Merge

1 files changed, 1850 insertions, 1772 deletions

diff --git a/indra/newview/llbottomtray.cpp b/indra/newview/llbottomtray.cpp
index 4645a2c6e7..0c0df14ac1 100644
--- a/indra/newview/llbottomtray.cpp
+++ b/indra/newview/llbottomtray.cpp
@@ -1,1772 +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)
-	{
-	S32 screenX, screenY;
-	localPointToScreen(x, y, &screenX, &screenY);
-	// pass hover to bottomtray
-	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),
-	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::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");
-
-	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);
-		}
-	}
-}
-
-bool LLBottomTray::isCursorOverDraggableArea(S32 x, S32 y)
-{
-	bool result = getRect().pointInRect(x, y);
-	result = result && mNearbyChatBar->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();
-	// Speak button is currently the only draggable button not in mStateProcessedObjectMap,
-	// so if dragged_state is not found in that map, it should be RS_BUTTON_SPEAK. Change this code if any other
-	// exclusions from mStateProcessedObjectMap will become draggable.
-	EResizeState dragged_state = RS_BUTTON_SPEAK;
-	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;
-		}
-	}
-	
-	// 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;
-		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 = *it == RS_BUTTON_SPEAK ? mSpeakPanel : mStateProcessedObjectMap[*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
-	// manually here
-	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;
-	llassert(mStateProcessedObjectMap[shown_object_type] != NULL);
-
-	LLPanel* panel = mStateProcessedObjectMap[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;
-	llassert(mStateProcessedObjectMap[processed_object_type] != NULL);
-
-	LLPanel* panel = mStateProcessedObjectMap[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)
-{
-	llassert(mStateProcessedObjectMap[processed_object_type] != NULL);
-	LLPanel* panel = mStateProcessedObjectMap[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)
-{
-	llassert(mStateProcessedObjectMap[processed_object_type] != NULL);
-	LLPanel* panel = mStateProcessedObjectMap[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_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?
-		llassert(mStateProcessedObjectMap.count(button_type) > 0);
-		if (0 == mStateProcessedObjectMap.count(button_type)) continue;
-
-		// set default width for it.
-		mObjectDefaultWidthMap[button_type] = mStateProcessedObjectMap[button_type]->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_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("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)
-{
-	llassert(mStateProcessedObjectMap[shown_object_type] != NULL);
-	LLPanel* panel = mStateProcessedObjectMap[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)
-{
-	LLPanel* cur_panel = mStateProcessedObjectMap[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 = mStateProcessedObjectMap[*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;
-}
-
-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);
-	}
-}
-
-//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