_it->second->setVisible(true);

+        }

+        ++widget_it;

+    }

+    if (is_ad_hoc || mIsP2PChat)

+    {

+        // Build the session name and update it

+        std::string session_name;

+        if (participants_uuids.size() != 0)

+        {

+            LLAvatarActions::buildResidentsString(participants_uuids, session_name);

+        }

+        else

+        {

+            session_name = LLIMModel::instance().getName(mSessionID);

+        }

+        updateSessionName(session_name);

+    }

+

+    if (mSessionID.notNull())

+    {

+        LLParticipantList* participant_list = getParticipantList();

+        if (participant_list)

+        {

+            LLFolderViewModelItemCommon::child_list_t::const_iterator current_participant_model = participant_list->getChildrenBegin();

+            LLFolderViewModelItemCommon::child_list_t::const_iterator end_participant_model = participant_list->getChildrenEnd();

+            LLIMSpeakerMgr *speaker_mgr = LLIMModel::getInstance()->getSpeakerManager(mSessionID);

+            while (current_participant_model != end_participant_model)

+            {

+                LLConversationItemParticipant* participant_model = dynamic_cast<LLConversationItemParticipant*>(*current_participant_model);

+                if (speaker_mgr && participant_model)

+                {

+                    LLSpeaker *participant_speaker = speaker_mgr->findSpeaker(participant_model->getUUID());

+                    LLSpeaker *agent_speaker = speaker_mgr->findSpeaker(gAgentID);

+                    if (participant_speaker && agent_speaker)

+                    {

+                        participant_model->setDisplayModeratorRole(agent_speaker->mIsModerator && participant_speaker->mIsModerator);

+                    }

+                }

+                current_participant_model++;

+            }

+        }

+    }

+

+    mConversationViewModel.requestSortAll();

+    if(mConversationsRoot != NULL)

+    {

+        mConversationsRoot->arrangeAll();

+        mConversationsRoot->update();

+    }

+    updateHeaderAndToolbar();

+    refresh();

+}

+

+// Copied from LLFloaterIMContainer::createConversationViewParticipant(). Refactor opportunity!

+LLConversationViewParticipant* LLFloaterIMSessionTab::createConversationViewParticipant(LLConversationItem* item)

+{

+    LLRect panel_rect = mParticipantListPanel->getRect();

+

+    LLConversationViewParticipant::Params params;

+    params.name = item->getDisplayName();

+    params.root = mConversationsRoot;

+    params.listener = item;

+    params.rect = LLRect (0, 24, panel_rect.getWidth(), 0); // *TODO: use conversation_view_participant.xml itemHeight value in lieu of 24

+    params.tool_tip = params.name;

+    params.participant_id = item->getUUID();

+

+    return LLUICtrlFactory::create<LLConversationViewParticipant>(params);

+}

+

+void LLFloaterIMSessionTab::setSortOrder(const LLConversationSort& order)

+{

+    mConversationViewModel.setSorter(order);

+    mConversationsRoot->arrangeAll();

+    refreshConversation();

+}

+

+void LLFloaterIMSessionTab::onIMSessionMenuItemClicked(const LLSD& userdata)

+{

+    std::string item = userdata.asString();

+

+    if (item == "compact_view" || item == "expanded_view")

+    {

+        gSavedSettings.setBOOL("PlainTextChatHistory", item == "compact_view");

+    }

+    else

+    {

+        bool prev_value = gSavedSettings.getBOOL(item);

+        gSavedSettings.setBOOL(item, !prev_value);

+    }

+

+    LLFloaterIMSessionTab::processChatHistoryStyleUpdate();

+}

+

+bool LLFloaterIMSessionTab::onIMCompactExpandedMenuItemCheck(const LLSD& userdata)

+{

+    std::string item = userdata.asString();

+    bool is_plain_text_mode = gSavedSettings.getBOOL("PlainTextChatHistory");

+

+    return is_plain_text_mode? item == "compact_view" : item == "expanded_view";

+}

+

+

+bool LLFloaterIMSessionTab::onIMShowModesMenuItemCheck(const LLSD& userdata)

+{

+    return gSavedSettings.getBOOL(userdata.asString());

+}

+

+// enable/disable states for the "show time" and "show names" items of the show-modes menu

+bool LLFloaterIMSessionTab::onIMShowModesMenuItemEnable(const LLSD& userdata)

+{

+    std::string item = userdata.asString();

+    bool plain_text = gSavedSettings.getBOOL("PlainTextChatHistory");

+    bool is_not_names = (item != "IMShowNamesForP2PConv");

+    return (plain_text && (is_not_names || mIsP2PChat));

+}

+

+void LLFloaterIMSessionTab::hideOrShowTitle()

+{

+    const LLFloater::Params& default_params = LLFloater::getDefaultParams();

+    S32 floater_header_size = default_params.header_height;

+    LLView* floater_contents = getChild<LLView>("contents_view");

+

+    LLRect floater_rect = getLocalRect();

+    S32 top_border_of_contents = floater_rect.mTop - (isTornOff()? floater_header_size : 0);

+    LLRect handle_rect (0, floater_rect.mTop, floater_rect.mRight, top_border_of_contents);

+    LLRect contents_rect (0, top_border_of_contents, floater_rect.mRight, floater_rect.mBottom);

+    mDragHandle->setShape(handle_rect);

+    mDragHandle->setVisible(isTornOff());

+    floater_contents->setShape(contents_rect);

+}

+

+void LLFloaterIMSessionTab::updateSessionName(const std::string& name)

+{

+    mInputEditor->setLabel(LLTrans::getString("IM_to_label") + " " + name);

+}

+

+void LLFloaterIMSessionTab::updateChatIcon(const LLUUID& id)

+{

+    if (mSession)

+    {

+        if (mSession->isP2PSessionType())

+        {

+            LLAvatarIconCtrl* icon = getChild<LLAvatarIconCtrl>(ICN_AVATAR);

+            icon->setVisible(true);

+            icon->setValue(id);

+        }

+        if (mSession->isAdHocSessionType())

+        {

+            LLGroupIconCtrl* icon = getChild<LLGroupIconCtrl>(ICN_GROUP);

+            icon->setVisible(true);

+        }

+        if (mSession->isGroupSessionType())

+        {

+            LLGroupIconCtrl* icon = getChild<LLGroupIconCtrl>(ICN_GROUP);

+            icon->setVisible(true);

+            icon->setValue(id);

+        }

+    }

+    else

+    {

+        if (mIsNearbyChat)

+        {

+            LLIconCtrl* icon = getChild<LLIconCtrl>(ICN_NEARBY);

+            icon->setVisible(true);

+        }

+    }

+

+}

+

+void LLFloaterIMSessionTab::hideAllStandardButtons()

+{

+    for (S32 i = 0; i < BUTTON_COUNT; i++)

+    {

+        if (mButtons[i])

+        {

+            // Hide the standard header buttons in a docked IM floater.

+            mButtons[i]->setVisible(false);

+        }

+    }

+}

+

+void LLFloaterIMSessionTab::updateHeaderAndToolbar()

+{

+    // prevent start conversation before its container

+    LLFloaterIMContainer::getInstance();

+

+    bool is_not_torn_off = !checkIfTornOff();

+    if (is_not_torn_off)

+    {

+        hideAllStandardButtons();

+    }

+

+    hideOrShowTitle();

+

+    // Participant list should be visible only in torn off floaters.

+    bool is_participant_list_visible =

+            !is_not_torn_off

+            && mIsParticipantListExpanded

+            && !mIsP2PChat;

+

+    mParticipantListAndHistoryStack->collapsePanel(mParticipantListPanel, !is_participant_list_visible);

+    mParticipantListPanel->setVisible(is_participant_list_visible);

+

+    // Display collapse image (<<) if the floater is hosted

+    // or if it is torn off but has an open control panel.

+    bool is_expanded = is_not_torn_off || is_participant_list_visible;

+

+    mExpandCollapseBtn->setImageOverlay(getString(is_expanded ? "collapse_icon" : "expand_icon"));

+    mExpandCollapseBtn->setToolTip(

+            is_not_torn_off?

+                getString("expcol_button_not_tearoff_tooltip") :

+                (is_expanded?

+                    getString("expcol_button_tearoff_and_expanded_tooltip") :

+                    getString("expcol_button_tearoff_and_collapsed_tooltip")));

+

+    // toggle floater's drag handle and title visibility

+    if (mDragHandle)

+    {

+        mDragHandle->setTitleVisible(!is_not_torn_off);

+    }

+

+    // The button (>>) should be disabled for torn off P2P conversations.

+    mExpandCollapseBtn->setEnabled(is_not_torn_off || !mIsP2PChat);

+

+    mTearOffBtn->setImageOverlay(getString(is_not_torn_off? "tear_off_icon" : "return_icon"));

+    mTearOffBtn->setToolTip(getString(is_not_torn_off? "tooltip_to_separate_window" : "tooltip_to_main_window"));

+

+

+    mCloseBtn->setVisible(is_not_torn_off && !mIsNearbyChat);

+

+    enableDisableCallBtn();

+}

+

+void LLFloaterIMSessionTab::forceReshape()

+{

+    LLRect floater_rect = getRect();

+    reshape(llmax(floater_rect.getWidth(), this->getMinWidth()),

+            llmax(floater_rect.getHeight(), this->getMinHeight()),

+            true);

+}

+

+

+void LLFloaterIMSessionTab::reshapeChatLayoutPanel()

+{

+    mChatLayoutPanel->reshape(mChatLayoutPanel->getRect().getWidth(), mInputEditor->getRect().getHeight() + mInputEditorPad, false);

+}

+

+// static

+void LLFloaterIMSessionTab::processChatHistoryStyleUpdate(bool clean_messages/* = false*/)

+{

+    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->reloadMessages(clean_messages);

+        }

+    }

+

+    LLFloaterIMNearbyChat* nearby_chat = LLFloaterReg::findTypedInstance<LLFloaterIMNearbyChat>("nearby_chat");

+    if (nearby_chat)

+    {

+             nearby_chat->reloadMessages(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)

+{

+    mVoiceButton->setImageOverlay(callIsActive? getString("call_btn_stop") : getString("call_btn_start"));

+    mVoiceButton->setToolTip(callIsActive? getString("end_call_button_tooltip") : getString("start_call_button_tooltip"));

+

+    enableDisableCallBtn();

+}

+

+void LLFloaterIMSessionTab::onSlide(LLFloaterIMSessionTab* self)

+{

+    LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(self->getHost());

+    bool should_be_expanded = false;

+    if (host_floater)

+    {

+        // Hide the messages pane if a floater is hosted in the Conversations

+        host_floater->collapseMessagesPane(true);

+    }

+    else ///< floater is torn off

+    {

+        if (!self->mIsP2PChat)

+        {

+            // The state must toggle the collapsed state of the panel

+            should_be_expanded = self->mParticipantListPanel->isCollapsed();

+

+            // Update the expand/collapse flag of the participant list panel and save it

+            gSavedSettings.setBOOL("IMShowControlPanel", should_be_expanded);

+            self->mIsParticipantListExpanded = should_be_expanded;

+

+            // Refresh for immediate feedback

+            self->refreshConversation();

+        }

+    }

+

+    self->assignResizeLimits();

+    if (should_be_expanded)

+    {

+        self->forceReshape();

+    }

+}

+

+void LLFloaterIMSessionTab::onCollapseToLine(LLFloaterIMSessionTab* self)

+{

+    LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(self->getHost());

+    if (!host_floater)

+    {

+        bool expand = self->isMessagePaneExpanded();

+        self->mExpandCollapseLineBtn->setImageOverlay(self->getString(expand ? "collapseline_icon" : "expandline_icon"));

+        self->mContentPanel->setVisible(!expand);

+        self->mToolbarPanel->setVisible(!expand);

+        self->mInputEditor->enableSingleLineMode(expand);

+        self->reshapeFloater(expand);

+        self->setMessagePaneExpanded(!expand);

+    }

+}

+

+void LLFloaterIMSessionTab::reshapeFloater(bool collapse)

+{

+    LLRect floater_rect = getRect();

+

+    if(collapse)

+    {

+        mFloaterHeight = floater_rect.getHeight();

+        S32 height = mContentPanel->getRect().getHeight() + mToolbarPanel->getRect().getHeight()

+            + mChatLayoutPanel->getRect().getHeight() - mChatLayoutPanelHeight + 2;

+        floater_rect.mTop -= height;

+

+        setResizeLimits(getMinWidth(), floater_rect.getHeight());

+    }

+    else

+    {

+        floater_rect.mTop = floater_rect.mBottom + mFloaterHeight;

+        setResizeLimits(getMinWidth(), mMinFloaterHeight);

+    }

+

+    enableResizeCtrls(true, true, !collapse);

+

+    saveCollapsedState();

+    setShape(floater_rect, true);

+    mBodyStack->updateLayout();

+}

+

+void LLFloaterIMSessionTab::restoreFloater()

+{

+    if(!isMessagePaneExpanded())

+    {

+        if(isMinimized())

+        {

+            setMinimized(false);

+        }

+        mContentPanel->setVisible(true);

+        mToolbarPanel->setVisible(true);

+        LLRect floater_rect = getRect();

+        floater_rect.mTop = floater_rect.mBottom + mFloaterHeight;

+        setShape(floater_rect, true);

+        mBodyStack->updateLayout();

+        mExpandCollapseLineBtn->setImageOverlay(getString("expandline_icon"));

+        setResizeLimits(getMinWidth(), mMinFloaterHeight);

+        setMessagePaneExpanded(true);

+        saveCollapsedState();

+        mInputEditor->enableSingleLineMode(false);

+        enableResizeCtrls(true, true, true);

+    }

+}

+

+/*virtual*/

+void LLFloaterIMSessionTab::onOpen(const LLSD& key)

+{

+    if (!checkIfTornOff())

+    {

+        LLFloaterIMContainer* host_floater = dynamic_cast<LLFloaterIMContainer*>(getHost());

+        // Show the messages pane when opening a floater hosted in the Conversations

+        host_floater->collapseMessagesPane(false);

+    }

+

+    mInputButtonPanel->setVisible(isTornOff());

+

+    setFocus(true);

+}

+

+

+void LLFloaterIMSessionTab::onTearOffClicked()

+{

+    restoreFloater();

+    setFollows(isTornOff()? FOLLOWS_ALL : FOLLOWS_NONE);

+    mSaveRect = isTornOff();

+    initRectControl();

+    LLFloater::onClickTearOff(this);

+    LLFloaterIMContainer* container = LLFloaterReg::findTypedInstance<LLFloaterIMContainer>("im_container");

+

+    if (isTornOff())

+    {

+        container->selectAdjacentConversation(false);

+        forceReshape();

+    }

+    //Upon re-docking the torn off floater, select the corresponding conversation line item

+    else

+    {

+        container->selectConversation(mSessionID);

+

+    }

+    mInputButtonPanel->setVisible(isTornOff());

+

+    refreshConversation();

+    updateGearBtn();

+}

+

+void LLFloaterIMSessionTab::updateGearBtn()

+{

+    bool prevVisibility = mGearBtn->getVisible();

+    mGearBtn->setVisible(checkIfTornOff() && mIsP2PChat);

+

+

+    // Move buttons if Gear button changed visibility

+    if(prevVisibility != mGearBtn->getVisible())

+    {

+        LLRect gear_btn_rect =  mGearBtn->getRect();

+        LLRect add_btn_rect = mAddBtn->getRect();

+        LLRect call_btn_rect = mVoiceButton->getRect();

+        S32 gap_width = call_btn_rect.mLeft - add_btn_rect.mRight;

+        S32 right_shift = gear_btn_rect.getWidth() + gap_width;

+        if(mGearBtn->getVisible())

+        {

+            // Move buttons to the right to give space for Gear button

+            add_btn_rect.translate(right_shift,0);

+            call_btn_rect.translate(right_shift,0);

+        }

+        else

+        {

+            add_btn_rect.translate(-right_shift,0);

+            call_btn_rect.translate(-right_shift,0);

+        }

+        mAddBtn->setRect(add_btn_rect);

+        mVoiceButton->setRect(call_btn_rect);

+    }

+}

+

+void LLFloaterIMSessionTab::initBtns()

+{

+    LLRect gear_btn_rect =  mGearBtn->getRect();

+    LLRect add_btn_rect = mAddBtn->getRect();

+    LLRect call_btn_rect = mVoiceButton->getRect();

+    S32 gap_width = call_btn_rect.mLeft - add_btn_rect.mRight;

+    S32 right_shift = gear_btn_rect.getWidth() + gap_width;

+

+    add_btn_rect.translate(-right_shift,0);

+    call_btn_rect.translate(-right_shift,0);

+

+    mAddBtn->setRect(add_btn_rect);

+    mVoiceButton->setRect(call_btn_rect);

+}

+

+// static

+bool LLFloaterIMSessionTab::isChatMultiTab()

+{

+    // Restart is required in order to change chat window type.

+    return true;

+}

+

+bool LLFloaterIMSessionTab::checkIfTornOff()

+{

+    bool isTorn = !getHost();

+

+    if (isTorn != isTornOff())

+    {

+        setTornOff(isTorn);

+        refreshConversation();

+    }

+

+    return isTorn;

+}

+

+void LLFloaterIMSessionTab::doToSelected(const LLSD& userdata)

+{

+    // Get the list of selected items in the tab

+    std::string command = userdata.asString();

+    uuid_vec_t selected_uuids;

+    getSelectedUUIDs(selected_uuids);

+

+    // Perform the command (IM, profile, etc...) on the list using the general conversation container method

+    LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();

+    // Note: By construction, those can only be participants so we can call doToParticipants() directly

+    floater_container->doToParticipants(command, selected_uuids);

+}

+

+bool LLFloaterIMSessionTab::enableContextMenuItem(const LLSD& userdata)

+{

+    // Get the list of selected items in the tab

+    std::string command = userdata.asString();

+    uuid_vec_t selected_uuids;

+    getSelectedUUIDs(selected_uuids);

+

+    // Perform the item enable test on the list using the general conversation container method

+    LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();

+    return floater_container->enableContextMenuItem(command, selected_uuids);

+}

+

+bool LLFloaterIMSessionTab::checkContextMenuItem(const LLSD& userdata)

+{

+    // Get the list of selected items in the tab

+    std::string command = userdata.asString();

+    uuid_vec_t selected_uuids;

+    getSelectedUUIDs(selected_uuids);

+

+    // Perform the item check on the list using the general conversation container method

+    LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();

+    return floater_container->checkContextMenuItem(command, selected_uuids);

+}

+

+void LLFloaterIMSessionTab::getSelectedUUIDs(uuid_vec_t& selected_uuids)

+{

+    const std::set<LLFolderViewItem*> selected_items = mConversationsRoot->getSelectionList();

+

+    std::set<LLFolderViewItem*>::const_iterator it = selected_items.begin();

+    const std::set<LLFolderViewItem*>::const_iterator it_end = selected_items.end();

+

+    for (; it != it_end; ++it)

+    {

+        LLConversationItem* conversation_item = static_cast<LLConversationItem *>((*it)->getViewModelItem());

+        if (conversation_item)

+        {

+            selected_uuids.push_back(conversation_item->getUUID());

+        }

+    }

+}

+

+LLConversationItem* LLFloaterIMSessionTab::getCurSelectedViewModelItem()

+{

+    LLConversationItem *conversationItem = NULL;

+

+    if(mConversationsRoot &&

+        mConversationsRoot->getCurSelectedItem() &&

+        mConversationsRoot->getCurSelectedItem()->getViewModelItem())

+    {

+        conversationItem = static_cast<LLConversationItem *>(mConversationsRoot->getCurSelectedItem()->getViewModelItem()) ;

+    }

+

+    return conversationItem;

+}

+

+void LLFloaterIMSessionTab::saveCollapsedState()

+{

+    LLFloaterIMSessionTab* conversp = LLFloaterIMSessionTab::getConversation(mSessionID);

+    if(conversp->isNearbyChat())

+    {

+        gSavedPerAccountSettings.setBOOL("NearbyChatIsNotCollapsed", isMessagePaneExpanded());

+    }

+}

+

+LLView* LLFloaterIMSessionTab::getChatHistory()

+{

+    return mChatHistory;

+}

+

+bool LLFloaterIMSessionTab::handleKeyHere(KEY key, MASK mask )

+{

+    bool handled = false;

+

+    if(mask == MASK_ALT)

+    {

+        LLFloaterIMContainer* floater_container = LLFloaterIMContainer::getInstance();

+        if (KEY_RETURN == key && !isTornOff())

+        {

+            floater_container->expandConversation();

+            handled = true;

+        }

+        if ((KEY_UP == key) || (KEY_LEFT == key))

+        {

+            floater_container->selectNextorPreviousConversation(false);

+            handled = true;

+        }

+        if ((KEY_DOWN == key ) || (KEY_RIGHT == key))

+        {

+            floater_container->selectNextorPreviousConversation(true);

+            handled = true;

+        }

+    }

+    return handled;

+}