lightdm-webkit2-greeter/themes/antergos/js/greeter.js

var DEBUG = true;
var selectedUser = null;
var auth_pending = null;
var users_shown = null;

function buildUserList() {
// User list building
    var userList = document.getElementById('user-list2');
    for (var i in lightdm.users) {
        var user = lightdm.users[i];
        var tux = 'img/antergos-logo-user.png';
        var imageSrc = user.image.length > 0 ? user.image : tux;
        var lastSession = localStorage.getItem(user.name);
        if (lastSession == null || lastSession == undefined) {
            localStorage.setItem(user.name, lightdm.default_session);
            lastSession = localStorage.getItem(user.name);
        }
        log('Last Session (' + user.name + '): ' + lastSession);
        var li = '<a href="#' + user.name + '" class="list-group-item ' + user.name + '" onclick="startAuthentication(\'' + user.name + '\')" session="' + lastSession + '">' +
            '<img src="' + imageSrc + '" class="img-square" alt="' + user.display_name + '" onerror="imgNotFound(this)"/> ' +
            '<span>' + user.display_name + '</span>' +
            '<span class="badge"><i class="fa fa-check"></i></span>' +
            '</a>';
        $(userList).append(li);
    }
}
function buildSessionList() {
// Build Session List
    for (i in lightdm.sessions) {
        var session = lightdm.sessions[i];
        var btnGrp = document.getElementById('sessions');
        var theClass = session.name.replace(/ /g, '');
        var button = '\n<li><a href="#" id="' + session.key + '" onclick="sessionToggle(this)" class="' + theClass + '">' + session.name + '</a></li>';

        $(btnGrp).append(button);


    }
}
function show_users() {
    if ($('#collapseOne').hasClass('in')) {
        $('#trigger').trigger('click');
        users_shown = true;
    }
    if ($('#user-list2 a').length <= 1) $('#user-list2 a').trigger('click');

}
/**
 * UI Initialization.
 */
$(document).ready(function () {

    initialize_timer();
    get_hostname();

    buildUserList();
    buildSessionList();
    // Password submit when enter key is pressed

    $(document).keydown(function (e) {
        checkKey(e);
    });
    // Action buttons
    addActionLink("shutdown");
    addActionLink("hibernate");
    addActionLink("suspend");
    addActionLink("restart");

});

function get_hostname() {
    var hostname = lightdm.hostname;
    var hostname_span = document.getElementById('hostname');
    $(hostname_span).append(hostname);
}

/**
 * Actions management.
 *
 *
 */

function update_time() {
    var time = document.getElementById("current_time");
    var date = new Date();
    var twelveHr = [
        'sq-al',
        'zh-cn',
        'zh-tw',
        'en-au',
        'en-bz',
        'en-ca',
        'en-cb',
        'en-jm',
        'en-ng',
        'en-nz',
        'en-ph',
        'en-us',
        'en-tt',
        'en-zw',
        'es-us',
        'es-mx'];
    var userLang = window.navigator.language;
    var is_twelveHr = twelveHr.indexOf(userLang);
    var hh = date.getHours();
    var mm = date.getMinutes();
    var suffix = "AM";
    if (hh >= 12) {
        suffix = "PM";
        if (is_twelveHr !== -1 && is_twelveHr !== 12) {
            hh = hh - 12;
        }
    }
    if (mm < 10) {
        mm = "0" + mm;
    }
    if (hh === 0 && is_twelveHr !== -1) {
        hh = 12;
    }
    time.innerHTML = hh + ":" + mm + " " + suffix;
}

function initialize_timer() {
    var userLang = window.navigator.language;
    log(userLang);
    update_time();
    setInterval(update_time, 60000);
}

function checkKey(event){
    var action;
    switch (event.which) {
        case 13:
            action = auth_pending ? submitPassword() : !users_shown ? show_users() : 0;
            log(action);
            break;
        case 27:
            action = auth_pending ? cancelAuthentication() : 0;
            log(action);
            break;
        case 32:
            action = !users_shown && !auth_pending ? show_users() : 0;
            log(action);
            break;
        default:
            break;
    }
}

function addActionLink(id) {
    if (eval("lightdm.can_" + id)) {
        var label = id.substr(0, 1).toUpperCase() + id.substr(1, id.length - 1);
        var id2;
        if (id == "shutdown") {
            id2 = "power-off"
        }
        if (id == "hibernate") {
            id2 = "asterisk"
        }
        if (id == "suspend") {
            id2 = "arrow-down"
        }
        if (id == "restart") {
            id2 = "refresh"
        }
        $("#actionsArea").append('\n<button type="button" class="btn btn-default ' + id + '" data-toggle="tooltip" data-placement="top" title="' + label + '" data-container="body" onclick="handleAction(\'' + id + '\')"><i class="fa fa-' + id2 + '"></i></button>');
    }
}

function capitalize(string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
}

function handleAction(id) {
    log("handleAction(" + id + ")");
    eval("lightdm." + id + "()");
}

function getUserObj(username) {
    var user = null;
    for (var i = 0; i < lightdm.users.length; ++i) {
        if (lightdm.users[i].name == username) {
            user = lightdm.users[i];
            break;
        }
    }
    return user;
}

function getSessionObj(sessionname) {
    var session = null;
    for (var i = 0; i < lightdm.sessions.length; ++i) {
        if (lightdm.sessions[i].name == sessionname) {
            session = lightdm.sessions[i];
            break;
        }
    }
    return session;
}


function startAuthentication(userId) {
    log("startAuthentication(" + userId + ")");

    if (selectedUser !== null) {
        lightdm.cancel_authentication();
        localStorage.setItem('selUser', null);
        log("authentication cancelled for " + selectedUser);
    }
    localStorage.setItem('selUser', userId);
    selectedUser = '.' + userId;
    $(selectedUser).addClass('hovered');
    $(selectedUser).siblings().hide();
    $('.fa-toggle-down').hide();


    var usrSession = localStorage.getItem(userId);

    log("usrSession: " + usrSession);
    var usrSessionEl = "#" + usrSession;
    var usrSessionName = $(usrSessionEl).html();
    log("usrSessionName: " + usrSessionName);
    $('.selected').html(usrSessionName);
    $('.selected').attr('id', usrSession);
    $('#session-list').removeClass('hidden');
    $('#passwordArea').show();
    auth_pending = true;

    lightdm.start_authentication(userId);
}

function cancelAuthentication() {
    log("cancelAuthentication()");
    $('#statusArea').hide();
    $('#timerArea').hide();
    $('#passwordArea').hide();
    $('#session-list').hide();
    if (selectedUser != null) {
        lightdm.cancel_authentication();
        log("authentication cancelled for " + selectedUser);
        $('.list-group-item.hovered').removeClass('hovered').siblings().show();
        $('.fa-toggle-down').show();
        selectedUser = null;
        auth_pending = false;
    }
    return true;
}

function submitPassword() {
    log("provideSecret()");
    lightdm.provide_secret($('#passwordField').val());
    $('#passwordArea').hide();
    $('#timerArea').show();
    log("done");
}

/**
 * Image loading management.
 */

function imgNotFound(source) {
    source.src = 'img/antergos-logo-user.png';
    source.onerror = "";
    return true;
}

function sessionToggle(el) {
    var selText = $(el).text();
    var theID = $(el).attr('id');
    var selUser = localStorage.getItem('selUser');
    $(el).parents('.btn-group').find('.selected').attr('id', theID);
    $(el).parents('.btn-group').find('.selected').html(selText);
    localStorage.setItem(selUser, theID)
}

/**
 * Lightdm Callbacks
 */
function show_prompt(text) {
    log("show_prompt(" + text + ")");
    $('#passwordField').val("");
    $('#passwordArea').show();
    $('#passwordField').focus();
}

function authentication_complete() {
    log("authentication_complete()");
    auth_pending = false;
    $('#timerArea').hide();
    var selSession = $('.selected').attr('id');
    if (lightdm.is_authenticated) {
        log("authenticated !");
        lightdm.login(lightdm.authentication_user, selSession);
    } else {
        log("not authenticated !");
        $('#statusArea').show();
    }
}

function show_message(text) {
    msgWrap = document.getElementById('statusArea');
    showMsg = document.getElementById('showMsg');
    showMsg.innerHTML = text;
    if (text.length > 0) {
        $('#passwordArea').hide();
        $(msgWrap).show();
    }
}

function show_error(text) {
    show_message(text);
}

/**
 * Logs.
 */
function log(text) {
    if (DEBUG) {
        $('#logArea').append(text);
        $('#logArea').append('<br/>');
    }
}