app.js
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app.js
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	// copyright AG Projects 2020-2021

	import React, { Component, Fragment } from 'react';
	import { Alert, View, SafeAreaView, ImageBackground, AppState, Linking, Platform, StyleSheet, Vibration, PermissionsAndroid} from 'react-native';
	import { DeviceEventEmitter, BackHandler } from 'react-native';
	import { Provider as PaperProvider, DefaultTheme } from 'react-native-paper';
	import { registerGlobals } from 'react-native-webrtc';
	import { Router, Route, Link, Switch } from 'react-router-native';
	import history from './history';
	import Logger from "../Logger";
	import autoBind from 'auto-bind';
	import { firebase } from '@react-native-firebase/messaging';
	import VoipPushNotification from 'react-native-voip-push-notification';
	import uuid from 'react-native-uuid';
	import { getUniqueId, getBundleId, isTablet, getPhoneNumber} from 'react-native-device-info';
	import RNDrawOverlay from 'react-native-draw-overlay';
	import PushNotificationIOS from "@react-native-community/push-notification-ios";
	import Contacts from 'react-native-contacts';
	import BackgroundTimer from 'react-native-background-timer';
	import DeepLinking from 'react-native-deep-linking';
	import base64 from 'react-native-base64';
	import SoundPlayer from 'react-native-sound-player';
	import RNSimpleCrypto from "react-native-simple-crypto";
	import OpenPGP from "react-native-fast-openpgp";

	registerGlobals();

	import * as sylkrtc from 'react-native-sylkrtc';
	import InCallManager from 'react-native-incall-manager';
	import RNCallKeep, { CONSTANTS as CK_CONSTANTS } from 'react-native-callkeep';

	import RegisterBox from './components/RegisterBox';
	import ReadyBox from './components/ReadyBox';
	import Call from './components/Call';
	import Conference from './components/Conference';
	import FooterBox from './components/FooterBox';
	import StatusBox from './components/StatusBox';
	import ImportPrivateKeyModal from './components/ImportPrivateKeyModal';
	import IncomingCallModal from './components/IncomingCallModal';
	import LogsModal from './components/LogsModal';
	import NotificationCenter from './components/NotificationCenter';
	import LoadingScreen from './components/LoadingScreen';
	import NavigationBar from './components/NavigationBar';
	import Preview from './components/Preview';
	import CallManager from './CallManager';
	import SQLite from 'react-native-sqlite-storage';
	//SQLite.DEBUG(true);
	SQLite.enablePromise(true);

	import xss from 'xss';
	import moment from 'moment';
	import momentFormat from 'moment-duration-format';
	import utils from './utils';
	import config from './config';
	import storage from './storage';
	var randomString = require('random-string');

	const RNFS = require('react-native-fs');
	const logfile = RNFS.DocumentDirectoryPath + '/logs.txt';

	import styles from './assets/styles/blink/root.scss';
	const backgroundImage = require('./assets/images/dark_linen.png');

	const logger = new Logger("App");

	function checkIosPermissions() {
	return new Promise(resolve => PushNotificationIOS.checkPermissions(resolve));
	}

	const KeyOptions = {
	cipher: "aes256",
	compression: "zlib",
	hash: "sha512",
	RSABits: 4096,
	compressionLevel: 5
	}


	const theme = {
	...DefaultTheme,
	dark: true,
	roundness: 2,
	colors: {
	...DefaultTheme.colors,
	primary: '#337ab7',
	// accent: '#f1c40f',
	},
	};

	const URL_SCHEMES = [
	'sylk://',
	];

	const ONE_SECOND_IN_MS = 1000;

	const VIBRATION_PATTERN = [
	1 * ONE_SECOND_IN_MS,
	1 * ONE_SECOND_IN_MS,
	4 * ONE_SECOND_IN_MS
	];


	let bundleId = `${getBundleId()}`;
	const deviceId = getUniqueId();

	const version = '1.0.0';
	const MAX_LOG_LINES = 300;


	if (Platform.OS == 'ios') {
	bundleId = `${bundleId}.${__DEV__ ? 'dev' : 'prod'}`;
	//bundleId = 'com.agprojects.sylk-ios.dev';
	}

	const mainStyle = StyleSheet.create({

	MainContainer: {
	flex: 1,
	justifyContent: 'center',
	alignItems: 'center',
	margin: 0
	}
	});


	(function() {
	if ( typeof Object.id == "undefined" ) {
	var id = 0;

	Object.id = function(o) {
	if ( o && typeof o.__uniqueid == "undefined" ) {
	Object.defineProperty(o, "__uniqueid", {
	value: ++id,
	enumerable: false,
	// This could go either way, depending on your
	// interpretation of what an "id" is
	writable: false
	});
	}

	return o ? o.__uniqueid : null;
	};
	}
	})();


	const requestCameraPermission = async () => {
	if (Platform.OS !== 'android') {
	return;
	}

	try {
	const granted = await PermissionsAndroid.request(
	PermissionsAndroid.PERMISSIONS.CAMERA,
	{
	title: "Sylk camera permission",
	message:
	"Sylk needs access to your camera " +
	"so you can have video chat.",
	buttonNeutral: "Ask Me Later",
	buttonNegative: "Cancel",
	buttonPositive: "OK"
	}
	);
	if (granted === PermissionsAndroid.RESULTS.GRANTED) {
	//console.log("You can use the camera");
	} else {
	console.log("Camera permission denied");
	}
	} catch (err) {
	console.warn(err);
	}

	try {
	const granted = await PermissionsAndroid.request(
	PermissionsAndroid.PERMISSIONS.RECORD_AUDIO,
	{
	title: "Sylk microphone permission",
	message:
	"Sylk needs access to your microphone " +
	"so you can have audio calls.",
	buttonNeutral: "Ask Me Later",
	buttonNegative: "Cancel",
	buttonPositive: "OK"
	}
	);
	if (granted === PermissionsAndroid.RESULTS.GRANTED) {
	//console.log("You can use the microphone");
	} else {
	console.log("Microphone permission denied");
	}
	} catch (err) {
	console.warn(err);
	}
	};



	class Sylk extends Component {
	constructor() {
	super();
	autoBind(this)
	this._loaded = false;
	this._initialState = {
	appState: null,
	autoLogin: true,
	inFocus: false,
	accountId: '',
	password: '',
	displayName: '',
	organization: '',
	account: null,
	registrationState: null,
	registrationKeepalive: false,
	incomingCall: null,
	currentCall: null,
	connection: null,
	showIncomingModal: false,
	showScreenSharingModal: false,
	status: null,
	targetUri: '',
	missedTargetUri: '',
	loading: null,
	localMedia: null,
	generatedVideoTrack: false,
	contacts: [],
	devices: {},
	speakerPhoneEnabled: null,
	orientation : 'portrait',
	Height_Layout : '',
	Width_Layout : '',
	outgoingCallUUID: null,
	incomingCallUUID: null,
	hardware: '',
	phoneNumber: '',
	isTablet: isTablet(),
	refreshHistory: false,
	refreshFavorites: false,
	myPhoneNumber: null,
	localHistory: [],
	favoriteUris: [],
	blockedUris: [],
	initialUrl: null,
	reconnectingCall: false,
	muted: false,
	participantsToInvite: [],
	myInvitedParties: {},
	myContacts: {},
	defaultDomain: config.defaultDomain,
	declineReason: null,
	showLogsModal: false,
	logs: '',
	proximityEnabled: true,
	messages: {},
	selectedContact: null,
	callsState: {},
	keys: null,
	showImportPrivateKeyModal: false,
	privateKey: null,
	privateKeyImportStatus: '',
	privateKeyImportSuccess: false,
	inviteContacts: false,
	selectedContacts: [],
	pinned: false,
	callContact: null
	};

	utils.timestampedLog('Init app');

	this.lastSyncedMessageId = null;
	this.outgoingMedia = null;
	this.participantsToInvite = [];
	this.tokenSent = false;
	this.mustLogout = false;
	this.currentRoute = null;
	this.pushtoken = null;
	this.pushkittoken = null;
	this.intercomDtmfTone = null;
	this.registrationFailureTimer = null;
	this.contacts = [];
	this.startedByPush = false;
	this.heartbeats = 0;

	this._onFinishedPlayingSubscription = null
	this._onFinishedLoadingSubscription = null
	this._onFinishedLoadingFileSubscription = null
	this._onFinishedLoadingURLSubscription = null

	this.cachedHistory = []; // used for caching server history

	this.state = Object.assign({}, this._initialState);

	this.myParticipants = {};
	this.mySyncJournal = {};

	this._historyConferenceParticipants = new Map(); // for saving to local history

	this._terminatedCalls = new Map();

	this.__notificationCenter = null;

	this.redirectTo = null;
	this.prevPath = null;
	this.shouldUseHashRouting = false;
	this.goToReadyTimer = null;
	this.msg_sound_played_ts = null;

	storage.initialize();
	this.callKeeper = new CallManager(RNCallKeep,
	this.acceptCall,
	this.rejectCall,
	this.hangupCall,
	this.timeoutCall,
	this.callKeepStartConference,
	this.startCallFromCallKeeper,
	this.toggleMute,
	this.getConnection,
	this.addConferenceHistoryEntry,
	this.changeRoute,
	this.respawnConnection,
	this.isUnmounted
	);

	if (InCallManager.recordPermission !== 'granted') {
	InCallManager.requestRecordPermission()
	.then((requestedRecordPermissionResult) => {
	//console.log("InCallManager.requestRecordPermission() requestedRecordPermissionResult: ", requestedRecordPermissionResult);
	})
	.catch((err) => {
	//console.log("InCallManager.requestRecordPermission() catch: ", err);
	});
	}

	requestCameraPermission();

	// Load camera/mic preferences
	storage.get('devices').then((devices) => {
	if (devices) {
	this.setState({devices: devices});
	}
	});

	storage.get('history').then((history) => {
	if (history) {
	//console.log('Loaded', history.length, 'local history entries');
	this.setState({localHistory: history});
	} else {
	//console.log('Loaded 0 local history entries');
	}
	});

	storage.get('keys').then((keys) => {
	if (keys) {
	this.loadKeys(keys);
	}

	}).catch((err) => {
	console.log("PGP keys loading error:", err);
	});

	storage.get('cachedHistory').then((history) => {
	if (history) {
	//console.log('Loaded', history.length, 'cached history entries');
	this.cachedHistory = history;
	}
	});

	storage.get('myParticipants').then((myParticipants) => {
	if (myParticipants) {
	this.myParticipants = myParticipants;
	//console.log('My participants', this.myParticipants);
	}
	});

	storage.get('mySyncJournal').then((mySyncJournal) => {
	if (mySyncJournal) {
	this.mySyncJournal = mySyncJournal;
	}
	});

	storage.get('lastSyncedMessageId').then((lastSyncedMessageId) => {
	if (lastSyncedMessageId) {
	this.lastSyncedMessageId = lastSyncedMessageId;
	}
	});

	storage.get('myInvitedParties').then((myInvitedParties) => {
	if (myInvitedParties) {
	if (Array.isArray(myInvitedParties)) {
	myInvitedParties = {};
	}
	this.setState({myInvitedParties: myInvitedParties});
	}
	});

	storage.get('proximityEnabled').then((proximityEnabled) => {
	this.setState({proximityEnabled: proximityEnabled});
	});

	if (this.state.proximityEnabled) {
	utils.timestampedLog('Proximity sensor enabled');
	} else {
	utils.timestampedLog('Proximity sensor disabled');
	}

	this.loadPeople();

	for (let scheme of URL_SCHEMES) {
	DeepLinking.addScheme(scheme);
	}

	this.sqlTableVersions = {'messages': 1,
	'journal': 1
	}

	this.updateTableQueries = {'messages': {1: []},
	'journal': {1: []}
	};

	this.db = null;
	this.initSQL();

	}

	async loadKeys(keys) {
	const public_key = keys.public.replace(/\r/g,'');
	const private_key = keys.private.replace(/\r/g, '').trim();

	keys.publicKeyHash = await RNSimpleCrypto.SHA.sha1(public_key);
	keys.public = public_key;
	keys.private = private_key;
	this.setState({keys: keys});
	console.log("Loaded PGP public key", keys.publicKeyHash);
	}

	async generateKeys(force=false) {
	if (this.state.keys && this.state.keys.public.indexOf('-----BEGIN PGP PUBLIC KEY BLOCK-----') > -1 && !force) {
	return;
	}

	const Options = {
	comment: 'Sylk key',
	email: this.state.accountId,
	name: this.state.displayName,
	keyOptions: KeyOptions
	}

	console.log('Generating key pair with options', Options);

	await OpenPGP.generate(Options).then((keys) => {
	const public_key = keys.publicKey.replace(/\r/g, '').trim();
	const private_key = keys.privateKey.replace(/\r/g, '').trim();
	keys.public = public_key;
	keys.private = private_key;
	console.log("PGP keypair generated");
	this.saveKeys(keys);

	}).catch((error) => {
	console.log("PGP keys generation error:", error);
	});
	}

	async saveKeys(keys) {
	const publicKeyHashCalculated = await RNSimpleCrypto.SHA.sha1(keys.public);
	storage.set('keys', keys);
	this.setState({keys: {private: keys.private,
	publicKeyHash: publicKeyHashCalculated,
	public: keys.public}});
	}

	loadPeople() {
	let blockedUris = [];
	let myContacts = {};
	let favoriteUris = [];
	let displayName = null;

	storage.get('displayName').then((displayName) => {
	console.log('My display name is', displayName);
	this.setState({displayName: displayName});
	}).catch((error) => {
	console.log('get displayName error:', error);
	});

	storage.get('organization').then((organization) => {
	console.log('My organization is', organization);
	this.setState({organization: organization});
	}).catch((error) => {
	console.log('get organization error:', error);
	});

	storage.get('myContacts').then((myContacts) => {
	let myContactsObjects = {};
	if (myContacts) {
	Object.keys(myContacts).forEach((key) => {
	if(typeof(myContacts[key]) == 'string') {
	console.log('Convert display name object');
	myContactsObjects[key] = {'name': myContacts[key]}
	} else {
	myContactsObjects[key] = myContacts[key];
	}
	});
	myContacts = myContactsObjects;
	} else {
	myContacts = {};
	}

	console.log('Loaded', Object.keys(myContacts).length, 'contacts');

	this.setState({myContacts: myContacts});

	storage.get('favoriteUris').then((favoriteUris) => {
	favoriteUris = favoriteUris.filter(item => item !== null);
	console.log('My favorites:', favoriteUris);
	this.setState({favoriteUris: favoriteUris});

	favoriteUris.forEach((uri) => {
	if (uri in myContacts) {
	myContacts[uri].favorite = true;
	} else {
	myContacts[uri] = {name: '', favorite: true};
	}
	});

	storage.remove('favoriteUris');
	this.saveMyContacts(myContacts);

	}).catch((error) => {
	//console.log('get favoriteUris error:', error);
	let uris = Object.keys(myContacts);
	uris.forEach((uri) => {
	if (myContacts[uri].favorite) {
	favoriteUris.push(uri);
	}
	});

	console.log('Loaded', favoriteUris.length, 'favorites');
	this.setState({favoriteUris: favoriteUris});
	});

	storage.get('blockedUris').then((blockedUris) => {
	blockedUris = blockedUris.filter(item => item !== null);
	console.log('My blockedUris:', blockedUris);
	this.setState({blockedUris: blockedUris});

	blockedUris.forEach((uri) => {
	if (uri in myContacts) {
	myContacts[uri].blocked = true;
	} else {
	myContacts[uri] = {name: '', blocked: true};
	}
	});

	storage.remove('blockedUris');
	this.saveMyContacts(myContacts);

	}).catch((error) => {
	//console.log('get favoriteUris error:', error);
	let uris = Object.keys(myContacts);
	uris.forEach((uri) => {
	if (myContacts[uri].blocked) {
	blockedUris.push(uri);
	}
	});

	console.log('Loaded', blockedUris.length, 'blocked uris');
	this.setState({blockedUris: blockedUris});
	});

	this.calculateHashes();

	}).catch((error) => {
	console.log('get myContacts error:', error);
	});
	}

	calculateHashes() {
	let publicKeyHash;
	let myContacts = this.state.myContacts;
	let mustUpdate = false;
	let public_key;
	Object.keys(this.state.myContacts).forEach((key) => {
	if (myContacts[key].publicKey && !myContacts[key].publicKeyHash) {
	public_key = myContacts[key].publicKey.replace(/\r/g, '').trim();
	RNSimpleCrypto.SHA.sha1(public_key).then((publicKeyHash) => {
	mustUpdate = true;
	myContacts[key].publicKeyHash = publicKeyHash;
	}).catch((error) => {
	console.log('SHA error:', error);
	});
	}
	});
	if (mustUpdate) {
	this.saveMyContacts(myContacts);
	}
	}

	async initSQL() {
	const database_name = "sylk.db";
	const database_version = "1.0";
	const database_displayname = "Sylk Database";
	const database_size = 200000;

	await SQLite.openDatabase(database_name, database_version, database_displayname, database_size).then((DB) => {
	this.db = DB;
	console.log('SQL database', database_name, 'opened');
	//this.dropTables();
	this.createTables();
	}).catch((error) => {
	console.log('SQL database error:', error);
	});
	}

	dropTables() {
	console.log('Drop SQL tables...')
	this.ExecuteQuery("DROP TABLE if exists 'chat_uris';");
	this.ExecuteQuery("DROP TABLE if exists 'recipients';");
	this.ExecuteQuery("DROP TABLE 'messages';");
	this.ExecuteQuery("DROP TABLE 'versions';");
	}

	createTables() {
	console.log('Create SQL tables...')
	let create_versions_table = "CREATE TABLE IF NOT EXISTS 'versions' ( \
	'id' INTEGER PRIMARY KEY AUTOINCREMENT, \
	'table' TEXT UNIQUE, \
	'version' INTEGER NOT NULL );\
	";

	this.ExecuteQuery(create_versions_table).then((success) => {
	//console.log('SQL version table created');
	}).catch((error) => {
	console.log(create_versions_table);
	console.log('SQL version table creation error:', error);
	});

	let create_table_messages = "CREATE TABLE IF NOT EXISTS 'messages' ( \
	'id' INTEGER PRIMARY KEY AUTOINCREMENT, \
	'msg_id' TEXT UNIQUE, \
	'timestamp' TEXT, \
	'content' BLOB, \
	'content_type' TEXT, \
	'from_uri' TEXT, \
	'to_uri' TEXT, \
	'sent' INTEGER, \
	'sent_timestamp' TEXT, \
	'encrypted' INTEGER, \
	'encryption_key' TEXT, \
	'received' INTEGER, \
	'received_timestamp' TEXT, \
	'expire_interval' INTEGER, \
	'deleted' INTEGER, \
	'pinned' INTEGER, \
	'pending' INTEGER, \
	'system' INTEGER, \
	'url' TEXT, \
	'direction' TEXT) \
	";

	this.ExecuteQuery(create_table_messages).then((success) => {
	//console.log('SQL messages table OK');
	}).catch((error) => {
	console.log(create_table_messages);
	console.log('SQL messages table creation error:', error);
	});

	let create_table_journal = " CREATE TABLE IF NOT EXISTS 'journal' ( \
	'id' INTEGER PRIMARY KEY AUTOINCREMENT, \
	'timestamp' TEXT, \
	'msg_id' TEXT, \
	'uri' TEXT, \
	'action' TEXT, \
	'data' TEXT) \
	";

	this.ExecuteQuery(create_table_journal).then((success) => {
	//console.log('SQL journal table OK');
	}).catch((error) => {
	console.log(create_table_journal);
	console.log('SQL journal table creation error:', error);
	});

	this.upgradeSQLTables();
	}

	upgradeSQLTables() {
	console.log('Upgrade SQL tables')
	let query;
	let update_queries;
	let update_sub_queries;
	let version_numbers;

	/*
	this.ExecuteQuery("ALTER TABLE 'messages' add column received_timestamp TEXT after received");
	this.ExecuteQuery("ALTER TABLE 'messages' add column sent_timestamp TEXT after sent");
	*/

	query = "SELECT * FROM versions";
	let currentVersions = {};

	this.ExecuteQuery(query,[]).then((results) => {
	let rows = results.rows;
	for (let i = 0; i < rows.length; i++) {
	var item = rows.item(i);
	currentVersions[item.table] = item.version;
	}

	for (const [key, value] of Object.entries(this.sqlTableVersions)) {
	if (currentVersions[key] == null) {
	query = "INSERT INTO versions ('table', 'version') values ('" + key + "', '" + this.sqlTableVersions[key] + "')";
	console.log(query);
	this.ExecuteQuery(query);
	} else {
	if (this.sqlTableVersions[key] > currentVersions[key]) {
	console.log('Table', key, 'must have version', value, 'and it has', currentVersions[key]);
	update_queries = this.updateTableQueries[key];
	version_numbers = Object.keys(update_queries);
	version_numbers.sort(function(a, b){return a-b});
	version_numbers.forEach((version) => {
	if (version <= currentVersions[key]) {
	return;
	}
	update_sub_queries = update_queries[version];
	update_sub_queries.forEach((query) => {
	console.log('Run query for table', key, 'version', version, ':', query);
	this.ExecuteQuery(query);
	});

	});

	query = "update versions set version = " + this.sqlTableVersions[key] + " where \"table\" = '" + key + "';";
	console.log(query);
	this.ExecuteQuery(query);

	} else {
	//console.log('No upgrade required for table', key);
	}
	}
	}

	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});

	}

	/*
	* Execute sql queries
	*
	* @param sql
	* @param params
	*
	* @returns {resolve} results
	*/

	ExecuteQuery = (sql, params = []) => new Promise((resolve, reject) => {
	//console.log('Execute query:', sql);
	this.db.transaction((trans) => {
	trans.executeSql(sql, params, (trans, results) => {
	resolve(results);
	},
	(error) => {
	//console.log('SQL error', error);
	reject(error);
	});
	});
	});

	async loadContacts() {
	Contacts.checkPermission((err, permission) => {
	if (permission === Contacts.PERMISSION_UNDEFINED) {
	Contacts.requestPermission((err, requestedContactsPermissionResult) => {
	if (err) {
	console.log("Contacts.requestPermission()catch: ", err);
	}
	console.log("Contacts.requestPermission() requestPermission: ", requestedContactsPermissionResult);
	})
	}
	})

	Contacts.getAll((err, contacts) => {
	if (err === 'denied'){
	console.log('Access to contacts denied')
	} else {
	// contacts returned in Array
	let contact_cards = [];
	let name;
	let photo;

	let seen_uris = new Map();

	var arrayLength = contacts.length;
	for (var i = 0; i < arrayLength; i++) {
	photo = null;
	contact = contacts[i];
	if (contact['givenName'] && contact['familyName']) {
	name = contact['givenName'] + ' ' + contact['familyName'];
	} else if (contact['givenName']) {
	name = contact['givenName'];
	} else if (contact['familyName']) {
	name = contact['familyName'];
	} else if (contact['company']) {
	name = contact['company'];
	} else {
	continue;
	}

	if (contact.hasThumbnail) {
	photo = contact.thumbnailPath;
	} else {
	photo = null;
	}

	//console.log(name);
	contact['phoneNumbers'].forEach(function (number, index) {
	let number_stripped = number['number'].replace(/\s\|\-\|$\|$/g, '');
	if (number_stripped) {
	if (!seen_uris.has(number_stripped)) {
	//console.log(' ----> ', number['label'], number_stripped);
	var contact_card = {id: uuid.v4(), displayName:
	name, remoteParty: number_stripped,
	type: 'contact',
	photo: photo,
	label: number['label'],
	tags: ['contact']};
	contact_cards.push(contact_card);
	seen_uris.set(number_stripped, true);
	var contact_card = {id: uuid.v4(),
	displayName: name,
	remoteParty: number_stripped,
	type: 'contact',
	photo: photo,
	label: number['label'],
	tags: ['contact']
	};
	}
	}
	});

	contact['emailAddresses'].forEach(function (email, index) {
	let email_stripped = email['email'].replace(/\s\|$\|$/g, '');
	if (!seen_uris.has(email_stripped)) {
	//console.log(name, email['label'], email_stripped);
	//console.log(' ----> ', email['label'], email_stripped);
	var contact_card = {id: uuid.v4(),
	displayName: name,
	remoteParty: email_stripped,
	type: 'contact',
	photo: photo,
	label: email['label'],
	tags: ['contact']
	};
	contact_cards.push(contact_card);
	seen_uris.set(email_stripped, true);
	}
	});
	}

	this.contacts = contact_cards;
	}
	})
	}

	get _notificationCenter() {
	// getter to lazy-load the NotificationCenter ref
	if (!this.__notificationCenter) {
	this.__notificationCenter = this.refs.notificationCenter;
	}
	return this.__notificationCenter;
	}

	findObjectByKey(array, key, value) {
	for (var i = 0; i < array.length; i++) {
	if (array[i][key] === value) {
	return array[i];
	}
	}
	return null;
	}

	_detectOrientation() {
	if(this.state.Width_Layout > this.state.Height_Layout && this.state.orientation !== 'landscape') {
	this.setState({orientation: 'landscape'});
	} else {
	this.setState({orientation: 'portrait'});
	}
	}

	changeRoute(route, reason) {
	utils.timestampedLog('Change route', route, 'with reason:', reason);
	if (this.currentRoute === route) {
	if (route === '/ready' && this.state.selectedContact) {
	this.setState({
	selectedContact: null,
	targetUri: ''
	});
	}
	return;
	}


	if (this.currentRoute !== route) {
	utils.timestampedLog('Change route:', this.currentRoute, '->', route, reason);
	}

	if (route === '/conference') {
	this.backToForeground();
	this.setState({inviteContacts: false});
	}

	if (route === '/call') {
	this.backToForeground();
	}

	if (route === '/ready' && reason !== 'back to home') {
	Vibration.cancel();

	if (reason === 'conference_really_ended' && this.callKeeper.countCalls) {
	utils.timestampedLog('Change route cancelled because we still have calls');
	return;
	}

	this.startedByPush = false;
	this.setState({
	outgoingCallUUID: null,
	currentCall: null,
	callContact: null,
	inviteContacts: false,
	selectedContacts: [],
	incomingCall: (reason === 'accept_new_call' \|\| reason === 'user_hangup_call') ? this.state.incomingCall: null,
	reconnectingCall: false,
	muted: false
	});

	if (this.currentRoute === '/call' \|\| this.currentRoute === '/conference') {
	if (reason !== 'user_hangup_call') {
	this.stopRingback();
	InCallManager.stop();
	}

	this.closeLocalMedia();

	if (reason === 'accept_new_call') {
	if (this.state.incomingCall) {
	// then answer the new call if any
	let hasVideo = (this.state.incomingCall && this.state.incomingCall.mediaTypes && this.state.incomingCall.mediaTypes.video) ? true : false;
	this.getLocalMedia(Object.assign({audio: true, video: hasVideo}), '/call');
	}
	} else if (reason === 'escalate_to_conference') {
	const uri = `${utils.generateSillyName()}@${config.defaultConferenceDomain}`;
	const options = {audio: this.outgoingMedia ? this.outgoingMedia.audio: true,
	video: this.outgoingMedia ? this.outgoingMedia.video: true,
	participants: this.participantsToInvite}

	this.callKeepStartConference(uri.toLowerCase(), options);
	} else {
	if (this.state.account && this._loaded) {
	setTimeout(() => {
	this.updateServerHistory()
	}, 1500);
	}
	}
	}

	if (reason === 'registered') {
	setTimeout(() => {
	this.updateServerHistory()
	}, 1500);
	}

	if (reason === 'no_more_calls') {
	this.updateServerHistory()
	}
	}

	this.currentRoute = route;
	history.push(route);

	}

	componentWillUnmount() {
	utils.timestampedLog('App will unmount');
	AppState.removeEventListener('change', this._handleAppStateChange);

	this._onFinishedPlayingSubscription.remove();
	this._onFinishedLoadingSubscription.remove();
	this._onFinishedLoadingURLSubscription.remove();
	this._onFinishedLoadingFileSubscription.remove();

	this.callKeeper.destroy();
	this.closeConnection();
	this._loaded = false;
	}

	get unmounted() {
	return !this._loaded;
	}

	isUnmounted() {
	return this.unmounted;
	}

	backPressed() {
	console.log('Back button pressed');

	if (this.currentRoute === '/call' \|\| this.currentRoute === '/conference') {
	let call = this.state.currentCall \|\| this.state.incomingCall;
	if (call && call.id) {
	this.hangupCall(call.id, 'user_hangup_call');
	}
	}

	return true;
	}

	async componentDidMount() {
	utils.timestampedLog('App did mount');
	this._loaded = true;

	BackHandler.addEventListener('hardwareBackPress', this.backPressed);
	// Start a timer that runs once after X milliseconds
	BackgroundTimer.runBackgroundTimer(() => {
	// this will be executed once after 10 seconds
	// even when app is the the background
	this.heartbeat();
	}, 5000);

	try {
	await RNCallKeep.supportConnectionService ();
	//utils.timestampedLog('Connection service is enabled');
	} catch(err) {
	utils.timestampedLog(err);
	}

	try {
	await RNCallKeep.hasPhoneAccount();
	//utils.timestampedLog('Phone account is enabled');
	} catch(err) {
	utils.timestampedLog(err);
	}

	if (Platform.OS === 'android') {
	RNDrawOverlay.askForDispalayOverOtherAppsPermission()
	.then(res => {
	//utils.timestampedLog("Display over other apps was granted");
	// res will be true if permission was granted
	})
	.catch(e => {
	utils.timestampedLog("Display over other apps was declined");
	// permission was declined
	})
	}

	// prime the ref
	//logger.debug('NotificationCenter ref: %o', this._notificationCenter);

	this._boundOnPushkitRegistered = this._onPushkitRegistered.bind(this);
	this._boundOnPushRegistered = this._onPushRegistered.bind(this);

	this._detectOrientation();

	getPhoneNumber().then(phoneNumber => {
	this.setState({myPhoneNumber: phoneNumber});
	this.loadContacts();
	});

	this.listenforPushNotifications();
	this.listenforSoundNotifications();
	}

	listenforSoundNotifications() {
	// Subscribe to event(s) you want when component mounted
	this._onFinishedPlayingSubscription = SoundPlayer.addEventListener('FinishedPlaying', ({ success }) => {
	//console.log('finished playing', success)
	})
	this._onFinishedLoadingSubscription = SoundPlayer.addEventListener('FinishedLoading', ({ success }) => {
	//console.log('finished loading', success)
	})
	this._onFinishedLoadingFileSubscription = SoundPlayer.addEventListener('FinishedLoadingFile', ({ success, name, type }) => {
	//console.log('finished loading file', success, name, type)
	})
	this._onFinishedLoadingURLSubscription = SoundPlayer.addEventListener('FinishedLoadingURL', ({ success, url }) => {
	//console.log('finished loading url', success, url)
	})
	}

	listenforPushNotifications() {
	if (this.state.appState === null) {
	this.setState({appState: 'active'});
	} else {
	return;
	}

	if (Platform.OS === 'android') {
	Linking.getInitialURL().then((url) => {
	if (url) {
	utils.timestampedLog('Initial external URL: ' + url);
	this.eventFromUrl(url);
	this.changeRoute('/login', 'start up');
	} else {
	this.changeRoute('/login', 'start up');
	}
	}).catch(err => {
	logger.error({ err }, 'Error getting external URL');
	});

	firebase.messaging().getToken()
	.then(fcmToken => {
	if (fcmToken) {
	this._onPushRegistered(fcmToken);
	}
	});

	Linking.addEventListener('url', this.updateLinkingURL);

	} else if (Platform.OS === 'ios') {
	this.changeRoute('/login', 'start up');

	VoipPushNotification.addEventListener('register', this._boundOnPushkitRegistered);
	VoipPushNotification.registerVoipToken();

	PushNotificationIOS.addEventListener('register', this._boundOnPushRegistered);

	//let permissions = await checkIosPermissions();
	//if (!permissions.alert) {
	PushNotificationIOS.requestPermissions();
	//}
	}

	this.boundProximityDetect = this._proximityDetect.bind(this);

	DeviceEventEmitter.addListener('Proximity', this.boundProximityDetect);

	AppState.addEventListener('change', this._handleAppStateChange);

	if (Platform.OS === 'ios') {
	this._boundOnNotificationReceivedBackground = this._onNotificationReceivedBackground.bind(this);
	this._boundOnLocalNotificationReceivedBackground = this._onLocalNotificationReceivedBackground.bind(this);
	VoipPushNotification.addEventListener('notification', this._boundOnNotificationReceivedBackground);
	VoipPushNotification.addEventListener('localNotification', this._boundOnLocalNotificationReceivedBackground);
	} else if (Platform.OS === 'android') {
	AppState.addEventListener('focus', this._handleAndroidFocus);
	AppState.addEventListener('blur', this._handleAndroidBlur);

	firebase
	.messaging()
	.requestPermission()
	.then(() => {
	// User has authorised
	})
	.catch(error => {
	// User has rejected permissions
	});

	this.messageListener = firebase
	.messaging()
	.onMessage((message: RemoteMessage) => {
	// this will just wake up the app to receive
	// the web-socket invite handled by this.incomingCall()
	let event = message.data.event;
	const callUUID = message.data['session-id'];
	const from = message.data['from_uri'];
	const to = message.data['to_uri'];
	const displayName = message.data['from_display_name'];
	const outgoingMedia = {audio: true, video: message.data['media-type'] === 'video'};
	const mediaType = message.data['media-type'] \|\| 'audio';

	if (this.unmounted) {
	return;
	}

	if (event === 'incoming_conference_request') {
	utils.timestampedLog('Push notification: incoming conference', callUUID);
	this.incomingConference(callUUID, to, from, displayName, outgoingMedia);
	} else if (event === 'incoming_session') {
	utils.timestampedLog('Push notification: incoming call', callUUID);
	this.incomingCallFromPush(callUUID, from, displayName, mediaType);
	} else if (event === 'cancel') {
	this.cancelIncomingCall(callUUID);
	}
	});
	}
	}

	cancelIncomingCall(callUUID) {
	if (this.unmounted) {
	return;
	}

	if (this.callKeeper._acceptedCalls.has(callUUID)) {
	return;
	}

	utils.timestampedLog('Push notification: cancel call', callUUID);

	let call = this.callKeeper._calls.get(callUUID);
	if (!call) {
	if (!this.callKeeper._cancelledCalls.has(callUUID)) {
	utils.timestampedLog('Cancel incoming call that did not arrive on web socket', callUUID);
	this.callKeeper.endCall(callUUID, CK_CONSTANTS.END_CALL_REASONS.REMOTE_ENDED);
	this.startedByPush = false;
	if (this.startedByPush) {
	this.changeRoute('/ready', 'incoming_call_cancelled');
	}
	}
	return;
	}

	if (call.state === 'incoming') {
	utils.timestampedLog('Cancel incoming call that was not yet accepted', callUUID);
	this.callKeeper.endCall(callUUID, CK_CONSTANTS.END_CALL_REASONS.REMOTE_ENDED);
	if (this.startedByPush) {
	this.changeRoute('/ready', 'incoming_call_cancelled');
	}
	}
	}

	_proximityDetect(data) {
	//utils.timestampedLog('Proximity changed, isNear is', data.isNear);
	if (!this.state.proximityEnabled) {
	return;
	}

	if (data.isNear) {
	this.speakerphoneOff();
	} else {
	this.speakerphoneOn();
	}
	}

	startCallWhenReady(targetUri, options) {
	this.resetGoToReadyTimer();

	if (options.conference) {
	this.startConference(targetUri, options);
	} else {
	this.startCall(targetUri, options);
	}
	}
	_sleep(ms) {
	return new Promise(resolve => setTimeout(resolve, ms));
	}

	_onPushkitRegistered(token) {
	this.pushkittoken = token;
	}

	_onPushRegistered(token) {
	this.pushtoken = token;
	}

	_sendPushToken() {
	if ((this.state.account && this.pushtoken && !this.tokenSent)) {
	let token = null;

	if (Platform.OS === 'ios') {
	token = `${this.pushkittoken}-${this.pushtoken}`;
	} else if (Platform.OS === 'android') {
	token = this.pushtoken;
	}
	utils.timestampedLog('Push token sent to server');
	this.state.account.setDeviceToken(token, Platform.OS, deviceId, true, bundleId);
	this.tokenSent = true;
	}
	}

	_handleAndroidFocus = nextFocus => {
	//utils.timestampedLog('----- APP in focus');
	this.setState({inFocus: true});
	this.respawnConnection();
	}

	_handleAndroidBlur = nextBlur => {
	//utils.timestampedLog('----- APP out of focus');
	this.setState({inFocus: false});
	}

	_handleAppStateChange = nextAppState => {
	//utils.timestampedLog('----- APP state changed', this.state.appState, '->', nextAppState);

	if (nextAppState === this.state.appState) {
	return;
	}

	if (this.callKeeper.countCalls === 0 && !this.state.outgoingCallUUID) {
	/*

	utils.timestampedLog('----- APP state changed', this.state.appState, '->', nextAppState);

	if (this.callKeeper.countCalls) {
	utils.timestampedLog('- APP state changed, we have', this.callKeeper.countCalls, 'calls');
	}

	if (this.callKeeper.countPushCalls) {
	utils.timestampedLog('- APP state changed, we have', this.callKeeper.countPushCalls, 'push calls');
	}

	if (this.startedByPush) {
	utils.timestampedLog('- APP state changed, started by push in', nextAppState, 'state');
	}

	if (this.state.connection) {
	utils.timestampedLog('- APP state changed from', this.state.appState, 'to', nextAppState, 'with connection', Object.id(this.state.connection));
	} else {
	utils.timestampedLog('- APP state changed from', this.state.appState, 'to', nextAppState);
	}
	*/

	}

	if (this.state.appState === 'background' && nextAppState === 'active') {
	this.respawnConnection(nextAppState);
	}

	this.setState({appState: nextAppState});
	}

	respawnConnection(state) {
	if (!this.state.connection) {
	utils.timestampedLog('Web socket does not exist');
	} else if (!this.state.connection.state) {
	utils.timestampedLog('Web socket is waiting for connection...');
	} else {
	/*
	if (this.state.connection.state !== 'ready' && this.state.connection.state !== 'connecting') {
	utils.timestampedLog('Web socket', Object.id(this.state.connection), 'reconnecting because', this.state.connection.state);
	this.state.connection.reconnect();
	utils.timestampedLog('Web socket', Object.id(this.state.connection), 'new state is', this.state.connection.state);
	}
	*/
	}

	if (this.state.account) {
	if (!this.state.connection) {
	utils.timestampedLog('Active account without connection removed');
	this.setState({account: null});
	}
	} else {
	utils.timestampedLog('No active account');
	}

	if (this.state.accountId && (!this.state.connection \|\| !this.state.account)) {
	this.handleRegistration(this.state.accountId, this.state.password);
	}
	}

	closeConnection(reason='unmount') {
	if (!this.state.connection) {
	return;
	}

	if (!this.state.account && this.state.connection) {
	this.state.connection.removeListener('stateChanged', this.connectionStateChanged);
	this.state.connection.close();
	utils.timestampedLog('Web socket', Object.id(this.state.connection), 'will close');
	this.setState({connection: null, account: null});
	} else if (this.state.connection && this.state.account) {
	this.state.connection.removeListener('stateChanged', this.connectionStateChanged);

	this.state.account.removeListener('outgoingCall', this.outgoingCall);
	this.state.account.removeListener('conferenceCall', this.outgoingConference);
	this.state.account.removeListener('incomingCall', this.incomingCallFromWebSocket);
	this.state.account.removeListener('missedCall', this.missedCall);
	this.state.account.removeListener('conferenceInvite', this.conferenceInviteFromWebSocket);

	this.state.connection.removeAccount(this.state.account,
	(error) => {
	if (error) {
	utils.timestampedLog('Failed to remove account:', error);
	} else {
	//utils.timestampedLog('Account removed');
	}

	if (this.state.connection) {
	utils.timestampedLog('Web socket', Object.id(this.state.connection), 'will close');
	this.state.connection.close();
	}

	this.setState({connection: null, account: null});
	}
	);
	} else {
	this.setState({connection: null, account: null});
	}
	}

	startCallFromCallKeeper(data) {
	utils.timestampedLog('Starting call from OS...');
	let callUUID = data.callUUID \|\| uuid.v4();
	let is_conf = data.handle.search('videoconference.') === -1 ? false: true;

	this.backToForeground();

	if (is_conf) {
	this.callKeepStartConference(data.handle, {audio: true, video: data.video \|\| true, callUUID: callUUID});
	} else {
	this.callKeepStartCall(data.handle, {audio: true, video: data.video, callUUID: callUUID});
	}
	this._notificationCenter.removeNotification();
	}

	selectContact(contact) {
	this.setState({selectedContact: contact});
	}

	connectionStateChanged(oldState, newState) {
	if (this.unmounted) {
	return;
	}

	const connection = this.getConnection();

	if (oldState) {
	utils.timestampedLog('Web socket', connection, 'state changed:', oldState, '->' , newState);
	}

	switch (newState) {
	case 'closed':
	if (this.state.connection) {
	utils.timestampedLog('Web socket was terminated');
	this.state.connection.removeListener('stateChanged', this.connectionStateChanged);
	this._notificationCenter.postSystemNotification('Connection lost');
	}
	//this.setState({connection: null, account: null});
	this.setState({account: null});
	break;
	case 'ready':
	this._notificationCenter.removeNotification();
	this.processRegistration(this.state.accountId, this.state.password);
	this.callKeeper.setAvailable(true);
	break;
	case 'disconnected':
	if (this.registrationFailureTimer) {
	clearTimeout(this.registrationFailureTimer);
	this.registrationFailureTimer = null;
	}
	if (this.state.currentCall && this.state.currentCall.direction === 'outgoing') {
	this.hangupCall(this.state.currentCall.id, 'outgoing_connection_failed');
	}

	if (this.state.incomingCall) {
	this.hangupCall(this.state.incomingCall.id, 'connection_failed');
	}

	this.setState({
	registrationState: 'failed',
	generatedVideoTrack: false,
	});

	if (this.currentRoute === '/login') {
	this.changeRoute('/ready', 'websocket disconnected');
	}

	break;
	default:
	if (this.state.registrationKeepalive !== true) {
	this.setState({loading: 'Connecting...'});
	}
	break;
	}
	}

	notificationCenter() {
	return this._notificationCenter;
	}

	showRegisterFailure(reason) {
	const connection = this.getConnection();

	utils.timestampedLog('Registration error: ' + reason, 'on web socket', connection);
	this.setState({
	loading : null,
	registrationState: 'failed',
	status : {
	msg : 'Sign In failed: ' + reason,
	level : 'danger'
	}
	});

	if (this.startedByPush) {
	// TODO: hangup incoming call
	}

	if (this.currentRoute === '/login') {
	this.changeRoute('/ready', 'register failure');
	}

	}

	registrationStateChanged(oldState, newState, data) {
	if (this.unmounted) {
	return;
	}

	const connection = this.getConnection();

	if (oldState) {
	utils.timestampedLog('Registration state changed:', oldState, '->', newState, 'on web socket', connection);
	}

	if (!this.state.account) {
	utils.timestampedLog('Account disabled');
	return;
	}

	if (newState === 'failed') {
	let reason = data.reason;

	if (reason === 904) {
	// Sofia SIP: WAT
	reason = 'Wrong account or password';
	} else if (reason === 408) {
	reason = 'Timeout';
	}

	this.showRegisterFailure(reason);

	if (this.state.registrationKeepalive === true) {
	if (this.state.connection !== null && this.state.connection.state === 'ready') {
	utils.timestampedLog('Retry to register...');
	this.state.account.register();
	}
	} else {
	// add a timer to retry register after awhile
	if (reason >= 500 \|\| reason === 408) {
	utils.timestampedLog('Retry to register after 5 seconds delay...');
	setTimeout(this.state.account.register(), 5000);
	} else {
	if (this.registrationFailureTimer) {
	utils.timestampedLog('Cancel registration timer');
	clearTimeout(this.registrationFailureTimer);
	this.registrationFailureTimer = null;
	}
	}
	}
	if (this.currentRoute === '/login') {
	this.changeRoute('/ready', 'register failed');
	}

	} else if (newState === 'registered') {
	if (this.registrationFailureTimer) {
	clearTimeout(this.registrationFailureTimer);
	this.registrationFailureTimer = null;
	}

	utils.timestampedLog('Request sync messages from server starting with', this.lastSyncedMessageId);

	this.state.account.syncConversations(this.lastSyncedMessageId);
	this._sendPushToken();
	this.replayJournal();

	this.setState({loading: null,
	registrationKeepalive: true,
	registrationState: 'registered',
	defaultDomain: this.state.account ? this.state.account.id.split('@')[1]: null
	});

	//if (this.currentRoute === '/login' && (!this.startedByPush \|\| Platform.OS === 'ios')) {
	// TODO if the call does not arrive, we never get back to ready
	if (this.currentRoute === '/login') {
	this.changeRoute('/ready', 'registered');
	}
	return;
	} else {
	this.setState({status: null, registrationState: newState });
	}

	if (this.mustLogout) {
	this.logout();
	}
	}

	showInternalAlertPanel() {
	this.setState({showIncomingModal: true});
	//Vibration.vibrate(VIBRATION_PATTERN, true);
	setTimeout(() => {
	Vibration.cancel();
	}, 30000);
	}

	hideInternalAlertPanel() {
	Vibration.cancel();
	this.setState({showIncomingModal: false});
	}

	heartbeat() {
	if (this.unmounted) {
	return;
	}

	this.heartbeats = this.heartbeats + 1;

	if (this.heartbeats % 40 == 0) {
	this.trimLogs();
	}

	if (this.state.connection) {
	//console.log('Check calls in', this.state.appState, 'with connection', Object.id(this.state.connection), this.state.connection.state);
	} else {
	//console.log('Check calls in', this.state.appState, 'with no connection');
	}

	let callState;
	if (this.state.currentCall && this.state.incomingCall && this.state.incomingCall === this.state.currentCall) {
	//utils.timestampedLog('We have an incoming call:', this.state.currentCall ? (this.state.currentCall.id + ' ' + this.state.currentCall.state): 'None');
	callState = this.state.currentCall.state;
	} else if (this.state.incomingCall) {
	//utils.timestampedLog('We have an incoming call:', this.state.incomingCall ? (this.state.incomingCall.id + ' ' + this.state.incomingCall.state): 'None');
	callState = this.state.incomingCall.state;
	} else if (this.state.currentCall) {
	//utils.timestampedLog('We have an outgoing call:', this.state.currentCall ? (this.state.currentCall.id + ' ' + this.state.currentCall.state): 'None');
	callState = this.state.currentCall.state;
	} else if (this.state.outgoingCallUUID) {
	//utils.timestampedLog('We have a pending outgoing call:', this.state.outgoingCallUUID);
	} else {
	//utils.timestampedLog('We have no calls');
	if (this.state.appState === 'background' && this.state.connection && this.state.connection.state === 'ready') {
	//this.closeConnection('background with no calls');
	}
	}

	this.callKeeper.heartbeat();
	}

	stopRingback() {
	//utils.timestampedLog('Stop ringback');
	InCallManager.stopRingback();
	}

	resetGoToReadyTimer() {
	if (this.goToReadyTimer !== null) {
	clearTimeout(this.goToReadyTimer);
	this.goToReadyTimer = null;
	}
	}

	goToReadyNowAndCancelTimer() {
	if (this.goToReadyTimer !== null) {
	clearTimeout(this.goToReadyTimer);
	this.goToReadyTimer = null;
	this.changeRoute('/ready', 'cancel_timer_incoming_call');
	}
	}

	isConference(call) {
	const _call = call \|\| this.state.currentCall;
	if (_call && _call.hasOwnProperty('_participants')) {
	return true;
	}

	return false;
	}

	callStateChanged(oldState, newState, data) {
	if (this.unmounted) {
	return;
	}

	// outgoing accepted: null -> progress -> accepted -> established -> terminated
	// outgoing accepted: null -> progress -> established -> accepted -> terminated (with early media)
	// incoming accepted: null -> incoming -> accepted -> established -> terminated
	// 2nd incoming call is automatically rejected by sylkrtc library

	/*
	utils.timestampedLog('---currentCall start:', this.state.currentCall);
	utils.timestampedLog('---incomingCall start:', this.state.incomingCall);
	*/

	let call = this.callKeeper._calls.get(data.id);

	if (!call) {
	utils.timestampedLog("callStateChanged error: call", data.id, 'not found in callkeep manager');
	return;
	}

	let callUUID = call.id;
	const connection = this.getConnection();
	utils.timestampedLog('Sylkrtc call', callUUID, 'state change:', oldState, '->', newState, 'on web socket', connection);

	/*
	if (newState === 'established' \|\| newState === 'accepted') {
	// restore the correct UI state if it has transitioned illegally to /ready state
	if (call.hasOwnProperty('_participants')) {
	this.changeRoute('/conference', 'correct call state');
	} else {
	this.changeRoute('/call', 'correct call state');
	}
	}
	*/

	let newCurrentCall;
	let newincomingCall;
	let direction = call.direction;
	let hasVideo = false;
	let mediaType = 'audio';
	let tracks;
	let readyDelay = 5000;

	if (this.state.incomingCall && this.state.currentCall) {
	if (newState === 'terminated') {
	if (this.state.incomingCall == this.state.currentCall) {
	newCurrentCall = null;
	newincomingCall = null;
	}

	if (this.state.incomingCall.id === call.id) {
	if (oldState === 'incoming') {
	//utils.timestampedLog('Call state changed:', 'incoming call must be cancelled');
	this.hideInternalAlertPanel();
	}

	if (oldState === 'established' \|\| oldState === 'accepted') {
	//utils.timestampedLog('Call state changed:', 'incoming call ended');
	this.hideInternalAlertPanel();
	}
	// new call must be cancelled
	newincomingCall = null;
	newCurrentCall = this.state.currentCall;
	}

	if (this.state.currentCall != this.state.incomingCall && this.state.currentCall.id === call.id) {
	if (oldState === 'established' \|\| newState === 'accepted') {
	//utils.timestampedLog('Call state changed:', 'outgoing call must be hangup');
	// old call must be closed
	}
	newCurrentCall = null;
	newincomingCall = this.state.incomingCall;
	}

	} else if (newState === 'accepted') {
	if (this.state.incomingCall === this.state.currentCall) {
	newCurrentCall = this.state.incomingCall;
	newincomingCall = this.state.incomingCall;
	} else {
	newCurrentCall = this.state.currentCall;
	}
	this.backToForeground();
	} else if (newState === 'established') {
	if (this.state.incomingCall === this.state.currentCall) {
	//utils.timestampedLog("Incoming call media started");
	newCurrentCall = this.state.incomingCall;
	newincomingCall = this.state.incomingCall;
	} else {
	//utils.timestampedLog("Outgoing call media started");
	newCurrentCall = this.state.currentCall;
	}
	} else {
	//utils.timestampedLog('Call state changed:', 'We have two calls in unclear state');
	}
	} else if (this.state.incomingCall) {
	//this.backToForeground();
	//utils.timestampedLog('Call state changed: We have one incoming call');
	newincomingCall = this.state.incomingCall;
	newCurrentCall = this.state.incomingCall;

	if (this.state.incomingCall.id === call.id) {
	if (newState === 'terminated') {
	this.startedByPush = false;
	//utils.timestampedLog("Incoming call was cancelled");
	this.setState({showIncomingModal: false});
	this.hideInternalAlertPanel();
	newincomingCall = null;
	newCurrentCall = null;
	readyDelay = 10;
	} else if (newState === 'accepted') {
	//utils.timestampedLog("Incoming call was accepted");
	this.hideInternalAlertPanel();
	this.backToForeground();
	} else if (newState === 'established') {
	//utils.timestampedLog("Incoming call media started");
	this.hideInternalAlertPanel();
	}
	}

	} else if (this.state.currentCall) {
	//utils.timestampedLog('Call state changed: We have one current call');
	newCurrentCall = newState === 'terminated' ? null : call;
	newincomingCall = null;
	if (newState !== 'terminated') {
	this.setState({reconnectingCall: false});
	}
	} else {
	newincomingCall = null;
	newCurrentCall = null;
	}

	/*
	utils.timestampedLog('---currentCall:', newCurrentCall);
	utils.timestampedLog('---incomingCall:', newincomingCall);
	*/

	let callsState;

	switch (newState) {
	case 'progress':
	this.callKeeper.setCurrentCallActive(callUUID);
	this.backToForeground();

	this.resetGoToReadyTimer();

	tracks = call.getLocalStreams()[0].getVideoTracks();
	mediaType = (tracks && tracks.length > 0) ? 'video' : 'audio';

	if (mediaType === 'video') {
	this.speakerphoneOn();
	} else {
	this.speakerphoneOff();
	}

	if (!this.isConference(call)){
	InCallManager.startRingback('_BUNDLE_');
	}

	break;

	case 'established':
	callsState = this.state.callsState;
	callsState[callUUID] = {startTime: new Date()};
	this.setState({callsState: callsState});

	this.callKeeper.setCurrentCallActive(callUUID);

	this.backToForeground();
	this.resetGoToReadyTimer();

	tracks = call.getLocalStreams()[0].getVideoTracks();
	mediaType = (tracks && tracks.length > 0) ? 'video' : 'audio';

	InCallManager.start({media: mediaType});

	if (direction === 'outgoing') {
	this.stopRingback();
	if (this.state.speakerPhoneEnabled) {
	this.speakerphoneOn();
	} else {
	this.speakerphoneOff();
	}
	} else {
	if (mediaType === 'video') {
	this.speakerphoneOn();
	} else {
	this.speakerphoneOff();
	}
	}

	break;
	case 'accepted':
	callsState = this.state.callsState;
	callsState[callUUID] = {startTime: new Date()};
	this.setState({callsState: callsState});

	this.callKeeper.setCurrentCallActive(callUUID);
	this.backToForeground();
	this.resetGoToReadyTimer();

	if (direction === 'outgoing') {
	this.stopRingback();
	}
	break;

	case 'terminated':
	let startTime;
	if (callUUID in this.state.callsState) {
	callsState = this.state.callsState;
	startTime = callsState[callUUID].startTime;
	delete callsState[callUUID];
	this.setState({callsState: callsState});
	}

	this._terminatedCalls.set(callUUID, true);
	utils.timestampedLog(callUUID, direction, 'terminated with reason', data.reason);


	if (this.state.incomingCall && this.state.incomingCall.id === call.id) {
	newincomingCall = null;
	}

	if (this.state.currentCall && this.state.currentCall.id === call.id) {
	newCurrentCall = null;
	}

	let callSuccesfull = false;
	let reason = data.reason;
	let play_busy_tone = !this.isConference(call);
	let CALLKEEP_REASON;
	let missed = false;

	if (!reason \|\| reason.match(/200/)) {
	if (oldState === 'progress' && direction === 'outgoing') {
	reason = 'Cancelled';
	play_busy_tone = false;
	} else if (oldState === 'incoming') {
	reason = 'Cancelled';
	missed = true;
	play_busy_tone = false;
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.UNANSWERED;
	} else {
	reason = 'Hangup';
	callSuccesfull = true;
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.REMOTE_ENDED;
	}
	} else if (reason.match(/402/)) {
	reason = 'Payment required';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	} else if (reason.match(/403/)) {
	//reason = 'Forbidden';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	} else if (reason.match(/404/)) {
	reason = 'User not found';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	} else if (reason.match(/408/)) {
	reason = 'Timeout';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	} else if (reason.match(/480/)) {
	reason = 'Is not online';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.UNANSWERED;
	} else if (reason.match(/486/)) {
	reason = 'Is busy';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.REMOTE_ENDED;
	if (direction === 'outgoing') {
	play_busy_tone = false;
	}
	} else if (reason.match(/603/)) {
	reason = 'Cannot answer now';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.REMOTE_ENDED;
	if (direction === 'outgoing') {
	play_busy_tone = false;
	}
	} else if (reason.match(/487/)) {
	reason = 'Cancelled';
	play_busy_tone = false;
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.REMOTE_ENDED;
	} else if (reason.match(/488/)) {
	reason = 'Unacceptable media';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	} else if (reason.match(/5\d\d/)) {
	reason = 'Server failure';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	} else if (reason.match(/904/)) {
	// Sofia SIP: WAT
	reason = 'Wrong account or password';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	} else {
	reason = 'Connection failed';
	CALLKEEP_REASON = CK_CONSTANTS.END_CALL_REASONS.FAILED;
	}

	if (play_busy_tone) {
	this.playBusyTone();
	}

	if (direction === 'outgoing') {
	this.setState({declineReason: reason});
	}
	this.stopRingback();

	let msg;
	let current_datetime = new Date();
	let formatted_date = utils.appendLeadingZeroes(current_datetime.getHours()) + ":" + utils.appendLeadingZeroes(current_datetime.getMinutes()) + ":" + utils.appendLeadingZeroes(current_datetime.getSeconds());
	if (startTime) {
	let duration = moment.duration(new Date() - startTime);

	if (duration > 3600) {
	duration = duration.format('hh:mm:ss', {trim: false});
	} else {
	duration = duration.format('mm:ss', {trim: false});
	}

	msg = formatted_date + " - " + direction +" " + mediaType + " call ended after " + duration;
	} else {
	msg = formatted_date + " - " + direction +" " + mediaType + " call ended (" + reason + ")";
	}

	this.saveSystemMessage(call.remoteIdentity.uri.toLowerCase(), msg, direction, missed);

	this.callKeeper.endCall(callUUID, CALLKEEP_REASON);

	if (play_busy_tone && oldState !== 'established' && direction === 'outgoing') {
	this._notificationCenter.postSystemNotification('Call ended:', {body: reason});
	}

	this.updateHistoryEntry(callUUID);

	break;
	default:
	break;
	}

	/*
	utils.timestampedLog('---currentCall end:', newCurrentCall);
	utils.timestampedLog('---incomingCall end:', newincomingCall);
	*/

	this.setState({
	currentCall: newCurrentCall,
	incomingCall: newincomingCall
	});

	if (!this.state.currentCall && !this.state.incomingCall) {
	this.speakerphoneOn();

	if (!this.state.reconnectingCall) {
	if (this.state.inFocus) {
	if (this.currentRoute !== '/ready') {
	utils.timestampedLog('Will go to ready in', readyDelay/1000, 'seconds (terminated)', callUUID);
	this.goToReadyTimer = setTimeout(() => {
	this.changeRoute('/ready', 'no_more_calls');
	}, readyDelay);
	}
	} else {
	if (this.currentRoute !== '/conference') {
	this.changeRoute('/ready', 'no_more_calls');
	}
	}
	}
	}

	if (this.state.currentCall) {
	//console.log('Current:', this.state.currentCall.id);
	}
	if (this.state.incomingCall) {
	//console.log('Incoming:', this.state.incomingCall.id);
	}
	}

	goBackToCall() {
	let call = this.state.currentCall \|\| this.state.incomingCall;
	this.setState({inviteContacts: false, selectedContacts: []});

	if (call) {
	if (call.hasOwnProperty('_participants')) {
	this.changeRoute('/conference', 'back to call');
	} else {
	this.changeRoute('/call', 'back to call');
	}
	} else {
	console.log('No call to go back to');
	}
	}

	goBackToHome() {
	this.changeRoute('/ready', 'back to home');
	}

	goBackToHomeFromCall() {
	this.changeRoute('/ready', 'back to home');
	if (this.state.callContact) {
	this.setState({selectedContact: this.state.callContact});
	this.getMessages(this.state.callContact.remoteParty);
	}
	}

	inviteContactsToConference() {
	console.log('Will invite contacts');
	this.setState({inviteContacts: true, selectedContacts: []});
	this.goBackToHome();
	}

	handleRegistration(accountId, password, remember=true) {
	if (this.state.account !== null && this.state.registrationState === 'registered' ) {
	return;
	}

	this.setState({
	accountId : accountId,
	password : password,
	loading : 'Connecting...'
	});

	if (this.state.connection === null) {
	utils.timestampedLog('Web socket handle registration for', accountId);

	const userAgent = 'Sylk Mobile';
	if (this.state.phoneNumber) {
	console.log('Phone number:', this.state.phoneNumber);
	}

	let connection = sylkrtc.createConnection({server: config.wsServer});
	utils.timestampedLog('Web socket', Object.id(connection), 'was opened');
	connection.on('stateChanged', this.connectionStateChanged);
	this.setState({connection: connection});

	} else {
	if (this.state.connection.state === 'ready' && this.state.registrationState !== 'registered') {
	utils.timestampedLog('Web socket', Object.id(this.state.connection), 'handle registration for', accountId);
	this.processRegistration(accountId, password);
	}
	}
	}

	processRegistration(accountId, password, displayName) {
	if (!displayName) {
	displayName = this.state.displayName;
	}

	if (!this.state.connection) {
	return;
	}

	this.updateServerHistory();

	utils.timestampedLog('Process registration for', accountId, '(', displayName, ')');
	if (this.state.account && this.state.connection) {
	this.state.connection.removeAccount(this.state.account,
	(error) => {
	this.setState({registrationState: null, registrationKeepalive: false});
	}
	);
	}

	const options = {
	account: accountId,
	password: password,
	displayName: displayName \|\| ''
	};

	if (this.state.connection._accounts.has(options.account)) {
	return;
	}

	//utils.timestampedLog('Add register 10 sec timer');
	this.registrationFailureTimer = setTimeout(() => {
	this.showRegisterFailure('Register timeout');
	this.processRegistration(accountId, password);
	}, 10000);


	const account = this.state.connection.addAccount(options, (error, account) => {
	if (!error) {
	account.on('outgoingCall', this.outgoingCall);
	account.on('conferenceCall', this.outgoingConference);
	account.on('registrationStateChanged', this.registrationStateChanged);
	account.on('incomingCall', this.incomingCallFromWebSocket);
	account.on('incomingMessage', this.incomingMessage);
	account.on('syncConversations', this.syncConversations);
	account.on('removeConversation', this.removeConversation);
	account.on('removeMessage', this.removeMessage);
	account.on('outgoingMessage', this.outgoingMessage);
	account.on('messageStateChanged', this.messageStateChanged);
	account.on('missedCall', this.missedCall);
	account.on('conferenceInvite', this.conferenceInviteFromWebSocket);
	//utils.timestampedLog('Web socket account', account.id, 'is ready, registering...');
	this.setState({account: account});
	account.register();
	storage.set('account', {
	accountId: this.state.accountId,
	password: this.state.password
	});

	this.generateKeys();

	} else {
	this.showRegisterFailure(408);
	}
	});
	}

	setDevice(device) {
	const oldDevices = Object.assign({}, this.state.devices);

	if (device.kind === 'videoinput') {
	oldDevices['camera'] = device;
	} else if (device.kind === 'audioinput') {
	oldDevices['mic'] = device;
	}

	this.setState({devices: oldDevices});
	storage.set('devices', oldDevices);
	sylkrtc.utils.closeMediaStream(this.state.localMedia);
	this.getLocalMedia();
	}

	getLocalMedia(mediaConstraints={audio: true, video: true}, nextRoute=null) { // eslint-disable-line space-infix-ops
	let callType = mediaConstraints.video ? 'video': 'audio';

	utils.timestampedLog('Get local media for', callType, 'call');
	const constraints = Object.assign({}, mediaConstraints);

	if (constraints.video === true) {
	if ((nextRoute === '/conference')) {
	constraints.video = {
	'width': {
	'ideal': 640
	},
	'height': {
	'ideal': 480
	}
	};

	// TODO: remove this, workaround so at least safari works when joining a video conference
	} else if (nextRoute === '/conference' && isSafari) {
	constraints.video = false;
	} else {
	// ask for 720p video
	constraints.video = {
	'width': {
	'ideal': 640
	},
	'height': {
	'ideal': 480
	}
	};
	}
	}

	logger.debug('getLocalMedia(), (modified) mediaConstraints=%o', constraints);

	navigator.mediaDevices.enumerateDevices()
	.then((devices) => {
	devices.forEach((device) => {
	//console.log(device);
	if ('video' in constraints && 'camera' in this.state.devices) {
	if (constraints.video && constraints.video !== false && (device.deviceId === this.state.devices.camera.deviceId \|\| device.label === this.state.devices.camera.label)) {
	constraints.video.deviceId = {
	exact: device.deviceId
	};
	}
	}
	if ('mic' in this.state.devices) {
	if (device.deviceId === this.state.devices.mic.deviceId \|\| device.label === this.state.devices.mic.Label) {
	// constraints.audio = {
	// deviceId: {
	// exact: device.deviceId
	// }
	// };
	}
	}
	});
	})
	.catch((error) => {
	utils.timestampedLog('Error: device enumeration failed:', error);
	})
	.then(() => {
	return navigator.mediaDevices.getUserMedia(constraints)
	})
	.then((localStream) => {
	clearTimeout(this.loadScreenTimer);
	//utils.timestampedLog('Local media acquired');
	this.setState({localMedia: localStream});
	if (nextRoute !== null) {
	this.changeRoute(nextRoute);
	}
	})
	.catch((error) => {
	utils.timestampedLog('Access to local media failed, trying audio only', error);
	navigator.mediaDevices.getUserMedia({
	audio: true,
	video: false
	})
	.then((localStream) => {
	clearTimeout(this.loadScreenTimer);

	if (nextRoute !== null) {
	this.changeRoute(nextRoute, 'local media aquired');
	}
	})
	.catch((error) => {
	utils.timestampedLog('Access to local media failed:', error);
	clearTimeout(this.loadScreenTimer);
	this._notificationCenter.postSystemNotification("Can't access camera or microphone");
	this.setState({
	loading: null
	});

	this.changeRoute('/ready', 'local media failure');
	});
	});
	}

	getConnection() {
	return this.state.connection ? Object.id(this.state.connection): null;
	}

	callKeepStartConference(targetUri, options={audio: true, video: true, participants: []}) {
	if (!targetUri) {
	return;
	}

	this.resetGoToReadyTimer();

	let callUUID = options.callUUID \|\| uuid.v4();

	let participants = options.participants \|\| null;
	this.addConferenceHistoryEntry(targetUri, callUUID);

	let participantsToInvite = [];

	if (participants) {
	participants.forEach((participant_uri) => {
	if (participant_uri === this.state.accountId) {
	return;
	}
	participantsToInvite.push(participant_uri);
	});
	}

	this.outgoingMedia = options;

	this.setState({outgoingCallUUID: callUUID,
	reconnectingCall: false,
	participantsToInvite: participantsToInvite
	});

	const media = options.video ? 'video' : 'audio';

	if (participantsToInvite) {
	utils.timestampedLog('Will start', media, 'conference', callUUID, 'to', targetUri, 'with', participantsToInvite);
	} else {
	utils.timestampedLog('Will start', media, 'conference', callUUID, 'to', targetUri);
	}

	this.respawnConnection();
	this.startCallWhenReady(targetUri, {audio: options.audio, video: options.video, conference: true, callUUID: callUUID});
	}

	updateSelection(uri) {
	let selectedContacts = this.state.selectedContacts;

	let idx = selectedContacts.indexOf(uri);

	if (idx === -1) {
	selectedContacts.push(uri);
	} else {
	selectedContacts.splice(idx, 1);
	}

	this.setState({selectedContacts: selectedContacts});
	}

	callKeepStartCall(targetUri, options) {
	this.resetGoToReadyTimer();
	let callUUID = options.callUUID \|\| uuid.v4();
	this.setState({outgoingCallUUID: callUUID, reconnectingCall: false});
	utils.timestampedLog('User will start call', callUUID, 'to', targetUri);
	this.respawnConnection();
	this.startCallWhenReady(targetUri, {audio: options.audio, video: options.video, callUUID: callUUID});
	}

	startCall(targetUri, options) {
	this.setState({targetUri: targetUri, callContact: this.state.selectedContact});
	this.getLocalMedia(Object.assign({audio: true, video: options.video}, options), '/call');
	}

	timeoutCall(callUUID, uri) {
	utils.timestampedLog('Timeout answering call', callUUID);
	this.addConferenceHistoryEntry(uri, callUUID, direction='received');
	this.forceUpdate();
	}

	closeLocalMedia() {
	if (this.state.localMedia != null) {
	utils.timestampedLog('Close local media');
	sylkrtc.utils.closeMediaStream(this.state.localMedia);
	this.setState({localMedia: null});
	}
	}

	callKeepAcceptCall(callUUID) {
	// called from user interaction with Old alert panel
	// options used to be media to accept audio only but native panels do not have this feature
	utils.timestampedLog('CallKeep will answer call', callUUID);
	this.callKeeper.acceptCall(callUUID);
	this.hideInternalAlertPanel();
	}

	callKeepRejectCall(callUUID) {
	// called from user interaction with Old alert panel
	utils.timestampedLog('CallKeep will reject call', callUUID);
	this.callKeeper.rejectCall(callUUID);
	this.hideInternalAlertPanel();
	}

	acceptCall(callUUID) {
	utils.timestampedLog('User accepted call', callUUID);
	this.hideInternalAlertPanel();

	this.resetGoToReadyTimer();

	if (this.state.currentCall) {
	utils.timestampedLog('Will hangup current call first');
	this.hangupCall(this.state.currentCall.id, 'accept_new_call');
	// call will continue after transition to /ready
	} else {
	utils.timestampedLog('Will get local media now');
	let hasVideo = (this.state.incomingCall && this.state.incomingCall.mediaTypes && this.state.incomingCall.mediaTypes.video) ? true : false;
	this.getLocalMedia(Object.assign({audio: true, video: hasVideo}), '/call');
	}
	}

	rejectCall(callUUID) {
	// called by Call Keep when user rejects call
	utils.timestampedLog('User rejected call', callUUID);
	this.hideInternalAlertPanel();

	if (!this.state.currentCall) {
	this.changeRoute('/ready', 'rejected');
	}

	if (this.state.incomingCall && this.state.incomingCall.id === callUUID) {
	utils.timestampedLog('Sylkrtc terminate call', callUUID, 'in', this.state.incomingCall.state, 'state');
	this.state.incomingCall.terminate();
	}
	}

	hangupCall(callUUID, reason) {
	utils.timestampedLog('Call', callUUID, 'hangup with reason:', reason);

	let call = this.callKeeper._calls.get(callUUID);
	let direction = null;
	let targetUri = null;

	if (call) {
	let direction = call.direction;
	utils.timestampedLog('Sylkrtc terminate call', callUUID, 'in', call.state, 'state');
	call.terminate();
	}

	if (this.busyToneInterval) {
	clearInterval(this.busyToneInterval);
	this.busyToneInterval = null;
	}

	if (reason === 'outgoing_connection_failed') {
	this.setState({reconnectingCall: true, outgoingCallUUID: uuid.v4()});
	return;
	}

	if (reason === 'user_cancel_call' \|\|
	reason === 'user_hangup_call' \|\|
	reason === 'answer_failed' \|\|
	reason === 'callkeep_hangup_call' \|\|
	reason === 'accept_new_call' \|\|
	reason === 'stop_preview' \|\|
	reason === 'escalate_to_conference' \|\|
	reason === 'user_hangup_conference_confirmed' \|\|
	reason === 'timeout'
	) {
	this.changeRoute('/ready', reason);
	} else if (reason === 'user_hangup_conference') {
	utils.timestampedLog('Save conference maybe?');
	setTimeout(() => {
	this.changeRoute('/ready', 'conference_really_ended');
	}, 15000);
	} else if (reason === 'user_cancelled_conference') {
	utils.timestampedLog('Save conference maybe?');
	setTimeout(() => {
	this.changeRoute('/ready', 'conference_really_ended');
	}, 15000);
	} else {
	utils.timestampedLog('Will go to ready in 6 seconds (hangup)');
	setTimeout(() => {
	this.changeRoute('/ready', reason);
	}, 6000);
	}
	}

	playBusyTone() {
	//utils.timestampedLog('Play busy tone');
	InCallManager.stop({busytone: '_BUNDLE_'});
	}

	callKeepSendDtmf(digits) {
	utils.timestampedLog('Send DTMF', digits);
	if (this.state.currentCall) {
	this.callKeeper.sendDTMF(this.state.currentCall.id, digits);
	}
	}

	toggleProximity() {
	storage.set('proximityEnabled', !this.state.proximityEnabled);

	if (!this.state.proximityEnabled) {
	utils.timestampedLog('Proximity sensor enabled');
	} else {
	utils.timestampedLog('Proximity sensor disabled');
	}
	this.setState({proximityEnabled: !this.state.proximityEnabled});
	}

	toggleMute(callUUID, mute) {
	utils.timestampedLog('Toggle mute for call', callUUID, ':', mute);
	this.callKeeper.setMutedCall(callUUID, mute);
	this.setState({muted: mute});
	}

	async toggleImportPrivateKeyModal() {
	if (this.state.showImportPrivateKeyModal) {
	this.setState({privateKey: null,
	privateKeyImportStatus: '',
	privateKeyImportSuccess: false});
	}
	this.setState({showImportPrivateKeyModal: !this.state.showImportPrivateKeyModal});
	}

	togglePinned() {
	this.setState({pinned: !this.state.pinned});
	}

	toggleSpeakerPhone() {
	if (this.state.speakerPhoneEnabled === true) {
	this.speakerphoneOff();
	} else {
	this.speakerphoneOn();
	}
	}

	speakerphoneOn() {
	utils.timestampedLog('Speakerphone On');
	this.setState({speakerPhoneEnabled: true});
	InCallManager.setForceSpeakerphoneOn(true);
	}

	speakerphoneOff() {
	utils.timestampedLog('Speakerphone Off');
	this.setState({speakerPhoneEnabled: false});
	InCallManager.setForceSpeakerphoneOn(false);
	}

	startGuestConference(targetUri) {
	this.setState({targetUri: targetUri});
	this.getLocalMedia({audio: true, video: true});
	}

	outgoingCall(call) {
	// called by sylkrtc.js when an outgoing call starts

	const localStreams = call.getLocalStreams();
	let mediaType = 'audio';
	let hasVideo = false;

	if (localStreams.length > 0) {
	const localStream = call.getLocalStreams()[0];
	mediaType = localStream.getVideoTracks().length > 0 ? 'video' : 'audio';
	hasVideo = localStream.getVideoTracks().length > 0 ? true : false;
	}

	this.callKeeper.startOutgoingCall(call.id, call.remoteIdentity.uri, hasVideo);

	utils.timestampedLog('Outgoing', mediaType, 'call', call.id, 'started to', call.remoteIdentity.uri);
	this.callKeeper.addWebsocketCall(call);

	call.on('stateChanged', this.callStateChanged);
	this.setState({currentCall: call});
	}

	outgoingConference(call) {
	// called by sylrtc.js when an outgoing conference starts

	const localStreams = call.getLocalStreams();
	let mediaType = 'audio';
	let hasVideo = false;

	if (localStreams.length > 0) {
	const localStream = call.getLocalStreams()[0];
	mediaType = localStream.getVideoTracks().length > 0 ? 'video' : 'audio';
	hasVideo = localStream.getVideoTracks().length > 0 ? true : false;
	}

	this.callKeeper.startOutgoingCall(call.id, call.remoteIdentity.uri, hasVideo);

	utils.timestampedLog('Outgoing', mediaType, 'conference', call.id, 'started to', call.remoteIdentity.uri);
	this.callKeeper.addWebsocketCall(call);

	call.on('stateChanged', this.callStateChanged);
	this.setState({currentCall: call});
	}

	_onLocalNotificationReceivedBackground(notification) {
	let notificationContent = notification.getData();
	utils.timestampedLog('Handle local iOS PUSH notification: ', notificationContent);
	}

	_onNotificationReceivedBackground(notification) {
	let notificationContent = notification.getData();

	const event = notificationContent['event'];
	const callUUID = notificationContent['session-id'];
	const to = notificationContent['to_uri'];
	const from = notificationContent['from_uri'];
	const displayName = notificationContent['from_display_name'];
	const outgoingMedia = {audio: true, video: notificationContent['media-type'] === 'video'};
	const mediaType = notificationContent['media-type'] \|\| 'audio';

	/*
	* Local Notification Payload
	*
	* - `alertBody` : The message displayed in the notification alert.
	* - `alertAction` : The "action" displayed beneath an actionable notification. Defaults to "view";
	* - `soundName` : The sound played when the notification is fired (optional).
	* - `category` : The category of this notification, required for actionable notifications (optional).
	* - `userInfo` : An optional object containing additional notification data.
	*/

	if (event === 'incoming_session') {
	utils.timestampedLog('Push notification: incoming call', callUUID);
	this.startedByPush = true;
	this.incomingCallFromPush(callUUID, from, displayName, mediaType);

	} else if (event === 'incoming_conference_request') {
	utils.timestampedLog('Push notification: incoming conference', callUUID);
	this.startedByPush = true;
	this.incomingConference(callUUID, to, from, displayName, outgoingMedia);

	} else if (event === 'cancel') {
	utils.timestampedLog('Push notification: cancel call', callUUID);
	VoipPushNotification.presentLocalNotification({alertBody:'Call cancelled'});
	this.callKeeper.endCall(callUUID, CK_CONSTANTS.END_CALL_REASONS.REMOTE_ENDED);
	}

	/*
	if (notificationContent['event'] === 'incoming_session') {
	VoipPushNotification.presentLocalNotification({
	alertBody:'Incoming ' + notificationContent['media-type'] + ' call from ' + notificationContent['from_display_name']
	});
	}
	*/

	if (VoipPushNotification.wakeupByPush) {
	utils.timestampedLog('We wake up by push notification');
	VoipPushNotification.wakeupByPush = false;
	VoipPushNotification.onVoipNotificationCompleted(callUUID);
	}
	}


	backToForeground() {
	if (this.state.appState !== 'active') {
	this.callKeeper.backToForeground();
	}

	if (this.state.accountId) {
	this.handleRegistration(this.state.accountId, this.state.password);
	}
	}

	incomingConference(callUUID, to, from, displayName, outgoingMedia={audio: true, video: true}) {
	if (this.unmounted) {
	return;
	}

	const mediaType = outgoingMedia.video ? 'video' : 'audio';

	utils.timestampedLog('Incoming', mediaType, 'conference invite from', from, displayName, 'to room', to);

	if (this.state.account && from === this.state.account.id) {
	utils.timestampedLog('Reject conference call from myself', callUUID);
	this.callKeeper.rejectCall(callUUID);
	return;
	}

	if (this.autoRejectIncomingCall(callUUID, from, to)) {
	return;
	}

	this.setState({incomingCallUUID: callUUID});
	this.callKeeper.handleConference(callUUID, to, from, displayName, mediaType, outgoingMedia);
	}

	startConference(targetUri, options={audio: true, video: true, participants: []}) {
	utils.timestampedLog('New outgoing conference to room', targetUri);
	this.setState({targetUri: targetUri});
	this.getLocalMedia({audio: options.audio, video: options.video}, '/conference');
	}

	escalateToConference(participants) {
	let outgoingMedia = {audio: true, video: true};
	let mediaType = 'video';
	let call;

	if (this.state.currentCall) {
	call = this.state.currentCall;
	} else if (this.state.incomingCall) {
	call = this.state.currentCall;
	} else {
	console.log('No call to escalate');
	return
	}

	const localStreams = call.getLocalStreams();
	if (localStreams.length > 0) {
	const localStream = call.getLocalStreams()[0];
	if (localStream.getVideoTracks().length == 0) {
	outgoingMedia.video = false;
	mediaType = 'audio';
	}
	}

	this.outgoingMedia = outgoingMedia;
	this.participantsToInvite = participants;

	console.log('Escalate', mediaType, 'call', call.id, 'to conference with', participants.toString());
	this.hangupCall(call.id, 'escalate_to_conference');
	}

	conferenceInviteFromWebSocket(data) {
	// comes from web socket
	utils.timestampedLog('Conference invite from websocket', data.id, 'from', data.originator, 'for room', data.room);
	if (this.isConference()) {
	return;
	}
	//this._notificationCenter.postSystemNotification('Expecting conference invite', {body: `from ${data.originator.displayName \|\| data.originator.uri}`});
	}

	updateLinkingURL = (event) => {
	// this handles the use case where the app is running in the background and is activated by the listener...
	//console.log('Updated Linking url', event.url);
	this.eventFromUrl(event.url);
	DeepLinking.evaluateUrl(event.url);
	}

	eventFromUrl(url) {
	url = decodeURI(url);

	try {
	let direction;
	let event;
	let callUUID;
	let from;
	let to;
	let displayName;

	var url_parts = url.split("/");
	let scheme = url_parts[0];
	//console.log(url_parts);

	if (scheme === 'sylk:') {
	//sylk://conference/incoming/callUUID/from/to/media - when Android is asleep
	//sylk://call/outgoing/callUUID/to/displayName - from system dialer/history
	//sylk://call/incoming/callUUID/from/to/displayName - when Android is asleep
	//sylk://call/cancel//callUUID - when Android is asleep

	event = url_parts[2];
	direction = url_parts[3];
	callUUID = url_parts[4];
	from = url_parts[5];
	to = url_parts[6];
	displayName = url_parts[7];
	mediaType = url_parts[8] \|\| 'audio';

	if (event !== 'cancel' && from && from.search('@videoconference.') > -1) {
	event = 'conference';
	to = from;
	}

	this.setState({targetUri: from});

	} else if (scheme === 'https:') {
	// https://webrtc.sipthor.net/conference/DaffodilFlyChill0 from external web link
	// https://webrtc.sipthor.net/call/alice@example.com from external web link
	direction = 'outgoing';
	event = url_parts[3];
	to = url_parts[4];
	callUUID = uuid.v4();

	if (to.indexOf('@') === -1 && event === 'conference') {
	to = url_parts[4] + '@' + config.defaultConferenceDomain;
	} else if (to.indexOf('@') === -1 && event === 'call') {
	to = url_parts[4] + '@' + this.state.defaultDomain;
	}
	this.setState({targetUri: to});
	}

	if (event === 'conference') {
	utils.timestampedLog('Conference from external URL:', url);
	this.startedByPush = true;

	if (direction === 'outgoing' && to) {
	utils.timestampedLog('Outgoing conference to', to);
	this.backToForeground();
	this.callKeepStartConference(to, {audio: true, video: true, callUUID: callUUID});
	} else if (direction === 'incoming' && from) {
	utils.timestampedLog('Incoming conference from', from);
	// allow app to wake up
	this.backToForeground();
	const media = {audio: true, video: mediaType === 'video'}
	this.incomingConference(callUUID, to, from, displayName, media);
	}

	} else if (event === 'call') {
	this.startedByPush = true;
	if (direction === 'outgoing') {
	utils.timestampedLog('Call from external URL:', url);
	utils.timestampedLog('Outgoing call to', from);
	this.backToForeground();
	this.callKeepStartCall(from, {audio: true, video: false, callUUID: callUUID});
	} else if (direction === 'incoming') {
	utils.timestampedLog('Call from external URL:', url);
	utils.timestampedLog('Incoming call from', from);
	this.backToForeground();
	this.incomingCallFromPush(callUUID, from, displayName, mediaType, true);
	} else if (direction === 'cancel') {
	this.cancelIncomingCall(callUUID);
	}


	} else {
	utils.timestampedLog('Error: Invalid external URL event', event);
	}
	} catch (err) {
	utils.timestampedLog('Error parsing URL', url, ":", err);
	}
	}

	autoRejectIncomingCall(callUUID, from, to) {
	//utils.timestampedLog('Check auto reject call from', from);
	if (this.state.blockedUris && this.state.blockedUris.indexOf(from) > -1) {
	utils.timestampedLog('Reject call', callUUID, 'from blocked URI', from);
	this.callKeeper.rejectCall(callUUID);
	this._notificationCenter.postSystemNotification('Call rejected', {body: `from ${from}`});
	return true;
	}

	const fromDomain = '@' + from.split('@')[1]
	if (this.state.blockedUris && this.state.blockedUris.indexOf(fromDomain) > -1) {
	utils.timestampedLog('Reject call', callUUID, 'from blocked domain', fromDomain);
	this.callKeeper.rejectCall(callUUID);
	this._notificationCenter.postSystemNotification('Call rejected', {body: `from domain ${fromDomain}`});
	return true;
	}

	if (this.state.currentCall && this.state.incomingCall && this.state.currentCall === this.state.incomingCall && this.state.incomingCall.id !== callUUID) {
	utils.timestampedLog('Reject second incoming call');
	this.callKeeper.rejectCall(callUUID);
	}

	if (this.state.account && from === this.state.account.id && this.state.currentCall && this.state.currentCall.remoteIdentity.uri === from) {
	utils.timestampedLog('Reject call to myself', callUUID);
	this.callKeeper.rejectCall(callUUID);
	return true;
	}

	if (this._terminatedCalls.has(callUUID)) {
	utils.timestampedLog('Reject call already terminated', callUUID);
	this.cancelIncomingCall(callUUID);
	return true;
	}

	if (this.isConference()) {
	utils.timestampedLog('Reject call while in a conference', callUUID);
	if (to !== this.state.targetUri) {
	this._notificationCenter.postSystemNotification('Missed call from', {body: from});
	}
	this.callKeeper.rejectCall(callUUID);
	return true;
	}

	if (this.state.currentCall && this.state.currentCall.state === 'progress' && this.state.currentCall.remoteIdentity.uri !== from) {
	utils.timestampedLog('Reject call while outgoing in progress', callUUID);
	this.callKeeper.rejectCall(callUUID);
	this._notificationCenter.postSystemNotification('Missed call from', {body: from});
	return true;
	}

	return false;
	}

	autoAcceptIncomingCall(callUUID, from) {
	// TODO: handle ping pong where we call each other back
	if (this.state.currentCall &&
	this.state.currentCall.direction === 'outgoing' &&
	this.state.currentCall.state === 'progress' &&
	this.state.currentCall.remoteIdentity.uri === from) {

	this.hangupCall(this.state.currentCall.id, 'accept_new_call');
	this.setState({currentCall: null});

	utils.timestampedLog('Auto accept incoming call from same address I am calling', callUUID);
	return true;
	}

	return false;
	}

	incomingCallFromPush(callUUID, from, displayName, mediaType, force) {
	//utils.timestampedLog('Handle incoming PUSH call', callUUID, 'from', from, '(', displayName, ')');

	if (this.unmounted) {
	return;
	}

	if (this.autoRejectIncomingCall(callUUID, from)) {
	return;
	}

	//this.showInternalAlertPanel();

	if (this.autoAcceptIncomingCall(callUUID, from)) {
	return;
	}

	this.goToReadyNowAndCancelTimer();

	this.setState({targetUri: from});

	let skipNativePanel = false;

	if (!this.callKeeper._calls.get(callUUID) \|\| (this.state.currentCall && this.state.currentCall.direction === 'outgoing')) {
	//this._notificationCenter.postSystemNotification('Incoming call', {body: `from ${from}`});
	if (Platform.OS === 'android' && this.state.appState === 'foreground') {
	skipNativePanel = true;
	}
	}

	this.callKeeper.incomingCallFromPush(callUUID, from, displayName, mediaType, force, skipNativePanel);

	}

	incomingCallFromWebSocket(call, mediaTypes) {

	if (this.unmounted) {
	return;
	}

	this.callKeeper.addWebsocketCall(call);

	const callUUID = call.id;
	const from = call.remoteIdentity.uri;

	//utils.timestampedLog('Handle incoming web socket call', callUUID, 'from', from, 'on connection', Object.id(this.state.connection));

	// because of limitation in Sofia stack, we cannot have more then two calls at a time
	// we can have one outgoing call and one incoming call but not two incoming calls
	// we cannot have two incoming calls, second one is automatically rejected by sylkrtc.js

	if (this.autoRejectIncomingCall(callUUID, from)) {
	return;
	}

	const autoAccept = this.autoAcceptIncomingCall(callUUID, from);

	this.goToReadyNowAndCancelTimer();

	call.mediaTypes = mediaTypes;

	call.on('stateChanged', this.callStateChanged);

	this.setState({incomingCall: call});

	let skipNativePanel = false;

	if (this.state.currentCall && this.state.currentCall.direction === 'outgoing') {
	if (Platform.OS === 'android') {
	this.showInternalAlertPanel();
	skipNativePanel = true;
	}
	}

	this.callKeeper.incomingCallFromWebSocket(call, autoAccept, skipNativePanel);
	}

	missedCall(data) {
	utils.timestampedLog('Missed call from ' + data.originator.uri, '(', data.originator.displayName, ')');

	/*
	let msg;
	let current_datetime = new Date();
	let formatted_date = utils.appendLeadingZeroes(current_datetime.getHours()) + ":" + utils.appendLeadingZeroes(current_datetime.getMinutes()) + ":" + utils.appendLeadingZeroes(current_datetime.getSeconds());
	msg = formatted_date + " - missed call";
	this.saveSystemMessage(data.originator.uri.toLowerCase(), msg, 'incoming', true);
	*/

	if (!this.state.currentCall) {
	let from = data.originator.displayName \|\| data.originator.uri;
	this._notificationCenter.postSystemNotification('Missed call', {body: `from ${from}`});
	if (Platform.OS === 'ios') {
	VoipPushNotification.presentLocalNotification({alertBody:'Missed call from ' + from});
	}
	}

	this.updateServerHistory()
	}

	updateServerHistory() {
	if (this.currentRoute === '/ready') {
	this.setState({refreshHistory: !this.state.refreshHistory});
	}
	}

	startPreview() {
	this.getLocalMedia({audio: true, video: true}, '/preview');
	}

	updateHistoryEntry(callUUID) {
	let newHistory = this.state.localHistory;
	var historyItem = this.findObjectByKey(newHistory, 'sessionId', callUUID);
	if (historyItem) {
	let current_datetime = new Date();
	let stopTime = current_datetime.getFullYear() + "-" + utils.appendLeadingZeroes(current_datetime.getMonth() + 1) + "-" + utils.appendLeadingZeroes(current_datetime.getDate()) + " " + utils.appendLeadingZeroes(current_datetime.getHours()) + ":" + utils.appendLeadingZeroes(current_datetime.getMinutes()) + ":" + utils.appendLeadingZeroes(current_datetime.getSeconds());
	historyItem.stopTime = stopTime;
	var diff = current_datetime.getTime() - historyItem.startTimeObject.getTime();
	historyItem.duration = parseInt(diff/1000);
	delete historyItem['startTimeObject'];
	if (this._historyConferenceParticipants.has(callUUID)) {
	historyItem.participants = this._historyConferenceParticipants.get(callUUID);
	} else {
	historyItem.participants = [];
	}
	this.setState({localHistory: newHistory});
	storage.set('history', newHistory);
	}
	}

	sendPublicKey(uri) {
	if (!uri) {
	console.log('Missing uri, cannot send public key');
	}

	if (uri === this.state.accountId) {
	return;
	}

	// Send outgoing messages
	if (this.state.account && this.state.keys && this.state.keys.public) {
	console.log('Sending public key to', uri);
	this.state.account.sendMessage(uri, this.state.keys.public, {}, 'text/pgp-public-key');
	} else {
	console.log('No public key available');
	}
	}

	async sendPrivateKey(password) {
	if (!this.state.account) {
	console.log('No account');
	return;
	}

	password = password.trim();
	const public_key = this.state.keys.public.replace(/\r/g, '').trim();
	const private_key = this.state.keys.private.replace(/\r/g, '').trim();

	const publicKeyHash = await RNSimpleCrypto.SHA.sha1(public_key);
	const privateKeyHash = await RNSimpleCrypto.SHA.sha1(private_key);

	const publicKeyHashContainer = "--PUBLIC KEY SHA1 CHECKSUM--" + publicKeyHash + "--";
	const privateKeyHashContainer = "--PRIVATE KEY SHA1 CHECKSUM--" + privateKeyHash + "--";

	const keyPair = 'THIS IS THE KEY PAIR:\n' + this.state.keys.public + '\n' + this.state.keys.private + '\n' + publicKeyHashContainer + '\n' + privateKeyHashContainer;

	await OpenPGP.encryptSymmetric(keyPair, password, KeyOptions).then((encryptedBuffer) => {
	utils.timestampedLog('Sending encrypted private key');
	this.state.account.sendMessage(this.state.account.id, encryptedBuffer, {}, 'text/pgp-private-key');
	}).catch((error) => {
	console.log('Error encrypting private key:', error);
	});
	}

	async savePrivateKey(password) {
	utils.timestampedLog('Save encrypted private key');
	password = password.trim();
	await OpenPGP.decryptSymmetric(this.state.privateKey, password).then((keyPair) => {
	utils.timestampedLog('Decrypted PGP private pair');
	this.processPrivateKey(keyPair);
	}).catch((error) => {
	console.log('Error decrypting PGP private key:', error);
	return
	});
	}

	async processPrivateKey(keyPair) {
	utils.timestampedLog('Process key');
	keyPair = keyPair.replace(/\r/g, '').trim();

	let public_key;
	let private_key;
	let privateKeyHash;
	let publicKeyHash;

	let regexp;
	let match;

	regexp = /(-----BEGIN PGP PUBLIC KEY BLOCK-----[^]*-----END PGP PUBLIC KEY BLOCK-----)/ig;
	match = keyPair.match(regexp);
	if (match.length === 1) {
	public_key = match[0];
	}

	regexp = /(-----BEGIN PGP PRIVATE KEY BLOCK-----[^]*-----END PGP PRIVATE KEY BLOCK-----)/ig;
	match = keyPair.match(regexp);
	if (match.length === 1) {
	private_key = match[0];
	}

	regexp = /--PUBLIC KEY SHA1 CHECKSUM--(\w*)--/ig;
	match = keyPair.match(regexp);
	if (match.length === 1) {
	publicKeyHash = match[0];
	}

	regexp = /--PRIVATE KEY SHA1 CHECKSUM--(\w*)--/ig;
	match = keyPair.match(regexp);
	if (match.length === 1) {
	privateKeyHash = match[0];
	}

	const privateKeyHashCalculated = await RNSimpleCrypto.SHA.sha1(private_key);
	const publicKeyHashCalculated = await RNSimpleCrypto.SHA.sha1(public_key);

	if (public_key && publicKeyHash.indexOf(publicKeyHashCalculated) > -1 && private_key && privateKeyHash.indexOf(privateKeyHashCalculated) > -1) {
	console.log("Private key copied from another device");

	let keys = this.state.keys;
	keys.private = private_key;
	keys.public = public_key;
	keys.publicKeyHash = publicKeyHashCalculated;
	storage.set('keys', keys);
	this.setState({keys: keys});

	let status = (keys.private !== private_key && keys.public !== public_key) ? 'Private key copied successfully' : 'Private key is the same';
	this.setState({privateKeyImportStatus: status,
	privateKeyImportSuccess: true});
	} else {
	this.setState({privateKeyImportStatus: 'Incorrect password!',
	privateKeyImportSuccess: false});

	//console.log('public_key', public_key);
	//console.log('private_key', private_key);
	//console.log('public_key_sha1', publicKeyHash);
	//console.log('private_key_sha1', privateKeyHash);
	}
	}

	async savePublicKey(uri, key) {
	if (!key) {
	console.log('Missing key');
	return;
	}

	key = key.replace(/\r/g, '').trim();

	if (!key.startsWith("-----BEGIN PGP PUBLIC KEY BLOCK-----")) {
	console.log('Cannot find the start of PGP public key');
	return;
	}

	if (!key.endsWith("-----END PGP PUBLIC KEY BLOCK-----")) {
	console.log('Cannot find the end of PGP public key');
	return;
	}

	let myContacts = this.state.myContacts;

	if (uri in myContacts) {
	//
	} else {
	myContacts[uri] = {};
	}

	if (myContacts[uri].publicKey === key) {
	//console.log('Public key of', uri, 'did not change');
	return;
	}

	utils.timestampedLog('Public key of', uri, 'saved');

	const publicKeyHash = await RNSimpleCrypto.SHA.sha1(key);
	this.saveSystemMessage(uri, 'Public key received', 'incoming');
	this.saveSystemMessage(uri, 'Key id ' + publicKeyHash, 'incoming');

	myContacts[uri].publicKey = key;
	myContacts[uri].publicKeyHash = publicKeyHash;
	this.saveMyContacts(myContacts);

	this.sendPublicKey(uri);
	}

	_sendMessage(uri, text, id) {
	// Send outgoing messages
	if (this.state.account && text) {
	this.state.account.sendMessage(uri, text, {id: id});
	utils.timestampedLog('Message', id, 'was sent');
	}
	}

	async sendMessage(uri, message) {
	message.sent = false;
	message.received = false;
	message.direction = 'outgoing';

	if (this.state.account) {
	message.pending = true;
	} else {
	message.pending = false;
	}

	this.saveOutgoingMessage(uri, message);

	let renderMessages = this.state.messages;
	if (Object.keys(renderMessages).indexOf(uri) === -1) {
	renderMessages[uri] = [];
	}

	renderMessages[uri].push(message);
	this.setState({messages: renderMessages});

	if (uri in this.state.myContacts && this.state.myContacts[uri].publicKey && message.contentType !== 'text/pgp-public-key') {
	await OpenPGP.encrypt(message.text, this.state.myContacts[uri].publicKey).then((encryptedMessage) => {
	//console.log('Outgoing encrypted message to', uri);
	this._sendMessage(uri, encryptedMessage, message._id);
	}).catch((error) => {
	console.log('Failed to encrypt message:', error);
	});
	} else {
	console.log('Outgoing non-encrypted message to', uri);
	this._sendMessage(uri, message.text, message._id);
	}
	}

	async reSendMessage(message, uri) {
	await this.deleteMessage(message._id, uri).then((result) => {
	message._id = uuid.v4();
	message.createdAt = new Date();
	this.sendMessage(uri, message);
	}).catch((error) => {
	console.log('Failed to delete old messages');
	});
	}

	async saveOutgoingMessage(uri, message) {
	this.saveOutgoingChatUri(uri, message.text);

	let query = "INSERT INTO messages (msg_id, timestamp, content, content_type, from_uri, to_uri, "
	+ " direction, pending, sent, received) VALUES ('"
	+ message._id
	+ "', '"
	+ message.createdAt
	+ "', '"
	+ base64.encode(message.text)
	+ "', '"
	+ 'text/plain'
	+ "', '"
	+ this.state.account.id
	+ "', '"
	+ uri
	+ "', '"
	+ 'outgoing'
	+ "', "
	+ "0, 0, 0"
	+ ")";

	//console.log(query);

	await this.ExecuteQuery(query).then((result) => {
	//console.log('SQL insert message OK');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async saveConferenceMessage(uri, message) {
	let query = "INSERT INTO messages (msg_id, timestamp, content, content_type, from_uri, to_uri, "
	+ " direction, pending, sent, received) VALUES ('"
	+ message._id
	+ "', '"
	+ message.createdAt
	+ "', '"
	+ base64.encode(message.text)
	+ "', '"
	+ 'text/plain'
	+ "', '"
	+ this.state.account.id
	+ "', '"
	+ uri
	+ "', '"
	+ 'outgoing'
	+ "', '"
	+ (message.pending ? 1: 0)
	+ "', '"
	+ (message.sent ? 1: 0)
	+ "', '"
	+ (message.received ? 1: 0)
	+ "')";

	//console.log(query);

	await this.ExecuteQuery(query).then((result) => {
	//console.log('SQL insert message OK');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async messageStateChanged(obj) {
	// valid API states: pending -> accepted -> delivered -> displayed,
	// error, failed or forbidden
	// valid UI render states: pending, read, received

	let id = obj.messageId;
	let state = obj.state;
	let uri;

	utils.timestampedLog('Message', id, 'was', state);

	let query;

	if (state == 'accepted') {
	query = "UPDATE messages set pending = 0 where msg_id = '" + id + "'";
	} else if (state == 'delivered') {
	query = "UPDATE messages set sent = 1 where msg_id = '" + id + "'";
	} else if (state == 'displayed') {
	query = "UPDATE messages set received = 1 where msg_id = '" + id + "'";
	} else if (state == 'failed') {
	query = "UPDATE messages set received = 0, sent = 1, pending = 0 where msg_id = '" + id + "'";
	} else if (state == 'error') {
	query = "UPDATE messages set received = 0, sent = 1, pending = 0 where msg_id = '" + id + "'";
	} else if (state == 'forbidden') {
	query = "UPDATE messages set received = 0, sent = 1, pending = 0 where msg_id = '" + id + "'";
	} else if (state == 'received') {
	query = "UPDATE messages set received = 0, sent = 1, pending = 0 where msg_id = '" + id + "'";
	}

	//console.log(query);
	await this.ExecuteQuery(query).then((results) => {
	this.updateRenderMessage(id, state);
	// console.log('SQL update OK');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async deleteMessage(id, uri, local=true) {
	utils.timestampedLog('Message', id, 'was deleted');
	let query;
	// TODO send request to server
	query = "DELETE from messages where msg_id = '" + id + "'";
	//console.log(query);
	if (local) {
	this.addJournal(id, 'removeMessage', {uri: uri});
	}
	await this.ExecuteQuery(query).then((results) => {
	this.deleteRenderMessage(id, uri);
	// console.log('SQL update OK');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async expireMessage(id, duration=300) {
	utils.timestampedLog('Expire message', id, 'in', duration, 'seconds after read');
	// TODO expire message
	}

	async deleteRenderMessage(id, uri) {
	if (uri.indexOf('@videoconference.') > -1) {
	uri = uri.split('@')[0];
	}

	let changes = false;
	let renderedMessages = this.state.messages;
	let newRenderedMessages = [];
	if (uri in this.state.messages) {
	renderedMessages[uri].forEach((m) => {
	if (m._id !== id) {
	newRenderedMessages.push(m);
	} else {
	changes = true;
	}
	});

	renderedMessages[uri] = newRenderedMessages;
	}
	if (changes) {
	this.setState({messages: renderedMessages});
	}
	}

	async updateRenderMessage(id, state) {
	let query;
	let uri;
	let changes = false;

	query = "SELECT * from messages where msg_id = '" + id + "';";
	//console.log(query);
	await this.ExecuteQuery(query,[]).then((results) => {
	let rows = results.rows;
	if (rows.length === 1) {
	var item = rows.item(0);
	uri = item.direction === 'outgoing' ? item.to_uri : item.from_uri;
	//console.log('Message uri', uri, 'new state', state);
	if (uri in this.state.messages) {
	let renderedMessages = this.state.messages;

	renderedMessages[uri].forEach((m) => {
	if (m._id === id) {
	if (state === 'accepted') {
	m.pending = false;
	changes = true;
	}

	if (state === 'delivered') {
	m.sent = true;
	m.pending = false;
	changes = true;
	}

	if (state === 'displayed') {
	m.received = true;
	m.sent = true;
	m.pending = false;
	changes = true;
	}

	if (state === 'failed') {
	m.received = false;
	m.sent = false;
	m.pending = false;
	m.failed = true;
	changes = true;
	}

	if (state === 'pinned') {
	m.pinned = true;
	changes = true;
	}

	if (state === 'unpinned') {
	m.pinned = false;
	changes = true;
	}
	}
	});

	if (changes) {
	this.setState({messages: renderedMessages});
	}
	} else {
	//console.log('Messages for', uri, 'are not rendered now');
	}
	}

	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async saveOutgoingChatUri(uri, content='') {
	//console.log('saveOutgoingChatUri', uri);
	let current_datetime = new Date();
	let formatted_date = current_datetime.getFullYear() + "-" + utils.appendLeadingZeroes(current_datetime.getMonth() + 1) + "-" + utils.appendLeadingZeroes(current_datetime.getDate()) + " " + utils.appendLeadingZeroes(current_datetime.getHours()) + ":" + utils.appendLeadingZeroes(current_datetime.getMinutes()) + ":" + utils.appendLeadingZeroes(current_datetime.getSeconds());
	let query;

	let myContacts = this.state.myContacts;

	if (uri in myContacts) {
	//
	} else {
	myContacts[uri] = {};
	}

	myContacts[uri].timestamp = formatted_date;
	myContacts[uri].unread = 0;
	myContacts[uri].lastMessage = content.substring(0, 35);

	this.saveMyContacts(myContacts);
	}

	pinMessage(id) {
	let query;
	query = "UPDATE messages set pinned = 1 where msg_id ='" + id + "'";
	//console.log(query);
	this.ExecuteQuery(query).then((results) => {
	console.log('Message', id, 'pinned');
	this.updateRenderMessage(id, 'pinned')
	this.addJournal(id, 'pinMessage');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	unpinMessage(id) {
	let query;
	query = "UPDATE messages set pinned = 0 where msg_id ='" + id + "'";
	//console.log(query);
	this.ExecuteQuery(query).then((results) => {
	this.updateRenderMessage(id, 'unpinned')
	this.addJournal(id, 'unPinMessage');
	console.log('Message', id, 'unpinned');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async addJournal(id, action, data={}) {
	//console.log('Add journal entry:', action, id);
	this.mySyncJournal[uuid.v4()] = {id: id, action: action, data: data};
	this.replayJournal();
	}

	async replayJournal() {
	utils.timestampedLog('Sync journal');
	let op;
	let executed_ops = [];

	Object.keys(this.mySyncJournal).forEach((key) => {
	executed_ops.push(key);
	op = this.mySyncJournal[key];
	if (op.action === 'removeConversation') {
	this.state.account.removeConversation(op.id, (error) => {
	// TODO: add period and delete remote flags
	if (!error) {
	utils.timestampedLog(op.action, op.id, 'journal operation was completed');
	executed_ops.push(key);
	} else {
	utils.timestampedLog(op.action, op.id, 'journal operation failed:', error);
	}
	});

	} else if (op.action === 'removeMessage') {
	this.state.account.removeMessage({id: op.id, receiver: op.data.uri}, (error) => {
	if (!error) {
	utils.timestampedLog(op.action, op.id, 'journal operation completed');
	executed_ops.push(key);
	} else {
	utils.timestampedLog(op.action, op.id, 'journal operation failed:', error);
	}
	});
	}
	});

	executed_ops.forEach((key) => {
	delete this.mySyncJournal[key];
	});

	storage.set('mySyncJournal', this.mySyncJournal);
	}

	async confirmRead(uri){
	if (uri.indexOf('@') === -1) {
	return;
	}

	//console.log('Confirm read messages for', uri);
	let query;
	let displayed = [];

	query = "SELECT * FROM messages where from_uri = '" + uri + "' and received = 0 and system is NULL";
	//console.log(query);

	await this.ExecuteQuery(query).then((results) => {
	let rows = results.rows;
	if (rows.length > 0) {
	//console.log('We must confirm read of', rows.length, 'messages');
	}
	for (let i = 0; i < rows.length; i++) {
	var item = rows.item(i);
	if (this.sendDispositionNotification(item)) {
	displayed.push(item.msg_id);
	}
	}

	if (displayed.length > 0) {
	let sql_ids = '';
	let i = 1;
	displayed.forEach((msg_id) => {
	sql_ids = sql_ids + "'" + msg_id + "'";
	if (i < displayed.length) {
	sql_ids = sql_ids + ', ';
	}
	i = i + 1;
	});

	query = "UPDATE messages set received = 1 where msg_id in (" + sql_ids + ")";
	//console.log(query);
	this.ExecuteQuery(query).then((results) => {
	//console.log('Sent disposition saved for', displayed.length, 'messages');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});

	this.resetUnreadCount(uri);
	}

	async resetUnreadCount(uri) {
	//console.log('Reset read count for', uri);
	let myContacts = this.state.myContacts;
	if (uri in myContacts && myContacts[uri].unread > 0) {
	myContacts[uri].unread = 0;
	this.saveMyContacts(myContacts);
	}
	}

	async sendDispositionNotification(message) {
	let query;
	let result = {};

	this.state.account.sendDispositionNotification(message.from_uri, message.msg_id, message.timestamp, 'displayed',(error) => {
	if (!error) {
	utils.timestampedLog('Message', message.msg_id, 'was displayed');
	return true;
	} else {
	utils.timestampedLog('Displayed notification for message', message.msg_id, 'send failed');
	return false;
	}
	});
	}

	async getMessages(uri, limit=200){
	//console.log('Get messages with', uri);
	let messages = this.state.messages;
	let msg;
	let query;

	query = "SELECT * FROM messages where from_uri = '"
	+ uri
	+ "' or to_uri = '"
	+ uri
	+ "' order by id desc limit "
	+ limit
	+ ";";

	// TODO add pagination, reload older messages

	//console.log(query);
	await this.ExecuteQuery(query).then((results) => {
	//console.log('SQL get messages OK');
	let myContacts = this.state.myContacts;

	let rows = results.rows;
	messages[uri] = [];
	let content;
	let image;

	/*
	if (uri in this.state.myContacts && this.state.myContacts[uri].publicKeyHash) {
	msg = {
	_id: uuid.v4(),
	createdAt: new Date(),
	text: 'Public key ' + this.state.myContacts[uri].publicKeyHash,
	system: 1
	}
	messages[uri].push(msg);
	}
	*/

	for (let i = 0; i < rows.length; i++) {
	var item = rows.item(i);
	//console.log(item);
	content = base64.decode(item.content);
	if (item.content_type === 'text/html') {
	content = xss(content, {
	whiteList: [], // empty, means filter out all tags
	stripIgnoreTag: true, // filter out all HTML not in the whitelist
	stripIgnoreTagBody: ["script"] // the script tag is a special case, we need
	// to filter out its content
	});
	content = utils.escapeHtml(content);
	} else if (item.content_type === 'text/plain') {
	content = content;
	} else if (item.content_type.indexOf('image/') > -1) {
	image = `data:${item.content_type};base64,${btoa(content)}`
	} else {
	content = 'Unknown message type received ' + item.content_type;
	}

	if (i == 0 && !image && item.to_uri in myContacts && !myContacts[item.to_uri].lastMessage) {
	myContacts[item.to_uri].lastMessage = content.substring(0, 35);
	this.saveMyContacts(myContacts);
	}

	let failed = (item.pending === 0 && item.received === 0 && item.sent === 1) ? true: false,

	msg = {
	_id: item.msg_id,
	text: content,
	image: image,
	createdAt: item.timestamp,
	sent: ((item.sent === 1 \|\| item.received === 1) && !failed) ? true : false,
	direction: item.direction,
	received: item.received === 1 ? true : false,
	pending: (item.pending === 1 && item.sent !== 1) ? true : false,
	system: item.system === 1 ? true : false,
	failed: (item.pending === 0 && item.received === 0 && item.sent === 1) ? true: false,
	pinned: (item.pinned === 1) ? true: false,
	user: item.direction == 'incoming' ? {_id: item.from_uri, name: item.from_name} : {}
	}
	messages[uri].push(msg)
	}

	messages[uri].reverse();

	if (messages[uri].length > 0) {
	console.log('Got', messages[uri].length, 'messages for', uri);
	//console.log(messages[uri]);
	}

	this.setState({messages: messages});

	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async deleteMessages(uri, local=true, period="0", deleteRemote=false) {
	console.log('Purge messages with', uri, 'for', period, 'hours');
	let query;

	if (local) {
	this.addJournal(uri, 'removeConversation', {period: period, deleteRemote: deleteRemote});
	}
	query = "DELETE FROM messages where (from_uri = '"
	+ uri
	+ "' or to_uri = '"
	+ uri
	+ "')";

	if (period && period !== "0") {
	query = query + " and timestamp >= date('now', '-" + period + " hour') ";
	}

	await this.ExecuteQuery(query).then((result) => {
	if (!period \|\| period === "0") {
	//console.log('Remove all messages');
	if (uri in this.state.myContacts) {
	let myContacts = this.state.myContacts;
	myContacts[uri].read = 0;
	myContacts[uri].lastMessage = null;
	myContacts[uri].timestamp = '';
	this.saveMyContacts(myContacts);
	}
	let messages = this.state.messages;
	delete messages[uri];
	this.setState({messages: messages});
	} else {
	this.getMessages(uri);
	}

	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});

	// TODO deleteRemote

	}

	playIncomingSound() {
	let must_play_sound = true;

	if (this.msg_sound_played_ts) {
	let diff = (Date.now() - this.msg_sound_played_ts)/ 1000;
	if (diff < 10) {
	must_play_sound = false;
	}
	}

	this.msg_sound_played_ts = Date.now();

	if (must_play_sound) {
	try {
	if (Platform.OS === 'ios') {
	SoundPlayer.setSpeaker(true);
	}
	SoundPlayer.playSoundFile('message_received', 'wav');
	} catch (e) {
	console.log('Cannot play message_received.wav', e);
	}
	}
	}

	async outgoingMessage(message, sync=false) {
	utils.timestampedLog('Outgoing message', message.id);
	if (message.content.indexOf('?OTRv3') > -1) {
	return;
	}

	if (message.contentType === 'text/pgp-private-key' && message.sender.uri === this.state.account.id) {
	console.log('Received my own PGP private key');
	this.setState({showImportPrivateKeyModal: true,
	privateKey: message.content});
	return;
	}

	if (message.contentType === 'text/pgp-public-key') {
	return;
	}

	if (message.contentType === 'message/imdn') {
	return;
	}

	let decryptedBody = message.content;
	// TODO: we need to decrypt our own messages too, but how if we only encrypted using remote public key?

	this.saveOutgoingChatUri(message.receiver, decryptedBody);

	let pending = 0;
	let sent = 0;
	let received = 0;

	if (message.state == 'delivered') {
	sent = 1;
	} else if (message.state == 'displayed') {
	received = 1;
	sent = 1;
	} else if (message.state == 'failed') {
	sent = 1;
	} else if (message.state == 'error') {
	sent = 1;
	} else if (message.state == 'forbidden') {
	sent = 1;
	}

	let query = "INSERT INTO messages (msg_id, timestamp, content, content_type, from_uri, to_uri, "
	+ " direction, pending, sent, received) VALUES ('"
	+ message.id
	+ "', '"
	+ message.timestamp
	+ "', '"
	+ base64.encode(decryptedBody)
	+ "', '"
	+ message.contentType
	+ "', '"
	+ message.sender.uri
	+ "', '"
	+ message.receiver
	+ "', '"
	+ 'outgoing'
	+ "', "
	+ pending + ", " + sent + ", " + received
	+ ")";

	//console.log(query);

	await this.ExecuteQuery(query).then((result) => {
	//console.log('SQL insert message OK');
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});

	if (!sync) {
	this.lastSyncedMessageId = message.id;
	storage.set('lastSyncedMessageId', this.lastSyncedMessageId);
	}
	}

	async removeMessage(message, recipient=null) {
	if (recipient === null) {
	recipient = message.state === 'received' ? message.receiver : message.sender.uri;
	}

	await this.deleteMessage(message.id, recipient, false).then((result) => {
	console.log('Message', id, 'to', recipient, 'removed');
	}).catch((error) => {
	console.log('Failed to remove message', message.id, 'to', recipient);
	});

	let renderMessages = this.state.messages;
	if (Object.keys(renderMessages).indexOf(recipient) === -1) {
	return;
	}

	let existingMessages = renderMessages[recipient];
	let newMessages = [];

	existingMessages.forEach((msg) => {
	if (msg.id === message.id) {
	return;
	}
	newMessages.push(msg);
	});

	renderMessages[recipient] = newMessages;
	this.setState({messages: renderMessages});
	}

	async removeConversation(message) {
	await this.deleteMessages(message.content, false, 0, false).then((result) => {
	console.log('Conversation with', message.content, 'was removed');
	}).catch((error) => {
	console.log('Failed to delete conversation with', message.content);
	});

	let renderMessages = this.state.messages;
	if (Object.keys(renderMessages).indexOf(message.content) === -1) {
	return;
	}

	delete renderMessages[message.content];
	this.setState({messages: renderMessages});
	}

	async syncConversations(messages) {
	console.log('Sync', messages.length, 'events from server');
	messages.forEach((message) => {
	//console.log('Process message', message);

	if (message.contentType === 'application/sylk-message-remove') {
	this.removeMessage(message, message.content.contact);

	} else if (message.contentType === 'application/sylk-conversation-remove') {
	this.removeConversation(message);

	} else if (message.contentType === 'message/imdn') {
	this.messageStateChanged({messageId: message.id, state: message.state});

	} else {
	if (message.sender.uri === this.state.account.id) {
	this.incomingMessage(message, true);
	} else {
	this.outgoingMessage(message);
	}
	}

	this.lastSyncedMessageId = message.id;
	});
	storage.set('lastSyncedMessageId', this.lastSyncedMessageId);
	}

	async incomingMessage(message, sync=false) {
	utils.timestampedLog('Message', message.id, 'was received');
	// Handle incoming messages
	if (message.content.indexOf('?OTRv3') > -1) {
	return;
	}

	if (message.contentType === 'text/pgp-public-key') {
	this.savePublicKey(message.sender.uri, message.content);
	return;
	}

	if (message.contentType === 'text/pgp-private-key' && message.sender.uri === this.state.account.id) {
	if (!sync) {
	console.log('Received PGP private key from another device');
	this.setState({showImportPrivateKeyModal: true,
	privateKey: message.content});
	}
	return;
	}

	const is_encrypted = message.content.indexOf('-----BEGIN PGP MESSAGE-----') > -1 && message.content.indexOf('-----END PGP MESSAGE-----') > -1;

	if (is_encrypted) {
	if (!this.state.keys \|\| !this.state.keys.private) {
	if (!sync) {
	console.log('Missing private key, cannot decrypt message');
	this.saveSystemMessage(message.sender.uri, 'Cannot decrypt: no private key', 'incoming');
	}
	} else {
	await OpenPGP.decrypt(message.content, this.state.keys.private).then((decryptedBody) => {
	//console.log('Incoming message decrypted');
	this.handleIncomingMessage(message, decryptedBody, sync);
	}).catch((error) => {
	if (!sync) {
	console.log('Failed to decrypt message:', error);
	this.sendPublicKey(message.sender.uri);
	//this.saveSystemMessage(message.sender.uri, 'Cannot decrypt: wrong public key', 'incoming');
	}
	});
	}
	} else {
	//console.log('Incoming message is not encrypted');
	this.handleIncomingMessage(message, message.content, sync, message.contentType);
	}

	if (!sync) {
	this.lastSyncedMessageId = message.id;
	storage.set('lastSyncedMessageId', this.lastSyncedMessageId);
	}
	}

	handleIncomingMessage(message, decryptedBody, sync=false, contentType='text/plain') {
	let content = decryptedBody \|\| message.content;

	this.saveIncomingMessage(message.sender.uri, message, content, contentType);

	if (sync) {
	return;
	}

	let renderMessages = this.state.messages;
	if (Object.keys(renderMessages).indexOf(message.sender.uri) === -1) {
	renderMessages[message.sender.uri] = [];
	}

	renderMessages[message.sender.uri].push(utils.sylkToRenderMessage(message, decryptedBody));
	this.setState({messages: renderMessages});
	}

	async saveSystemMessage(uri, content, direction, missed=false) {
	let timestamp = new Date();

	let query = "INSERT INTO messages (msg_id, timestamp, content, content_type, from_uri, to_uri, pending, system, direction) VALUES ('"
	+ uuid.v4()
	+ "', '"
	+ timestamp
	+ "', '"
	+ base64.encode(content)
	+ "', '"
	+ 'text/plain'
	+ "', '"
	+ (direction === 'incoming' ? uri : this.state.account.id)
	+ "', '"
	+ (direction === 'outgoing' ? uri : this.state.account.id)
	+ "', 0, 1, '"
	+ direction
	+ "')";

	//console.log(query);

	await this.ExecuteQuery(query).then((result) => {
	if (missed) {
	this.updateUnreadMessages(uri);
	}
	}).catch((error) => {
	console.log('SQL query:', query);
	console.log('SQL error:', error);
	});
	}

	async saveIncomingMessage(uri, message, decryptedBody=null, contentType='text/plain') {
	var content = decryptedBody \|\| message.content;
	const state = message.state;

	let received = 0;

	if (message.dispositionState === 'displayed') {
	received = 1;
	}

	let query = "INSERT INTO messages (msg_id, timestamp, content, content_type, from_uri, to_uri, direction, received) VALUES ('"
	+ message.id
	+ "', '"
	+ message.timestamp
	+ "', '"
	+ base64.encode(content)
	+ "', '"
	+ message.contentType
	+ "', '"
	+ message.sender.uri
	+ "', '"
	+ this.state.account.id
	+ "', 'incoming', "
	+ received
	+ ")";

	//console.log(query);
	await this.ExecuteQuery(query).then((result) => {
	this.updateUnreadMessages(uri, message.sender.toString(), content, contentType);
	}).catch((error) => {
	//console.log('SQL query:', query);
	if (error.message.indexOf('UNIQUE constraint failed') === -1) {
	console.log('SQL error:', error);
	}
	});
	}

	async updateUnreadMessages(uri, name='', content='', contentType='text/html') {
	let current_datetime = new Date();
	let formatted_date = current_datetime.getFullYear() + "-" + utils.appendLeadingZeroes(current_datetime.getMonth() + 1) + "-" + utils.appendLeadingZeroes(current_datetime.getDate()) + " " + utils.appendLeadingZeroes(current_datetime.getHours()) + ":" + utils.appendLeadingZeroes(current_datetime.getMinutes()) + ":" + utils.appendLeadingZeroes(current_datetime.getSeconds());

	let myContacts = this.state.myContacts;

	if (uri in myContacts) {
	//
	} else {
	myContacts[uri] = {'name': name};
	}

	if (myContacts[uri].unread >= 1) {
	myContacts[uri].unread = myContacts[uri].unread + 1;
	} else {
	myContacts[uri].unread = 1;
	}

	if (contentType === 'text/html') {
	content = utils.html2Text(content);
	} else if (contentType.indexOf('image/') > -1) {
	content = 'Image';
	}

	myContacts[uri].lastMessage = content.substring(0, 35);
	myContacts[uri].timestamp = formatted_date;
	//console.log(uri, 'has', myContacts[uri].unread, 'unread messages');

	this.saveMyContacts(myContacts);
	}

	saveParticipant(callUUID, room, uri) {
	if (this._historyConferenceParticipants.has(callUUID)) {
	let old_participants = this._historyConferenceParticipants.get(callUUID);
	if (old_participants.indexOf(uri) === -1) {
	old_participants.push(uri);
	}

	} else {
	let new_participants = [uri];
	this._historyConferenceParticipants.set(callUUID, new_participants);
	}

	if (!this.myParticipants) {
	this.myParticipants = new Object();
	}

	if (this.myParticipants.hasOwnProperty(room)) {
	let old_uris = this.myParticipants[room];
	if (old_uris.indexOf(uri) === -1 && uri !== this.state.account.id && (uri + '@' + this.state.defaultDomain) !== this.state.account.id) {
	this.myParticipants[room].push(uri);
	}

	} else {
	let new_uris = [];
	if (uri !== this.state.account.id && (uri + '@' + this.state.defaultDomain) !== this.state.account.id) {
	new_uris.push(uri);
	}

	if (new_uris) {
	this.myParticipants[room] = new_uris;
	}
	}

	storage.set('myParticipants', this.myParticipants);
	}

	deleteContact(uri) {
	uri = uri.trim().toLowerCase();

	if (uri.indexOf('@') === -1) {
	uri = uri + '@' + this.state.defaultDomain;
	}

	let myContacts = this.state.myContacts;

	if (uri in myContacts) {
	console.log('Delete contact', uri);
	this.deleteMessages(uri);
	delete myContacts[uri];
	this.saveMyContacts(myContacts);
	}
	this.setState({selectedContact: null, target_uri: ''});
	}

	deletePublicKey(uri) {
	uri = uri.trim().toLowerCase();

	if (uri.indexOf('@') === -1) {
	uri = uri + '@' + this.state.defaultDomain;
	}

	let myContacts = this.state.myContacts;

	if (uri in myContacts) {
	myContacts[uri].publicKey = null;
	myContacts[uri].publicKeyHash = null;
	console.log('Public key of', uri, 'deleted');
	this.saveMyContacts(myContacts);
	//
	}
	}

	saveContact(uri, displayName, organization='') {
	displayName = displayName.trim();
	uri = uri.trim().toLowerCase();

	if (uri.indexOf('@') === -1) {
	uri = uri + '@' + this.state.defaultDomain;
	}

	console.log('Save contact', displayName, 'with uri', uri, 'and organization', organization);

	let myContacts = this.state.myContacts;

	if (uri in myContacts) {
	//
	} else {
	myContacts[uri] = {};
	let current_datetime = new Date();
	let formatted_date = current_datetime.getFullYear() + "-" + utils.appendLeadingZeroes(current_datetime.getMonth() + 1) + "-" + utils.appendLeadingZeroes(current_datetime.getDate()) + " " + utils.appendLeadingZeroes(current_datetime.getHours()) + ":" + utils.appendLeadingZeroes(current_datetime.getMinutes()) + ":" + utils.appendLeadingZeroes(current_datetime.getSeconds());
	myContacts[uri].timestamp = formatted_date;
	}

	myContacts[uri].name = displayName;
	myContacts[uri].organization = organization;
	myContacts[uri].name = displayName;
	myContacts[uri].favorite = false;
	myContacts[uri].blocked = false;

	this.saveMyContacts(myContacts);

	let selectedContact = this.state.selectedContact;
	if (selectedContact && selectedContact.remoteParty === uri) {
	selectedContact.displayName = displayName;
	selectedContact.organization = organization;
	this.setState({selectedContact: selectedContact});
	}

	if (uri === this.state.accountId) {
	storage.set('displayName', displayName);
	storage.set('organization', organization);
	this.setState({displayName: displayName, organization: organization});
	if (this.state.account && displayName !== this.state.account.displayName) {
	this.processRegistration(this.state.accountId, this.state.password, displayName);
	}
	}
	}

	toggleFavorite(uri) {
	let favoriteUris = this.state.favoriteUris;
	let idx = favoriteUris.indexOf(uri);
	let favorite;

	if (idx === -1) {
	favoriteUris.push(uri);
	favorite = true;
	console.log(uri, 'is favorite');
	} else {
	let removed = favoriteUris.splice(idx, 1);
	favorite = false;
	console.log(uri, 'is not favorite');
	}

	storage.set('favoriteUris', favoriteUris);

	let myContacts = this.state.myContacts;
	if (uri in myContacts) {
	myContacts[uri].favorite = favorite;
	} else {
	myContacts[uri] = {};
	myContacts[uri].name = '';
	myContacts[uri].favorite = favorite;
	}

	let selectedContact;
	if (this.state.selectedContact) {
	selectedContact = this.state.selectedContact;
	idx = selectedContact.tags.indexOf('favorite');
	if (idx > -1) {
	selectedContact.tags.splice(idx, 1);
	} else {
	selectedContact.tags.push('favorite');
	}
	}

	this.setState({favoriteUris: favoriteUris,
	selectedContact: selectedContact,
	refreshFavorites: !this.state.refreshFavorites});

	this.saveMyContacts(myContacts);
	return favorite;
	}

	toggleBlocked(uri) {
	let blockedUris = this.state.blockedUris;

	let blocked;
	let idx = blockedUris.indexOf(uri);

	if (idx === -1) {
	blockedUris.push(uri);
	blocked = true;
	console.log(uri, 'is blocked');
	} else {
	let removed = blockedUris.splice(idx, 1);
	blocked = false;
	console.log(uri, 'is not blocked');
	}

	storage.set('blockedUris', blockedUris);
	this.setState({blockedUris: blockedUris, selectedContact: null});

	let myContacts = this.state.myContacts;
	if (uri in myContacts) {
	myContacts[uri].blocked = blocked;
	} else {
	myContacts[uri] = {};
	myContacts[uri].name = uri;
	myContacts[uri].blocked = blocked;
	}

	this.saveMyContacts(myContacts);

	return blocked;
	}

	saveMyContacts(myContacts) {
	storage.set('myContacts', myContacts);
	this.setState({myContacts: myContacts});
	}

	appendInvitedParties(room, uris) {
	room = room.split('@')[0];
	console.log('Save invited parties', uris, 'for room', room);
	let myInvitedParties = this.state.myInvitedParties;

	if (!myInvitedParties) {
	myInvitedParties = new Object();
	}

	let current_uris = myInvitedParties.hasOwnProperty(room) ? myInvitedParties[room] : [];
	uris.forEach((uri) => {
	let idx = current_uris.indexOf(uri);
	if (idx === -1) {
	if (uri.indexOf('@') === -1) {
	uri = uri + '@' + this.state.defaultDomain;
	}

	if (uri !== this.state.account.id) {
	current_uris.push(uri);
	console.log('Added', uri, 'to room', room);
	}
	}
	});

	this.saveInvitedParties(room, uris);
	}

	saveInvitedParties(room, uris) {
	room = room.split('@')[0];
	console.log('Save invited parties', uris, 'for room', room);
	let myInvitedParties = this.state.myInvitedParties;

	if (!myInvitedParties) {
	myInvitedParties = new Object();
	}

	let new_uris = [];
	uris.forEach((uri) => {
	if (uri.indexOf('@') === -1) {
	uri = uri + '@' + this.state.defaultDomain;
	}

	if (uri !== this.state.account.id) {
	new_uris.push(uri);
	console.log('Added', uri, 'to room', room);
	}
	});

	myInvitedParties[room] = new_uris;

	console.log('Save invited parties', myInvitedParties);
	storage.set('myInvitedParties', myInvitedParties);
	this.setState({myInvitedParties: myInvitedParties});
	}

	deleteHistoryEntry(uri) {
	let history = this.state.localHistory;
	for (var i = history.length - 1; i >= 0; --i) {
	if (history[i].remoteParty === uri) {
	history.splice(i,1);
	}
	}

	storage.set('history', history);
	this.setState({localHistory: history});
	}

	addConferenceHistoryEntry(uri, callUUID, direction='placed', participants=[]) {
	let current_datetime = new Date();
	let startTime = current_datetime.getFullYear() + "-" + utils.appendLeadingZeroes(current_datetime.getMonth() + 1) + "-" + utils.appendLeadingZeroes(current_datetime.getDate()) + " " + utils.appendLeadingZeroes(current_datetime.getHours()) + ":" + utils.appendLeadingZeroes(current_datetime.getMinutes()) + ":" + utils.appendLeadingZeroes(current_datetime.getSeconds());

	let item = {
	remoteParty: uri,
	direction: direction,
	type: 'history',
	conference: true,
	participants: participants,
	media: ['audio', 'video'],
	displayName: uri.split('@')[0],
	sessionId: callUUID,
	startTime: startTime,
	stopTime: startTime,
	startTimeObject: current_datetime,
	duration: 0,
	tags: ['history', 'local']
	};

	const historyItem = Object.assign({}, item);
	let newHistory = this.state.localHistory;
	newHistory.push(historyItem);
	this.setState({localHistory: newHistory});
	storage.set('history', newHistory);
	}

	render() {
	let footerBox = <View style={styles.footer}><FooterBox /></View>;

	let extraStyles = {};

	if (this.state.localMedia \|\| this.state.registrationState === 'registered') {
	footerBox = null;
	}

	return (
	<PaperProvider theme={theme}>
	<Router history={history} ref="router">
	<ImageBackground source={backgroundImage} style={{width: '100%', height: '100%'}}>
	<View style={mainStyle.MainContainer} onLayout={(event) => this.setState({
	Width_Layout : event.nativeEvent.layout.width,
	Height_Layout : event.nativeEvent.layout.height
	}, ()=> this._detectOrientation())}>
	<SafeAreaView style={[styles.root, extraStyles]}>
	<IncomingCallModal
	call={this.state.incomingCall}
	onAccept={this.callKeepAcceptCall}
	onReject={this.callKeepRejectCall}
	show={this.state.showIncomingModal}
	contacts = {this.contacts}
	/>

	<LogsModal
	logs={this.state.logs}
	show={this.state.showLogsModal}
	refresh={this.showLogs}
	close={this.hideLogsModal}
	purgeLogs={this.purgeLogs}
	orientation={this.state.orientation}
	/>

	<LoadingScreen
	text={this.state.loading}
	show={this.state.loading !== null && this.currentRoute === '/login'}
	orientation={this.state.orientation}
	isTablet={this.state.isTablet}
	/>
	<Switch>
	<Route exact path="/" component={this.main} />
	<Route exact path="/login" component={this.login} />
	<Route exact path="/logout" component={this.logout} />
	<Route exact path="/ready" component={this.ready} />
	<Route exact path="/call" component={this.call} />
	<Route exact path="/conference" component={this.conference} />
	<Route exact path="/preview" component={this.preview} />
	<Route component={this.notFound} />
	</Switch>

	<NotificationCenter ref="notificationCenter" />

	</SafeAreaView>
	</View>
	</ImageBackground>
	</Router>
	</PaperProvider>
	);
	}

	notFound(match) {

	const status = {
	title : '404',
	message : 'Oops, the page your looking for can\'t found',
	level : 'danger',
	width : 'large'
	}
	return (
	<StatusBox
	{...status}
	/>
	);
	}

	saveHistoryForLater(history) {
	//console.log('Cache history for later', history.length)
	this.cachedHistory = history;
	storage.set('cachedHistory', history);
	}

	hideLogsModal() {
	this.setState({showLogsModal: false});
	}

	purgeLogs() {
	RNFS.unlink(logfile)
	.then(() => {
	utils.timestampedLog('Log file initialized');
	this.showLogs();
	})
	// `unlink` will throw an error, if the item to unlink does not exist
	.catch((err) => {
	console.log(err.message);
	});
	}

	showLogs() {
	this.setState({showLogsModal: true});
	RNFS.readFile(logfile, 'utf8').then((content) => {
	console.log('Read', content.length, 'bytes from', logfile);
	const lastlines = content.split('\n').slice(-MAX_LOG_LINES).join('\n');
	this.setState({logs: lastlines});
	});
	}

	trimLogs() {
	RNFS.readFile(logfile, 'utf8').then((content) => {
	const lines = content.split('\n');
	//console.log('Read', lines.length, 'lines and', content.length, 'bytes from', logfile);
	if (lines.length > (MAX_LOG_LINES + 50) \|\| content.length > 100000) {
	const text = lines.slice(-MAX_LOG_LINES).join('\n');
	RNFS.writeFile(logfile, text + '\r\n', 'utf8')
	.then((success) => {
	//console.log('Trimmed logs to', MAX_LOG_LINES, 'lines and', text.length, 'bytes');
	})
	.catch((err) => {
	console.log(err.message);
	});
	}
	});
	}

	ready() {
	let publicKeyHash;
	let publicKey;
	let call = this.state.currentCall \|\| this.state.incomingCall;

	if (this.state.selectedContact) {
	const uri = this.state.selectedContact.remoteParty;
	if (uri in this.state.myContacts && this.state.myContacts[uri].publicKeyHash) {
	publicKeyHash = this.state.myContacts[uri].publicKeyHash;
	publicKey = this.state.myContacts[uri].publicKey;
	}
	} else {
	publicKeyHash = this.state.keys ? this.state.keys.publicKeyHash : null;
	}

	return (
	<Fragment>
	<NavigationBar
	notificationCenter = {this.notificationCenter}
	account = {this.state.account}
	accountId = {this.state.accountId}
	logout = {this.logout}
	inCall = {(this.state.incomingCall \|\| this.state.currentCall) ? true: false}
	toggleSpeakerPhone = {this.toggleSpeakerPhone}
	toggleProximity = {this.toggleProximity}
	proximity = {this.state.proximityEnabled}
	preview = {this.startPreview}
	showLogs = {this.showLogs}
	goBackFunc = {this.goBackToHome}
	connection = {this.state.connection}
	registrationState = {this.state.registrationState}
	orientation = {this.state.orientation}
	isTablet = {this.state.isTablet}
	displayName = {this.state.displayName}
	organization = {this.state.organization}
	selectedContact = {this.state.selectedContact}
	replicateKey = {this.sendPrivateKey}
	publicKeyHash = {publicKeyHash}
	publicKey = {publicKey}
	deleteMessages = {this.deleteMessages}
	toggleFavorite = {this.toggleFavorite}
	toggleBlocked = {this.toggleBlocked}
	togglePinned = {this.togglePinned}
	myInvitedParties={this.state.myInvitedParties}
	saveInvitedParties={this.saveInvitedParties}
	defaultDomain = {this.state.defaultDomain}
	favoriteUris = {this.state.favoriteUris}
	startCall = {this.callKeepStartCall}
	saveContact = {this.saveContact}
	deleteContact = {this.deleteContact}
	sendPublicKey = {this.sendPublicKey}
	deletePublicKey = {this.deletePublicKey}

	/>
	<ReadyBox
	account = {this.state.account}
	password = {this.state.password}
	config = {config}
	inCall = {(this.state.incomingCall \|\| this.state.currentCall) ? true: false}
	startCall = {this.callKeepStartCall}
	startConference = {this.callKeepStartConference}
	missedTargetUri = {this.state.missedTargetUri}
	orientation = {this.state.orientation}
	contacts = {this.contacts}
	isTablet = {this.state.isTablet}
	isLandscape = {this.state.orientation === 'landscape'}
	refreshHistory = {this.state.refreshHistory}
	refreshFavorites = {this.state.refreshFavorites}
	cacheHistory = {this.saveHistoryForLater}
	localHistory = {this.state.localHistory}
	serverHistory = {this.cachedHistory}
	myDisplayName = {this.state.displayName}
	myPhoneNumber = {this.state.myPhoneNumber}
	deleteHistoryEntry = {this.deleteHistoryEntry}
	saveInvitedParties = {this.saveInvitedParties}
	myInvitedParties = {this.state.myInvitedParties}
	toggleFavorite = {this.toggleFavorite}
	toggleBlocked = {this.toggleBlocked}
	favoriteUris = {this.state.favoriteUris}
	blockedUris = {this.state.blockedUris}
	defaultDomain = {this.state.defaultDomain}
	saveContact = {this.saveContact}
	myContacts = {this.state.myContacts}
	lookupContacts = {this.lookupContacts}
	confirmRead = {this.confirmRead}
	selectedContact = {this.state.selectedContact}
	call = {this.state.incomingCall \|\| this.state.currentCall}
	goBackFunc = {this.goBackToCall}
	messages = {this.state.messages}
	deleteMessages = {this.deleteMessages}
	sendMessage = {this.sendMessage}
	expireMessage = {this.expireMessage}
	reSendMessage = {this.reSendMessage}
	deleteMessage = {this.deleteMessage}
	getMessages = {this.getMessages}
	pinMessage = {this.pinMessage}
	unpinMessage = {this.unpinMessage}
	selectContact = {this.selectContact}
	sendPublicKey = {this.sendPublicKey}
	inviteContacts = {this.state.inviteContacts}
	selectedContacts = {this.state.selectedContacts}
	updateSelection = {this.updateSelection}
	togglePinned = {this.togglePinned}
	pinned = {this.state.pinned}
	/>

	<ImportPrivateKeyModal
	show={this.state.showImportPrivateKeyModal}
	close={this.toggleImportPrivateKeyModal}
	saveFunc={this.savePrivateKey}
	status={this.state.privateKeyImportStatus}
	success={this.state.privateKeyImportSuccess}
	/>
	</Fragment>
	);
	}

	preview() {
	return (
	<Fragment>
	<Preview
	localMedia = {this.state.localMedia}
	hangupCall = {this.hangupCall}
	setDevice = {this.setDevice}
	selectedDevices = {this.state.devices}
	/>
	</Fragment>
	);
	}

	call() {
	let call = this.state.currentCall \|\| this.state.incomingCall;
	let callState;

	if (call && call.id in this.state.callsState) {
	callState = this.state.callsState[call.id];
	}

	return (
	<Call
	account = {this.state.account}
	targetUri = {this.state.targetUri}
	call = {call}
	callState = {callState}
	connection = {this.state.connection}
	registrationState = {this.state.registrationState}
	localMedia = {this.state.localMedia}
	escalateToConference = {this.escalateToConference}
	hangupCall = {this.hangupCall}
	showLogs = {this.showLogs}
	generatedVideoTrack = {this.state.generatedVideoTrack}
	callKeepSendDtmf = {this.callKeepSendDtmf}
	toggleMute = {this.toggleMute}
	callKeepStartCall = {this.callKeepStartCall}
	toggleSpeakerPhone = {this.toggleSpeakerPhone}
	speakerPhoneEnabled = {this.state.speakerPhoneEnabled}
	speakerphoneOn = {this.speakerphoneOn}
	speakerphoneOff = {this.speakerphoneOff}
	callUUID = {this.state.outgoingCallUUID}
	contacts = {this.contacts}
	intercomDtmfTone = {this.intercomDtmfTone}
	orientation = {this.state.orientation}
	isTablet = {this.state.isTablet}
	reconnectingCall = {this.state.reconnectingCall}
	muted = {this.state.muted}
	myContacts = {this.state.myContacts}
	declineReason = {this.state.declineReason}
	goBackFunc={this.goBackToHomeFromCall}
	messages = {this.state.messages}
	sendMessage={this.sendMessage}
	reSendMessage={this.reSendMessage}
	expireMessage = {this.expireMessage}
	deleteMessage = {this.deleteMessage}
	getMessages = {this.getMessages}
	pinMessage = {this.pinMessage}
	unpinMessage = {this.unpinMessage}
	confirmRead = {this.confirmRead}
	selectedContact={this.state.selectedContact}
	/>
	)
	}

	conference() {
	let _previousParticipants = new Set();

	let call = this.state.currentCall \|\| this.state.incomingCall;
	let callState;

	if (call && call.id in this.state.callsState) {
	callState = this.state.callsState[call.id];
	}

	/*
	if (this.myParticipants) {
	let room = this.state.targetUri.split('@')[0];
	if (this.myParticipants.hasOwnProperty(room)) {
	let uris = this.myParticipants[room];
	if (uris) {
	uris.forEach((uri) => {
	if (uri.search(this.state.defaultDomain) > -1) {
	let user = uri.split('@')[0];
	_previousParticipants.add(user);
	} else {
	_previousParticipants.add(uri);
	}
	});
	}
	}
	}
	*/

	if (this.state.myInvitedParties) {
	let room = this.state.targetUri.split('@')[0];
	if (this.state.myInvitedParties.hasOwnProperty(room)) {
	let uris = this.state.myInvitedParties[room];
	if (uris) {
	uris.forEach((uri) => {
	_previousParticipants.add(uri);
	});
	}
	}
	}

	let previousParticipants = Array.from(_previousParticipants);

	return (
	<Conference
	notificationCenter = {this.notificationCenter}
	localMedia = {this.state.localMedia}
	account = {this.state.account}
	targetUri = {this.state.targetUri}
	connection = {this.state.connection}
	registrationState = {this.state.registrationState}
	currentCall = {this.state.currentCall}
	saveParticipant = {this.saveParticipant}
	saveMessage = {this.saveConferenceMessage}
	myInvitedParties = {this.state.myInvitedParties}
	saveInvitedParties = {this.appendInvitedParties}
	previousParticipants = {previousParticipants}
	participantsToInvite = {this.state.participantsToInvite}
	hangupCall = {this.hangupCall}
	shareScreen = {this.switchScreensharing}
	generatedVideoTrack = {this.state.generatedVideoTrack}
	toggleMute = {this.toggleMute}
	toggleSpeakerPhone = {this.toggleSpeakerPhone}
	speakerPhoneEnabled = {this.state.speakerPhoneEnabled}
	callUUID = {this.state.outgoingCallUUID}
	proposedMedia = {this.outgoingMedia}
	isLandscape = {this.state.orientation === 'landscape'}
	isTablet = {this.state.isTablet}
	muted = {this.state.muted}
	defaultDomain = {this.state.defaultDomain}
	startedByPush = {this.startedByPush}
	inFocus = {this.state.inFocus}
	reconnectingCall = {this.state.reconnectingCall}
	toggleFavorite = {this.toggleFavorite}
	favoriteUris = {this.state.favoriteUris}
	myContacts = {this.state.myContacts}
	lookupContacts={this.lookupContacts}
	goBackFunc={this.goBackToHome}
	inviteToConferenceFunc={this.inviteContactsToConference}
	selectedContacts={this.state.selectedContacts}
	callState={callState}
	/>
	)
	}

	matchContact(contact, filter='', matchDisplayName=true) {
	if (contact.remoteParty.toLowerCase().startsWith(filter.toLowerCase())) {
	return true;
	}

	if (matchDisplayName && contact.displayName && contact.displayName.toLowerCase().indexOf(filter.toLowerCase()) > -1) {
	return true;
	}

	return false;
	}

	lookupContacts(text, addressbook=true, favorites=true, localHistory=true, serverHistory=true) {
	let contacts = [];

	if (addressbook) {
	const addressbook_contacts = this.contacts.filter(contact => this.matchContact(contact, text));
	addressbook_contacts.forEach((c) => {
	const existing_contacts = contacts.filter(contact => this.matchContact(contact, c.remoteParty.toLowerCase(), false));
	if (existing_contacts.length === 0) {
	contacts.push(c);
	}
	});
	}

	if (favorites) {
	const favorite_contacts = this.favoritesContacts.filter(contact => this.matchContact(contact, text));
	favorite_contacts.forEach((c) => {
	const existing_contacts = contacts.filter(contact => this.matchContact(contact, c.remoteParty.toLowerCase(), false));
	if (existing_contacts.length === 0) {
	contacts.push(c);
	}
	});
	}

	if (localHistory) {
	const local_history_contacts = this.state.localHistory.filter(contact => this.matchContact(contact, text));
	local_history_contacts.forEach((c) => {
	const existing_contacts = contacts.filter(contact => this.matchContact(contact, c.remoteParty.toLowerCase(), false));
	if (c.remoteParty.toLowerCase().indexOf('@guest.')) {
	}
	if (c.remoteParty.toLowerCase().indexOf('@conference.')) {
	}
	if (c.remoteParty.toLowerCase().indexOf('@videoconference.')) {
	}
	if (existing_contacts.length === 0) {
	contacts.push(c);
	}
	});
	}

	if (serverHistory) {
	const server_history_contacts = this.cachedHistory.filter(contact => this.matchContact(contact, text));
	server_history_contacts.forEach((c) => {
	const existing_contacts = contacts.filter(contact => this.matchContact(contact, c.remoteParty.toLowerCase(), false));
	if (c.remoteParty.toLowerCase().indexOf('@guest.')) {
	}
	if (c.remoteParty.toLowerCase().indexOf('@conference.')) {
	}
	if (existing_contacts.length === 0) {
	contacts.push(c);
	}
	});
	}

	return contacts;
	}

	get favoritesContacts() {
	let favoriteContacts = [];
	let displayName = '';
	let conference = false;

	this.state.favoriteUris.forEach((uri) => {

	if (!uri) {
	return;
	}

	uri = uri.toLowerCase();

	displayName = '';

	if (this.state.myContacts && this.state.myContacts.hasOwnProperty(uri)) {
	displayName = this.state.myContacts[uri].name;
	}

	conference = false;

	let tags = ['favorite'];

	if (uri.indexOf('@videoconference.') > -1) {
	displayName = uri.split('@')[0];
	const room = uri.split('@')[0];
	uri = room + '@' + config.defaultConferenceDomain;
	conference = true;
	tags.push('conference');
	}

	const item = {
	remoteParty: uri,
	displayName: displayName,
	conference: conference,
	type: 'contact',
	id: uuid.v4(),
	tags: tags
	};

	favoriteContacts.push(item);
	});

	return favoriteContacts;
	}


	conferenceByUri(urlParameters) {
	const targetUri = utils.normalizeUri(urlParameters.targetUri, config.defaultConferenceDomain);
	const idx = targetUri.indexOf('@');
	const uri = {};
	const pattern = /^[A-Za-z0-9\-\_]+$/g;
	uri.user = targetUri.substring(0, idx);

	// check if the uri.user is valid
	if (!pattern.test(uri.user)) {
	const status = {
	title : 'Invalid conference',
	message : `Oops, the conference ID is invalid: ${targetUri}`,
	level : 'danger',
	width : 'large'
	}
	return (
	<StatusBox
	{...status}
	/>
	);
	}

	return (
	<ConferenceByUriBox
	notificationCenter = {this.notificationCenter}
	handler = {this.handleConferenceByUri}
	targetUri = {targetUri}
	localMedia = {this.state.localMedia}
	account = {this.state.account}
	currentCall = {this.state.currentCall}
	hangupCall = {this.hangupCall}
	shareScreen = {this.switchScreensharing}
	generatedVideoTrack = {this.state.generatedVideoTrack}
	/>
	);
	}

	login() {
	let registerBox;
	let statusBox;
	this.mustLogout = false;

	if (this.state.status !== null) {
	statusBox = (
	<StatusBox
	message={this.state.status.msg}
	level={this.state.status.level}
	/>
	);
	}

	if (this.state.registrationState !== 'registered') {
	registerBox = (
	<RegisterBox
	registrationInProgress = {this.state.registrationState !== null && this.state.registrationState !== 'failed'}
	handleRegistration = {this.handleRegistration}
	autoLogin={this.state.autoLogin}
	orientation = {this.state.orientation}
	isTablet = {this.state.isTablet}
	phoneNumber= {this.state.phoneNumber}
	/>
	);
	}

	return (
	<Fragment>
	{registerBox}
	{statusBox}
	</Fragment>
	);
	}

	logout() {
	this.callKeeper.setAvailable(false);

	if (!this.mustLogout && this.state.registrationState !== null && this.state.connection && this.state.connection.state === 'ready') {
	// remove token from server
	this.mustLogout = true;
	this.state.account.setDeviceToken('None', Platform.OS, deviceId, true, bundleId);
	this.state.account.register();
	return;
	} else if (this.mustLogout && this.state.connection && this.state.account) {
	this.state.account.unregister();
	}

	this.tokenSent = false;
	if (this.state.connection && this.state.account) {
	this.state.connection.removeAccount(this.state.account, (error) => {
	if (error) {
	logger.debug(error);
	}
	});
	}

	storage.set('account', {accountId: this.state.accountId,
	password: this.state.password});

	this.serverHistory = [];
	this.setState({account: null,
	registrationState: null,
	registrationKeepalive: false,
	status: null,
	autoLogin: false,
	history: [],
	localHistory: [],
	cachedHistory: [],
	defaultDomain: config.defaultDomain
	});

	this.changeRoute('/login', 'user logout');
	return null;
	}

	main() {
	return null;
	}
	}

	export default Sylk;

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