llfloaterpreference.cpp

/** 
 * @file llfloaterpreference.cpp
 * @brief Global preferences with and without persistence.
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

/*
 * App-wide preferences.  Note that these are not per-user,
 * because we need to load many preferences before we have
 * a login name.
 */

#include "llviewerprecompiledheaders.h"

#include "llfloaterpreference.h"

#include "message.h"
#include "llfloaterautoreplacesettings.h"
#include "llagent.h"
#include "llagentcamera.h"
#include "llcheckboxctrl.h"
#include "llcolorswatch.h"
#include "llcombobox.h"
#include "llcommandhandler.h"
#include "lldiriterator.h"
#include "lldirpicker.h"
#include "lleventtimer.h"
#include "llfeaturemanager.h"
#include "llfilepicker.h"
#include "llfocusmgr.h"
//#include "llfirstuse.h"
#include "llfloaterreg.h"
#include "llfloaterabout.h"
#include "llfavoritesbar.h"
#include "llfloatersidepanelcontainer.h"
#include "llfloaterimsession.h"
#include "llkeyboard.h"
#include "llmodaldialog.h"
#include "llnavigationbar.h"
#include "llfloaterimnearbychat.h"
#include "llnotifications.h"
#include "llnotificationsutil.h"
#include "llnotificationtemplate.h"
#include "llpanellogin.h"
#include "llpanelvoicedevicesettings.h"
#include "llradiogroup.h"
#include "llsearchcombobox.h"
#include "llsky.h"
#include "llscrolllistctrl.h"
#include "llscrolllistitem.h"
#include "llsliderctrl.h"
#include "lltabcontainer.h"
#include "lltrans.h"
#include "llviewercontrol.h"
#include "llviewercamera.h"
#include "llviewereventrecorder.h"
#include "llviewermessage.h"
#include "llviewerwindow.h"
#include "llviewershadermgr.h"
#include "llviewerthrottle.h"
#include "llvoavatarself.h"
#include "llvotree.h"
#include "llvosky.h"
#include "llfloaterpathfindingconsole.h"
// linden library includes
#include "llavatarnamecache.h"
#include "llerror.h"
#include "llfontgl.h"
#include "llrect.h"
#include "llstring.h"
#include "alunzip.h"

// project includes

#include "llbutton.h"
#include "llflexibleobject.h"
#include "lllineeditor.h"
#include "llresmgr.h"
#include "llspinctrl.h"
#include "llstartup.h"
#include "lltextbox.h"
#include "llui.h"
#include "llversioninfo.h"
#include "llviewerobjectlist.h"
#include "llvoavatar.h"
#include "llvovolume.h"
#include "llwindow.h"
#include "llworld.h"
#include "pipeline.h"
#include "lluictrlfactory.h"
#include "llviewermedia.h"
#include "llpluginclassmedia.h"
#include "llteleporthistorystorage.h"
#include "llproxy.h"
#include "llweb.h"
// [RLVa:KB] - Checked: 2010-03-18 (RLVa-1.2.0a)
#include "rlvactions.h"
// [/RLVa:KB]

#include "lllogininstance.h"        // to check if logged in yet
#include "llsdserialize.h"
#include "llpresetsmanager.h"
#include "llviewercontrol.h"
#include "llpresetsmanager.h"
#include "llfeaturemanager.h"
#include "llviewertexturelist.h"

#include <nlohmann/json.hpp>
#include <utility>

#include "llsearchableui.h"

const F32 BANDWIDTH_UPDATER_TIMEOUT = 0.5f;
char const* const VISIBILITY_DEFAULT = "default";
char const* const VISIBILITY_HIDDEN = "hidden";

//control value for middle mouse as talk2push button
const static std::string MIDDLE_MOUSE_CV = "MiddleMouse"; // for voice client and redability
const static std::string MOUSE_BUTTON_4_CV = "MouseButton4";
const static std::string MOUSE_BUTTON_5_CV = "MouseButton5";

/// This must equal the maximum value set for the IndirectMaxComplexity slider in panel_preferences_graphics1.xml
static const U32 INDIRECT_MAX_ARC_OFF = 101; // all the way to the right == disabled
static const U32 MIN_INDIRECT_ARC_LIMIT = 1; // must match minimum of IndirectMaxComplexity in panel_preferences_graphics1.xml
static const U32 MAX_INDIRECT_ARC_LIMIT = INDIRECT_MAX_ARC_OFF-1; // one short of all the way to the right...

/// These are the effective range of values for RenderAvatarMaxComplexity
static const F32 MIN_ARC_LIMIT =  20000.0f;
static const F32 MAX_ARC_LIMIT = 350000.0f;
static const F32 MIN_ARC_LOG = log(MIN_ARC_LIMIT);
static const F32 MAX_ARC_LOG = log(MAX_ARC_LIMIT);
static const F32 ARC_LIMIT_MAP_SCALE = (MAX_ARC_LOG - MIN_ARC_LOG) / (MAX_INDIRECT_ARC_LIMIT - MIN_INDIRECT_ARC_LIMIT);

struct LabelDef : public LLInitParam::Block<LabelDef>
{
    Mandatory<std::string> name;
    Mandatory<std::string> value;

    LabelDef()
        : name("name"),
        value("value")
    {}
};

struct LabelTable : public LLInitParam::Block<LabelTable>
{
    Multiple<LabelDef> labels;
    LabelTable()
        : labels("label")
    {}
};

const std::string DEFAULT_SKIN = "alchemy";


typedef enum e_skin_type
{
	SYSTEM_SKIN,
	USER_SKIN
} ESkinType;

typedef struct skin_t
{
	std::string mName = "Unknown";
	std::string mAuthor = "Unknown";
	std::string mUrl = "Unknown";
	LLDate mDate = LLDate(0.0);
	std::string mCompatVer = "Unknown";
	std::string mNotes = LLStringUtil::null;
	ESkinType mType = USER_SKIN;
	
} skin_t;

// global functions 

// helper functions for getting/freeing the web browser media
// if creating/destroying these is too slow, we'll need to create
// a static member and update all our static callbacks

void handleNameTagOptionChanged(const LLSD& newvalue);	
void handleDisplayNamesOptionChanged(const LLSD& newvalue);	
bool callback_clear_browser_cache(const LLSD& notification, const LLSD& response);
bool callback_clear_cache(const LLSD& notification, const LLSD& response);

//bool callback_skip_dialogs(const LLSD& notification, const LLSD& response, LLFloaterPreference* floater);
//bool callback_reset_dialogs(const LLSD& notification, const LLSD& response, LLFloaterPreference* floater);

void fractionFromDecimal(F32 decimal_val, S32& numerator, S32& denominator);

bool callback_clear_cache(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	if ( option == 0 ) // YES
	{
		// flag client texture cache for clearing next time the client runs
		gSavedSettings.setBOOL("PurgeCacheOnNextStartup", TRUE);
		LLNotificationsUtil::add("CacheWillClear");
	}

	return false;
}

bool callback_clear_browser_cache(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	if ( option == 0 ) // YES
	{
		// clean web
		LLViewerMedia::getInstance()->clearAllCaches();
		LLViewerMedia::getInstance()->clearAllCookies();
		
		// clean nav bar history
		LLNavigationBar::getInstance()->clearHistoryCache();
		
		// flag client texture cache for clearing next time the client runs
		gSavedSettings.setBOOL("PurgeCacheOnNextStartup", TRUE);
		LLNotificationsUtil::add("CacheWillClear");

		LLSearchHistory::getInstance()->clearHistory();
		LLSearchHistory::getInstance()->save();
		LLSearchComboBox* search_ctrl = LLNavigationBar::getInstance()->getChild<LLSearchComboBox>("search_combo_box");
		search_ctrl->clearHistory();

		LLTeleportHistoryStorage::getInstance()->purgeItems();
		LLTeleportHistoryStorage::getInstance()->save();
	}
	
	return false;
}

void handleNameTagOptionChanged(const LLSD& newvalue)
{
	LLAvatarNameCache::getInstance()->setUseUsernames(gSavedSettings.getBOOL("NameTagShowUsernames"));
	LLVOAvatar::invalidateNameTags();
}

void handleDisplayNamesOptionChanged(const LLSD& newvalue)
{
	LLAvatarNameCache::getInstance()->setUseDisplayNames(newvalue.asBoolean());
	LLVOAvatar::invalidateNameTags();
}

void handleAppearanceCameraMovementChanged(const LLSD& newvalue)
{
	if(!newvalue.asBoolean() && gAgentCamera.getCameraMode() == CAMERA_MODE_CUSTOMIZE_AVATAR)
	{
		gAgentCamera.changeCameraToDefault();
		gAgentCamera.resetView();
	}
}

void fractionFromDecimal(F32 decimal_val, S32& numerator, S32& denominator)
{
	numerator = 0;
	denominator = 0;
	for (F32 test_denominator = 1.f; test_denominator < 30.f; test_denominator += 1.f)
	{
		if (fmodf((decimal_val * test_denominator) + 0.01f, 1.f) < 0.02f)
		{
			numerator = ll_round(decimal_val * test_denominator);
			denominator = ll_round(test_denominator);
			break;
		}
	}
}
// static
std::string LLFloaterPreference::sSkin = "";
//////////////////////////////////////////////
// LLFloaterPreference

LLFloaterPreference::LLFloaterPreference(const LLSD& key)
	: LLFloater(key),
	mGotPersonalInfo(false),
	mOriginalIMViaEmail(false),
	mLanguageChanged(false),
	mAvatarDataInitialized(false)
{
	LLConversationLog::instance().addObserver(this);

	//Build Floater is now Called from 	LLFloaterReg::add("preferences", "floater_preferences.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLFloaterPreference>);
	
	static bool registered_dialog = false;
	if (!registered_dialog)
	{
		LLFloaterReg::add("keybind_dialog", "floater_select_key.xml", (LLFloaterBuildFunc)&LLFloaterReg::build<LLSetKeyBindDialog>);
		registered_dialog = true;
	}
	
	mCommitCallbackRegistrar.add("Pref.Cancel",				boost::bind(&LLFloaterPreference::onBtnCancel, this, _2));
	mCommitCallbackRegistrar.add("Pref.OK",					boost::bind(&LLFloaterPreference::onBtnOK, this, _2));
	
	mCommitCallbackRegistrar.add("Pref.ClearCache",				boost::bind(&LLFloaterPreference::onClickClearCache, this));
	mCommitCallbackRegistrar.add("Pref.WebClearCache",			boost::bind(&LLFloaterPreference::onClickBrowserClearCache, this));
	mCommitCallbackRegistrar.add("Pref.SetCache",				boost::bind(&LLFloaterPreference::onClickSetCache, this));
	mCommitCallbackRegistrar.add("Pref.ResetCache",				boost::bind(&LLFloaterPreference::onClickResetCache, this));
	mCommitCallbackRegistrar.add("Pref.SetSounds",				boost::bind(&LLFloaterPreference::onClickSetSounds, this));
	mCommitCallbackRegistrar.add("Pref.ClickEnablePopup",		boost::bind(&LLFloaterPreference::onClickEnablePopup, this));
	mCommitCallbackRegistrar.add("Pref.ClickDisablePopup",		boost::bind(&LLFloaterPreference::onClickDisablePopup, this));	
	mCommitCallbackRegistrar.add("Pref.LogPath",				boost::bind(&LLFloaterPreference::onClickLogPath, this));
	mCommitCallbackRegistrar.add("Pref.RenderExceptions",       boost::bind(&LLFloaterPreference::onClickRenderExceptions, this));
	mCommitCallbackRegistrar.add("Pref.HardwareDefaults",		boost::bind(&LLFloaterPreference::setHardwareDefaults, this));
	mCommitCallbackRegistrar.add("Pref.AvatarImpostorsEnable",	boost::bind(&LLFloaterPreference::onAvatarImpostorsEnable, this));
	mCommitCallbackRegistrar.add("Pref.UpdateIndirectMaxComplexity",	boost::bind(&LLFloaterPreference::updateMaxComplexity, this));
    mCommitCallbackRegistrar.add("Pref.RenderOptionUpdate",     boost::bind(&LLFloaterPreference::onRenderOptionEnable, this));
	mCommitCallbackRegistrar.add("Pref.WindowedMod",			boost::bind(&LLFloaterPreference::onCommitWindowedMode, this));
	mCommitCallbackRegistrar.add("Pref.UpdateSliderText",		boost::bind(&LLFloaterPreference::refreshUI,this));
	mCommitCallbackRegistrar.add("Pref.QualityPerformance",		boost::bind(&LLFloaterPreference::onChangeQuality, this, _2));
	mCommitCallbackRegistrar.add("Pref.applyUIColor",			boost::bind(&LLFloaterPreference::applyUIColor, this ,_1, _2));
	mCommitCallbackRegistrar.add("Pref.getUIColor",				boost::bind(&LLFloaterPreference::getUIColor, this ,_1, _2));
	mCommitCallbackRegistrar.add("Pref.MaturitySettings",		boost::bind(&LLFloaterPreference::onChangeMaturity, this));
	mCommitCallbackRegistrar.add("Pref.BlockList",				boost::bind(&LLFloaterPreference::onClickBlockList, this));
	mCommitCallbackRegistrar.add("Pref.Proxy",					boost::bind(&LLFloaterPreference::onClickProxySettings, this));
	mCommitCallbackRegistrar.add("Pref.TranslationSettings",	boost::bind(&LLFloaterPreference::onClickTranslationSettings, this));
	mCommitCallbackRegistrar.add("Pref.AutoReplace",            boost::bind(&LLFloaterPreference::onClickAutoReplace, this));
	mCommitCallbackRegistrar.add("Pref.PermsDefault",           boost::bind(&LLFloaterPreference::onClickPermsDefault, this));
	mCommitCallbackRegistrar.add("Pref.RememberedUsernames",    boost::bind(&LLFloaterPreference::onClickRememberedUsernames, this));
	mCommitCallbackRegistrar.add("Pref.SpellChecker",           boost::bind(&LLFloaterPreference::onClickSpellChecker, this));
	mCommitCallbackRegistrar.add("Pref.Advanced",				boost::bind(&LLFloaterPreference::onClickAdvanced, this));

	sSkin = gSavedSettings.getString("SkinCurrent");

	mCommitCallbackRegistrar.add("Pref.ClickActionChange",		boost::bind(&LLFloaterPreference::onClickActionChange, this));

	gSavedSettings.getControl("NameTagShowUsernames")->getCommitSignal()->connect(boost::bind(&handleNameTagOptionChanged,  _2));	
	gSavedSettings.getControl("NameTagShowFriends")->getCommitSignal()->connect(boost::bind(&handleNameTagOptionChanged,  _2));	
	gSavedSettings.getControl("UseDisplayNames")->getCommitSignal()->connect(boost::bind(&handleDisplayNamesOptionChanged,  _2));

	gSavedSettings.getControl("AppearanceCameraMovement")->getCommitSignal()->connect(boost::bind(&handleAppearanceCameraMovementChanged,  _2));

	LLAvatarPropertiesProcessor::getInstance()->addObserver( gAgent.getID(), this );

	mCommitCallbackRegistrar.add("Pref.ClearLog",				boost::bind(&LLConversationLog::onClearLog, &LLConversationLog::instance()));
	mCommitCallbackRegistrar.add("Pref.DeleteTranscripts",      boost::bind(&LLFloaterPreference::onDeleteTranscripts, this));
	mCommitCallbackRegistrar.add("UpdateFilter", boost::bind(&LLFloaterPreference::onUpdateFilterTerm, this, false)); // <FS:ND/> Hook up for filtering

	mCommitCallbackRegistrar.add("Pref.AddSkin", boost::bind(&LLFloaterPreference::onAddSkin, this));
	mCommitCallbackRegistrar.add("Pref.RemoveSkin", boost::bind(&LLFloaterPreference::onRemoveSkin, this));
	mCommitCallbackRegistrar.add("Pref.ApplySkin", boost::bind(&LLFloaterPreference::onApplySkin, this));
	mCommitCallbackRegistrar.add("Pref.SelectSkin", boost::bind(&LLFloaterPreference::onSelectSkin, this, _2));
}

void LLFloaterPreference::processProperties( void* pData, EAvatarProcessorType type )
{
	if ( APT_PROPERTIES == type )
	{
		const LLAvatarData* pAvatarData = static_cast<const LLAvatarData*>( pData );
		if (pAvatarData && (gAgent.getID() == pAvatarData->avatar_id) && (pAvatarData->avatar_id != LLUUID::null))
		{
			storeAvatarProperties( pAvatarData );
			processProfileProperties( pAvatarData );
		}
	}	
}

void LLFloaterPreference::storeAvatarProperties( const LLAvatarData* pAvatarData )
{
	if (LLStartUp::getStartupState() == STATE_STARTED)
	{
		mAvatarProperties.avatar_id		= pAvatarData->avatar_id;
		mAvatarProperties.image_id		= pAvatarData->image_id;
		mAvatarProperties.fl_image_id   = pAvatarData->fl_image_id;
		mAvatarProperties.about_text	= pAvatarData->about_text;
		mAvatarProperties.fl_about_text = pAvatarData->fl_about_text;
		mAvatarProperties.profile_url   = pAvatarData->profile_url;
		mAvatarProperties.flags		    = pAvatarData->flags;
		mAvatarProperties.allow_publish	= pAvatarData->flags & AVATAR_ALLOW_PUBLISH;

		mAvatarDataInitialized = true;
	}
}

void LLFloaterPreference::processProfileProperties(const LLAvatarData* pAvatarData )
{
	getChild<LLUICtrl>("online_searchresults")->setValue( (bool)(pAvatarData->flags & AVATAR_ALLOW_PUBLISH) );	
}

void LLFloaterPreference::saveAvatarProperties( void )
{
	const BOOL allowPublish = getChild<LLUICtrl>("online_searchresults")->getValue();

	if (allowPublish)
	{
		mAvatarProperties.flags |= AVATAR_ALLOW_PUBLISH;
	}

	//
	// NOTE: We really don't want to send the avatar properties unless we absolutely
	//       need to so we can avoid the accidental profile reset bug, so, if we're
	//       logged in, the avatar data has been initialized and we have a state change
	//       for the "allow publish" flag, then set the flag to its new value and send
	//       the properties update.
	//
	// NOTE: The only reason we can not remove this update altogether is because of the
	//       "allow publish" flag, the last remaining profile setting in the viewer
	//       that doesn't exist in the web profile.
	//
	if ((LLStartUp::getStartupState() == STATE_STARTED) && mAvatarDataInitialized && (allowPublish != mAvatarProperties.allow_publish))
	{
		mAvatarProperties.allow_publish = allowPublish;

		LLAvatarPropertiesProcessor::getInstance()->sendAvatarPropertiesUpdate( &mAvatarProperties );
	}
}

BOOL LLFloaterPreference::postBuild()
{
	gSavedSettings.getControl("ChatBubbleOpacity")->getSignal()->connect(boost::bind(&LLFloaterPreference::onNameTagOpacityChange, this, _2));

	gSavedSettings.getControl("PreferredMaturity")->getSignal()->connect(boost::bind(&LLFloaterPreference::onChangeMaturity, this));

	gSavedPerAccountSettings.getControl("ModelUploadFolder")->getSignal()->connect(boost::bind(&LLFloaterPreference::onChangeModelFolder, this));
	gSavedPerAccountSettings.getControl("TextureUploadFolder")->getSignal()->connect(boost::bind(&LLFloaterPreference::onChangeTextureFolder, this));
	gSavedPerAccountSettings.getControl("SoundUploadFolder")->getSignal()->connect(boost::bind(&LLFloaterPreference::onChangeSoundFolder, this));
	gSavedPerAccountSettings.getControl("AnimationUploadFolder")->getSignal()->connect(boost::bind(&LLFloaterPreference::onChangeAnimationFolder, this));

	LLTabContainer* tabcontainer = getChild<LLTabContainer>("pref core");
	if (!tabcontainer->selectTab(gSavedSettings.getS32("LastPrefTab")))
		tabcontainer->selectFirstTab();

	getChild<LLUICtrl>("cache_location")->setEnabled(FALSE); // make it read-only but selectable (STORM-227)
	std::string cache_location = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "");
	setCacheLocation(cache_location);

	getChild<LLUICtrl>("log_path_string")->setEnabled(FALSE); // make it read-only but selectable

	getChild<LLComboBox>("language_combobox")->setCommitCallback(boost::bind(&LLFloaterPreference::onLanguageChange, this));

	getChild<LLComboBox>("FriendIMOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"FriendIMOptions"));
	getChild<LLComboBox>("NonFriendIMOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"NonFriendIMOptions"));
	getChild<LLComboBox>("ConferenceIMOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"ConferenceIMOptions"));
	getChild<LLComboBox>("GroupChatOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"GroupChatOptions"));
	getChild<LLComboBox>("NearbyChatOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"NearbyChatOptions"));
	getChild<LLComboBox>("ObjectIMOptions")->setCommitCallback(boost::bind(&LLFloaterPreference::onNotificationsChange, this,"ObjectIMOptions"));

	// if floater is opened before login set default localized do not disturb message
	if (LLStartUp::getStartupState() < STATE_STARTED)
	{
		gSavedPerAccountSettings.setString("DoNotDisturbModeResponse", LLTrans::getString("DoNotDisturbModeResponseDefault"));
	}

	// set 'enable' property for 'Clear log...' button
	changed();

	LLLogChat::getInstance()->setSaveHistorySignal(boost::bind(&LLFloaterPreference::onLogChatHistorySaved, this));
	
	loadUserSkins();
	

	LLSliderCtrl* fov_slider = getChild<LLSliderCtrl>("camera_fov");
	fov_slider->setMinValue(LLViewerCamera::getInstance()->getMinView());
	fov_slider->setMaxValue(LLViewerCamera::getInstance()->getMaxView());
	
	// Hook up and init for filtering
	mFilterEdit = getChild<LLSearchEditor>("search_prefs_edit");
	mFilterEdit->setKeystrokeCallback(boost::bind(&LLFloaterPreference::onUpdateFilterTerm, this, false));

	// Load and assign label for 'default language'
	std::string user_filename = gDirUtilp->getExpandedFilename(LL_PATH_DEFAULT_SKIN, "default_languages.xml");
	std::map<std::string, std::string> labels;
	if (loadFromFilename(user_filename, labels))
	{
		std::string system_lang = gSavedSettings.getString("SystemLanguage");
		std::map<std::string, std::string>::iterator iter = labels.find(system_lang);
		if (iter != labels.end())
		{
			getChild<LLComboBox>("language_combobox")->add(iter->second, LLSD("default"), ADD_TOP, true);
		}
		else
		{
			LL_WARNS() << "Language \"" << system_lang << "\" is not in default_languages.xml" << LL_ENDL;
			getChild<LLComboBox>("language_combobox")->add("System default", LLSD("default"), ADD_TOP, true);
		}
	}
	else
	{
		LL_WARNS() << "Failed to load labels from " << user_filename << ". Using default." << LL_ENDL;
		getChild<LLComboBox>("language_combobox")->add("System default", LLSD("default"), ADD_TOP, true);
	}

	return TRUE;
}

void LLFloaterPreference::updateDeleteTranscriptsButton()
{
	std::vector<std::string> list_of_transcriptions_file_names;
	LLLogChat::getListOfTranscriptFiles(list_of_transcriptions_file_names);
	getChild<LLButton>("delete_transcripts")->setEnabled(list_of_transcriptions_file_names.size() > 0);
}

void LLFloaterPreference::onDoNotDisturbResponseChanged()
{
	// set "DoNotDisturbResponseChanged" TRUE if user edited message differs from default, FALSE otherwise
	bool response_changed_flag =
			LLTrans::getString("DoNotDisturbModeResponseDefault")
					!= getChild<LLUICtrl>("do_not_disturb_response")->getValue().asString();

	gSavedPerAccountSettings.setBOOL("DoNotDisturbResponseChanged", response_changed_flag );
}


////////////////////////////////////////////////////
// Skins panel

skin_t manifestFromJson(const std::string& filename, const ESkinType type)
{
	skin_t skin;
	nlohmann::json root;
	llifstream in;
	in.open(filename);
	if (in.is_open())
	{
        try
        {
            in >> root;
            skin.mName = root.value("name", "Unknown");
            skin.mAuthor = root.value("author", "Unknown");
            skin.mUrl = root.value("url", "Unknown");
			skin.mCompatVer = root.value("compatibility", "Unknown");
			skin.mDate = LLDate(root.value("date", LLDate::now().asString()));
			skin.mNotes = root.value("notes", "");
			// If it's a system skin, the compatability version is always the current build
			if (type == SYSTEM_SKIN)
			{
				skin.mCompatVer = LLVersionInfo::instance().getShortVersion();
			}
        } 
		catch(const nlohmann::json::exception& e)
		{
			LL_WARNS() << "Failed to parse " << filename << ": " << e.what() << LL_ENDL;
		}
		in.close();
	}
	skin.mType = type;
	return skin;
}

void LLFloaterPreference::loadUserSkins()
{
	mUserSkins.clear();
	LLDirIterator sysiter(gDirUtilp->getSkinBaseDir(), "*");
	bool found = true;
	while (found)
	{
		std::string dir;
		if ((found = sysiter.next(dir)))
		{
			const std::string& fullpath = gDirUtilp->add(gDirUtilp->getSkinBaseDir(), dir);
			if (!LLFile::isdir(fullpath)) continue; // only directories!
			
			const std::string& manifestpath = gDirUtilp->add(fullpath, "manifest.json");
			skin_t skin = manifestFromJson(manifestpath, SYSTEM_SKIN);
			
			mUserSkins.emplace(dir, skin);
		}
	}
	
	const std::string userskindir = gDirUtilp->add(gDirUtilp->getOSUserAppDir(), "skins");
	if (LLFile::isdir(userskindir))
	{
		LLDirIterator iter(userskindir, "*");
		found = true;
		while (found)
		{
			std::string dir;
			if ((found = iter.next(dir)))
			{
				const std::string& fullpath = gDirUtilp->add(userskindir, dir);
				if (!LLFile::isdir(fullpath)) continue; // only directories!

				const std::string& manifestpath = gDirUtilp->add(fullpath, "manifest.json");
				skin_t skin = manifestFromJson(manifestpath, USER_SKIN);

				mUserSkins.emplace(dir, skin);
			}
		}
	}
	reloadSkinList();
}

void LLFloaterPreference::reloadSkinList()
{
	LLScrollListCtrl* skin_list = getChild<LLScrollListCtrl>("skin_list");
	const std::string current_skin = gSavedSettings.getString("SkinCurrent");
	
	skin_list->clearRows();

	// User Downloaded Skins
	for (const auto& skin : mUserSkins)
	{
		LLSD row;
		row["id"] = skin.first;
		row["columns"][0]["value"] = skin.second.mName == "Unknown" ? skin.first : skin.second.mName;
		row["columns"][0]["font"]["style"] = current_skin == skin.first ? "BOLD" : "NORMAL";
		skin_list->addElement(row);
	}
	skin_list->setSelectedByValue(current_skin, TRUE);
	onSelectSkin(skin_list->getSelectedValue());
}

void LLFloaterPreference::onAddSkin()
{
	LLFilePicker& filepicker = LLFilePicker::instance();
	if (filepicker.getOpenFile(LLFilePicker::FFLOAD_ZIP))
	{
		const std::string& package = filepicker.getFirstFile();
		auto zip = std::make_unique<ALUnZip>(package);
		if (zip->isValid())
		{
			size_t buf_size = zip->getSizeFile("manifest.json");
			if (buf_size)
			{
				buf_size++;
				buf_size *= sizeof(char);
				auto buf = std::make_unique<char[]>(buf_size);
				zip->extractFile("manifest.json", buf.get(), buf_size);
				buf[buf_size - 1] = '\0'; // force.
				std::stringstream ss;
				ss << std::string(const_cast<const char*>(buf.get()), buf_size);
				buf.reset();
				
				nlohmann::json root;
				try
				{
                    ss >> root;
					const std::string& name = root.value("name", "Unknown");
					std::string pathname = gDirUtilp->add(gDirUtilp->getOSUserAppDir(), "skins");
					if (!gDirUtilp->fileExists(pathname))
					{
						LLFile::mkdir(pathname);
					}
					pathname = gDirUtilp->add(pathname, name);
					if (!LLFile::isdir(pathname) && (LLFile::mkdir(pathname) != 0))
					{
						LLNotificationsUtil::add("AddSkinUnpackFailed");
					}
					else if (!zip->extract(pathname))
					{
						LLNotificationsUtil::add("AddSkinUnpackFailed");
					}
					else
					{
						loadUserSkins();
						LLNotificationsUtil::add("AddSkinSuccess", LLSD().with("PACKAGE", name));
					}
				}
                catch(const nlohmann::json::exception&)
				{
					LLNotificationsUtil::add("AddSkinCantParseManifest", LLSD().with("PACKAGE", package));
				}
			}
			else
			{
				LLNotificationsUtil::add("AddSkinNoManifest", LLSD().with("PACKAGE", package));
			}
		}
	}
}

void LLFloaterPreference::onRemoveSkin()
{
	LLScrollListCtrl* skin_list = findChild<LLScrollListCtrl>("skin_list");
	if (skin_list)
	{
		LLSD args;
		args["SKIN"] = skin_list->getSelectedValue().asString();
		LLNotificationsUtil::add("ConfirmRemoveSkin", args, args,
								 boost::bind(&LLFloaterPreference::callbackRemoveSkin, this, _1, _2));
	}
}

void LLFloaterPreference::callbackRemoveSkin(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	if (option == 0) // YES
	{
		const std::string& skin = notification["payload"]["SKIN"].asString();
		std::string dir = gDirUtilp->add(gDirUtilp->getOSUserAppDir(), "skins");
		dir = gDirUtilp->add(dir, skin);
		if (gDirUtilp->deleteDirAndContents(dir) > 0)
		{
			skinmap_t::iterator iter = mUserSkins.find(skin);
			if (iter != mUserSkins.end())
				mUserSkins.erase(iter);
			// If we just deleted the current skin, reset to default. It might not even be a good
			// idea to allow this, but we'll see!
			if (gSavedSettings.getString("SkinCurrent") == skin)
			{
				gSavedSettings.setString("SkinCurrent", DEFAULT_SKIN);
			}
			LLNotificationsUtil::add("RemoveSkinSuccess", LLSD().with("SKIN", skin));
		}
		else
		{
			LLNotificationsUtil::add("RemoveSkinFailure", LLSD().with("SKIN", skin));
		}
		reloadSkinList();
	}
}

void LLFloaterPreference::callbackApplySkin(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	switch (option)
	{
		case 0:	// Yes
			gSavedSettings.setBOOL("ResetUserColorsOnLogout", TRUE);
			break;
		case 1:	// No
			gSavedSettings.setBOOL("ResetUserColorsOnLogout", FALSE);
			break;
		case 2:	// Cancel
			gSavedSettings.setString("SkinCurrent", sSkin);
			reloadSkinList();
			break;
		default:
			LL_WARNS() << "Unhandled option! How could this be?" << LL_ENDL;
			break;
	}
}

void LLFloaterPreference::onApplySkin()
{
	LLScrollListCtrl* skin_list = findChild<LLScrollListCtrl>("skin_list");
	if (skin_list)
	{
		gSavedSettings.setString("SkinCurrent", skin_list->getSelectedValue().asString());
		reloadSkinList();
	}
	if (sSkin != gSavedSettings.getString("SkinCurrent"))
	{
		LLNotificationsUtil::add("ChangeSkin", LLSD(), LLSD(),
								 boost::bind(&LLFloaterPreference::callbackApplySkin, this, _1, _2));
	}
}

void LLFloaterPreference::onSelectSkin(const LLSD& data)
{
	bool userskin = false;
	skinmap_t::iterator iter = mUserSkins.find(data.asString());
	if (iter != mUserSkins.end())
	{
		refreshSkinInfo(iter->second);
		userskin = (iter->second.mType == USER_SKIN);
	}
	getChild<LLUICtrl>("remove_skin")->setEnabled(userskin);
}

void LLFloaterPreference::refreshSkinInfo(const skin_t& skin)
{
	getChild<LLTextBase>("skin_name")->setText(skin.mName);
	getChild<LLTextBase>("skin_author")->setText(skin.mAuthor);
	getChild<LLTextBase>("skin_homepage")->setText(skin.mUrl);
	getChild<LLTextBase>("skin_date")->setText(skin.mDate.toHTTPDateString("%A, %d %b %Y"));
	getChild<LLTextBase>("skin_compatibility")->setText(skin.mCompatVer);
	getChild<LLTextBase>("skin_notes")->setText(skin.mNotes);
}

LLFloaterPreference::~LLFloaterPreference()
{
	LLConversationLog::instance().removeObserver(this);
}

void LLFloaterPreference::draw()
{
	BOOL has_first_selected = (getChildRef<LLScrollListCtrl>("disabled_popups").getFirstSelected()!=NULL);
	gSavedSettings.setBOOL("FirstSelectedDisabledPopups", has_first_selected);
	
	has_first_selected = (getChildRef<LLScrollListCtrl>("enabled_popups").getFirstSelected()!=NULL);
	gSavedSettings.setBOOL("FirstSelectedEnabledPopups", has_first_selected);
	
	LLFloater::draw();
}

void LLFloaterPreference::saveSettings()
{
	LLTabContainer* tabcontainer = getChild<LLTabContainer>("pref core");
	child_list_t::const_iterator iter = tabcontainer->getChildList()->begin();
	child_list_t::const_iterator end = tabcontainer->getChildList()->end();
	for ( ; iter != end; ++iter)
	{
		LLView* view = *iter;
		LLPanelPreference* panel = dynamic_cast<LLPanelPreference*>(view);
		if (panel)
			panel->saveSettings();
	}
}	

void LLFloaterPreference::apply()
{
	LLAvatarPropertiesProcessor::getInstance()->addObserver( gAgent.getID(), this );
	
	LLTabContainer* tabcontainer = getChild<LLTabContainer>("pref core");
	if (sSkin != gSavedSettings.getString("SkinCurrent"))
	{
		sSkin = gSavedSettings.getString("SkinCurrent");
	}
	// Call apply() on all panels that derive from LLPanelPreference
	for (child_list_t::const_iterator iter = tabcontainer->getChildList()->begin();
		 iter != tabcontainer->getChildList()->end(); ++iter)
	{
		LLView* view = *iter;
		LLPanelPreference* panel = dynamic_cast<LLPanelPreference*>(view);
		if (panel)
			panel->apply();
	}
	
	gViewerWindow->requestResolutionUpdate(); // for UIScaleFactor

	LLSliderCtrl* fov_slider = getChild<LLSliderCtrl>("camera_fov");
	fov_slider->setMinValue(LLViewerCamera::getInstance()->getMinView());
	fov_slider->setMaxValue(LLViewerCamera::getInstance()->getMaxView());
	
	std::string cache_location = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "");
	setCacheLocation(cache_location);
	
	LLViewerMedia::getInstance()->setCookiesEnabled(getChild<LLUICtrl>("cookies_enabled")->getValue());
	
	if (hasChild("web_proxy_enabled", TRUE) &&hasChild("web_proxy_editor", TRUE) && hasChild("web_proxy_port", TRUE))
	{
		bool proxy_enable = getChild<LLUICtrl>("web_proxy_enabled")->getValue();
		std::string proxy_address = getChild<LLUICtrl>("web_proxy_editor")->getValue();
		int proxy_port = getChild<LLUICtrl>("web_proxy_port")->getValue();
		LLViewerMedia::getInstance()->setProxyConfig(proxy_enable, proxy_address, proxy_port);
	}
	
	if (mGotPersonalInfo)
	{ 
		bool new_im_via_email = getChild<LLUICtrl>("send_im_to_email")->getValue().asBoolean();
		bool new_hide_online = getChild<LLUICtrl>("online_visibility")->getValue().asBoolean();		
	
		if ((new_im_via_email != mOriginalIMViaEmail)
			||(new_hide_online != mOriginalHideOnlineStatus))
		{
			// This hack is because we are representing several different 	 
			// possible strings with a single checkbox. Since most users 	 
			// can only select between 2 values, we represent it as a 	 
			// checkbox. This breaks down a little bit for liaisons, but 	 
			// works out in the end. 	 
			if (new_hide_online != mOriginalHideOnlineStatus)
			{
				if (new_hide_online) mDirectoryVisibility = VISIBILITY_HIDDEN;
				else mDirectoryVisibility = VISIBILITY_DEFAULT;
			 //Update showonline value, otherwise multiple applys won't work
				mOriginalHideOnlineStatus = new_hide_online;
			}
			gAgent.sendAgentUpdateUserInfo(new_im_via_email,mDirectoryVisibility);
		}
	}

	saveAvatarProperties();
}

void LLFloaterPreference::cancel()
{
	LLTabContainer* tabcontainer = getChild<LLTabContainer>("pref core");
	// Call cancel() on all panels that derive from LLPanelPreference
	for (child_list_t::const_iterator iter = tabcontainer->getChildList()->begin();
		iter != tabcontainer->getChildList()->end(); ++iter)
	{
		LLView* view = *iter;
		LLPanelPreference* panel = dynamic_cast<LLPanelPreference*>(view);
		if (panel)
			panel->cancel();
	}
	// hide joystick pref floater
	LLFloaterReg::hideInstance("pref_joystick");

	// hide translation settings floater
	LLFloaterReg::hideInstance("prefs_translation");
	
	// hide autoreplace settings floater
	LLFloaterReg::hideInstance("prefs_autoreplace");
	
	// hide spellchecker settings folder
	LLFloaterReg::hideInstance("prefs_spellchecker");

	// hide advanced graphics floater
	LLFloaterReg::hideInstance("prefs_graphics_advanced");
	
	// reverts any changes to current skin
	gSavedSettings.setString("SkinCurrent", sSkin);

	updateClickActionViews();

	LLFloaterPreferenceProxy * advanced_proxy_settings = LLFloaterReg::findTypedInstance<LLFloaterPreferenceProxy>("prefs_proxy");
	if (advanced_proxy_settings)
	{
		advanced_proxy_settings->cancel();
	}
	//Need to reload the navmesh if the pathing console is up
	LLHandle<LLFloaterPathfindingConsole> pathfindingConsoleHandle = LLFloaterPathfindingConsole::getInstanceHandle();
	if ( !pathfindingConsoleHandle.isDead() )
	{
		LLFloaterPathfindingConsole* pPathfindingConsole = pathfindingConsoleHandle.get();
		pPathfindingConsole->onRegionBoundaryCross();
	}

	if (!mSavedGraphicsPreset.empty())
	{
		gSavedSettings.setString("PresetGraphicActive", mSavedGraphicsPreset);
		LLPresetsManager::getInstance()->triggerChangeSignal();
	}
}

void LLFloaterPreference::onOpen(const LLSD& key)
{

	// this variable and if that follows it are used to properly handle do not disturb mode response message
	static bool initialized = FALSE;
	// if user is logged in and we haven't initialized do not disturb mode response yet, do it
	if (!initialized && LLStartUp::getStartupState() == STATE_STARTED)
	{
		// Special approach is used for do not disturb response localization, because "DoNotDisturbModeResponse" is
		// in non-localizable xml, and also because it may be changed by user and in this case it shouldn't be localized.
		// To keep track of whether do not disturb response is default or changed by user additional setting DoNotDisturbResponseChanged
		// was added into per account settings.

		// initialization should happen once,so setting variable to TRUE
		initialized = TRUE;
		// this connection is needed to properly set "DoNotDisturbResponseChanged" setting when user makes changes in
		// do not disturb response message.
		gSavedPerAccountSettings.getControl("DoNotDisturbModeResponse")->getSignal()->connect(boost::bind(&LLFloaterPreference::onDoNotDisturbResponseChanged, this));
	}
	gAgent.sendAgentUserInfoRequest();

	/////////////////////////// From LLPanelGeneral //////////////////////////
	// if we have no agent, we can't let them choose anything
	// if we have an agent, then we only let them choose if they have a choice
	bool can_choose_maturity =
		gAgent.getID().notNull() &&
		(gAgent.isMature() || gAgent.isGodlike());
	
	LLComboBox* maturity_combo = getChild<LLComboBox>("maturity_desired_combobox");
	LLAvatarPropertiesProcessor::getInstance()->sendAvatarPropertiesRequest( gAgent.getID() );
	if (can_choose_maturity)
	{		
		// if they're not adult or a god, they shouldn't see the adult selection, so delete it
		if (!gAgent.isAdult() && !gAgent.isGodlikeWithoutAdminMenuFakery())
		{
			// we're going to remove the adult entry from the combo
			LLScrollListCtrl* maturity_list = maturity_combo->findChild<LLScrollListCtrl>("ComboBox");
			if (maturity_list)
			{
				maturity_list->deleteItems(LLSD(SIM_ACCESS_ADULT));
			}
		}
		getChildView("maturity_desired_combobox")->setEnabled( true);
		getChildView("maturity_desired_textbox")->setVisible( false);
	}
	else
	{
		getChild<LLUICtrl>("maturity_desired_textbox")->setValue(maturity_combo->getSelectedItemLabel());
		getChildView("maturity_desired_combobox")->setEnabled( false);
	}

	// Forget previous language changes.
	mLanguageChanged = false;

	// Display selected maturity icons.
	onChangeMaturity();

	onChangeModelFolder();
	onChangeTextureFolder();
	onChangeSoundFolder();
	onChangeAnimationFolder();

	// Load (double-)click to walk/teleport settings.
	updateClickActionViews();
	
	// Enabled/disabled popups, might have been changed by user actions
	// while preferences floater was closed.
	buildPopupLists();


	//get the options that were checked
	onNotificationsChange("FriendIMOptions");
	onNotificationsChange("NonFriendIMOptions");
	onNotificationsChange("ConferenceIMOptions");
	onNotificationsChange("GroupChatOptions");
	onNotificationsChange("NearbyChatOptions");