js

// Constants
var AUTHENTICATION_BEGIN_MESSAGE = "Logging in...";
var AUTHENTICATION_SUCCUESS_MESSAGE = ""; // Should never actually show.
var AUTHENTICATION_FAILURE_MESSAGE = "Incorrect password";
var PLACEHOLDER_COLOURS = [
    '#FF6138',
    '#FFFF9D',
    '#BEEB9F',
    '#79BD8F',
    '#00A388',
];

// Globals
var authenticating = false;
var activeUser = null;
var activeSession = null;
var availableUsers = [];
var availableSessions = [];

/**
 * Gets the list of available users from lightdm and fills out the #user-list
 * element with them. Records the elements created for each user in the
 * availableUsers array.
 */
function generateUserList() {
    var userList = $('#user-list');
    for (var i in lightdm.users) {
        var user = lightdm.users[i];
        var userListEntry = $('<div />', {
            class: 'user'
        });


        userListEntry.data('user', user);

        // Add an image to represent the user. If no .face image is available,
        // use a colour from the palette.
        var userImage = $('<div />', {
            class: 'bubble'
        });
        // Set the background colour regardless since the user.image path might
        // be invalid.
        userImage.css({
            backgroundColor: PLACEHOLDER_COLOURS[i % PLACEHOLDER_COLOURS.length]
        });
        if (user.image.length > 0) {    //LINE 46 ERR
            userImage.css({
                'background-image': 'url(' + user.image + ')'
            });
        }
        userImage.appendTo(userListEntry);

        // Add the user's full name if it's specified, otherwise fallback to
        // using just their username.
        var username = $('<div />', {
            class: 'user-name'
        });
        if (user.display_name.length > 0) {
            username.text(user.display_name);
        } else {
            username.text(user.name);
        }
        username.appendTo(userListEntry);

        availableUsers.push(userListEntry);
        userListEntry.appendTo(userList);
    }
}