/** 
* @file llbottomtray.cpp
* @brief LLBottomTray class implementation
*
* $LicenseInfo:firstyear=2009&license=viewergpl$
* 
* Copyright (c) 2009, Linden Research, Inc.
* 
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab.  Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
* 
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
* 
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
* 
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/

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

#include "llagent.h"
#include "llchiclet.h"
#include "llfloaterreg.h"
#include "llflyoutbutton.h"
#include "llnearbychatbar.h"

//FIXME: temporary, for stand up proto
#include "llselectmgr.h" 
#include "llvoavatarself.h"

LLBottomTray::LLBottomTray(const LLSD&)
	: mChicletPanel(NULL)
	, mIMWell(NULL)
	, mSysWell(NULL)
	, mTalkBtn(NULL)
	, mStandUpBtn(NULL)  ////FIXME: temporary, for stand up proto
	, mNearbyChatBar(NULL)
{
	mFactoryMap["chat_bar"] = LLCallbackMap(LLBottomTray::createNearbyChatBar, NULL);

	LLUICtrlFactory::getInstance()->buildPanel(this,"panel_bottomtray.xml");

	mChicletPanel = getChild<LLChicletPanel>("chiclet_list",TRUE,FALSE);
	mIMWell = getChild<LLNotificationChiclet>("im_well",TRUE,FALSE);
	mSysWell = getChild<LLNotificationChiclet>("sys_well",TRUE,FALSE);

	mChicletPanel->setChicletClickedCallback(boost::bind(&LLBottomTray::onChicletClick,this,_1));

	////FIXME: temporary, for stand up proto
	mStandUpBtn = getChild<LLButton> ("stand", TRUE, FALSE);
	if (mStandUpBtn)
	{
		mStandUpBtn->setCommitCallback(boost::bind(&LLBottomTray::onCommitStandUp, this, _1));
	}
	
	LLIMMgr::getInstance()->addSessionObserver(this);

	//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);

	// Necessary for focus movement among child controls
	setFocusRoot(TRUE);
}

LLBottomTray::~LLBottomTray()
{
	if (!LLSingleton<LLIMMgr>::destroyed())
	{
		LLIMMgr::getInstance()->removeSessionObserver(this);
	}
}

void LLBottomTray::onChicletClick(LLUICtrl* ctrl)
{
	LLIMChiclet* chiclet = dynamic_cast<LLIMChiclet*>(ctrl);
	if (chiclet)
	{
		// Until you can type into an IM Window and have a conversation,
		// still show the old communicate window
		LLFloaterReg::showInstance("communicate", chiclet->getSessionId());
		// DISABLED IN VIEWER-2 BRANCH UNTIL FEATURE IS DONE -- James
		//// Show after comm window so it is frontmost (and hence will not
		//// auto-hide)
		//LLIMFloater::show(chiclet->getSessionId());
	}
}

void* LLBottomTray::createNearbyChatBar(void* userdata)
{
	LLBottomTray *bt = LLBottomTray::getInstance();
	if (!bt)
		return NULL;

	bt->mNearbyChatBar = new LLNearbyChatBar();

	return bt->mNearbyChatBar;
}

//virtual
void LLBottomTray::draw()
{
	refreshStandUp();
	LLPanel::draw();
}

void LLBottomTray::refreshStandUp()
{
	//FIXME: temporary, for stand up proto
	BOOL sitting = FALSE;
	if (gAgent.getAvatarObject())
	{
		sitting = gAgent.getAvatarObject()->mIsSitting;
	}
	
	if (mStandUpBtn && mStandUpBtn->getVisible() != sitting)
	{
		mStandUpBtn->setVisible(sitting);
		sendChildToFront(mStandUpBtn);
		moveChildToBackOfTabGroup(mStandUpBtn);
	}
}

//FIXME: temporary, for stand up proto
void LLBottomTray::onCommitStandUp(LLUICtrl* ctrl)
{
	LLSelectMgr::getInstance()->deselectAllForStandingUp();
	gAgent.setControlFlags(AGENT_CONTROL_STAND_UP);
}

//virtual
void LLBottomTray::sessionAdded(const LLUUID& session_id, const std::string& name, const LLUUID& other_participant_id)
{
	if(getChicletPanel())
	{
		if(getChicletPanel()->findChiclet<LLChiclet>(session_id))
		{

		}
		else
		{
			LLIMChiclet* chiclet = getChicletPanel()->createChiclet<LLIMChiclet>(session_id);
			chiclet->setIMSessionName(name);
			chiclet->setOtherParticipantId(other_participant_id);
		}
	}
}

//virtual
void LLBottomTray::sessionRemoved(const LLUUID& session_id)
{
	if(getChicletPanel())
	{
		getChicletPanel()->removeChiclet(session_id);
	}
}

//virtual
void LLBottomTray::onFocusLost()
{
	if (gAgent.cameraMouselook())
	{
		setVisible(FALSE);
	}
}

//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)
{
	LLPanel::setVisible(visible);

	LLView* stack = getChild<LLView>("toolbar_stack",TRUE,FALSE);

	if (stack)
	{
		BOOL visibility = gAgent.cameraMouselook() ? false : true;

		for ( child_list_const_iter_t child_it = stack->getChildList()->begin(); child_it != stack->getChildList()->end(); child_it++)
		{
			LLView* viewp = *child_it;
			
			if ("chat_bar" == viewp->getName())
				continue;
			else 
			{
				viewp->setVisible(visibility);
			}
		}
	}
}