eol fixes

1 files changed, 1850 insertions, 1850 deletions

diff --git a/indra/newview/llbottomtray.cpp b/indra/newview/llbottomtray.cpp
index 0c0df14ac1..1fb83fe567 100644
--- a/indra/newview/llbottomtray.cpp
+++ b/indra/newview/llbottomtray.cpp
@@ -1,1850 +1,1850 @@
-/** 

- * @file llbottomtray.cpp

- * @brief LLBottomTray class implementation

- *

- * $LicenseInfo:firstyear=2009&license=viewerlgpl$

- * Second Life Viewer Source Code

- * Copyright (C) 2010, Linden Research, Inc.

- * 

- * This library is free software; you can redistribute it and/or

- * modify it under the terms of the GNU Lesser General Public

- * License as published by the Free Software Foundation;

- * version 2.1 of the License only.

- * 

- * This library is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

- * Lesser General Public License for more details.

- * 

- * You should have received a copy of the GNU Lesser General Public

- * License along with this library; if not, write to the Free Software

- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

- * 

- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA

- * $/LicenseInfo$

- */

-

-#include "llviewerprecompiledheaders.h" // must be first include

-

-#define LLBOTTOMTRAY_CPP

-#include "llbottomtray.h"

-

-// library includes

-#include "llfloaterreg.h"

-#include "llflyoutbutton.h"

-#include "lllayoutstack.h"

-#include "llnotifications.h"

-#include "llnotificationsutil.h"

-#include "lltexteditor.h"

-

-// newview includes

-#include "llagent.h"

-#include "llagentcamera.h"

-#include "llavataractions.h"

-#include "llchiclet.h"

-#include "llfloatercamera.h"

-#include "llhints.h"

-#include "llimfloater.h" // for LLIMFloater

-#include "llnearbychatbar.h"

-#include "llsidetray.h"

-#include "llspeakbutton.h"

-#include "llsplitbutton.h"

-#include "llsyswellwindow.h"

-#include "lltoolmgr.h"

-#include "llviewerparcelmgr.h"

-

-#include "llviewerwindow.h"

-#include "llsdserialize.h"

-

-// Distance from mouse down on which drag'n'drop should be started.

-#define DRAG_START_DISTANCE 3

-

-static const std::string SORTING_DATA_FILE_NAME = "bottomtray_buttons_order.xml";

-

-LLDefaultChildRegistry::Register<LLBottomtrayButton> bottomtray_button("bottomtray_button");

-

-// LLBottomtrayButton methods

-

-// virtual

-BOOL LLBottomtrayButton::handleHover(S32 x, S32 y, MASK mask)

-{

-	if (mCanDrag)

-	{

-		// pass hover to bottomtray

-		S32 screenX, screenY;

-		localPointToScreen(x, y, &screenX, &screenY);

-		LLBottomTray::getInstance()->onDraggableButtonHover(screenX, screenY);

-

-		return TRUE;

-	}

-	else

-	{

-		return LLButton::handleHover(x, y, mask);

-	}

-}

-//virtual

-BOOL LLBottomtrayButton::handleMouseUp(S32 x, S32 y, MASK mask)

-{

-	if (mCanDrag)

-	{

-	S32 screenX, screenY;

-	localPointToScreen(x, y, &screenX, &screenY);

-	// pass mouse up to bottomtray

-	LLBottomTray::getInstance()->onDraggableButtonMouseUp(this, screenX, screenY);

-	}

-	return LLButton::handleMouseUp(x, y, mask);

-}

-//virtual

-BOOL LLBottomtrayButton::handleMouseDown(S32 x, S32 y, MASK mask)

-{

-	if (mCanDrag)

-	{

-	S32 screenX, screenY;

-	localPointToScreen(x, y, &screenX, &screenY);

-	// pass mouse up to bottomtray

-	LLBottomTray::getInstance()->onDraggableButtonMouseDown(this, screenX, screenY);

-	}

-	return LLButton::handleMouseDown(x, y, mask);

-}

-

-static void update_build_button_enable_state()

-{

-	bool can_edit = LLToolMgr::getInstance()->canEdit();

-

-	LLBottomTray::getInstance()->getChildView("build_btn")->setEnabled(can_edit);

-}

-

-// Build time optimization, generate extern template once in .cpp file

-template class LLBottomTray* LLSingleton<class LLBottomTray>::getInstance();

-

-namespace

-{

-	const std::string& PANEL_CHICLET_NAME	= "chiclet_list_panel";

-

-	S32 get_panel_min_width(LLLayoutStack* stack, LLView* panel)

-	{

-		S32 minimal_width = 0;

-		llassert(stack);

-		if ( stack && panel && panel->getVisible() )

-		{

-			stack->getPanelMinSize(panel->getName(), &minimal_width);

-		}

-		return minimal_width;

-	}

-

-	S32 get_panel_max_width(LLLayoutStack* stack, LLPanel* panel)

-	{

-		S32 max_width = 0;

-		llassert(stack);

-		if ( stack && panel && panel->getVisible() )

-		{

-			stack->getPanelMaxSize(panel->getName(), &max_width);

-		}

-		return max_width;

-	}

-

-	S32 get_curr_width(LLUICtrl* ctrl)

-	{

-		S32 cur_width = 0;

-		if ( ctrl && ctrl->getVisible() )

-		{

-			cur_width = ctrl->getRect().getWidth();

-		}

-		return cur_width;

-	}

-}

-

-class LLBottomTrayLite

-	: public LLPanel

-{

-public:

-	LLBottomTrayLite()

-		: mNearbyChatBar(NULL),

-		mChatBarContainer(NULL),

-		  mGesturePanel(NULL)

-	{

-		mFactoryMap["chat_bar"] = LLCallbackMap(LLBottomTray::createNearbyChatBar, NULL);

-		buildFromFile("panel_bottomtray_lite.xml");

-	}

-

-	BOOL postBuild()

-	{

-		mNearbyChatBar = findChild<LLNearbyChatBar>("chat_bar");

-		mChatBarContainer = getChild<LLLayoutPanel>("chat_bar_layout_panel");

-		mGesturePanel = getChild<LLPanel>("gesture_panel");

-

-		// Hide "show_nearby_chat" button 

-		if (mNearbyChatBar)

-		{

-			LLLineEditor* chat_box = mNearbyChatBar->getChatBox();

-			LLUICtrl* show_btn = mNearbyChatBar->getChild<LLUICtrl>("show_nearby_chat");

-			S32 delta_width = show_btn->getRect().getWidth();

-			show_btn->setVisible(FALSE);

-			chat_box->reshape(chat_box->getRect().getWidth() + delta_width, chat_box->getRect().getHeight());

-		}

-		return TRUE;

-	}

-

-	void onFocusLost()

-	{

-		if (gAgentCamera.cameraMouselook())

-		{

-			LLBottomTray::getInstance()->setVisible(FALSE);

-		}

-	}

-

-	LLNearbyChatBar*	mNearbyChatBar;

-	LLLayoutPanel*		mChatBarContainer;

-	LLPanel*			mGesturePanel;

-};

-

-LLBottomTray::LLBottomTray(const LLSD&)

-:	mChicletPanel(NULL),

-	mSpeakPanel(NULL),

-	mSpeakBtn(NULL),

-	mNearbyChatBar(NULL),

-	mChatBarContainer(NULL),

-	mNearbyCharResizeHandlePanel(NULL),

-	mToolbarStack(NULL),

-	mMovementButton(NULL),

-	mResizeState(RS_NORESIZE),

-	mBottomTrayContextMenu(NULL),

-	mCamButton(NULL),

-	mBottomTrayLite(NULL),

-	mIsInLiteMode(false),

-	mDragStarted(false),

-	mDraggedItem(NULL),

-	mLandingTab(NULL),

-	mCheckForDrag(false)

-{

-	// Firstly add ourself to IMSession observers, so we catch session events

-	// before chiclets do that.

-	LLIMMgr::getInstance()->addSessionObserver(this);

-

-	mFactoryMap["chat_bar"] = LLCallbackMap(LLBottomTray::createNearbyChatBar, NULL);

-

-	buildFromFile("panel_bottomtray.xml");

-

-	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("CameraPresets.ChangeView", boost::bind(&LLFloaterCamera::onClickCameraItem, _2));

-

-	//this is to fix a crash that occurs because LLBottomTray is a singleton

-	//and thus is deleted at the end of the viewers lifetime, but to be cleanly

-	//destroyed LLBottomTray requires some subsystems that are long gone

-	//LLUI::getRootView()->addChild(this);

-

-	{

-		mBottomTrayLite = new LLBottomTrayLite();

-		mBottomTrayLite->setFollowsAll();

-		mBottomTrayLite->setVisible(FALSE);

-	}

-

-	mImageDragIndication = LLUI::getUIImage(getString("DragIndicationImageName"));

-	mDesiredNearbyChatWidth = mNearbyChatBar ? mNearbyChatBar->getRect().getWidth() : 0;

-}

-

-LLBottomTray::~LLBottomTray()

-{

-	if (!LLSingleton<LLIMMgr>::destroyed())

-	{

-		LLIMMgr::getInstance()->removeSessionObserver(this);

-	}

-

-	if (mNearbyChatBar)

-	{

-		// store custom width of chatbar panel.

-		S32 custom_width = mChatBarContainer->getRect().getWidth();

-		gSavedSettings.setS32("ChatBarCustomWidth", custom_width);

-	}

-

-	// emulate previous floater behavior to be hidden on startup.

-	// override effect of save_visibility=true.

-	// this attribute is necessary to button.initial_callback=Button.SetFloaterToggle works properly:

-	//		i.g when floater changes its visibility - button changes its toggle state.

-	getChild<LLUICtrl>("build_btn")->setControlValue(false);

-	getChild<LLUICtrl>("search_btn")->setControlValue(false);

-	getChild<LLUICtrl>("world_map_btn")->setControlValue(false);

-}

-

-// *TODO Vadim: why void* ?

-void* LLBottomTray::createNearbyChatBar(void* userdata)

-{

-	return new LLNearbyChatBar();

-}

-

-LLNearbyChatBar* LLBottomTray::getNearbyChatBar()

-{

-	return mIsInLiteMode ? mBottomTrayLite->mNearbyChatBar : mNearbyChatBar;

-}

-

-LLIMChiclet* LLBottomTray::createIMChiclet(const LLUUID& session_id)

-{

-	LLIMChiclet::EType im_chiclet_type = LLIMChiclet::getIMSessionType(session_id);

-

-	switch (im_chiclet_type)

-	{

-	case LLIMChiclet::TYPE_IM:

-		return getChicletPanel()->createChiclet<LLIMP2PChiclet>(session_id);

-	case LLIMChiclet::TYPE_GROUP:

-		return getChicletPanel()->createChiclet<LLIMGroupChiclet>(session_id);

-	case LLIMChiclet::TYPE_AD_HOC:

-		return getChicletPanel()->createChiclet<LLAdHocChiclet>(session_id);

-	case LLIMChiclet::TYPE_UNKNOWN:

-		break;

-	}

-

-	return NULL;

-}

-

-//virtual

-void LLBottomTray::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id)

-{

-	if (!getChicletPanel()) return;

-

-	LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(session_id);

-	if (!session) return;

-

-	// no need to spawn chiclets for participants in P2P calls called through Avaline

-	if (session->isP2P() && session->isOtherParticipantAvaline()) return;

-

-	if (getChicletPanel()->findChiclet<LLChiclet>(session_id)) return;

-

-	LLIMChiclet* chiclet = createIMChiclet(session_id);

-	if(chiclet)

-	{

-		chiclet->setIMSessionName(name);

-		chiclet->setOtherParticipantId(other_participant_id);

-		

-		LLIMFloater::onIMChicletCreated(session_id);

-

-	}

-	else

-	{

-		llerrs << "Could not create chiclet" << llendl;

-	}

-}

-

-//virtual

-void LLBottomTray::sessionRemoved(const LLUUID& session_id)

-{

-	if(getChicletPanel())

-	{

-		// IM floater should be closed when session removed and associated chiclet closed

-		LLIMFloater* iMfloater = LLFloaterReg::findTypedInstance<LLIMFloater>(

-				"impanel", session_id);

-		if (iMfloater != NULL)

-		{

-			iMfloater->closeFloater();

-		}

-

-		getChicletPanel()->removeChiclet(session_id);

-	}

-}

-

-void LLBottomTray::sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id)

-{

-	//this is only needed in case of outgoing ad-hoc/group chat sessions

-	LLChicletPanel* chiclet_panel = getChicletPanel();

-	if (chiclet_panel)

-	{

-		//it should be ad-hoc im chiclet or group im chiclet

-		LLChiclet* chiclet = chiclet_panel->findChiclet<LLChiclet>(old_session_id);

-		if (chiclet) chiclet->setSessionId(new_session_id);

-	}

-}

-

-S32 LLBottomTray::getTotalUnreadIMCount()

-{

-	return getChicletPanel()->getTotalUnreadIMCount();

-}

-

-// virtual

-void LLBottomTray::onChange(EStatusType status, const std::string &channelURI, bool proximal)

-{

-	// Time it takes to connect to voice channel might be pretty long,

-	// so don't expect user login or STATUS_VOICE_ENABLED to be followed by STATUS_JOINED.

-	BOOL enable = FALSE;

-

-	switch (status)

-	{

-	// Do not add STATUS_VOICE_ENABLED because voice chat is 

-	// inactive until STATUS_JOINED

-	case STATUS_JOINED:

-		enable = TRUE;

-		break;

-	default:

-		enable = FALSE;

-		break;

-	}

-

-	// We have to enable/disable right and left parts of speak button separately (EXT-4648)

-	mSpeakBtn->setSpeakBtnEnabled(enable);

-	// skipped to avoid button blinking

-	if (status != STATUS_JOINING && status!= STATUS_LEFT_CHANNEL)

-	{

-		mSpeakBtn->setFlyoutBtnEnabled(LLVoiceClient::getInstance()->voiceEnabled() && LLVoiceClient::getInstance()->isVoiceWorking());

-	}

-}

-

-void LLBottomTray::onMouselookModeOut()

-{

-	mIsInLiteMode = false;

-	mBottomTrayLite->setVisible(FALSE);

-	mNearbyChatBar->getChatBox()->setText(mBottomTrayLite->mNearbyChatBar->getChatBox()->getText());

-	setVisible(TRUE);

-}

-

-void LLBottomTray::onMouselookModeIn()

-{

-	setVisible(FALSE);

-

-	// Attach the lite bottom tray

-	if (getParent() && mBottomTrayLite->getParent() != getParent())

-		getParent()->addChild(mBottomTrayLite);

-

-	mBottomTrayLite->setShape(getLocalRect());

-	mBottomTrayLite->mNearbyChatBar->getChatBox()->setText(mNearbyChatBar->getChatBox()->getText());

-	mBottomTrayLite->mGesturePanel->setVisible(gSavedSettings.getBOOL("ShowGestureButton"));

-

-	mIsInLiteMode = true;

-}

-

-//virtual

-// setVisible used instead of onVisibilityChange, since LLAgent calls it on entering/leaving mouselook mode.

-// If bottom tray is already visible in mouselook mode, then onVisibilityChange will not be called from setVisible(true),

-void LLBottomTray::setVisible(BOOL visible)

-{

-	if (mIsInLiteMode)

-	{

-		mBottomTrayLite->setVisible(visible);

-	}

-	else 

-	{

-		LLPanel::setVisible(visible);

-	}

-}

-

-S32 LLBottomTray::notifyParent(const LLSD& info)

-{

-	if(info.has("well_empty")) // implementation of EXT-3397

-	{

-		const std::string chiclet_name = info["well_name"];

-

-		// only "im_well" or "notification_well" names are expected.

-		// They are set in panel_bottomtray.xml in <chiclet_im_well> & <chiclet_notification>

-		llassert("im_well" == chiclet_name || "notification_well" == chiclet_name);

-

-		BOOL should_be_visible = !info["well_empty"];

-		showWellButton("im_well" == chiclet_name ? RS_IM_WELL : RS_NOTIFICATION_WELL, should_be_visible);

-		return 1;

-	}

-

-	if (info.has("action") && info["action"] == "resize")

-	{

-		const std::string& name = info["view_name"];

-

-		// expected only resize of nearby chatbar

-		if (mChatBarContainer->getName() != name) return LLPanel::notifyParent(info);

-

-		const S32 new_width = info["new_width"];

-

-		processChatbarCustomization(new_width);

-

-		return 2;

-	}

-	return LLPanel::notifyParent(info);

-}

-

-void LLBottomTray::showBottomTrayContextMenu(S32 x, S32 y, MASK mask)

-{

-	// We should show BottomTrayContextMenu in last  turn

-	if (mBottomTrayContextMenu && !LLMenuGL::sMenuContainer->getVisibleMenu())

-	{

-		    //there are no other context menu (IM chiclet etc ), so we can show BottomTrayContextMenu

-

-		    updateContextMenu(x, y, mask);

-			mBottomTrayContextMenu->buildDrawLabels();

-			mBottomTrayContextMenu->updateParent(LLMenuGL::sMenuContainer);

-			LLMenuGL::showPopup(this, mBottomTrayContextMenu, x, y);

-		

-	}

-}

-

-void LLBottomTray::updateContextMenu(S32 x, S32 y, MASK mask)

-{

-	LLUICtrl* edit_box = mNearbyChatBar->getChild<LLUICtrl>("chat_box");

-

-	S32 local_x = x - mChatBarContainer->getRect().mLeft - edit_box->getRect().mLeft;

-	S32 local_y = y - mChatBarContainer->getRect().mBottom - edit_box->getRect().mBottom;

-

-	bool in_edit_box = edit_box->pointInView(local_x, local_y);

-

-	mBottomTrayContextMenu->setItemVisible("Separator", in_edit_box);

-	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Cut", in_edit_box);

-	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Copy", in_edit_box);

-	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Paste", in_edit_box);

-	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Delete", in_edit_box);

-	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Select_All", in_edit_box);

-}

-

-void LLBottomTray::showGestureButton(BOOL visible)

-{

-	setTrayButtonVisibleIfPossible(RS_BUTTON_GESTURES, visible);

-}

-

-void LLBottomTray::showMoveButton(BOOL visible)

-{

-	setTrayButtonVisibleIfPossible(RS_BUTTON_MOVEMENT, visible);

-}

-

-void LLBottomTray::showCameraButton(BOOL visible)

-{

-	setTrayButtonVisibleIfPossible(RS_BUTTON_CAMERA, visible);

-}

-

-void LLBottomTray::showSnapshotButton(BOOL visible)

-{

-	setTrayButtonVisibleIfPossible(RS_BUTTON_SNAPSHOT, visible);

-}

-

-void LLBottomTray::showSpeakButton(bool visible)

-{

-	// Show/hide the button

-	setTrayButtonVisible(RS_BUTTON_SPEAK, visible);

-

-	// and adjust other panels according to the occupied/freed space.

-	const S32 panel_width = mSpeakPanel->getRect().getWidth();

-	if (visible)

-	{

-		processWidthDecreased(-panel_width);

-	}

-	else

-	{

-		processWidthIncreased(panel_width);

-	}

-}

-

-void LLBottomTray::toggleMovementControls()

-{

-	if (mMovementButton)

-		mMovementButton->onCommit();

-}

-

-void LLBottomTray::toggleCameraControls()

-{

-	if (mCamButton)

-		mCamButton->onCommit();

-}

-

-BOOL LLBottomTray::postBuild()

-{

-	LLHints::registerHintTarget("bottom_tray", LLView::getHandle());

-	LLHints::registerHintTarget("dest_guide_btn", getChild<LLUICtrl>("destination_btn")->getHandle());

-	LLHints::registerHintTarget("avatar_picker_btn", getChild<LLUICtrl>("avatar_btn")->getHandle());

-

-	LLUICtrl::CommitCallbackRegistry::currentRegistrar().add("NearbyChatBar.Action", boost::bind(&LLBottomTray::onContextMenuItemClicked, this, _2));

-	LLUICtrl::EnableCallbackRegistry::currentRegistrar().add("NearbyChatBar.EnableMenuItem", boost::bind(&LLBottomTray::onContextMenuItemEnabled, this, _2));

-

-	mBottomTrayContextMenu =  LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_bottomtray.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());

-	gMenuHolder->addChild(mBottomTrayContextMenu);

-

-	mNearbyChatBar = findChild<LLNearbyChatBar>("chat_bar");

-	LLHints::registerHintTarget("chat_bar", mNearbyChatBar->LLView::getHandle());

-

-	mChatBarContainer = getChild<LLLayoutPanel>("chat_bar_layout_panel");

-	mNearbyCharResizeHandlePanel = getChild<LLPanel>("chat_bar_resize_handle_panel");

-

-	mToolbarStack = getChild<LLLayoutStack>("toolbar_stack");

-	mMovementButton = getChild<LLButton>("movement_btn");

-	LLHints::registerHintTarget("move_btn", mMovementButton->getHandle());

-	mCamButton = getChild<LLButton>("camera_btn");

-	setRightMouseDownCallback(boost::bind(&LLBottomTray::showBottomTrayContextMenu,this, _2, _3,_4));

-

-	mSpeakPanel = getChild<LLPanel>("speak_panel");

-	mSpeakBtn = getChild<LLSpeakButton>("talk");

-

-	// Both parts of speak button should be initially disabled because

-	// it takes some time between logging in to world and connecting to voice channel.

-	mSpeakBtn->setSpeakBtnEnabled(false);

-	mSpeakBtn->setFlyoutBtnEnabled(false);

-

-	// Localization tool doesn't understand custom buttons like <talk_button>

-	mSpeakBtn->setSpeakToolTip( getString("SpeakBtnToolTip") );

-	mSpeakBtn->setShowToolTip( getString("VoiceControlBtnToolTip") );

-

-	// Registering Chat Bar to receive Voice client status change notifications.

-	LLVoiceClient::getInstance()->addObserver(this);

-

-	mNearbyChatBar->getChatBox()->setContextMenu(NULL);

-

-	mChicletPanel = getChild<LLChicletPanel>("chiclet_list");

-

-	initResizeStateContainers();

-

-	setButtonsControlsAndListeners();

-

-	initButtonsVisibility();

-

-	// update wells visibility:

-	showWellButton(RS_IM_WELL, !LLIMWellWindow::getInstance()->isWindowEmpty());

-	showWellButton(RS_NOTIFICATION_WELL, !LLNotificationWellWindow::getInstance()->isWindowEmpty());

-

-	loadButtonsOrder();

-

-	LLViewerParcelMgr::getInstance()->addAgentParcelChangedCallback(boost::bind(&update_build_button_enable_state));

-

-	return TRUE;

-}

-

-//Drag-n-drop

-

-void LLBottomTray::onDraggableButtonMouseDown(LLUICtrl* ctrl, S32 x, S32 y)

-{

-	if (ctrl == NULL) return;

-	LLView* parent_view = ctrl->getParent();

-	if(parent_view != NULL)

-	{

-		// we actually drag'n'drop panel (not button) in code, so have to find a parent

-		// of button which called this method on mouse down.

-		LLPanel* parent = dynamic_cast<LLPanel*>(parent_view);

-		// It may happen that we clicked not usual button, but button inside widget(speak, gesture)

-		// so we'll need to get a level higher to reach layout panel as a parent.

-		if(parent == NULL) parent = dynamic_cast<LLPanel*>(parent_view->getParent());

-		if (parent && parent->getVisible())

-		{

-			mDraggedItem = parent;

-			mCheckForDrag = true;

-			mStartX = x;

-			mStartY = y;

-		}

-	}

-}

-

-LLPanel* LLBottomTray::findChildPanelByLocalCoords(S32 x, S32 y)

-{

-	LLPanel* ctrl = 0;

-	S32 screenX, screenY;

-	const child_list_t* list = mToolbarStack->getChildList();

-

-	localPointToScreen(x, y, &screenX, &screenY);

-

-	// look for a child panel which contains the point (screenX, screenY) in it's rectangle

-	for (child_list_const_iter_t i = list->begin(); i != list->end(); ++i)

-	{

-		LLRect rect;

-		localRectToScreen((*i)->getRect(), &rect);

-

-		if (rect.pointInRect(screenX, screenY))

-		{

-			ctrl = dynamic_cast<LLPanel*>(*i);

-			break;

-		}

-	}

-

-	return ctrl;

-}

-

-void LLBottomTray::onDraggableButtonHover(S32 x, S32 y)

-{

-	// if mouse down on draggable item was done, check whether we should start DnD

-	if (mCheckForDrag)

-	{

-		// Start drag'n'drop if mouse cursor was dragged away frome mouse down location enough

-		if(sqrt((float)((mStartX-x)*(mStartX-x)+(mStartY-y)*(mStartY-y))) > DRAG_START_DISTANCE)

-		{

-			mDragStarted = true;

-			mCheckForDrag = false;

-		}

-	}

-	if (mDragStarted)

-	{

-		// Check whether the cursor is over draggable area, find which panel it is and set is as

-		// landing tab for drag'n'drop

-		if(isCursorOverDraggableArea(x, y))

-		{

-			LLPanel* panel = findChildPanelByLocalCoords(x,y);

-			if (panel && panel != mDraggedItem) mLandingTab = panel;

-			gViewerWindow->getWindow()->setCursor(UI_CURSOR_ARROWDRAG);

-		}

-		else

-		{

-			gViewerWindow->getWindow()->setCursor(UI_CURSOR_NO);

-		}

-	}

-	else

-	{

-		// Reset cursor in case you move your mouse from the drag handle to a button.

-		getWindow()->setCursor(UI_CURSOR_ARROW);

-

-	}

-}

-

-bool LLBottomTray::isCursorOverDraggableArea(S32 x, S32 y)

-{

-	// Draggable area lasts from the nearby chat input resize handle

-	// to the chiclet area (exlusively).

-	bool result = getRect().pointInRect(x, y);

-	result = result && mNearbyCharResizeHandlePanel->calcScreenRect().mRight < x;

-	result = result && mChicletPanel->calcScreenRect().mRight > x;

-	return result;

-}

-

-void LLBottomTray::updateButtonsOrdersAfterDnD()

-{

-	// *TODO: change implementation of this method to support simplify it

-	// (and according to future possible changes in the way button order is saved between sessions).

-	state_object_map_t::const_iterator it = mStateProcessedObjectMap.begin();

-	state_object_map_t::const_iterator it_end = mStateProcessedObjectMap.end();

-	EResizeState dragged_state = RS_NORESIZE;

-	EResizeState landing_state = RS_NORESIZE;

-	bool landing_state_found = false;

-	// Find states for dragged item and landing tab

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

-	{

-		if (it->second == mDraggedItem)

-		{

-			dragged_state = it->first;

-		}

-		else if (it->second == mLandingTab)

-		{

-			landing_state = it->first;

-			landing_state_found = true;

-		}

-	}

-

-	if (dragged_state == RS_NORESIZE)

-	{

-		llwarns << "Cannot determine what button is being dragged" << llendl;

-		llassert(dragged_state != RS_NORESIZE);

-		return;

-	}

-

-	lldebugs << "Will place " << resizeStateToString(dragged_state)

-		<< " before " << resizeStateToString(landing_state) << llendl;

-

-	// Update order of buttons according to drag'n'drop

-	mButtonsOrder.erase(std::find(mButtonsOrder.begin(), mButtonsOrder.end(), dragged_state));

-	if (!landing_state_found && mLandingTab == getChild<LLPanel>(PANEL_CHICLET_NAME))

-	{

-		mButtonsOrder.push_back(dragged_state);

-	}

-	else

-	{

-		if (!landing_state_found) landing_state = RS_BUTTON_SPEAK; // just a random fallback

-		mButtonsOrder.insert(std::find(mButtonsOrder.begin(), mButtonsOrder.end(), landing_state), dragged_state);

-	}

-

-	// Synchronize button process order with their order

-	resize_state_vec_t::const_iterator it1 = mButtonsOrder.begin();

-	const resize_state_vec_t::const_iterator it_end1 = mButtonsOrder.end();

-	resize_state_vec_t::iterator it2 = mButtonsProcessOrder.begin();

-	for (; it1 != it_end1; ++it1)

-	{

-		// Skip Speak because it is not in mButtonsProcessOrder(it's the reason why mButtonsOrder was introduced).

-		// If any other draggable items will be added to bottomtray later, they should also be skipped here.

-		if (*it1 != RS_BUTTON_SPEAK)

-		{

-			*it2 = *it1;

-			++it2;

-		}

-	}

-

-	saveButtonsOrder();

-}

-

-void LLBottomTray::saveButtonsOrder()

-{

-	std::string user_dir = gDirUtilp->getLindenUserDir();

-	if (user_dir.empty()) return;

-	

-	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);

-	LLSD settings_llsd;

-	int i = 0;

-	const resize_state_vec_t::const_iterator it_end = mButtonsOrder.end();

-	// we use numbers as keys for map which is saved in file and contains resize states as its values

-	for (resize_state_vec_t::const_iterator it = mButtonsOrder.begin(); it != it_end; ++it, i++)

-	{

-		std::string str = llformat("%d", i);

-		settings_llsd[str] = *it;		

-	}

-	llofstream file;

-	file.open(filename);

-	LLSDSerialize::toPrettyXML(settings_llsd, file);

-}

-

-void LLBottomTray::loadButtonsOrder()

-{

-	// load per-resident sorting information

-	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);

-

-	LLSD settings_llsd;

-	llifstream file;

-	file.open(filename);

-	if (!file.is_open()) return;

-	

-	LLSDSerialize::fromXML(settings_llsd, file);

-	

-

-	mButtonsOrder.clear();

-	mButtonsProcessOrder.clear();

-	int i = 0;

-	// getting button order from file

-	for (LLSD::map_const_iterator iter = settings_llsd.beginMap();

-		iter != settings_llsd.endMap(); ++iter, ++i)

-	{

-		std::string str = llformat("%d", i);

-		EResizeState state = (EResizeState)settings_llsd[str].asInteger();

-		mButtonsOrder.push_back(state);

-		// RS_BUTTON_SPEAK is skipped, because it shouldn't be in mButtonsProcessOrder (it does not hide or shrink).

-		if (state != RS_BUTTON_SPEAK)

-		{

-			mButtonsProcessOrder.push_back(state);

-		}		

-	}

-

-	// There are other panels in layout stack order of which is not saved. Also, panels order of which is saved,

-	// are already in layout stack but in wrong order. The most convenient way to place them is moving them 

-	// to front one by one (because in this case we don't have to pass the panel before which we want to insert our

-	// panel to movePanel()). So panels are moved in order from the end of mButtonsOrder vector(reverse iterator is used).

-	const resize_state_vec_t::const_reverse_iterator it_end = mButtonsOrder.rend();

-	// placing panels in layout stack according to button order which we loaded in previous for

-	for (resize_state_vec_t::const_reverse_iterator it = mButtonsOrder.rbegin(); it != it_end; ++it, ++i)

-	{

-		LLPanel* panel_to_move = getButtonPanel(*it);

-		mToolbarStack->movePanel(panel_to_move, NULL, true); // prepend 		

-	}

-	// Nearbychat is not stored in order settings file, but it must be the first of the panels, so moving it

-	// (along with its drag handle) manually here.

-	mToolbarStack->movePanel(getChild<LLLayoutPanel>("chat_bar_resize_handle_panel"), NULL, true);

-	mToolbarStack->movePanel(mChatBarContainer, NULL, true);

-}

-

-void LLBottomTray::onDraggableButtonMouseUp(LLUICtrl* ctrl, S32 x, S32 y)

-{

-	//if mouse up happened over area where drop is possible, change order of buttons

-	if (mLandingTab != NULL && mDraggedItem != NULL && mDragStarted)

-	{

-		if(isCursorOverDraggableArea(x, y))

-		{

-			// change order of panels in layout stack

-			mToolbarStack->movePanel(mDraggedItem, (LLPanel*)mLandingTab);

-			// change order of buttons in order vectors

-			updateButtonsOrdersAfterDnD();

-		}

-	}

-	gViewerWindow->getWindow()->setCursor(UI_CURSOR_ARROW);

-	mDragStarted = false;

-	mDraggedItem = NULL;

-	mLandingTab = NULL;

-	mCheckForDrag = false;

-}

-

-void LLBottomTray::draw()

-{

-	LLPanel::draw();

-	if (mLandingTab)

-	{

-		static S32 w = mImageDragIndication->getWidth();

-		static S32 h = mImageDragIndication->getHeight();

-		LLRect rect = mLandingTab->calcScreenRect();

-		mImageDragIndication->draw(rect.mLeft - w/2, rect.getHeight(), w, h);

-	}

-	getChild<LLButton>("show_profile_btn")->setToggleState(LLAvatarActions::profileVisible(gAgent.getID()));

-

-	LLPanel* panel = LLSideTray::getInstance()->getPanel("panel_people");

-	if (panel && panel->isInVisibleChain())

-	{

-		getChild<LLButton>("show_people_button")->setToggleState(true);

-	}

-	else

-	{

-		getChild<LLButton>("show_people_button")->setToggleState(false);

-	}

-

-	LLFloater* help_browser = (LLFloaterReg::findInstance("help_browser"));

-	bool help_floater_visible = (help_browser && help_browser->isInVisibleChain());

-

-	getChild<LLButton>("show_help_btn")->setToggleState(help_floater_visible);

-

-

-}

-

-bool LLBottomTray::onContextMenuItemEnabled(const LLSD& userdata)

-{

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

-	LLLineEditor* edit_box = mNearbyChatBar->findChild<LLLineEditor>("chat_box");

-	

-	if (item == "can_cut")

-	{

-		return edit_box->canCut();

-	}

-	else if (item == "can_copy")

-	{

-		return edit_box->canCopy();

-	}

-	else if (item == "can_paste")

-	{

-		return edit_box->canPaste();

-	}

-	else if (item == "can_delete")

-	{

-		return edit_box->canDoDelete();

-	}

-	else if (item == "can_select_all")

-	{

-		return edit_box->canSelectAll() && (edit_box->getLength()>0);

-	}

-	return true;

-}

-

-

-void LLBottomTray::onContextMenuItemClicked(const LLSD& userdata)

-{

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

-	LLLineEditor* edit_box = mNearbyChatBar->findChild<LLLineEditor>("chat_box");

-

-	if (item == "cut")

-	{

-		edit_box->cut();

-	}

-	else if (item == "copy")

-	{

-		edit_box->copy();

-	}

-	else if (item == "paste")

-	{

-		edit_box->paste();

-		edit_box->setFocus(TRUE);

-	}

-	else if (item == "delete")

-	{

-		edit_box->doDelete();

-	}

-	else if (item == "select_all")

-	{

-		edit_box->selectAll();

-	}

-}

-

-void LLBottomTray::log(LLView* panel, const std::string& descr)

-{

-	if (NULL == panel) return;

-	LLView* layout = panel->getParent();

-	lldebugs << descr << ": "

-		<< "panel: " << panel->getName()

-		<< ", rect: " << panel->getRect()

- 

- 

-		<< "layout: " << layout->getName()

-		<< ", rect: " << layout->getRect()

-		<< llendl

-		; 

-}

-

-void LLBottomTray::reshape(S32 width, S32 height, BOOL called_from_parent)

-{

-	static S32 debug_calling_number = 0;

-	lldebugs << "**************************************** " << ++debug_calling_number << llendl;

-

-	S32 current_width = getRect().getWidth();

-	S32 delta_width = width - current_width;

-	lldebugs << "Reshaping: " 

-		<< ", width: " << width

-		<< ", cur width: " << current_width

-		<< ", delta_width: " << delta_width

-		<< ", called_from_parent: " << called_from_parent

-		<< llendl;

-

-	if (mNearbyChatBar)			log(mNearbyChatBar, "before");

-	if (mChicletPanel)			log(mChicletPanel, "before");

-

-	// stores width size on which bottom tray is less than width required by its children. EXT-991

-	static S32 extra_shrink_width = 0;

-	bool should_be_reshaped = true;

-

-	if (mChicletPanel && mToolbarStack && mNearbyChatBar)

-	{

-		// Firstly, update layout stack to ensure we deal with correct panel sizes.

-		{

-			BOOL saved_anim = mToolbarStack->getAnimate();

-			// Set chiclet panel to be autoresized by default.

-			mToolbarStack->updatePanelAutoResize(PANEL_CHICLET_NAME, TRUE);

-			// Disable animation to prevent layout updating in several frames.

-			mToolbarStack->setAnimate(FALSE);

-			// Force the updating of layout to reset panels collapse factor.

-			mToolbarStack->updateLayout();

-			// Restore animate state.

-			mToolbarStack->setAnimate(saved_anim);

-		}

-

-		// bottom tray is narrowed

-		if (delta_width < 0)

-		{

-			if (extra_shrink_width > 0)

-			{

-				// is world rect was extra shrunk and decreasing again only update this value

-				// to delta_width negative

-				extra_shrink_width -= delta_width; // use "-=" because delta_width is negative

-				should_be_reshaped = false;

-			}

-			else

-			{

-				extra_shrink_width = processWidthDecreased(delta_width);

-

-				// increase new width to extra_shrink_width value to not reshape less than bottom tray minimum

-				width += extra_shrink_width;

-			}

-		}

-		// bottom tray is widen

-		else

-		{

-			if (extra_shrink_width > delta_width)

-			{

-				// Less than minimum width is more than increasing (delta_width) 

-				// only reduce it value and make no reshape

-				extra_shrink_width -= delta_width;

-				should_be_reshaped = false;

-			}

-			else 

-			{

-				if (extra_shrink_width > 0)

-				{

-					// If we have some extra shrink width let's reduce delta_width & width

-					delta_width -= extra_shrink_width;

-					width -= extra_shrink_width;

-					extra_shrink_width = 0;

-				}

-				processWidthIncreased(delta_width);

-			}

-		}

-	}

-

-	if (should_be_reshaped)

-	{

-		lldebugs << "Reshape all children with width: " << width << llendl;

-		LLPanel::reshape(width, height, called_from_parent);

-	}

-

-	if (mNearbyChatBar)			log(mNearbyChatBar, "after");

-	if (mChicletPanel)			log(mChicletPanel, "after");

-

-

-	// Restore width of the chatbar on first reshape.

-	// we can not to do this from postBuild because reshape is called from parent view on startup

-	// creation after it and reset width according to resize logic.

-	static bool needs_restore_custom_state = true;

-	if (mChatBarContainer && needs_restore_custom_state)

-	{

-		// restore custom width of chatbar panel.

-		S32 new_width = gSavedSettings.getS32("ChatBarCustomWidth");

-		if (new_width > 0)

-		{

-			mDesiredNearbyChatWidth = new_width;

-			processChatbarCustomization(new_width);

-			mChatBarContainer->reshape(new_width, mChatBarContainer->getRect().getHeight());

-		}

-		needs_restore_custom_state = false;

-	}

-

-}

-

-S32 LLBottomTray::processWidthDecreased(S32 delta_width)

-{

-	bool still_should_be_processed = true;

-

-	const S32 chiclet_panel_width = mChicletPanel->getParent()->getRect().getWidth();

-	const S32 chiclet_panel_min_width = mChicletPanel->getMinWidth();

-

-	// There are four steps of processing width decrease. If in one of them required width was reached,

-	// further are not needed.

-	// 1. Decreasing width of chiclet panel.

-	if (chiclet_panel_width > chiclet_panel_min_width)

-	{

-		// we have some space to decrease chiclet panel

-		S32 panel_delta_min = chiclet_panel_width - chiclet_panel_min_width;

-

-		S32 delta_panel = llmin(-delta_width, panel_delta_min);

-

-		lldebugs << "delta_width: " << delta_width

-			<< ", panel_delta_min: " << panel_delta_min

-			<< ", delta_panel: " << delta_panel

-			<< llendl;

-

-		// is chiclet panel width enough to process resizing?

-		delta_width += panel_delta_min;

-

-		still_should_be_processed = delta_width < 0;

-

-		mChicletPanel->getParent()->reshape(mChicletPanel->getParent()->getRect().getWidth() - delta_panel, mChicletPanel->getParent()->getRect().getHeight());

-		log(mChicletPanel, "after processing panel decreasing via chiclet panel");

-

-		lldebugs << "RS_CHICLET_PANEL" 

-			<< ", delta_width: " << delta_width

-			<< llendl;

-	}

-

-	S32 buttons_freed_width = 0;

-	// 2. Decreasing width of buttons.

-	if (still_should_be_processed)

-	{

-		processShrinkButtons(delta_width, buttons_freed_width);

-	}

-	// 3. Decreasing width of nearby chat.

-	const S32 chatbar_panel_min_width = get_panel_min_width(mToolbarStack, mChatBarContainer);

-	const S32 chatbar_panel_width = mChatBarContainer->getRect().getWidth();

-	if (still_should_be_processed && chatbar_panel_width > chatbar_panel_min_width)

-	{

-		// we have some space to decrease chatbar panel

-		S32 panel_delta_min = chatbar_panel_width - chatbar_panel_min_width;

-

-		S32 delta_panel = llmin(-delta_width, panel_delta_min);

-

-		// whether chatbar panel width is enough to process resizing?

-		delta_width += panel_delta_min;

-

-		still_should_be_processed = delta_width < 0;

-

-		// chatbar should only be shrunk here, not stretched

-		if(delta_panel > 0)

-		{

-			mChatBarContainer->reshape(mNearbyChatBar->getRect().getWidth() - delta_panel, mChatBarContainer->getRect().getHeight());

-		}

-

-		log(mNearbyChatBar, "after processing panel decreasing via nearby chatbar panel");

-

-		lldebugs << "RS_CHATBAR_INPUT"

-			<< ", delta_panel: " << delta_panel

-			<< ", delta_width: " << delta_width

-			<< llendl;

-	}

-

-	S32 extra_shrink_width = 0;

-	// 4. Hiding buttons if needed.

-	if (still_should_be_processed)

-	{

-		processHideButtons(delta_width, buttons_freed_width);

-

-		if (delta_width < 0)

-		{

-			extra_shrink_width = -delta_width;

-			llwarns << "There is no enough width to reshape all children: " 

-				<< extra_shrink_width << llendl;

-		}

-

-		if (buttons_freed_width > 0)

-		{

-			S32 nearby_needed_width = mDesiredNearbyChatWidth - mNearbyChatBar->getRect().getWidth();

-			if (nearby_needed_width > 0)

-			{

-				S32 compensative_width = nearby_needed_width > buttons_freed_width ? buttons_freed_width : nearby_needed_width; 

-				log(mNearbyChatBar, "before applying compensative width");

-				mChatBarContainer->reshape(mChatBarContainer->getRect().getWidth() + compensative_width, mChatBarContainer->getRect().getHeight() );

-				log(mNearbyChatBar, "after applying compensative width");

-				lldebugs << buttons_freed_width << llendl;

-			}

-		}

-	}

-

-	return extra_shrink_width;

-}

-

-void LLBottomTray::processWidthIncreased(S32 delta_width)

-{

-	if (delta_width <= 0) return;

-

-	const S32 chiclet_panel_width = mChicletPanel->getParent()->getRect().getWidth();

-	static const S32 chiclet_panel_min_width = mChicletPanel->getMinWidth();

-

-	const S32 available_width_chiclet = chiclet_panel_width - chiclet_panel_min_width;

-

-	// how many room we have to show hidden buttons

-	S32 total_available_width = delta_width + available_width_chiclet;

-

-	lldebugs << "Processing extending, available width:"

-		<< ", chiclets - " << available_width_chiclet

-		<< ", total - " << total_available_width

-		<< llendl;

-

-	S32 available_width = total_available_width;

-

-	processShowButtons(available_width);

-

-	// if we have to show/extend some buttons but resized delta width is not enough...

-	S32 processed_width = total_available_width - available_width;

-	if (processed_width > delta_width)

-	{

-		// ... let's shrink nearby chat & chiclet panels

-		S32 required_to_process_width = processed_width;

-

-		// 1. use delta width of resizing

-		required_to_process_width -= delta_width;

-

-		// 2. use width available via decreasing of chiclet panel

-		if (required_to_process_width > 0)

-		{

-			mChicletPanel->getParent()->reshape(mChicletPanel->getParent()->getRect().getWidth() - required_to_process_width, mChicletPanel->getParent()->getRect().getHeight());

-			log(mChicletPanel, "after applying compensative width for chiclets: ");

-			lldebugs << required_to_process_width << llendl;

-		}

-

-	}

-

-	// shown buttons take some space, rest should be processed by nearby chatbar & chiclet panels

-	delta_width -= processed_width;

-

-

-	// how many space can nearby chatbar take?

-	S32 chatbar_panel_width_ = mChatBarContainer->getRect().getWidth();

-	if (delta_width > 0 && chatbar_panel_width_ < mDesiredNearbyChatWidth)

-	{

-		S32 delta_panel_max = mDesiredNearbyChatWidth - chatbar_panel_width_;

-		S32 delta_panel = llmin(delta_width, delta_panel_max);

-		lldebugs << "Unprocesed delta width: " << delta_width

-			<< ", can be applied to chatbar: " << delta_panel_max

-			<< ", will be applied: " << delta_panel

-			<< llendl;

-

-		delta_width -= delta_panel_max;

-		mChatBarContainer->reshape(chatbar_panel_width_ + delta_panel, mChatBarContainer->getRect().getHeight());

-		log(mNearbyChatBar, "applied unprocessed delta width");

-	}

-	if (delta_width > 0)

-	{

-		processExtendButtons(delta_width);

-	}

-}

-

-void LLBottomTray::processShowButtons(S32& available_width)

-{

-	// process buttons from left to right

-	resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();

-	const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();

-

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

-	{

-		// is there available space?

-		if (available_width <= 0) break;

-

-		// try to show next button

-		processShowButton(*it, available_width);

-	}

-}

-

-bool LLBottomTray::processShowButton(EResizeState shown_object_type, S32& available_width)

-{

-	lldebugs << "Trying to show object type: " << shown_object_type << llendl;

-

-	LLPanel* panel = getButtonPanel(shown_object_type);

-	if (NULL == panel)

-	{

-		lldebugs << "There is no object to process for state: " << shown_object_type << llendl;

-		return false;

-	}

-	bool can_be_shown = canButtonBeShown(shown_object_type);

-	if (can_be_shown)

-	{

-		//validate if we have enough room to show this button

-		const S32 required_width = panel->getRect().getWidth();

-		can_be_shown = available_width >= required_width;

-		if (can_be_shown)

-		{

-			available_width -= required_width;

-

-			setTrayButtonVisible(shown_object_type, true);

-

-			lldebugs << "processed object type: " << shown_object_type

-				<< ", rest available width: " << available_width

-				<< llendl;

-			mResizeState &= ~shown_object_type;

-		}

-	}

-	return can_be_shown;

-}

-

-void LLBottomTray::processHideButtons(S32& required_width, S32& buttons_freed_width)

-{

-	// process buttons from right to left

-	resize_state_vec_t::const_reverse_iterator it = mButtonsProcessOrder.rbegin();

-	const resize_state_vec_t::const_reverse_iterator it_end = mButtonsProcessOrder.rend();

-

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

-	{

-		// is it still necessary to hide a button?

-		if (required_width >= 0) break;

-

-		// try to hide next button

-		processHideButton(*it, required_width, buttons_freed_width);

-	}

-}

-

-void LLBottomTray::processHideButton(EResizeState processed_object_type, S32& required_width, S32& buttons_freed_width)

-{

-	lldebugs << "Trying to hide object type: " << processed_object_type << llendl;

-	LLPanel* panel = getButtonPanel(processed_object_type);

-	if (NULL == panel)

-	{

-		lldebugs << "There is no object to process for state: " << processed_object_type << llendl;

-		return;

-	}

-

-	if (panel->getVisible())

-	{

-		required_width += panel->getRect().getWidth();

-

-		if (required_width > 0)

-		{

-			buttons_freed_width += required_width;

-		}

-

-		setTrayButtonVisible(processed_object_type, false);

-

-		mResizeState |= processed_object_type;

-

-		lldebugs << "processing object type: " << processed_object_type

-			<< ", buttons_freed_width: " << buttons_freed_width

-			<< llendl;

-	}

-}

-

-void LLBottomTray::processShrinkButtons(S32& required_width, S32& buttons_freed_width)

-{

-	// process buttons from right to left

-	resize_state_vec_t::const_reverse_iterator it = mButtonsProcessOrder.rbegin();

-	const resize_state_vec_t::const_reverse_iterator it_end = mButtonsProcessOrder.rend();

-

-	// iterate through buttons in the mButtonsProcessOrder first

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

-	{

-		// is it still necessary to hide a button?

-		if (required_width >= 0) break;

-

-		// try to shrink next button

-		processShrinkButton(*it, required_width);

-	}

-

-	// then shrink Speak button

-	if (required_width < 0)

-	{

-		S32 panel_min_width = 0;

-		std::string panel_name = mSpeakPanel->getName();

-		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width);

-		if (!success)

-		{

-			lldebugs << "Panel was not found to get its min width: " << panel_name << llendl;

-		}

-		else

-		{

-			S32 panel_width = mSpeakPanel->getRect().getWidth();

-			S32 possible_shrink_width = panel_width - panel_min_width;

-

-			if (possible_shrink_width > 0)

-			{

-				mSpeakBtn->setLabelVisible(false);

-				mSpeakPanel->reshape(panel_width - possible_shrink_width, mSpeakPanel->getRect().getHeight());

-

-				required_width += possible_shrink_width;

-

-				if (required_width > 0)

-				{

-					buttons_freed_width += required_width;

-				}

-

-				lldebugs << "Shrunk Speak button panel: " << panel_name

-					<< ", shrunk width: " << possible_shrink_width

-					<< ", rest width to process: " << required_width

-					<< llendl;

-			}

-		}

-	}

-}

-

-void LLBottomTray::processShrinkButton(EResizeState processed_object_type, S32& required_width)

-{

-	LLPanel* panel = getButtonPanel(processed_object_type);

-	if (NULL == panel)

-	{

-		lldebugs << "There is no object to process for type: " << processed_object_type << llendl;

-		return;

-	}

-

-	if (panel->getVisible())

-	{

-		S32 panel_width = panel->getRect().getWidth();

-		S32 panel_min_width = 0;

-		std::string panel_name = panel->getName();

-		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width);

-		S32 possible_shrink_width = panel_width - panel_min_width;

-

-		if (!success)

-		{

-			lldebugs << "Panel was not found to get its min width: " << panel_name << llendl;

-		}

-		// we have some space to free by shrinking the button

-		else if (possible_shrink_width > 0)

-		{

-			// let calculate real width to shrink

-

-			// 1. apply all possible width

-			required_width += possible_shrink_width;

-

-			// 2. it it is too much... 

-			if (required_width > 0)

-			{

-				// reduce applied shrunk width to the excessive value.

-				possible_shrink_width -= required_width;

-				required_width = 0;

-			}

-			panel->reshape(panel_width - possible_shrink_width, panel->getRect().getHeight());

-

-			lldebugs << "Shrunk panel: " << panel_name

-				<< ", shrunk width: " << possible_shrink_width

-				<< ", rest width to process: " << required_width

-				<< llendl;

-		}

-	}

-}

-

-

-void LLBottomTray::processExtendButtons(S32& available_width)

-{

-	// do not allow extending any buttons if we have some buttons hidden via resize

-	if (mResizeState & RS_BUTTONS_CAN_BE_HIDDEN) return;

-

-	// process buttons from left to right

-	resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();

-	const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();

-

-	// iterate through buttons in the mButtonsProcessOrder first

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

-	{

-		// is there available space?

-		if (available_width <= 0) break;

-

-		// try to extend next button

-		processExtendButton(*it, available_width);

-	}

-

-	const S32 chiclet_panel_width = mChicletPanel->getParent()->getRect().getWidth();

-	static const S32 chiclet_panel_min_width = mChicletPanel->getMinWidth();

-	const S32 available_width_chiclet = chiclet_panel_width - chiclet_panel_min_width;

-

-	// then try to extend Speak button

-	if (available_width > 0 || available_width_chiclet > 0)

-	{

-		S32 panel_max_width = mObjectDefaultWidthMap[RS_BUTTON_SPEAK];

-		S32 panel_width = mSpeakPanel->getRect().getWidth();

-		S32 possible_extend_width = panel_max_width - panel_width;

-

-		if (possible_extend_width >= 0 && possible_extend_width <= available_width + available_width_chiclet)  // HACK: this button doesn't change size so possible_extend_width will be 0

-		{

-			mSpeakBtn->setLabelVisible(true);

-			mSpeakPanel->reshape(panel_max_width, mSpeakPanel->getRect().getHeight());

-			log(mSpeakBtn, "speak button is extended");

-

-			if( available_width > possible_extend_width)

-			{

-				available_width -= possible_extend_width;

-			}

-			else

-			{

-				S32 required_width = possible_extend_width - available_width;

-				available_width = 0;

-				mChicletPanel->getParent()->reshape(mChicletPanel->getParent()->getRect().getWidth() - required_width, mChicletPanel->getParent()->getRect().getHeight());

-			}

-			lldebugs << "Extending Speak button panel: " << mSpeakPanel->getName()

-				<< ", extended width: " << possible_extend_width

-				<< ", rest width to process: " << available_width

-				<< llendl;

-		}

-	}

-}

-

-void LLBottomTray::processExtendButton(EResizeState processed_object_type, S32& available_width)

-{

-	LLPanel* panel = getButtonPanel(processed_object_type);

-	if (NULL == panel)

-	{

-		lldebugs << "There is no object to process for type: " << processed_object_type << llendl;

-		return;

-	}

-

-	if (!panel->getVisible()) return;

-

-	S32 panel_max_width = mObjectDefaultWidthMap[processed_object_type];

-	S32 panel_width = panel->getRect().getWidth();

-	S32 possible_extend_width = panel_max_width - panel_width;

-

-	if (possible_extend_width > 0)

-	{

-		// let calculate real width to extend

-

-		// 1. apply all possible width

-		available_width -= possible_extend_width;

-

-		// 2. it it is too much... 

-		if (available_width < 0)

-		{

-			// reduce applied extended width to the excessive value.

-			possible_extend_width += available_width;

-			available_width = 0;

-		}

-		panel->reshape(panel_width + possible_extend_width, panel->getRect().getHeight());

-

-		lldebugs << "Extending panel: " << panel->getName()

-			<< ", extended width: " << possible_extend_width

-			<< ", rest width to process: " << available_width

-			<< llendl;

-	}

-}

-

-bool LLBottomTray::canButtonBeShown(EResizeState processed_object_type) const

-{

-	// 0. Check if passed button was previously hidden on resize

-	bool can_be_shown = mResizeState & processed_object_type;

-	if (can_be_shown)

-	{

-		// Yes, it was. Lets now check that all buttons before it (that can be hidden on resize)

-		// are already shown

-

-		// process buttons in direct order (from left to right)

-		resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();

-		const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();

-

-		// 1. Find and accumulate all buttons types before one passed into the method.

-		MASK buttons_before_mask = RS_NORESIZE;

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

-		{

-			const EResizeState button_type = *it;

-			if (button_type == processed_object_type) break;

-

-			buttons_before_mask |= button_type;

-		}

-

-		// 2. Check if some previous buttons are still hidden on resize

-		can_be_shown = !(buttons_before_mask & mResizeState);

-	}

-	return can_be_shown;

-}

-

-void LLBottomTray::initResizeStateContainers()

-{

-	// init map with objects should be processed for each type

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_SPEAK, getChild<LLPanel>("speak_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_GESTURES, getChild<LLPanel>("gesture_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_MOVEMENT, getChild<LLPanel>("movement_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_CAMERA, getChild<LLPanel>("cam_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_SNAPSHOT, getChild<LLPanel>("snapshot_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_BUILD, getChild<LLPanel>("build_btn_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_SEARCH, getChild<LLPanel>("search_btn_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_WORLD_MAP, getChild<LLPanel>("world_map_btn_panel")));

-	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_MINI_MAP, getChild<LLPanel>("mini_map_btn_panel")));

-

-	// init an order of processed buttons

-	mButtonsProcessOrder.push_back(RS_BUTTON_GESTURES);

-	mButtonsProcessOrder.push_back(RS_BUTTON_MOVEMENT);

-	mButtonsProcessOrder.push_back(RS_BUTTON_CAMERA);

-	mButtonsProcessOrder.push_back(RS_BUTTON_SNAPSHOT);

-	mButtonsProcessOrder.push_back(RS_BUTTON_BUILD);

-	mButtonsProcessOrder.push_back(RS_BUTTON_SEARCH);

-	mButtonsProcessOrder.push_back(RS_BUTTON_WORLD_MAP);

-	mButtonsProcessOrder.push_back(RS_BUTTON_MINI_MAP);

-

-	mButtonsOrder.push_back(RS_BUTTON_SPEAK);

-	mButtonsOrder.insert(mButtonsOrder.end(), mButtonsProcessOrder.begin(), mButtonsProcessOrder.end());

-

-	// init default widths

-

-	// process buttons that can be hidden on resize...

-	resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();

-	const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();

-

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

-	{

-		const EResizeState button_type = *it;

-		// is there an appropriate object?

-		LLPanel* button_panel = getButtonPanel(button_type);

-		if (!button_panel) continue;

-

-		// set default width for it.

-		mObjectDefaultWidthMap[button_type] = button_panel->getRect().getWidth();

-	}

-

-	// ... and add Speak button because it also can be shrunk.

-	mObjectDefaultWidthMap[RS_BUTTON_SPEAK]	   = mSpeakPanel->getRect().getWidth();

-}

-

-// this method must be called before restoring of the chat entry field on startup

-// because it resets chatbar's width according to resize logic.

-void LLBottomTray::initButtonsVisibility()

-{

-	setVisibleAndFitWidths(RS_BUTTON_SPEAK, gSavedSettings.getBOOL("EnableVoiceChat"));

-	setVisibleAndFitWidths(RS_BUTTON_GESTURES, gSavedSettings.getBOOL("ShowGestureButton"));

-	setVisibleAndFitWidths(RS_BUTTON_MOVEMENT, gSavedSettings.getBOOL("ShowMoveButton"));

-	setVisibleAndFitWidths(RS_BUTTON_CAMERA, gSavedSettings.getBOOL("ShowCameraButton"));

-	setVisibleAndFitWidths(RS_BUTTON_SNAPSHOT, gSavedSettings.getBOOL("ShowSnapshotButton"));

-	setVisibleAndFitWidths(RS_BUTTON_BUILD, gSavedSettings.getBOOL("ShowBuildButton"));

-	setVisibleAndFitWidths(RS_BUTTON_SEARCH, gSavedSettings.getBOOL("ShowSearchButton"));

-	setVisibleAndFitWidths(RS_BUTTON_WORLD_MAP, gSavedSettings.getBOOL("ShowWorldMapButton"));

-	setVisibleAndFitWidths(RS_BUTTON_MINI_MAP, gSavedSettings.getBOOL("ShowMiniMapButton"));

-}

-

-void LLBottomTray::setButtonsControlsAndListeners()

-{

-	gSavedSettings.getControl("EnableVoiceChat")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SPEAK, _2));

-	gSavedSettings.getControl("ShowGestureButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_GESTURES, _2));

-	gSavedSettings.getControl("ShowMoveButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_MOVEMENT, _2));

-	gSavedSettings.getControl("ShowCameraButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_CAMERA, _2));

-	gSavedSettings.getControl("ShowSnapshotButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SNAPSHOT, _2));

-	gSavedSettings.getControl("ShowBuildButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_BUILD, _2));

-	gSavedSettings.getControl("ShowSearchButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SEARCH, _2));

-	gSavedSettings.getControl("ShowWorldMapButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_WORLD_MAP, _2));

-	gSavedSettings.getControl("ShowMiniMapButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_MINI_MAP, _2));

-

-

-	LLButton* build_btn = getChild<LLButton>("build_btn");

-	// set control name for Build button. It is not enough to link it with Button.SetFloaterToggle in xml

-	std::string vis_control_name = LLFloaterReg::declareVisibilityControl("build");

-	// Set the button control value (toggle state) to the floater visibility control (Sets the value as well)

-	build_btn->setControlVariable(LLFloater::getControlGroup()->getControl(vis_control_name));

-}

-

-bool LLBottomTray::toggleShowButton(LLBottomTray::EResizeState button_type, const LLSD& new_visibility)

-{

-	if (LLBottomTray::instanceExists())

-	{

-		LLBottomTray::getInstance()->setTrayButtonVisibleIfPossible(button_type, new_visibility.asBoolean());

-	}

-	return true;

-}

-

-void LLBottomTray::setTrayButtonVisible(EResizeState shown_object_type, bool visible)

-{

-	LLPanel* panel = getButtonPanel(shown_object_type);

-	if (NULL == panel)

-	{

-		lldebugs << "There is no object to show for state: " << shown_object_type << llendl;

-		return;

-	}

-

-	panel->setVisible(visible);

-}

-

-void LLBottomTray::setTrayButtonVisibleIfPossible(EResizeState shown_object_type, bool visible, bool raise_notification)

-{

-	if (!setVisibleAndFitWidths(shown_object_type, visible) && visible && raise_notification)

-	{

-		LLNotificationsUtil::add("BottomTrayButtonCanNotBeShown",

-								 LLSD(),

-								 LLSD(),

-								 LLNotificationFunctorRegistry::instance().DONOTHING);

-	}

-}

-

-bool LLBottomTray::setVisibleAndFitWidths(EResizeState object_type, bool visible)

-{

-	// The Speak button is treated specially: if voice is enabled,

-	// the button should be displayed no matter how much space we've got.

-	if (object_type == RS_BUTTON_SPEAK)

-	{

-		showSpeakButton(visible);

-		return true;

-	}

-

-	LLPanel* cur_panel = getButtonPanel(object_type);

-	if (NULL == cur_panel)

-	{

-		lldebugs << "There is no object to process for state: " << object_type << llendl;

-		return false;

-	}

-

-	bool is_set = true;

-

-	if (visible)

-	{

-		// Assume that only chiclet panel can be auto-resized

-		const S32 available_width =

-			mChicletPanel->getParent()->getRect().getWidth() - mChicletPanel->getMinWidth();

-

-		S32 preferred_width = mObjectDefaultWidthMap[object_type];

-		S32 current_width = cur_panel->getRect().getWidth();

-		S32 result_width = 0;

-		bool decrease_width = false;

-

-		// Mark this button to be shown

-		mResizeState |= object_type;

-

-		if (preferred_width > 0 && available_width >= preferred_width)

-		{

-			result_width = preferred_width;

-		}

-		else if (available_width >= current_width)

-		{

-			result_width = current_width;

-		}

-		else

-		{

-			// Calculate the possible shrunk width as difference between current and minimal widths

-			const S32 chatbar_shrunk_width =

-				mChatBarContainer->getRect().getWidth() - get_panel_min_width(mToolbarStack, mChatBarContainer);

-

-			S32 sum_of_min_widths = get_panel_min_width(mToolbarStack, mSpeakPanel);

-			S32 sum_of_curr_widths = get_curr_width(mSpeakPanel);

-

-			resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();

-			const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();

-

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

-			{

-				LLPanel* cur_panel = getButtonPanel(*it);

-				sum_of_min_widths += get_panel_min_width(mToolbarStack, cur_panel);

-				sum_of_curr_widths += get_curr_width(cur_panel);

-			}

-

-			const S32 possible_shrunk_width =

-				chatbar_shrunk_width + (sum_of_curr_widths - sum_of_min_widths);

-

-			// Minimal width of current panel

-			S32 minimal_width = 0;

-			mToolbarStack->getPanelMinSize(cur_panel->getName(), &minimal_width);

-

-			if ( (available_width + possible_shrunk_width) >= minimal_width)

-			{

-				// There is enough space for minimal width, but set the result_width

-				// to preferred_width so buttons widths decreasing will be done in predefined order

-				result_width = (preferred_width > 0) ? preferred_width : current_width;

-				decrease_width = true;

-			}

-			else

-			{

-				// Nothing can be done, give up...

-				return false;

-			}

-		}

-

-		if (result_width != current_width)

-		{

-			cur_panel->reshape(result_width, cur_panel->getRect().getHeight());

-			current_width = result_width;

-		}

-

-		is_set = processShowButton(object_type, current_width);

-

-		// Shrink buttons if needed

-		if (is_set && decrease_width)

-		{

-			processWidthDecreased( -result_width);

-		}

-	}

-	else

-	{

-		const S32 delta_width = get_curr_width(cur_panel);

-

-		setTrayButtonVisible(object_type, false);

-

-		// Mark button NOT to show while future bottom tray extending

-		mResizeState &= ~object_type;

-

-		// Extend other buttons if need

-		if (delta_width)

-		{

-			processWidthIncreased(delta_width);

-		}

-	}

-	return is_set;

-}

-

-LLPanel* LLBottomTray::getButtonPanel(EResizeState button_type)

-{

-	// Don't use the operator[] because it inserts a NULL value if the key is not found.

-	if (mStateProcessedObjectMap.count(button_type) == 0)

-	{

-		llwarns << "Cannot find a panel for " << resizeStateToString(button_type) << llendl;

-		llassert(mStateProcessedObjectMap.count(button_type) == 1);

-		return NULL;

-	}

-

-	return mStateProcessedObjectMap[button_type];

-}

-

-void LLBottomTray::showWellButton(EResizeState object_type, bool visible)

-{

-	llassert( ((RS_NOTIFICATION_WELL | RS_IM_WELL) & object_type) == object_type );

-

-	const std::string panel_name = RS_IM_WELL == object_type ? "im_well_panel" : "notification_well_panel";

-

-	LLView * panel = getChild<LLView>(panel_name);

-

-	// if necessary visibility is set nothing to do here

-	if (panel->getVisible() == (BOOL)visible) return;

-

-	S32 panel_width = panel->getRect().getWidth();

-	panel->setVisible(visible);

-

-	if (visible)

-	{

-		// method assumes that input param is a negative value

-		processWidthDecreased(-panel_width);

-	}

-	else

-	{

-		processWidthIncreased(panel_width);

-	}

-}

-

-void LLBottomTray::processChatbarCustomization(S32 new_width)

-{

-	if (NULL == mNearbyChatBar) return;

-

-	const S32 delta_width = mChatBarContainer->getRect().getWidth() - new_width;

-

-	if (delta_width == 0) return;

-

-	mDesiredNearbyChatWidth = new_width;

-

-	LLView * chiclet_layout_panel = mChicletPanel->getParent();

-	const S32 chiclet_min_width = get_panel_min_width(mToolbarStack, chiclet_layout_panel);

-	const S32 chiclet_panel_width = chiclet_layout_panel->getRect().getWidth();

-	const S32 available_chiclet_shrink_width = chiclet_panel_width - chiclet_min_width;

-	llassert(available_chiclet_shrink_width >= 0);

-

-	if (delta_width > 0) // panel gets narrowly

-	{

-		S32 total_possible_width = delta_width + available_chiclet_shrink_width;

-		processShowButtons(total_possible_width);

-		processExtendButtons(total_possible_width);

-	}

-	// here (delta_width < 0) // panel gets wider

-	else //if (-delta_width > available_chiclet_shrink_width)

-	{

-		S32 required_width = delta_width + available_chiclet_shrink_width;

-		S32 buttons_freed_width = 0;

-		processShrinkButtons(required_width, buttons_freed_width);

-		processHideButtons(required_width, buttons_freed_width);

-	}

-}

-

-// static

-std::string LLBottomTray::resizeStateToString(EResizeState state)

-{

-	switch (state)

-	{

-	case RS_NORESIZE:				return "RS_NORESIZE";

-	case RS_CHICLET_PANEL:			return "RS_CHICLET_PANEL";

-	case RS_CHATBAR_INPUT:			return "RS_CHATBAR_INPUT";

-	case RS_BUTTON_SNAPSHOT:		return "RS_BUTTON_SNAPSHOT";

-	case RS_BUTTON_CAMERA:			return "RS_BUTTON_CAMERA";

-	case RS_BUTTON_MOVEMENT:		return "RS_BUTTON_MOVEMENT";

-	case RS_BUTTON_GESTURES:		return "RS_BUTTON_GESTURES";

-	case RS_BUTTON_SPEAK:			return "RS_BUTTON_SPEAK";

-	case RS_IM_WELL:				return "RS_IM_WELL";

-	case RS_NOTIFICATION_WELL:		return "RS_NOTIFICATION_WELL";

-	case RS_BUTTON_BUILD:			return "RS_BUTTON_BUILD";

-	case RS_BUTTON_SEARCH:			return "RS_BUTTON_SEARCH";

-	case RS_BUTTON_WORLD_MAP:		return "RS_BUTTON_WORLD_MAP";

-	case RS_BUTTON_MINI_MAP:		return "RS_BUTTON_MINI_MAP";

-	case RS_BUTTONS_CAN_BE_HIDDEN:	return "RS_BUTTONS_CAN_BE_HIDDEN";

-	// No default to track additions.

-	}

-	return "UNKNOWN_BUTTON";

-}

-

-//EOF

+/** 
+ * @file llbottomtray.cpp
+ * @brief LLBottomTray class implementation
+ *
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#include "llviewerprecompiledheaders.h" // must be first include
+
+#define LLBOTTOMTRAY_CPP
+#include "llbottomtray.h"
+
+// library includes
+#include "llfloaterreg.h"
+#include "llflyoutbutton.h"
+#include "lllayoutstack.h"
+#include "llnotifications.h"
+#include "llnotificationsutil.h"
+#include "lltexteditor.h"
+
+// newview includes
+#include "llagent.h"
+#include "llagentcamera.h"
+#include "llavataractions.h"
+#include "llchiclet.h"
+#include "llfloatercamera.h"
+#include "llhints.h"
+#include "llimfloater.h" // for LLIMFloater
+#include "llnearbychatbar.h"
+#include "llsidetray.h"
+#include "llspeakbutton.h"
+#include "llsplitbutton.h"
+#include "llsyswellwindow.h"
+#include "lltoolmgr.h"
+#include "llviewerparcelmgr.h"
+
+#include "llviewerwindow.h"
+#include "llsdserialize.h"
+
+// Distance from mouse down on which drag'n'drop should be started.
+#define DRAG_START_DISTANCE 3
+
+static const std::string SORTING_DATA_FILE_NAME = "bottomtray_buttons_order.xml";
+
+LLDefaultChildRegistry::Register<LLBottomtrayButton> bottomtray_button("bottomtray_button");
+
+// LLBottomtrayButton methods
+
+// virtual
+BOOL LLBottomtrayButton::handleHover(S32 x, S32 y, MASK mask)
+{
+	if (mCanDrag)
+	{
+		// pass hover to bottomtray
+		S32 screenX, screenY;
+		localPointToScreen(x, y, &screenX, &screenY);
+		LLBottomTray::getInstance()->onDraggableButtonHover(screenX, screenY);
+
+		return TRUE;
+	}
+	else
+	{
+		return LLButton::handleHover(x, y, mask);
+	}
+}
+//virtual
+BOOL LLBottomtrayButton::handleMouseUp(S32 x, S32 y, MASK mask)
+{
+	if (mCanDrag)
+	{
+	S32 screenX, screenY;
+	localPointToScreen(x, y, &screenX, &screenY);
+	// pass mouse up to bottomtray
+	LLBottomTray::getInstance()->onDraggableButtonMouseUp(this, screenX, screenY);
+	}
+	return LLButton::handleMouseUp(x, y, mask);
+}
+//virtual
+BOOL LLBottomtrayButton::handleMouseDown(S32 x, S32 y, MASK mask)
+{
+	if (mCanDrag)
+	{
+	S32 screenX, screenY;
+	localPointToScreen(x, y, &screenX, &screenY);
+	// pass mouse up to bottomtray
+	LLBottomTray::getInstance()->onDraggableButtonMouseDown(this, screenX, screenY);
+	}
+	return LLButton::handleMouseDown(x, y, mask);
+}
+
+static void update_build_button_enable_state()
+{
+	bool can_edit = LLToolMgr::getInstance()->canEdit();
+
+	LLBottomTray::getInstance()->getChildView("build_btn")->setEnabled(can_edit);
+}
+
+// Build time optimization, generate extern template once in .cpp file
+template class LLBottomTray* LLSingleton<class LLBottomTray>::getInstance();
+
+namespace
+{
+	const std::string& PANEL_CHICLET_NAME	= "chiclet_list_panel";
+
+	S32 get_panel_min_width(LLLayoutStack* stack, LLView* panel)
+	{
+		S32 minimal_width = 0;
+		llassert(stack);
+		if ( stack && panel && panel->getVisible() )
+		{
+			stack->getPanelMinSize(panel->getName(), &minimal_width);
+		}
+		return minimal_width;
+	}
+
+	S32 get_panel_max_width(LLLayoutStack* stack, LLPanel* panel)
+	{
+		S32 max_width = 0;
+		llassert(stack);
+		if ( stack && panel && panel->getVisible() )
+		{
+			stack->getPanelMaxSize(panel->getName(), &max_width);
+		}
+		return max_width;
+	}
+
+	S32 get_curr_width(LLUICtrl* ctrl)
+	{
+		S32 cur_width = 0;
+		if ( ctrl && ctrl->getVisible() )
+		{
+			cur_width = ctrl->getRect().getWidth();
+		}
+		return cur_width;
+	}
+}
+
+class LLBottomTrayLite
+	: public LLPanel
+{
+public:
+	LLBottomTrayLite()
+		: mNearbyChatBar(NULL),
+		mChatBarContainer(NULL),
+		  mGesturePanel(NULL)
+	{
+		mFactoryMap["chat_bar"] = LLCallbackMap(LLBottomTray::createNearbyChatBar, NULL);
+		buildFromFile("panel_bottomtray_lite.xml");
+	}
+
+	BOOL postBuild()
+	{
+		mNearbyChatBar = findChild<LLNearbyChatBar>("chat_bar");
+		mChatBarContainer = getChild<LLLayoutPanel>("chat_bar_layout_panel");
+		mGesturePanel = getChild<LLPanel>("gesture_panel");
+
+		// Hide "show_nearby_chat" button 
+		if (mNearbyChatBar)
+		{
+			LLLineEditor* chat_box = mNearbyChatBar->getChatBox();
+			LLUICtrl* show_btn = mNearbyChatBar->getChild<LLUICtrl>("show_nearby_chat");
+			S32 delta_width = show_btn->getRect().getWidth();
+			show_btn->setVisible(FALSE);
+			chat_box->reshape(chat_box->getRect().getWidth() + delta_width, chat_box->getRect().getHeight());
+		}
+		return TRUE;
+	}
+
+	void onFocusLost()
+	{
+		if (gAgentCamera.cameraMouselook())
+		{
+			LLBottomTray::getInstance()->setVisible(FALSE);
+		}
+	}
+
+	LLNearbyChatBar*	mNearbyChatBar;
+	LLLayoutPanel*		mChatBarContainer;
+	LLPanel*			mGesturePanel;
+};
+
+LLBottomTray::LLBottomTray(const LLSD&)
+:	mChicletPanel(NULL),
+	mSpeakPanel(NULL),
+	mSpeakBtn(NULL),
+	mNearbyChatBar(NULL),
+	mChatBarContainer(NULL),
+	mNearbyCharResizeHandlePanel(NULL),
+	mToolbarStack(NULL),
+	mMovementButton(NULL),
+	mResizeState(RS_NORESIZE),
+	mBottomTrayContextMenu(NULL),
+	mCamButton(NULL),
+	mBottomTrayLite(NULL),
+	mIsInLiteMode(false),
+	mDragStarted(false),
+	mDraggedItem(NULL),
+	mLandingTab(NULL),
+	mCheckForDrag(false)
+{
+	// Firstly add ourself to IMSession observers, so we catch session events
+	// before chiclets do that.
+	LLIMMgr::getInstance()->addSessionObserver(this);
+
+	mFactoryMap["chat_bar"] = LLCallbackMap(LLBottomTray::createNearbyChatBar, NULL);
+
+	buildFromFile("panel_bottomtray.xml");
+
+	LLUICtrl::CommitCallbackRegistry::defaultRegistrar().add("CameraPresets.ChangeView", boost::bind(&LLFloaterCamera::onClickCameraItem, _2));
+
+	//this is to fix a crash that occurs because LLBottomTray is a singleton
+	//and thus is deleted at the end of the viewers lifetime, but to be cleanly
+	//destroyed LLBottomTray requires some subsystems that are long gone
+	//LLUI::getRootView()->addChild(this);
+
+	{
+		mBottomTrayLite = new LLBottomTrayLite();
+		mBottomTrayLite->setFollowsAll();
+		mBottomTrayLite->setVisible(FALSE);
+	}
+
+	mImageDragIndication = LLUI::getUIImage(getString("DragIndicationImageName"));
+	mDesiredNearbyChatWidth = mNearbyChatBar ? mNearbyChatBar->getRect().getWidth() : 0;
+}
+
+LLBottomTray::~LLBottomTray()
+{
+	if (!LLSingleton<LLIMMgr>::destroyed())
+	{
+		LLIMMgr::getInstance()->removeSessionObserver(this);
+	}
+
+	if (mNearbyChatBar)
+	{
+		// store custom width of chatbar panel.
+		S32 custom_width = mChatBarContainer->getRect().getWidth();
+		gSavedSettings.setS32("ChatBarCustomWidth", custom_width);
+	}
+
+	// emulate previous floater behavior to be hidden on startup.
+	// override effect of save_visibility=true.
+	// this attribute is necessary to button.initial_callback=Button.SetFloaterToggle works properly:
+	//		i.g when floater changes its visibility - button changes its toggle state.
+	getChild<LLUICtrl>("build_btn")->setControlValue(false);
+	getChild<LLUICtrl>("search_btn")->setControlValue(false);
+	getChild<LLUICtrl>("world_map_btn")->setControlValue(false);
+}
+
+// *TODO Vadim: why void* ?
+void* LLBottomTray::createNearbyChatBar(void* userdata)
+{
+	return new LLNearbyChatBar();
+}
+
+LLNearbyChatBar* LLBottomTray::getNearbyChatBar()
+{
+	return mIsInLiteMode ? mBottomTrayLite->mNearbyChatBar : mNearbyChatBar;
+}
+
+LLIMChiclet* LLBottomTray::createIMChiclet(const LLUUID& session_id)
+{
+	LLIMChiclet::EType im_chiclet_type = LLIMChiclet::getIMSessionType(session_id);
+
+	switch (im_chiclet_type)
+	{
+	case LLIMChiclet::TYPE_IM:
+		return getChicletPanel()->createChiclet<LLIMP2PChiclet>(session_id);
+	case LLIMChiclet::TYPE_GROUP:
+		return getChicletPanel()->createChiclet<LLIMGroupChiclet>(session_id);
+	case LLIMChiclet::TYPE_AD_HOC:
+		return getChicletPanel()->createChiclet<LLAdHocChiclet>(session_id);
+	case LLIMChiclet::TYPE_UNKNOWN:
+		break;
+	}
+
+	return NULL;
+}
+
+//virtual
+void LLBottomTray::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id)
+{
+	if (!getChicletPanel()) return;
+
+	LLIMModel::LLIMSession* session = LLIMModel::getInstance()->findIMSession(session_id);
+	if (!session) return;
+
+	// no need to spawn chiclets for participants in P2P calls called through Avaline
+	if (session->isP2P() && session->isOtherParticipantAvaline()) return;
+
+	if (getChicletPanel()->findChiclet<LLChiclet>(session_id)) return;
+
+	LLIMChiclet* chiclet = createIMChiclet(session_id);
+	if(chiclet)
+	{
+		chiclet->setIMSessionName(name);
+		chiclet->setOtherParticipantId(other_participant_id);
+		
+		LLIMFloater::onIMChicletCreated(session_id);
+
+	}
+	else
+	{
+		llerrs << "Could not create chiclet" << llendl;
+	}
+}
+
+//virtual
+void LLBottomTray::sessionRemoved(const LLUUID& session_id)
+{
+	if(getChicletPanel())
+	{
+		// IM floater should be closed when session removed and associated chiclet closed
+		LLIMFloater* iMfloater = LLFloaterReg::findTypedInstance<LLIMFloater>(
+				"impanel", session_id);
+		if (iMfloater != NULL)
+		{
+			iMfloater->closeFloater();
+		}
+
+		getChicletPanel()->removeChiclet(session_id);
+	}
+}
+
+void LLBottomTray::sessionIDUpdated(const LLUUID& old_session_id, const LLUUID& new_session_id)
+{
+	//this is only needed in case of outgoing ad-hoc/group chat sessions
+	LLChicletPanel* chiclet_panel = getChicletPanel();
+	if (chiclet_panel)
+	{
+		//it should be ad-hoc im chiclet or group im chiclet
+		LLChiclet* chiclet = chiclet_panel->findChiclet<LLChiclet>(old_session_id);
+		if (chiclet) chiclet->setSessionId(new_session_id);
+	}
+}
+
+S32 LLBottomTray::getTotalUnreadIMCount()
+{
+	return getChicletPanel()->getTotalUnreadIMCount();
+}
+
+// virtual
+void LLBottomTray::onChange(EStatusType status, const std::string &channelURI, bool proximal)
+{
+	// Time it takes to connect to voice channel might be pretty long,
+	// so don't expect user login or STATUS_VOICE_ENABLED to be followed by STATUS_JOINED.
+	BOOL enable = FALSE;
+
+	switch (status)
+	{
+	// Do not add STATUS_VOICE_ENABLED because voice chat is 
+	// inactive until STATUS_JOINED
+	case STATUS_JOINED:
+		enable = TRUE;
+		break;
+	default:
+		enable = FALSE;
+		break;
+	}
+
+	// We have to enable/disable right and left parts of speak button separately (EXT-4648)
+	mSpeakBtn->setSpeakBtnEnabled(enable);
+	// skipped to avoid button blinking
+	if (status != STATUS_JOINING && status!= STATUS_LEFT_CHANNEL)
+	{
+		mSpeakBtn->setFlyoutBtnEnabled(LLVoiceClient::getInstance()->voiceEnabled() && LLVoiceClient::getInstance()->isVoiceWorking());
+	}
+}
+
+void LLBottomTray::onMouselookModeOut()
+{
+	mIsInLiteMode = false;
+	mBottomTrayLite->setVisible(FALSE);
+	mNearbyChatBar->getChatBox()->setText(mBottomTrayLite->mNearbyChatBar->getChatBox()->getText());
+	setVisible(TRUE);
+}
+
+void LLBottomTray::onMouselookModeIn()
+{
+	setVisible(FALSE);
+
+	// Attach the lite bottom tray
+	if (getParent() && mBottomTrayLite->getParent() != getParent())
+		getParent()->addChild(mBottomTrayLite);
+
+	mBottomTrayLite->setShape(getLocalRect());
+	mBottomTrayLite->mNearbyChatBar->getChatBox()->setText(mNearbyChatBar->getChatBox()->getText());
+	mBottomTrayLite->mGesturePanel->setVisible(gSavedSettings.getBOOL("ShowGestureButton"));
+
+	mIsInLiteMode = true;
+}
+
+//virtual
+// setVisible used instead of onVisibilityChange, since LLAgent calls it on entering/leaving mouselook mode.
+// If bottom tray is already visible in mouselook mode, then onVisibilityChange will not be called from setVisible(true),
+void LLBottomTray::setVisible(BOOL visible)
+{
+	if (mIsInLiteMode)
+	{
+		mBottomTrayLite->setVisible(visible);
+	}
+	else 
+	{
+		LLPanel::setVisible(visible);
+	}
+}
+
+S32 LLBottomTray::notifyParent(const LLSD& info)
+{
+	if(info.has("well_empty")) // implementation of EXT-3397
+	{
+		const std::string chiclet_name = info["well_name"];
+
+		// only "im_well" or "notification_well" names are expected.
+		// They are set in panel_bottomtray.xml in <chiclet_im_well> & <chiclet_notification>
+		llassert("im_well" == chiclet_name || "notification_well" == chiclet_name);
+
+		BOOL should_be_visible = !info["well_empty"];
+		showWellButton("im_well" == chiclet_name ? RS_IM_WELL : RS_NOTIFICATION_WELL, should_be_visible);
+		return 1;
+	}
+
+	if (info.has("action") && info["action"] == "resize")
+	{
+		const std::string& name = info["view_name"];
+
+		// expected only resize of nearby chatbar
+		if (mChatBarContainer->getName() != name) return LLPanel::notifyParent(info);
+
+		const S32 new_width = info["new_width"];
+
+		processChatbarCustomization(new_width);
+
+		return 2;
+	}
+	return LLPanel::notifyParent(info);
+}
+
+void LLBottomTray::showBottomTrayContextMenu(S32 x, S32 y, MASK mask)
+{
+	// We should show BottomTrayContextMenu in last  turn
+	if (mBottomTrayContextMenu && !LLMenuGL::sMenuContainer->getVisibleMenu())
+	{
+		    //there are no other context menu (IM chiclet etc ), so we can show BottomTrayContextMenu
+
+		    updateContextMenu(x, y, mask);
+			mBottomTrayContextMenu->buildDrawLabels();
+			mBottomTrayContextMenu->updateParent(LLMenuGL::sMenuContainer);
+			LLMenuGL::showPopup(this, mBottomTrayContextMenu, x, y);
+		
+	}
+}
+
+void LLBottomTray::updateContextMenu(S32 x, S32 y, MASK mask)
+{
+	LLUICtrl* edit_box = mNearbyChatBar->getChild<LLUICtrl>("chat_box");
+
+	S32 local_x = x - mChatBarContainer->getRect().mLeft - edit_box->getRect().mLeft;
+	S32 local_y = y - mChatBarContainer->getRect().mBottom - edit_box->getRect().mBottom;
+
+	bool in_edit_box = edit_box->pointInView(local_x, local_y);
+
+	mBottomTrayContextMenu->setItemVisible("Separator", in_edit_box);
+	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Cut", in_edit_box);
+	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Copy", in_edit_box);
+	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Paste", in_edit_box);
+	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Delete", in_edit_box);
+	mBottomTrayContextMenu->setItemVisible("NearbyChatBar_Select_All", in_edit_box);
+}
+
+void LLBottomTray::showGestureButton(BOOL visible)
+{
+	setTrayButtonVisibleIfPossible(RS_BUTTON_GESTURES, visible);
+}
+
+void LLBottomTray::showMoveButton(BOOL visible)
+{
+	setTrayButtonVisibleIfPossible(RS_BUTTON_MOVEMENT, visible);
+}
+
+void LLBottomTray::showCameraButton(BOOL visible)
+{
+	setTrayButtonVisibleIfPossible(RS_BUTTON_CAMERA, visible);
+}
+
+void LLBottomTray::showSnapshotButton(BOOL visible)
+{
+	setTrayButtonVisibleIfPossible(RS_BUTTON_SNAPSHOT, visible);
+}
+
+void LLBottomTray::showSpeakButton(bool visible)
+{
+	// Show/hide the button
+	setTrayButtonVisible(RS_BUTTON_SPEAK, visible);
+
+	// and adjust other panels according to the occupied/freed space.
+	const S32 panel_width = mSpeakPanel->getRect().getWidth();
+	if (visible)
+	{
+		processWidthDecreased(-panel_width);
+	}
+	else
+	{
+		processWidthIncreased(panel_width);
+	}
+}
+
+void LLBottomTray::toggleMovementControls()
+{
+	if (mMovementButton)
+		mMovementButton->onCommit();
+}
+
+void LLBottomTray::toggleCameraControls()
+{
+	if (mCamButton)
+		mCamButton->onCommit();
+}
+
+BOOL LLBottomTray::postBuild()
+{
+	LLHints::registerHintTarget("bottom_tray", LLView::getHandle());
+	LLHints::registerHintTarget("dest_guide_btn", getChild<LLUICtrl>("destination_btn")->getHandle());
+	LLHints::registerHintTarget("avatar_picker_btn", getChild<LLUICtrl>("avatar_btn")->getHandle());
+
+	LLUICtrl::CommitCallbackRegistry::currentRegistrar().add("NearbyChatBar.Action", boost::bind(&LLBottomTray::onContextMenuItemClicked, this, _2));
+	LLUICtrl::EnableCallbackRegistry::currentRegistrar().add("NearbyChatBar.EnableMenuItem", boost::bind(&LLBottomTray::onContextMenuItemEnabled, this, _2));
+
+	mBottomTrayContextMenu =  LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>("menu_bottomtray.xml", gMenuHolder, LLViewerMenuHolderGL::child_registry_t::instance());
+	gMenuHolder->addChild(mBottomTrayContextMenu);
+
+	mNearbyChatBar = findChild<LLNearbyChatBar>("chat_bar");
+	LLHints::registerHintTarget("chat_bar", mNearbyChatBar->LLView::getHandle());
+
+	mChatBarContainer = getChild<LLLayoutPanel>("chat_bar_layout_panel");
+	mNearbyCharResizeHandlePanel = getChild<LLPanel>("chat_bar_resize_handle_panel");
+
+	mToolbarStack = getChild<LLLayoutStack>("toolbar_stack");
+	mMovementButton = getChild<LLButton>("movement_btn");
+	LLHints::registerHintTarget("move_btn", mMovementButton->getHandle());
+	mCamButton = getChild<LLButton>("camera_btn");
+	setRightMouseDownCallback(boost::bind(&LLBottomTray::showBottomTrayContextMenu,this, _2, _3,_4));
+
+	mSpeakPanel = getChild<LLPanel>("speak_panel");
+	mSpeakBtn = getChild<LLSpeakButton>("talk");
+
+	// Both parts of speak button should be initially disabled because
+	// it takes some time between logging in to world and connecting to voice channel.
+	mSpeakBtn->setSpeakBtnEnabled(false);
+	mSpeakBtn->setFlyoutBtnEnabled(false);
+
+	// Localization tool doesn't understand custom buttons like <talk_button>
+	mSpeakBtn->setSpeakToolTip( getString("SpeakBtnToolTip") );
+	mSpeakBtn->setShowToolTip( getString("VoiceControlBtnToolTip") );
+
+	// Registering Chat Bar to receive Voice client status change notifications.
+	LLVoiceClient::getInstance()->addObserver(this);
+
+	mNearbyChatBar->getChatBox()->setContextMenu(NULL);
+
+	mChicletPanel = getChild<LLChicletPanel>("chiclet_list");
+
+	initResizeStateContainers();
+
+	setButtonsControlsAndListeners();
+
+	initButtonsVisibility();
+
+	// update wells visibility:
+	showWellButton(RS_IM_WELL, !LLIMWellWindow::getInstance()->isWindowEmpty());
+	showWellButton(RS_NOTIFICATION_WELL, !LLNotificationWellWindow::getInstance()->isWindowEmpty());
+
+	loadButtonsOrder();
+
+	LLViewerParcelMgr::getInstance()->addAgentParcelChangedCallback(boost::bind(&update_build_button_enable_state));
+
+	return TRUE;
+}
+
+//Drag-n-drop
+
+void LLBottomTray::onDraggableButtonMouseDown(LLUICtrl* ctrl, S32 x, S32 y)
+{
+	if (ctrl == NULL) return;
+	LLView* parent_view = ctrl->getParent();
+	if(parent_view != NULL)
+	{
+		// we actually drag'n'drop panel (not button) in code, so have to find a parent
+		// of button which called this method on mouse down.
+		LLPanel* parent = dynamic_cast<LLPanel*>(parent_view);
+		// It may happen that we clicked not usual button, but button inside widget(speak, gesture)
+		// so we'll need to get a level higher to reach layout panel as a parent.
+		if(parent == NULL) parent = dynamic_cast<LLPanel*>(parent_view->getParent());
+		if (parent && parent->getVisible())
+		{
+			mDraggedItem = parent;
+			mCheckForDrag = true;
+			mStartX = x;
+			mStartY = y;
+		}
+	}
+}
+
+LLPanel* LLBottomTray::findChildPanelByLocalCoords(S32 x, S32 y)
+{
+	LLPanel* ctrl = 0;
+	S32 screenX, screenY;
+	const child_list_t* list = mToolbarStack->getChildList();
+
+	localPointToScreen(x, y, &screenX, &screenY);
+
+	// look for a child panel which contains the point (screenX, screenY) in it's rectangle
+	for (child_list_const_iter_t i = list->begin(); i != list->end(); ++i)
+	{
+		LLRect rect;
+		localRectToScreen((*i)->getRect(), &rect);
+
+		if (rect.pointInRect(screenX, screenY))
+		{
+			ctrl = dynamic_cast<LLPanel*>(*i);
+			break;
+		}
+	}
+
+	return ctrl;
+}
+
+void LLBottomTray::onDraggableButtonHover(S32 x, S32 y)
+{
+	// if mouse down on draggable item was done, check whether we should start DnD
+	if (mCheckForDrag)
+	{
+		// Start drag'n'drop if mouse cursor was dragged away frome mouse down location enough
+		if(sqrt((float)((mStartX-x)*(mStartX-x)+(mStartY-y)*(mStartY-y))) > DRAG_START_DISTANCE)
+		{
+			mDragStarted = true;
+			mCheckForDrag = false;
+		}
+	}
+	if (mDragStarted)
+	{
+		// Check whether the cursor is over draggable area, find which panel it is and set is as
+		// landing tab for drag'n'drop
+		if(isCursorOverDraggableArea(x, y))
+		{
+			LLPanel* panel = findChildPanelByLocalCoords(x,y);
+			if (panel && panel != mDraggedItem) mLandingTab = panel;
+			gViewerWindow->getWindow()->setCursor(UI_CURSOR_ARROWDRAG);
+		}
+		else
+		{
+			gViewerWindow->getWindow()->setCursor(UI_CURSOR_NO);
+		}
+	}
+	else
+	{
+		// Reset cursor in case you move your mouse from the drag handle to a button.
+		getWindow()->setCursor(UI_CURSOR_ARROW);
+
+	}
+}
+
+bool LLBottomTray::isCursorOverDraggableArea(S32 x, S32 y)
+{
+	// Draggable area lasts from the nearby chat input resize handle
+	// to the chiclet area (exlusively).
+	bool result = getRect().pointInRect(x, y);
+	result = result && mNearbyCharResizeHandlePanel->calcScreenRect().mRight < x;
+	result = result && mChicletPanel->calcScreenRect().mRight > x;
+	return result;
+}
+
+void LLBottomTray::updateButtonsOrdersAfterDnD()
+{
+	// *TODO: change implementation of this method to support simplify it
+	// (and according to future possible changes in the way button order is saved between sessions).
+	state_object_map_t::const_iterator it = mStateProcessedObjectMap.begin();
+	state_object_map_t::const_iterator it_end = mStateProcessedObjectMap.end();
+	EResizeState dragged_state = RS_NORESIZE;
+	EResizeState landing_state = RS_NORESIZE;
+	bool landing_state_found = false;
+	// Find states for dragged item and landing tab
+	for (; it != it_end; ++it)
+	{
+		if (it->second == mDraggedItem)
+		{
+			dragged_state = it->first;
+		}
+		else if (it->second == mLandingTab)
+		{
+			landing_state = it->first;
+			landing_state_found = true;
+		}
+	}
+
+	if (dragged_state == RS_NORESIZE)
+	{
+		llwarns << "Cannot determine what button is being dragged" << llendl;
+		llassert(dragged_state != RS_NORESIZE);
+		return;
+	}
+
+	lldebugs << "Will place " << resizeStateToString(dragged_state)
+		<< " before " << resizeStateToString(landing_state) << llendl;
+
+	// Update order of buttons according to drag'n'drop
+	mButtonsOrder.erase(std::find(mButtonsOrder.begin(), mButtonsOrder.end(), dragged_state));
+	if (!landing_state_found && mLandingTab == getChild<LLPanel>(PANEL_CHICLET_NAME))
+	{
+		mButtonsOrder.push_back(dragged_state);
+	}
+	else
+	{
+		if (!landing_state_found) landing_state = RS_BUTTON_SPEAK; // just a random fallback
+		mButtonsOrder.insert(std::find(mButtonsOrder.begin(), mButtonsOrder.end(), landing_state), dragged_state);
+	}
+
+	// Synchronize button process order with their order
+	resize_state_vec_t::const_iterator it1 = mButtonsOrder.begin();
+	const resize_state_vec_t::const_iterator it_end1 = mButtonsOrder.end();
+	resize_state_vec_t::iterator it2 = mButtonsProcessOrder.begin();
+	for (; it1 != it_end1; ++it1)
+	{
+		// Skip Speak because it is not in mButtonsProcessOrder(it's the reason why mButtonsOrder was introduced).
+		// If any other draggable items will be added to bottomtray later, they should also be skipped here.
+		if (*it1 != RS_BUTTON_SPEAK)
+		{
+			*it2 = *it1;
+			++it2;
+		}
+	}
+
+	saveButtonsOrder();
+}
+
+void LLBottomTray::saveButtonsOrder()
+{
+	std::string user_dir = gDirUtilp->getLindenUserDir();
+	if (user_dir.empty()) return;
+	
+	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);
+	LLSD settings_llsd;
+	int i = 0;
+	const resize_state_vec_t::const_iterator it_end = mButtonsOrder.end();
+	// we use numbers as keys for map which is saved in file and contains resize states as its values
+	for (resize_state_vec_t::const_iterator it = mButtonsOrder.begin(); it != it_end; ++it, i++)
+	{
+		std::string str = llformat("%d", i);
+		settings_llsd[str] = *it;		
+	}
+	llofstream file;
+	file.open(filename);
+	LLSDSerialize::toPrettyXML(settings_llsd, file);
+}
+
+void LLBottomTray::loadButtonsOrder()
+{
+	// load per-resident sorting information
+	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_SL_ACCOUNT, SORTING_DATA_FILE_NAME);
+
+	LLSD settings_llsd;
+	llifstream file;
+	file.open(filename);
+	if (!file.is_open()) return;
+	
+	LLSDSerialize::fromXML(settings_llsd, file);
+	
+
+	mButtonsOrder.clear();
+	mButtonsProcessOrder.clear();
+	int i = 0;
+	// getting button order from file
+	for (LLSD::map_const_iterator iter = settings_llsd.beginMap();
+		iter != settings_llsd.endMap(); ++iter, ++i)
+	{
+		std::string str = llformat("%d", i);
+		EResizeState state = (EResizeState)settings_llsd[str].asInteger();
+		mButtonsOrder.push_back(state);
+		// RS_BUTTON_SPEAK is skipped, because it shouldn't be in mButtonsProcessOrder (it does not hide or shrink).
+		if (state != RS_BUTTON_SPEAK)
+		{
+			mButtonsProcessOrder.push_back(state);
+		}		
+	}
+
+	// There are other panels in layout stack order of which is not saved. Also, panels order of which is saved,
+	// are already in layout stack but in wrong order. The most convenient way to place them is moving them 
+	// to front one by one (because in this case we don't have to pass the panel before which we want to insert our
+	// panel to movePanel()). So panels are moved in order from the end of mButtonsOrder vector(reverse iterator is used).
+	const resize_state_vec_t::const_reverse_iterator it_end = mButtonsOrder.rend();
+	// placing panels in layout stack according to button order which we loaded in previous for
+	for (resize_state_vec_t::const_reverse_iterator it = mButtonsOrder.rbegin(); it != it_end; ++it, ++i)
+	{
+		LLPanel* panel_to_move = getButtonPanel(*it);
+		mToolbarStack->movePanel(panel_to_move, NULL, true); // prepend 		
+	}
+	// Nearbychat is not stored in order settings file, but it must be the first of the panels, so moving it
+	// (along with its drag handle) manually here.
+	mToolbarStack->movePanel(getChild<LLLayoutPanel>("chat_bar_resize_handle_panel"), NULL, true);
+	mToolbarStack->movePanel(mChatBarContainer, NULL, true);
+}
+
+void LLBottomTray::onDraggableButtonMouseUp(LLUICtrl* ctrl, S32 x, S32 y)
+{
+	//if mouse up happened over area where drop is possible, change order of buttons
+	if (mLandingTab != NULL && mDraggedItem != NULL && mDragStarted)
+	{
+		if(isCursorOverDraggableArea(x, y))
+		{
+			// change order of panels in layout stack
+			mToolbarStack->movePanel(mDraggedItem, (LLPanel*)mLandingTab);
+			// change order of buttons in order vectors
+			updateButtonsOrdersAfterDnD();
+		}
+	}
+	gViewerWindow->getWindow()->setCursor(UI_CURSOR_ARROW);
+	mDragStarted = false;
+	mDraggedItem = NULL;
+	mLandingTab = NULL;
+	mCheckForDrag = false;
+}
+
+void LLBottomTray::draw()
+{
+	LLPanel::draw();
+	if (mLandingTab)
+	{
+		static S32 w = mImageDragIndication->getWidth();
+		static S32 h = mImageDragIndication->getHeight();
+		LLRect rect = mLandingTab->calcScreenRect();
+		mImageDragIndication->draw(rect.mLeft - w/2, rect.getHeight(), w, h);
+	}
+	getChild<LLButton>("show_profile_btn")->setToggleState(LLAvatarActions::profileVisible(gAgent.getID()));
+
+	LLPanel* panel = LLSideTray::getInstance()->getPanel("panel_people");
+	if (panel && panel->isInVisibleChain())
+	{
+		getChild<LLButton>("show_people_button")->setToggleState(true);
+	}
+	else
+	{
+		getChild<LLButton>("show_people_button")->setToggleState(false);
+	}
+
+	LLFloater* help_browser = (LLFloaterReg::findInstance("help_browser"));
+	bool help_floater_visible = (help_browser && help_browser->isInVisibleChain());
+
+	getChild<LLButton>("show_help_btn")->setToggleState(help_floater_visible);
+
+
+}
+
+bool LLBottomTray::onContextMenuItemEnabled(const LLSD& userdata)
+{
+	std::string item = userdata.asString();
+	LLLineEditor* edit_box = mNearbyChatBar->findChild<LLLineEditor>("chat_box");
+	
+	if (item == "can_cut")
+	{
+		return edit_box->canCut();
+	}
+	else if (item == "can_copy")
+	{
+		return edit_box->canCopy();
+	}
+	else if (item == "can_paste")
+	{
+		return edit_box->canPaste();
+	}
+	else if (item == "can_delete")
+	{
+		return edit_box->canDoDelete();
+	}
+	else if (item == "can_select_all")
+	{
+		return edit_box->canSelectAll() && (edit_box->getLength()>0);
+	}
+	return true;
+}
+
+
+void LLBottomTray::onContextMenuItemClicked(const LLSD& userdata)
+{
+	std::string item = userdata.asString();
+	LLLineEditor* edit_box = mNearbyChatBar->findChild<LLLineEditor>("chat_box");
+
+	if (item == "cut")
+	{
+		edit_box->cut();
+	}
+	else if (item == "copy")
+	{
+		edit_box->copy();
+	}
+	else if (item == "paste")
+	{
+		edit_box->paste();
+		edit_box->setFocus(TRUE);
+	}
+	else if (item == "delete")
+	{
+		edit_box->doDelete();
+	}
+	else if (item == "select_all")
+	{
+		edit_box->selectAll();
+	}
+}
+
+void LLBottomTray::log(LLView* panel, const std::string& descr)
+{
+	if (NULL == panel) return;
+	LLView* layout = panel->getParent();
+	lldebugs << descr << ": "
+		<< "panel: " << panel->getName()
+		<< ", rect: " << panel->getRect()
+ 
+ 
+		<< "layout: " << layout->getName()
+		<< ", rect: " << layout->getRect()
+		<< llendl
+		; 
+}
+
+void LLBottomTray::reshape(S32 width, S32 height, BOOL called_from_parent)
+{
+	static S32 debug_calling_number = 0;
+	lldebugs << "**************************************** " << ++debug_calling_number << llendl;
+
+	S32 current_width = getRect().getWidth();
+	S32 delta_width = width - current_width;
+	lldebugs << "Reshaping: " 
+		<< ", width: " << width
+		<< ", cur width: " << current_width
+		<< ", delta_width: " << delta_width
+		<< ", called_from_parent: " << called_from_parent
+		<< llendl;
+
+	if (mNearbyChatBar)			log(mNearbyChatBar, "before");
+	if (mChicletPanel)			log(mChicletPanel, "before");
+
+	// stores width size on which bottom tray is less than width required by its children. EXT-991
+	static S32 extra_shrink_width = 0;
+	bool should_be_reshaped = true;
+
+	if (mChicletPanel && mToolbarStack && mNearbyChatBar)
+	{
+		// Firstly, update layout stack to ensure we deal with correct panel sizes.
+		{
+			BOOL saved_anim = mToolbarStack->getAnimate();
+			// Set chiclet panel to be autoresized by default.
+			mToolbarStack->updatePanelAutoResize(PANEL_CHICLET_NAME, TRUE);
+			// Disable animation to prevent layout updating in several frames.
+			mToolbarStack->setAnimate(FALSE);
+			// Force the updating of layout to reset panels collapse factor.
+			mToolbarStack->updateLayout();
+			// Restore animate state.
+			mToolbarStack->setAnimate(saved_anim);
+		}
+
+		// bottom tray is narrowed
+		if (delta_width < 0)
+		{
+			if (extra_shrink_width > 0)
+			{
+				// is world rect was extra shrunk and decreasing again only update this value
+				// to delta_width negative
+				extra_shrink_width -= delta_width; // use "-=" because delta_width is negative
+				should_be_reshaped = false;
+			}
+			else
+			{
+				extra_shrink_width = processWidthDecreased(delta_width);
+
+				// increase new width to extra_shrink_width value to not reshape less than bottom tray minimum
+				width += extra_shrink_width;
+			}
+		}
+		// bottom tray is widen
+		else
+		{
+			if (extra_shrink_width > delta_width)
+			{
+				// Less than minimum width is more than increasing (delta_width) 
+				// only reduce it value and make no reshape
+				extra_shrink_width -= delta_width;
+				should_be_reshaped = false;
+			}
+			else 
+			{
+				if (extra_shrink_width > 0)
+				{
+					// If we have some extra shrink width let's reduce delta_width & width
+					delta_width -= extra_shrink_width;
+					width -= extra_shrink_width;
+					extra_shrink_width = 0;
+				}
+				processWidthIncreased(delta_width);
+			}
+		}
+	}
+
+	if (should_be_reshaped)
+	{
+		lldebugs << "Reshape all children with width: " << width << llendl;
+		LLPanel::reshape(width, height, called_from_parent);
+	}
+
+	if (mNearbyChatBar)			log(mNearbyChatBar, "after");
+	if (mChicletPanel)			log(mChicletPanel, "after");
+
+
+	// Restore width of the chatbar on first reshape.
+	// we can not to do this from postBuild because reshape is called from parent view on startup
+	// creation after it and reset width according to resize logic.
+	static bool needs_restore_custom_state = true;
+	if (mChatBarContainer && needs_restore_custom_state)
+	{
+		// restore custom width of chatbar panel.
+		S32 new_width = gSavedSettings.getS32("ChatBarCustomWidth");
+		if (new_width > 0)
+		{
+			mDesiredNearbyChatWidth = new_width;
+			processChatbarCustomization(new_width);
+			mChatBarContainer->reshape(new_width, mChatBarContainer->getRect().getHeight());
+		}
+		needs_restore_custom_state = false;
+	}
+
+}
+
+S32 LLBottomTray::processWidthDecreased(S32 delta_width)
+{
+	bool still_should_be_processed = true;
+
+	const S32 chiclet_panel_width = mChicletPanel->getParent()->getRect().getWidth();
+	const S32 chiclet_panel_min_width = mChicletPanel->getMinWidth();
+
+	// There are four steps of processing width decrease. If in one of them required width was reached,
+	// further are not needed.
+	// 1. Decreasing width of chiclet panel.
+	if (chiclet_panel_width > chiclet_panel_min_width)
+	{
+		// we have some space to decrease chiclet panel
+		S32 panel_delta_min = chiclet_panel_width - chiclet_panel_min_width;
+
+		S32 delta_panel = llmin(-delta_width, panel_delta_min);
+
+		lldebugs << "delta_width: " << delta_width
+			<< ", panel_delta_min: " << panel_delta_min
+			<< ", delta_panel: " << delta_panel
+			<< llendl;
+
+		// is chiclet panel width enough to process resizing?
+		delta_width += panel_delta_min;
+
+		still_should_be_processed = delta_width < 0;
+
+		mChicletPanel->getParent()->reshape(mChicletPanel->getParent()->getRect().getWidth() - delta_panel, mChicletPanel->getParent()->getRect().getHeight());
+		log(mChicletPanel, "after processing panel decreasing via chiclet panel");
+
+		lldebugs << "RS_CHICLET_PANEL" 
+			<< ", delta_width: " << delta_width
+			<< llendl;
+	}
+
+	S32 buttons_freed_width = 0;
+	// 2. Decreasing width of buttons.
+	if (still_should_be_processed)
+	{
+		processShrinkButtons(delta_width, buttons_freed_width);
+	}
+	// 3. Decreasing width of nearby chat.
+	const S32 chatbar_panel_min_width = get_panel_min_width(mToolbarStack, mChatBarContainer);
+	const S32 chatbar_panel_width = mChatBarContainer->getRect().getWidth();
+	if (still_should_be_processed && chatbar_panel_width > chatbar_panel_min_width)
+	{
+		// we have some space to decrease chatbar panel
+		S32 panel_delta_min = chatbar_panel_width - chatbar_panel_min_width;
+
+		S32 delta_panel = llmin(-delta_width, panel_delta_min);
+
+		// whether chatbar panel width is enough to process resizing?
+		delta_width += panel_delta_min;
+
+		still_should_be_processed = delta_width < 0;
+
+		// chatbar should only be shrunk here, not stretched
+		if(delta_panel > 0)
+		{
+			mChatBarContainer->reshape(mNearbyChatBar->getRect().getWidth() - delta_panel, mChatBarContainer->getRect().getHeight());
+		}
+
+		log(mNearbyChatBar, "after processing panel decreasing via nearby chatbar panel");
+
+		lldebugs << "RS_CHATBAR_INPUT"
+			<< ", delta_panel: " << delta_panel
+			<< ", delta_width: " << delta_width
+			<< llendl;
+	}
+
+	S32 extra_shrink_width = 0;
+	// 4. Hiding buttons if needed.
+	if (still_should_be_processed)
+	{
+		processHideButtons(delta_width, buttons_freed_width);
+
+		if (delta_width < 0)
+		{
+			extra_shrink_width = -delta_width;
+			llwarns << "There is no enough width to reshape all children: " 
+				<< extra_shrink_width << llendl;
+		}
+
+		if (buttons_freed_width > 0)
+		{
+			S32 nearby_needed_width = mDesiredNearbyChatWidth - mNearbyChatBar->getRect().getWidth();
+			if (nearby_needed_width > 0)
+			{
+				S32 compensative_width = nearby_needed_width > buttons_freed_width ? buttons_freed_width : nearby_needed_width; 
+				log(mNearbyChatBar, "before applying compensative width");
+				mChatBarContainer->reshape(mChatBarContainer->getRect().getWidth() + compensative_width, mChatBarContainer->getRect().getHeight() );
+				log(mNearbyChatBar, "after applying compensative width");
+				lldebugs << buttons_freed_width << llendl;
+			}
+		}
+	}
+
+	return extra_shrink_width;
+}
+
+void LLBottomTray::processWidthIncreased(S32 delta_width)
+{
+	if (delta_width <= 0) return;
+
+	const S32 chiclet_panel_width = mChicletPanel->getParent()->getRect().getWidth();
+	static const S32 chiclet_panel_min_width = mChicletPanel->getMinWidth();
+
+	const S32 available_width_chiclet = chiclet_panel_width - chiclet_panel_min_width;
+
+	// how many room we have to show hidden buttons
+	S32 total_available_width = delta_width + available_width_chiclet;
+
+	lldebugs << "Processing extending, available width:"
+		<< ", chiclets - " << available_width_chiclet
+		<< ", total - " << total_available_width
+		<< llendl;
+
+	S32 available_width = total_available_width;
+
+	processShowButtons(available_width);
+
+	// if we have to show/extend some buttons but resized delta width is not enough...
+	S32 processed_width = total_available_width - available_width;
+	if (processed_width > delta_width)
+	{
+		// ... let's shrink nearby chat & chiclet panels
+		S32 required_to_process_width = processed_width;
+
+		// 1. use delta width of resizing
+		required_to_process_width -= delta_width;
+
+		// 2. use width available via decreasing of chiclet panel
+		if (required_to_process_width > 0)
+		{
+			mChicletPanel->getParent()->reshape(mChicletPanel->getParent()->getRect().getWidth() - required_to_process_width, mChicletPanel->getParent()->getRect().getHeight());
+			log(mChicletPanel, "after applying compensative width for chiclets: ");
+			lldebugs << required_to_process_width << llendl;
+		}
+
+	}
+
+	// shown buttons take some space, rest should be processed by nearby chatbar & chiclet panels
+	delta_width -= processed_width;
+
+
+	// how many space can nearby chatbar take?
+	S32 chatbar_panel_width_ = mChatBarContainer->getRect().getWidth();
+	if (delta_width > 0 && chatbar_panel_width_ < mDesiredNearbyChatWidth)
+	{
+		S32 delta_panel_max = mDesiredNearbyChatWidth - chatbar_panel_width_;
+		S32 delta_panel = llmin(delta_width, delta_panel_max);
+		lldebugs << "Unprocesed delta width: " << delta_width
+			<< ", can be applied to chatbar: " << delta_panel_max
+			<< ", will be applied: " << delta_panel
+			<< llendl;
+
+		delta_width -= delta_panel_max;
+		mChatBarContainer->reshape(chatbar_panel_width_ + delta_panel, mChatBarContainer->getRect().getHeight());
+		log(mNearbyChatBar, "applied unprocessed delta width");
+	}
+	if (delta_width > 0)
+	{
+		processExtendButtons(delta_width);
+	}
+}
+
+void LLBottomTray::processShowButtons(S32& available_width)
+{
+	// process buttons from left to right
+	resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();
+	const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();
+
+	for (; it != it_end; ++it)
+	{
+		// is there available space?
+		if (available_width <= 0) break;
+
+		// try to show next button
+		processShowButton(*it, available_width);
+	}
+}
+
+bool LLBottomTray::processShowButton(EResizeState shown_object_type, S32& available_width)
+{
+	lldebugs << "Trying to show object type: " << shown_object_type << llendl;
+
+	LLPanel* panel = getButtonPanel(shown_object_type);
+	if (NULL == panel)
+	{
+		lldebugs << "There is no object to process for state: " << shown_object_type << llendl;
+		return false;
+	}
+	bool can_be_shown = canButtonBeShown(shown_object_type);
+	if (can_be_shown)
+	{
+		//validate if we have enough room to show this button
+		const S32 required_width = panel->getRect().getWidth();
+		can_be_shown = available_width >= required_width;
+		if (can_be_shown)
+		{
+			available_width -= required_width;
+
+			setTrayButtonVisible(shown_object_type, true);
+
+			lldebugs << "processed object type: " << shown_object_type
+				<< ", rest available width: " << available_width
+				<< llendl;
+			mResizeState &= ~shown_object_type;
+		}
+	}
+	return can_be_shown;
+}
+
+void LLBottomTray::processHideButtons(S32& required_width, S32& buttons_freed_width)
+{
+	// process buttons from right to left
+	resize_state_vec_t::const_reverse_iterator it = mButtonsProcessOrder.rbegin();
+	const resize_state_vec_t::const_reverse_iterator it_end = mButtonsProcessOrder.rend();
+
+	for (; it != it_end; ++it)
+	{
+		// is it still necessary to hide a button?
+		if (required_width >= 0) break;
+
+		// try to hide next button
+		processHideButton(*it, required_width, buttons_freed_width);
+	}
+}
+
+void LLBottomTray::processHideButton(EResizeState processed_object_type, S32& required_width, S32& buttons_freed_width)
+{
+	lldebugs << "Trying to hide object type: " << processed_object_type << llendl;
+	LLPanel* panel = getButtonPanel(processed_object_type);
+	if (NULL == panel)
+	{
+		lldebugs << "There is no object to process for state: " << processed_object_type << llendl;
+		return;
+	}
+
+	if (panel->getVisible())
+	{
+		required_width += panel->getRect().getWidth();
+
+		if (required_width > 0)
+		{
+			buttons_freed_width += required_width;
+		}
+
+		setTrayButtonVisible(processed_object_type, false);
+
+		mResizeState |= processed_object_type;
+
+		lldebugs << "processing object type: " << processed_object_type
+			<< ", buttons_freed_width: " << buttons_freed_width
+			<< llendl;
+	}
+}
+
+void LLBottomTray::processShrinkButtons(S32& required_width, S32& buttons_freed_width)
+{
+	// process buttons from right to left
+	resize_state_vec_t::const_reverse_iterator it = mButtonsProcessOrder.rbegin();
+	const resize_state_vec_t::const_reverse_iterator it_end = mButtonsProcessOrder.rend();
+
+	// iterate through buttons in the mButtonsProcessOrder first
+	for (; it != it_end; ++it)
+	{
+		// is it still necessary to hide a button?
+		if (required_width >= 0) break;
+
+		// try to shrink next button
+		processShrinkButton(*it, required_width);
+	}
+
+	// then shrink Speak button
+	if (required_width < 0)
+	{
+		S32 panel_min_width = 0;
+		std::string panel_name = mSpeakPanel->getName();
+		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width);
+		if (!success)
+		{
+			lldebugs << "Panel was not found to get its min width: " << panel_name << llendl;
+		}
+		else
+		{
+			S32 panel_width = mSpeakPanel->getRect().getWidth();
+			S32 possible_shrink_width = panel_width - panel_min_width;
+
+			if (possible_shrink_width > 0)
+			{
+				mSpeakBtn->setLabelVisible(false);
+				mSpeakPanel->reshape(panel_width - possible_shrink_width, mSpeakPanel->getRect().getHeight());
+
+				required_width += possible_shrink_width;
+
+				if (required_width > 0)
+				{
+					buttons_freed_width += required_width;
+				}
+
+				lldebugs << "Shrunk Speak button panel: " << panel_name
+					<< ", shrunk width: " << possible_shrink_width
+					<< ", rest width to process: " << required_width
+					<< llendl;
+			}
+		}
+	}
+}
+
+void LLBottomTray::processShrinkButton(EResizeState processed_object_type, S32& required_width)
+{
+	LLPanel* panel = getButtonPanel(processed_object_type);
+	if (NULL == panel)
+	{
+		lldebugs << "There is no object to process for type: " << processed_object_type << llendl;
+		return;
+	}
+
+	if (panel->getVisible())
+	{
+		S32 panel_width = panel->getRect().getWidth();
+		S32 panel_min_width = 0;
+		std::string panel_name = panel->getName();
+		bool success = mToolbarStack->getPanelMinSize(panel_name, &panel_min_width);
+		S32 possible_shrink_width = panel_width - panel_min_width;
+
+		if (!success)
+		{
+			lldebugs << "Panel was not found to get its min width: " << panel_name << llendl;
+		}
+		// we have some space to free by shrinking the button
+		else if (possible_shrink_width > 0)
+		{
+			// let calculate real width to shrink
+
+			// 1. apply all possible width
+			required_width += possible_shrink_width;
+
+			// 2. it it is too much... 
+			if (required_width > 0)
+			{
+				// reduce applied shrunk width to the excessive value.
+				possible_shrink_width -= required_width;
+				required_width = 0;
+			}
+			panel->reshape(panel_width - possible_shrink_width, panel->getRect().getHeight());
+
+			lldebugs << "Shrunk panel: " << panel_name
+				<< ", shrunk width: " << possible_shrink_width
+				<< ", rest width to process: " << required_width
+				<< llendl;
+		}
+	}
+}
+
+
+void LLBottomTray::processExtendButtons(S32& available_width)
+{
+	// do not allow extending any buttons if we have some buttons hidden via resize
+	if (mResizeState & RS_BUTTONS_CAN_BE_HIDDEN) return;
+
+	// process buttons from left to right
+	resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();
+	const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();
+
+	// iterate through buttons in the mButtonsProcessOrder first
+	for (; it != it_end; ++it)
+	{
+		// is there available space?
+		if (available_width <= 0) break;
+
+		// try to extend next button
+		processExtendButton(*it, available_width);
+	}
+
+	const S32 chiclet_panel_width = mChicletPanel->getParent()->getRect().getWidth();
+	static const S32 chiclet_panel_min_width = mChicletPanel->getMinWidth();
+	const S32 available_width_chiclet = chiclet_panel_width - chiclet_panel_min_width;
+
+	// then try to extend Speak button
+	if (available_width > 0 || available_width_chiclet > 0)
+	{
+		S32 panel_max_width = mObjectDefaultWidthMap[RS_BUTTON_SPEAK];
+		S32 panel_width = mSpeakPanel->getRect().getWidth();
+		S32 possible_extend_width = panel_max_width - panel_width;
+
+		if (possible_extend_width >= 0 && possible_extend_width <= available_width + available_width_chiclet)  // HACK: this button doesn't change size so possible_extend_width will be 0
+		{
+			mSpeakBtn->setLabelVisible(true);
+			mSpeakPanel->reshape(panel_max_width, mSpeakPanel->getRect().getHeight());
+			log(mSpeakBtn, "speak button is extended");
+
+			if( available_width > possible_extend_width)
+			{
+				available_width -= possible_extend_width;
+			}
+			else
+			{
+				S32 required_width = possible_extend_width - available_width;
+				available_width = 0;
+				mChicletPanel->getParent()->reshape(mChicletPanel->getParent()->getRect().getWidth() - required_width, mChicletPanel->getParent()->getRect().getHeight());
+			}
+			lldebugs << "Extending Speak button panel: " << mSpeakPanel->getName()
+				<< ", extended width: " << possible_extend_width
+				<< ", rest width to process: " << available_width
+				<< llendl;
+		}
+	}
+}
+
+void LLBottomTray::processExtendButton(EResizeState processed_object_type, S32& available_width)
+{
+	LLPanel* panel = getButtonPanel(processed_object_type);
+	if (NULL == panel)
+	{
+		lldebugs << "There is no object to process for type: " << processed_object_type << llendl;
+		return;
+	}
+
+	if (!panel->getVisible()) return;
+
+	S32 panel_max_width = mObjectDefaultWidthMap[processed_object_type];
+	S32 panel_width = panel->getRect().getWidth();
+	S32 possible_extend_width = panel_max_width - panel_width;
+
+	if (possible_extend_width > 0)
+	{
+		// let calculate real width to extend
+
+		// 1. apply all possible width
+		available_width -= possible_extend_width;
+
+		// 2. it it is too much... 
+		if (available_width < 0)
+		{
+			// reduce applied extended width to the excessive value.
+			possible_extend_width += available_width;
+			available_width = 0;
+		}
+		panel->reshape(panel_width + possible_extend_width, panel->getRect().getHeight());
+
+		lldebugs << "Extending panel: " << panel->getName()
+			<< ", extended width: " << possible_extend_width
+			<< ", rest width to process: " << available_width
+			<< llendl;
+	}
+}
+
+bool LLBottomTray::canButtonBeShown(EResizeState processed_object_type) const
+{
+	// 0. Check if passed button was previously hidden on resize
+	bool can_be_shown = mResizeState & processed_object_type;
+	if (can_be_shown)
+	{
+		// Yes, it was. Lets now check that all buttons before it (that can be hidden on resize)
+		// are already shown
+
+		// process buttons in direct order (from left to right)
+		resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();
+		const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();
+
+		// 1. Find and accumulate all buttons types before one passed into the method.
+		MASK buttons_before_mask = RS_NORESIZE;
+		for (; it != it_end; ++it)
+		{
+			const EResizeState button_type = *it;
+			if (button_type == processed_object_type) break;
+
+			buttons_before_mask |= button_type;
+		}
+
+		// 2. Check if some previous buttons are still hidden on resize
+		can_be_shown = !(buttons_before_mask & mResizeState);
+	}
+	return can_be_shown;
+}
+
+void LLBottomTray::initResizeStateContainers()
+{
+	// init map with objects should be processed for each type
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_SPEAK, getChild<LLPanel>("speak_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_GESTURES, getChild<LLPanel>("gesture_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_MOVEMENT, getChild<LLPanel>("movement_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_CAMERA, getChild<LLPanel>("cam_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_SNAPSHOT, getChild<LLPanel>("snapshot_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_BUILD, getChild<LLPanel>("build_btn_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_SEARCH, getChild<LLPanel>("search_btn_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_WORLD_MAP, getChild<LLPanel>("world_map_btn_panel")));
+	mStateProcessedObjectMap.insert(std::make_pair(RS_BUTTON_MINI_MAP, getChild<LLPanel>("mini_map_btn_panel")));
+
+	// init an order of processed buttons
+	mButtonsProcessOrder.push_back(RS_BUTTON_GESTURES);
+	mButtonsProcessOrder.push_back(RS_BUTTON_MOVEMENT);
+	mButtonsProcessOrder.push_back(RS_BUTTON_CAMERA);
+	mButtonsProcessOrder.push_back(RS_BUTTON_SNAPSHOT);
+	mButtonsProcessOrder.push_back(RS_BUTTON_BUILD);
+	mButtonsProcessOrder.push_back(RS_BUTTON_SEARCH);
+	mButtonsProcessOrder.push_back(RS_BUTTON_WORLD_MAP);
+	mButtonsProcessOrder.push_back(RS_BUTTON_MINI_MAP);
+
+	mButtonsOrder.push_back(RS_BUTTON_SPEAK);
+	mButtonsOrder.insert(mButtonsOrder.end(), mButtonsProcessOrder.begin(), mButtonsProcessOrder.end());
+
+	// init default widths
+
+	// process buttons that can be hidden on resize...
+	resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();
+	const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();
+
+	for (; it != it_end; ++it)
+	{
+		const EResizeState button_type = *it;
+		// is there an appropriate object?
+		LLPanel* button_panel = getButtonPanel(button_type);
+		if (!button_panel) continue;
+
+		// set default width for it.
+		mObjectDefaultWidthMap[button_type] = button_panel->getRect().getWidth();
+	}
+
+	// ... and add Speak button because it also can be shrunk.
+	mObjectDefaultWidthMap[RS_BUTTON_SPEAK]	   = mSpeakPanel->getRect().getWidth();
+}
+
+// this method must be called before restoring of the chat entry field on startup
+// because it resets chatbar's width according to resize logic.
+void LLBottomTray::initButtonsVisibility()
+{
+	setVisibleAndFitWidths(RS_BUTTON_SPEAK, gSavedSettings.getBOOL("EnableVoiceChat"));
+	setVisibleAndFitWidths(RS_BUTTON_GESTURES, gSavedSettings.getBOOL("ShowGestureButton"));
+	setVisibleAndFitWidths(RS_BUTTON_MOVEMENT, gSavedSettings.getBOOL("ShowMoveButton"));
+	setVisibleAndFitWidths(RS_BUTTON_CAMERA, gSavedSettings.getBOOL("ShowCameraButton"));
+	setVisibleAndFitWidths(RS_BUTTON_SNAPSHOT, gSavedSettings.getBOOL("ShowSnapshotButton"));
+	setVisibleAndFitWidths(RS_BUTTON_BUILD, gSavedSettings.getBOOL("ShowBuildButton"));
+	setVisibleAndFitWidths(RS_BUTTON_SEARCH, gSavedSettings.getBOOL("ShowSearchButton"));
+	setVisibleAndFitWidths(RS_BUTTON_WORLD_MAP, gSavedSettings.getBOOL("ShowWorldMapButton"));
+	setVisibleAndFitWidths(RS_BUTTON_MINI_MAP, gSavedSettings.getBOOL("ShowMiniMapButton"));
+}
+
+void LLBottomTray::setButtonsControlsAndListeners()
+{
+	gSavedSettings.getControl("EnableVoiceChat")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SPEAK, _2));
+	gSavedSettings.getControl("ShowGestureButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_GESTURES, _2));
+	gSavedSettings.getControl("ShowMoveButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_MOVEMENT, _2));
+	gSavedSettings.getControl("ShowCameraButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_CAMERA, _2));
+	gSavedSettings.getControl("ShowSnapshotButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SNAPSHOT, _2));
+	gSavedSettings.getControl("ShowBuildButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_BUILD, _2));
+	gSavedSettings.getControl("ShowSearchButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_SEARCH, _2));
+	gSavedSettings.getControl("ShowWorldMapButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_WORLD_MAP, _2));
+	gSavedSettings.getControl("ShowMiniMapButton")->getSignal()->connect(boost::bind(&LLBottomTray::toggleShowButton, RS_BUTTON_MINI_MAP, _2));
+
+
+	LLButton* build_btn = getChild<LLButton>("build_btn");
+	// set control name for Build button. It is not enough to link it with Button.SetFloaterToggle in xml
+	std::string vis_control_name = LLFloaterReg::declareVisibilityControl("build");
+	// Set the button control value (toggle state) to the floater visibility control (Sets the value as well)
+	build_btn->setControlVariable(LLFloater::getControlGroup()->getControl(vis_control_name));
+}
+
+bool LLBottomTray::toggleShowButton(LLBottomTray::EResizeState button_type, const LLSD& new_visibility)
+{
+	if (LLBottomTray::instanceExists())
+	{
+		LLBottomTray::getInstance()->setTrayButtonVisibleIfPossible(button_type, new_visibility.asBoolean());
+	}
+	return true;
+}
+
+void LLBottomTray::setTrayButtonVisible(EResizeState shown_object_type, bool visible)
+{
+	LLPanel* panel = getButtonPanel(shown_object_type);
+	if (NULL == panel)
+	{
+		lldebugs << "There is no object to show for state: " << shown_object_type << llendl;
+		return;
+	}
+
+	panel->setVisible(visible);
+}
+
+void LLBottomTray::setTrayButtonVisibleIfPossible(EResizeState shown_object_type, bool visible, bool raise_notification)
+{
+	if (!setVisibleAndFitWidths(shown_object_type, visible) && visible && raise_notification)
+	{
+		LLNotificationsUtil::add("BottomTrayButtonCanNotBeShown",
+								 LLSD(),
+								 LLSD(),
+								 LLNotificationFunctorRegistry::instance().DONOTHING);
+	}
+}
+
+bool LLBottomTray::setVisibleAndFitWidths(EResizeState object_type, bool visible)
+{
+	// The Speak button is treated specially: if voice is enabled,
+	// the button should be displayed no matter how much space we've got.
+	if (object_type == RS_BUTTON_SPEAK)
+	{
+		showSpeakButton(visible);
+		return true;
+	}
+
+	LLPanel* cur_panel = getButtonPanel(object_type);
+	if (NULL == cur_panel)
+	{
+		lldebugs << "There is no object to process for state: " << object_type << llendl;
+		return false;
+	}
+
+	bool is_set = true;
+
+	if (visible)
+	{
+		// Assume that only chiclet panel can be auto-resized
+		const S32 available_width =
+			mChicletPanel->getParent()->getRect().getWidth() - mChicletPanel->getMinWidth();
+
+		S32 preferred_width = mObjectDefaultWidthMap[object_type];
+		S32 current_width = cur_panel->getRect().getWidth();
+		S32 result_width = 0;
+		bool decrease_width = false;
+
+		// Mark this button to be shown
+		mResizeState |= object_type;
+
+		if (preferred_width > 0 && available_width >= preferred_width)
+		{
+			result_width = preferred_width;
+		}
+		else if (available_width >= current_width)
+		{
+			result_width = current_width;
+		}
+		else
+		{
+			// Calculate the possible shrunk width as difference between current and minimal widths
+			const S32 chatbar_shrunk_width =
+				mChatBarContainer->getRect().getWidth() - get_panel_min_width(mToolbarStack, mChatBarContainer);
+
+			S32 sum_of_min_widths = get_panel_min_width(mToolbarStack, mSpeakPanel);
+			S32 sum_of_curr_widths = get_curr_width(mSpeakPanel);
+
+			resize_state_vec_t::const_iterator it = mButtonsProcessOrder.begin();
+			const resize_state_vec_t::const_iterator it_end = mButtonsProcessOrder.end();
+
+			for (; it != it_end; ++it)
+			{
+				LLPanel* cur_panel = getButtonPanel(*it);
+				sum_of_min_widths += get_panel_min_width(mToolbarStack, cur_panel);
+				sum_of_curr_widths += get_curr_width(cur_panel);
+			}
+
+			const S32 possible_shrunk_width =
+				chatbar_shrunk_width + (sum_of_curr_widths - sum_of_min_widths);
+
+			// Minimal width of current panel
+			S32 minimal_width = 0;
+			mToolbarStack->getPanelMinSize(cur_panel->getName(), &minimal_width);
+
+			if ( (available_width + possible_shrunk_width) >= minimal_width)
+			{
+				// There is enough space for minimal width, but set the result_width
+				// to preferred_width so buttons widths decreasing will be done in predefined order
+				result_width = (preferred_width > 0) ? preferred_width : current_width;
+				decrease_width = true;
+			}
+			else
+			{
+				// Nothing can be done, give up...
+				return false;
+			}
+		}
+
+		if (result_width != current_width)
+		{
+			cur_panel->reshape(result_width, cur_panel->getRect().getHeight());
+			current_width = result_width;
+		}
+
+		is_set = processShowButton(object_type, current_width);
+
+		// Shrink buttons if needed
+		if (is_set && decrease_width)
+		{
+			processWidthDecreased( -result_width);
+		}
+	}
+	else
+	{
+		const S32 delta_width = get_curr_width(cur_panel);
+
+		setTrayButtonVisible(object_type, false);
+
+		// Mark button NOT to show while future bottom tray extending
+		mResizeState &= ~object_type;
+
+		// Extend other buttons if need
+		if (delta_width)
+		{
+			processWidthIncreased(delta_width);
+		}
+	}
+	return is_set;
+}
+
+LLPanel* LLBottomTray::getButtonPanel(EResizeState button_type)
+{
+	// Don't use the operator[] because it inserts a NULL value if the key is not found.
+	if (mStateProcessedObjectMap.count(button_type) == 0)
+	{
+		llwarns << "Cannot find a panel for " << resizeStateToString(button_type) << llendl;
+		llassert(mStateProcessedObjectMap.count(button_type) == 1);
+		return NULL;
+	}
+
+	return mStateProcessedObjectMap[button_type];
+}
+
+void LLBottomTray::showWellButton(EResizeState object_type, bool visible)
+{
+	llassert( ((RS_NOTIFICATION_WELL | RS_IM_WELL) & object_type) == object_type );
+
+	const std::string panel_name = RS_IM_WELL == object_type ? "im_well_panel" : "notification_well_panel";
+
+	LLView * panel = getChild<LLView>(panel_name);
+
+	// if necessary visibility is set nothing to do here
+	if (panel->getVisible() == (BOOL)visible) return;
+
+	S32 panel_width = panel->getRect().getWidth();
+	panel->setVisible(visible);
+
+	if (visible)
+	{
+		// method assumes that input param is a negative value
+		processWidthDecreased(-panel_width);
+	}
+	else
+	{
+		processWidthIncreased(panel_width);
+	}
+}
+
+void LLBottomTray::processChatbarCustomization(S32 new_width)
+{
+	if (NULL == mNearbyChatBar) return;
+
+	const S32 delta_width = mChatBarContainer->getRect().getWidth() - new_width;
+
+	if (delta_width == 0) return;
+
+	mDesiredNearbyChatWidth = new_width;
+
+	LLView * chiclet_layout_panel = mChicletPanel->getParent();
+	const S32 chiclet_min_width = get_panel_min_width(mToolbarStack, chiclet_layout_panel);
+	const S32 chiclet_panel_width = chiclet_layout_panel->getRect().getWidth();
+	const S32 available_chiclet_shrink_width = chiclet_panel_width - chiclet_min_width;
+	llassert(available_chiclet_shrink_width >= 0);
+
+	if (delta_width > 0) // panel gets narrowly
+	{
+		S32 total_possible_width = delta_width + available_chiclet_shrink_width;
+		processShowButtons(total_possible_width);
+		processExtendButtons(total_possible_width);
+	}
+	// here (delta_width < 0) // panel gets wider
+	else //if (-delta_width > available_chiclet_shrink_width)
+	{
+		S32 required_width = delta_width + available_chiclet_shrink_width;
+		S32 buttons_freed_width = 0;
+		processShrinkButtons(required_width, buttons_freed_width);
+		processHideButtons(required_width, buttons_freed_width);
+	}
+}
+
+// static
+std::string LLBottomTray::resizeStateToString(EResizeState state)
+{
+	switch (state)
+	{
+	case RS_NORESIZE:				return "RS_NORESIZE";
+	case RS_CHICLET_PANEL:			return "RS_CHICLET_PANEL";
+	case RS_CHATBAR_INPUT:			return "RS_CHATBAR_INPUT";
+	case RS_BUTTON_SNAPSHOT:		return "RS_BUTTON_SNAPSHOT";
+	case RS_BUTTON_CAMERA:			return "RS_BUTTON_CAMERA";
+	case RS_BUTTON_MOVEMENT:		return "RS_BUTTON_MOVEMENT";
+	case RS_BUTTON_GESTURES:		return "RS_BUTTON_GESTURES";
+	case RS_BUTTON_SPEAK:			return "RS_BUTTON_SPEAK";
+	case RS_IM_WELL:				return "RS_IM_WELL";
+	case RS_NOTIFICATION_WELL:		return "RS_NOTIFICATION_WELL";
+	case RS_BUTTON_BUILD:			return "RS_BUTTON_BUILD";
+	case RS_BUTTON_SEARCH:			return "RS_BUTTON_SEARCH";
+	case RS_BUTTON_WORLD_MAP:		return "RS_BUTTON_WORLD_MAP";
+	case RS_BUTTON_MINI_MAP:		return "RS_BUTTON_MINI_MAP";
+	case RS_BUTTONS_CAN_BE_HIDDEN:	return "RS_BUTTONS_CAN_BE_HIDDEN";
+	// No default to track additions.
+	}
+	return "UNKNOWN_BUTTON";
+}
+
+//EOF