facebook-connect.js

/*global window, define */

var FacebookConnect = {

    options: {
        appId: null,   // {String}  Your application ID
        cookie: true,  // {Boolean} Enables cookies to allow the server to access the session
        logging: true, // {Boolean} Disable logging
        session: null, // {Object}  Use specified session object
        status: true,  // {Boolean} Fetch fresh status
        xfbml: true,   // {Boolean} Parse XFBML tags
        scope: '',     // {String}  Comma separated list of permission names
        oauth: true    // {Boplean} Enables OAuth 2.0 functionality
    },

    error: {
        generic: 'We are unable to process your request at the moment',
        signin: 'Sorry, an error interrupted the sign-in process'
    },

    user: null,


    init: function (options) {
        options = options || {};
        for (var propertyName in this.options) {
            if (options.hasOwnProperty(propertyName)) {
                this.options[propertyName] = options[propertyName];
            }
        }

        FB.init(this.options);
        this.registerEvents();
    },

    registerEvents: function () {
        // run it whenever the status changes
        FB.Event.subscribe('auth.statusChange', fbConnect.onStatusUpdate);
    },

    onStatusUpdate: function (response) {
        if (response.authResponse) {
            // is connected
            console.log('Facebook user is logged in');
        } else {
            fbConnect.user = null;
        }
    },

    login: function () {
        FB.login(function (response) {
            if (!response.authResponse) {
                console.log('Login error');
                return false;
            }

            console.log("My user ID is: " + response.authResponse.userID);
            FB.api('/me', function (response) {
                if (response.name) {
                    console.log('My name is: ' + response.name);
                    fbConnect.user = response;
                } else {
                    console.log('User not found');
                    console.log(response);
                }
                $.fancybox.close();
            });

        }, {
            scope: this.options.scope
        });

        return false;
    },

    logout: function () {
        FB.logout(function (response) {
            // callback
        });
    },

    revokeAuthorization: function () {
        FB.api({
            method: 'Auth.revokeAuthorization'
        }, function (response) {
            // callback
        });
    },

    isLoggedIn: function () {
        // Returns true if the access token has been received and verified 
        return this.user && this.user.id;
    },

    isDialogBoxOpen: function () {
        return $('#fancybox-content:empty').length > 0 ? true : false;
    }

};