// static
void LLPanelLogin::onUpdateStartSLURL(const LLSLURL& new_start_slurl)
{
	if (!sInstance) return;

	LL_DEBUGS("AppInit")<<new_start_slurl.asString()<<LL_ENDL;

	LLComboBox* location_combo = sInstance->getChild<LLComboBox>("start_location_combo");
	/*
	 * Determine whether or not the new_start_slurl modifies the grid.
	 *
	 * Note that some forms that could be in the slurl are grid-agnostic.,
	 * such as "home".  Other forms, such as
	 * https://grid.example.com/region/Party%20Town/20/30/5 
	 * specify a particular grid; in those cases we want to change the grid
	 * and the grid selector to match the new value.
	 */
	enum LLSLURL::SLURL_TYPE new_slurl_type = new_start_slurl.getType();
	switch ( new_slurl_type )
	{
	case LLSLURL::LOCATION:
	{
		location_combo->setCurrentByIndex( 2 );
		location_combo->setTextEntry(new_start_slurl.getLocationString());
	}
	break;
	case LLSLURL::HOME_LOCATION:
		location_combo->setCurrentByIndex( 0 );	// home location
		break;
	case LLSLURL::LAST_LOCATION:
		location_combo->setCurrentByIndex( 1 ); // last location
		break;
	default:
		LL_WARNS("AppInit")<<"invalid login slurl, using home"<<LL_ENDL;
		location_combo->setCurrentByIndex(1); // home location
		break;
	}

	updateLocationSelectorsVisibility();
}
//---------------------------------------------------------------------------
// Public methods
//---------------------------------------------------------------------------
FSPanelLogin::FSPanelLogin(const LLRect &rect,
						 void (*callback)(S32 option, void* user_data),
						 void *cb_data)
:	LLPanel(),
	mLogoImage(),
	mCallback(callback),
	mCallbackData(cb_data),
	mShowFavorites(false)
{
	setBackgroundVisible(FALSE);
	setBackgroundOpaque(TRUE);

	mPasswordModified = FALSE;
	FSPanelLogin::sInstance = this;

	LLView* login_holder = gViewerWindow->getLoginPanelHolder();
	if (login_holder)
	{
		login_holder->addChild(this);
	}

	// Logo
	mLogoImage = LLUI::getUIImage("startup_logo");

	buildFromFile( "panel_fs_login.xml");

	reshape(rect.getWidth(), rect.getHeight());
	
	LLUICtrl& mode_combo = getChildRef<LLUICtrl>("mode_combo");
	mode_combo.setValue(gSavedSettings.getString("SessionSettingsFile"));
	mode_combo.setCommitCallback(boost::bind(&FSPanelLogin::onModeChange, this, getChild<LLUICtrl>("mode_combo")->getValue(), _2));

	LLLineEditor* password_edit(getChild<LLLineEditor>("password_edit"));
	password_edit->setKeystrokeCallback(onPassKey, this);

	// change z sort of clickable text to be behind buttons
	sendChildToBack(getChildView("forgot_password_text"));

	LLComboBox* location_combo = getChild<LLComboBox>("start_location_combo");
	updateLocationSelectorsVisibility(); // separate so that it can be called from preferences
	location_combo->setFocusLostCallback(boost::bind(&FSPanelLogin::onLocationSLURL, this));
	
	LLComboBox* server_choice_combo = getChild<LLComboBox>("server_combo");
	server_choice_combo->setCommitCallback(boost::bind(&FSPanelLogin::onSelectServer, this));

	updateServer();
	if(LLStartUp::getStartSLURL().getType() != LLSLURL::LOCATION)
	{
		LLSLURL slurl(gSavedSettings.getString("LoginLocation"));
		LLStartUp::setStartSLURL(slurl);
	}

	childSetAction("remove_user_btn", onClickRemove, this);
	childSetAction("connect_btn", onClickConnect, this);
	
	getChild<LLPanel>("login")->setDefaultBtn(findChild<LLButton>("connect_btn"));
	getChild<LLPanel>("start_location_panel")->setDefaultBtn(findChild<LLButton>("connect_btn"));

	std::string channel = LLVersionInfo::getChannel();
	std::string version = llformat("%s (%d)",
								   LLVersionInfo::getShortVersion().c_str(),
								   LLVersionInfo::getBuild());
	
	LLTextBox* forgot_password_text = getChild<LLTextBox>("forgot_password_text");
	forgot_password_text->setClickedCallback(onClickForgotPassword, NULL);

	LLTextBox* create_new_account_text = getChild<LLTextBox>("create_new_account_text");
	create_new_account_text->setClickedCallback(onClickNewAccount, NULL);

	LLTextBox* grid_mgr_help_text = getChild<LLTextBox>("grid_login_text");
	grid_mgr_help_text->setClickedCallback(onClickGridMgrHelp, NULL);
	
	// get the web browser control
	LLMediaCtrl* web_browser = getChild<LLMediaCtrl>("login_html");
	web_browser->addObserver(this);

	reshapeBrowser();

	// Show last logged in user favorites in "Start at" combo.
	LLComboBox* username_combo(getChild<LLComboBox>("username_combo"));
	username_combo->setCommitCallback(boost::bind(&FSPanelLogin::onSelectUser, this));
	username_combo->setFocusLostCallback(boost::bind(&FSPanelLogin::onSelectUser, this));
	mPreviousUsername = username_combo->getValue().asString();

	LLSLURL start_slurl(LLStartUp::getStartSLURL());
	if ( !start_slurl.isSpatial() ) // has a start been established by the command line or NextLoginLocation ?
	{
	// no, so get the preference setting
		std::string defaultStartLocation = gSavedSettings.getString("LoginLocation");
		LL_INFOS("AppInit") << "default LoginLocation '" << defaultStartLocation << "'" << LL_ENDL;
		LLSLURL defaultStart(defaultStartLocation);
		if ( defaultStart.isSpatial() )
		{
			LLStartUp::setStartSLURL(defaultStart);
		}
		else
		{
			LL_INFOS("AppInit")<<"no valid LoginLocation, using home"<<LL_ENDL;
			LLSLURL homeStart(LLSLURL::SIM_LOCATION_HOME);
			LLStartUp::setStartSLURL(homeStart);
		}
	}
	else
	{
		FSPanelLogin::onUpdateStartSLURL(start_slurl); // updates grid if needed
	}
	
	loadLoginPage();
}
//---------------------------------------------------------------------------
// Public methods
//---------------------------------------------------------------------------
LLPanelLogin::LLPanelLogin(const LLRect& rect)
:	LLPanel(std::string("panel_login"), rect, FALSE),		// not bordered
	mLogoImage(LLUI::getUIImage("startup_logo.j2c"))
{
	setFocusRoot(TRUE);

	setBackgroundVisible(FALSE);
	setBackgroundOpaque(TRUE);

	LLPanelLogin::sInstance = this;

	// add to front so we are the bottom-most child
	gViewerWindow->getRootView()->addChildInBack(this);

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

	reshape(rect.getWidth(), rect.getHeight());

	LLComboBox* username_combo(getChild<LLComboBox>("username_combo"));
	username_combo->setCommitCallback(boost::bind(LLPanelLogin::onSelectLoginEntry, _1, this));
	username_combo->setFocusLostCallback(boost::bind(&LLPanelLogin::onLoginComboLostFocus, this, username_combo));
	username_combo->setPrevalidate(LLLineEditor::prevalidatePrintableNotPipe);
	username_combo->setSuppressTentative(true);
	username_combo->setSuppressAutoComplete(true);

	childSetCommitCallback("remember_name_check", onNameCheckChanged);

	LLLineEditor* password_edit(getChild<LLLineEditor>("password_edit"));
	password_edit->setKeystrokeCallback(onPassKey);
	// STEAM-14: When user presses Enter with this field in focus, initiate login
	password_edit->setCommitCallback(mungePassword, this);
	password_edit->setDrawAsterixes(TRUE);

	getChild<LLUICtrl>("remove_login")->setCommitCallback(boost::bind(&LLPanelLogin::confirmDelete, this));

	// change z sort of clickable text to be behind buttons
	sendChildToBack(getChildView("channel_text"));
	sendChildToBack(getChildView("forgot_password_text"));

	//llinfos << " url history: " << LLSDOStreamer<LLSDXMLFormatter>(LLURLHistory::getURLHistory("regionuri")) << llendl;

	LLComboBox* location_combo = getChild<LLComboBox>("start_location_combo");
	updateLocationSelectorsVisibility(); // separate so that it can be called from preferences
	location_combo->setAllowTextEntry(TRUE, 128, FALSE);
	location_combo->setFocusLostCallback( boost::bind(&LLPanelLogin::onLocationSLURL, this) );
	
	LLComboBox *server_choice_combo = getChild<LLComboBox>("grids_combo");
	server_choice_combo->setCommitCallback(boost::bind(&LLPanelLogin::onSelectGrid, _1));
	server_choice_combo->setFocusLostCallback(boost::bind(&LLPanelLogin::onSelectGrid, server_choice_combo));
	
	// Load all of the grids, sorted, and then add a bar and the current grid at the top
	updateGridCombo();

	LLSLURL start_slurl(LLStartUp::getStartSLURL());
	if ( !start_slurl.isSpatial() ) // has a start been established by the command line or NextLoginLocation ? 
	{
		// no, so get the preference setting
		std::string defaultStartLocation = gSavedSettings.getString("LoginLocation");
		LL_INFOS("AppInit")<<"default LoginLocation '"<<defaultStartLocation<<"'"<<LL_ENDL;
		LLSLURL defaultStart(defaultStartLocation);
		if ( defaultStart.isSpatial() )
		{
			LLStartUp::setStartSLURL(defaultStart);	// calls onUpdateStartSLURL
		}
		else
		{
			LL_INFOS("AppInit")<<"no valid LoginLocation, using home"<<LL_ENDL;
			LLSLURL homeStart(LLSLURL::SIM_LOCATION_HOME);
			LLStartUp::setStartSLURL(homeStart); // calls onUpdateStartSLURL
		}
	}
	else
	{
		LLPanelLogin::onUpdateStartSLURL(start_slurl); // updates grid if needed
	}


	// Also set default button for subpanels, otherwise hitting enter in text entry fields won't login
	{
		LLButton* connect_btn(findChild<LLButton>("connect_btn"));
		connect_btn->setCommitCallback(boost::bind(&LLPanelLogin::onClickConnect, this));
		setDefaultBtn(connect_btn);
		findChild<LLPanel>("name_panel")->setDefaultBtn(connect_btn);
		findChild<LLPanel>("password_panel")->setDefaultBtn(connect_btn);
		findChild<LLPanel>("grids_panel")->setDefaultBtn(connect_btn);
		findChild<LLPanel>("location_panel")->setDefaultBtn(connect_btn);
		findChild<LLPanel>("login_html")->setDefaultBtn(connect_btn);
	}

	childSetAction("grids_btn", onClickGrids, this);

	std::string channel = gVersionChannel;

	std::string version = llformat("%d.%d.%d (%d)",
		gVersionMajor,
		gVersionMinor,
		gVersionPatch,
		gVersionBuild );
	LLTextBox* channel_text = getChild<LLTextBox>("channel_text");
	channel_text->setTextArg("[CHANNEL]", channel); // though not displayed
	channel_text->setTextArg("[VERSION]", version);
	channel_text->setClickedCallback(boost::bind(&LLPanelLogin::onClickVersion,(void*)NULL));
	
	LLTextBox* forgot_password_text = getChild<LLTextBox>("forgot_password_text");
	forgot_password_text->setClickedCallback(boost::bind(&onClickForgotPassword));

	
	LLTextBox* create_new_account_text = getChild<LLTextBox>("create_new_account_text");
	create_new_account_text->setClickedCallback(boost::bind(&onClickNewAccount));

	// get the web browser control
	LLMediaCtrl* web_browser = getChild<LLMediaCtrl>("login_html");
	web_browser->addObserver(this);
	web_browser->setBackgroundColor(LLColor4::black);

	reshapeBrowser();

	refreshLoginPage();

	gHippoGridManager->setCurrentGridChangeCallback(boost::bind(&LLPanelLogin::onCurGridChange,this,_1,_2));

	// Load login history
	std::string login_hist_filepath = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "saved_logins_sg2.xml");
	mLoginHistoryData = LLSavedLogins::loadFile(login_hist_filepath);

	const LLSavedLoginsList& saved_login_entries(mLoginHistoryData.getEntries());
	for (LLSavedLoginsList::const_reverse_iterator i = saved_login_entries.rbegin();
	     i != saved_login_entries.rend(); ++i)
	{
		LLSD e = i->asLLSD();
		if (e.isMap() && gHippoGridManager->getGrid(i->getGrid()))
			username_combo->add(getDisplayString(*i), e);
	}

	if (saved_login_entries.size() > 0)
	{
		setFields(*saved_login_entries.rbegin());
	}
}
//---------------------------------------------------------------------------
// Public methods
//---------------------------------------------------------------------------
LLPanelLogin::LLPanelLogin(const LLRect &rect,
						 void (*callback)(S32 option, void* user_data),
						 void *cb_data)
:	LLPanel(std::string("panel_login"), LLRect(0,600,800,0), FALSE),		// not bordered
	mLogoImage(),
	mCallback(callback),
	mCallbackData(cb_data)
{
	setFocusRoot(TRUE);

	setBackgroundVisible(FALSE);
	setBackgroundOpaque(TRUE);

	gViewerWindow->abortShowProgress();	//Kill previous instance. It might still be alive, and if so, its probably pending
										//deletion via the progressviews idle callback. Kill it now and unregister said idle callback.

	LLPanelLogin::sInstance = this;

	// add to front so we are the bottom-most child
	gViewerWindow->getRootView()->addChildInBack(this);

	// Logo
	mLogoImage = LLUI::getUIImage("startup_logo.j2c");

	LLUICtrlFactory::getInstance()->buildPanel(this, "panel_login.xml");
	
	reshape(rect.getWidth(), rect.getHeight());

	LLComboBox* name_combo = sInstance->getChild<LLComboBox>("name_combo");
	name_combo->setCommitCallback(boost::bind(LLPanelLogin::onSelectLoginEntry, _1, this));
	name_combo->setFocusLostCallback(boost::bind(&LLPanelLogin::onLoginComboLostFocus, this, name_combo));
	name_combo->setPrevalidate(LLLineEditor::prevalidatePrintableNotPipe);
	name_combo->setSuppressTentative(true);
	name_combo->setSuppressAutoComplete(true);

	childSetCommitCallback("remember_name_check", onNameCheckChanged);

	LLLineEditor* password_edit(getChild<LLLineEditor>("password_edit"));
	password_edit->setKeystrokeCallback(onPassKey);
	// STEAM-14: When user presses Enter with this field in focus, initiate login
	password_edit->setCommitCallback(mungePassword, this);
	password_edit->setDrawAsterixes(TRUE);

	// change z sort of clickable text to be behind buttons
	sendChildToBack(getChildView("channel_text"));
	sendChildToBack(getChildView("forgot_password_text"));

	//llinfos << " url history: " << LLSDOStreamer<LLSDXMLFormatter>(LLURLHistory::getURLHistory("regionuri")) << llendl;

	LLComboBox* location_combo = getChild<LLComboBox>("start_location_combo");
	updateLocationSelectorsVisibility(); // separate so that it can be called from preferences
	location_combo->setAllowTextEntry(TRUE, 128, FALSE);
	location_combo->setFocusLostCallback( boost::bind(&LLPanelLogin::onLocationSLURL, this) );
	
	LLComboBox *server_choice_combo = getChild<LLComboBox>("grids_combo");
	server_choice_combo->setCommitCallback(boost::bind(&LLPanelLogin::onSelectGrid, _1));
	
	// Load all of the grids, sorted, and then add a bar and the current grid at the top
	updateGridCombo();

	LLSLURL start_slurl(LLStartUp::getStartSLURL());
	if ( !start_slurl.isSpatial() ) // has a start been established by the command line or NextLoginLocation ? 
	{
		// no, so get the preference setting
		std::string defaultStartLocation = gSavedSettings.getString("LoginLocation");
		LL_INFOS("AppInit")<<"default LoginLocation '"<<defaultStartLocation<<"'"<<LL_ENDL;
		LLSLURL defaultStart(defaultStartLocation);
		if ( defaultStart.isSpatial() )
		{
			LLStartUp::setStartSLURL(defaultStart);	// calls onUpdateStartSLURL
		}
		else
		{
			LL_INFOS("AppInit")<<"no valid LoginLocation, using home"<<LL_ENDL;
			LLSLURL homeStart(LLSLURL::SIM_LOCATION_HOME);
			LLStartUp::setStartSLURL(homeStart); // calls onUpdateStartSLURL
		}
	}
	else
	{
		LLPanelLogin::onUpdateStartSLURL(start_slurl); // updates grid if needed
	}

	childSetAction("connect_btn", onClickConnect, this);

	setDefaultBtn("connect_btn");

	childSetAction("grids_btn", onClickGrids, this);

	std::string channel = gVersionChannel;

	std::string version = llformat("%d.%d.%d (%d)",
		gVersionMajor,
		gVersionMinor,
		gVersionPatch,
		LL_VIEWER_BUILD );
	LLTextBox* channel_text = getChild<LLTextBox>("channel_text");
	channel_text->setTextArg("[CHANNEL]", channel); // though not displayed
	channel_text->setTextArg("[VERSION]", version);
	channel_text->setClickedCallback(boost::bind(&LLPanelLogin::onClickVersion,(void*)NULL));
	
	LLTextBox* forgot_password_text = getChild<LLTextBox>("forgot_password_text");
	forgot_password_text->setClickedCallback(boost::bind(&onClickForgotPassword));

	
	LLTextBox* create_new_account_text = getChild<LLTextBox>("create_new_account_text");
	create_new_account_text->setClickedCallback(boost::bind(&onClickNewAccount));

	// get the web browser control
	LLMediaCtrl* web_browser = getChild<LLMediaCtrl>("login_html");
	web_browser->addObserver(this);
	web_browser->setBackgroundColor(LLColor4::black);

	reshapeBrowser();

	refreshLoginPage();

	gHippoGridManager->setCurrentGridChangeCallback(boost::bind(&LLPanelLogin::onCurGridChange,this,_1,_2));
}