/files/socialite/2.0/socialite.js

/*!

 * Socialite v2.0

 * http://socialitejs.com

 * Copyright (c) 2011 David Bushell

 * Dual-licensed under the BSD or MIT licenses: http://socialitejs.com/license.txt

 */

window.Socialite = (function(window, document, undefined)

{

    'use strict';



    var uid       = 0,

        instances = [ ],

        networks  = { },

        widgets   = { },

        rstate    = /^($|loaded|complete)/,

        euc       = window.encodeURIComponent;



    var socialite = {



        settings: { },



        trim: function(str)

        {

            return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g,'');

        },



        hasClass: function(el, cn)

        {

            return (' ' + el.className + ' ').indexOf(' ' + cn + ' ') !== -1;

        },



        addClass: function(el, cn)

        {

            if (!socialite.hasClass(el, cn)) {

                el.className = (el.className === '') ? cn : el.className + ' ' + cn;

            }

        },



        removeClass: function(el, cn)

        {

            el.className = socialite.trim(' ' + el.className + ' '.replace(' ' + cn + ' ', ' '));

        },



        /**

         * Copy properties of one object to another

         */

        extendObject: function(to, from, overwrite)

        {

            for (var prop in from) {

                var hasProp = to[prop] !== undefined;

                if (hasProp && typeof from[prop] === 'object') {

                    socialite.extendObject(to[prop], from[prop], overwrite);

                } else if (overwrite || !hasProp) {

                    to[prop] = from[prop];

                }

            }

        },



        /**

         * Return elements with a specific class

         *

         * @param context - containing element to search within

         * @param cn      - class name to search for

         *

         */

        getElements: function(context, cn)

        {

            // copy to a new array to avoid a live NodeList

            var i   = 0,

                el  = [ ],

                gcn = !!context.getElementsByClassName,

                all = gcn ? context.getElementsByClassName(cn) : context.getElementsByTagName('*');

            for (; i < all.length; i++) {

                if (gcn || socialite.hasClass(all[i], cn)) {

                    el.push(all[i]);

                }

            }

            return el;

        },



        /**

         * Return data-* attributes of element as a query string (or object)

         *

         * @param el       - the element

         * @param noprefix - (optional) if true, remove "data-" from attribute names

         * @param nostr    - (optional) if true, return attributes in an object

         *

         */

        getDataAttributes: function(el, noprefix, nostr)

        {

            var i    = 0,

                str  = '',

                obj  = { },

                attr = el.attributes;

            for (; i < attr.length; i++) {

                var key = attr[i].name,

                    val = attr[i].value;

                if (val.length && key.indexOf('data-') === 0) {

                    if (noprefix) {

                        key = key.substring(5);

                    }

                    if (nostr) {

                        obj[key] = val;

                    } else {

                        str += euc(key) + '=' + euc(val) + '&';

                    }

                }

            }

            return nostr ? obj : str;

        },



        /**

         * Copy data-* attributes from one element to another

         *

         * @param from     - element to copy from

         * @param to       - element to copy to

         * @param noprefix - (optional) if true, remove "data-" from attribute names

         * @param nohyphen - (optional) if true, convert hyphens to underscores in the attribute names

         *

         */

        copyDataAttributes: function(from, to, noprefix, nohyphen)

        {

            // `nohyphen` was needed for Facebook's <fb:like> elements - remove as no longer used?

            var attr = socialite.getDataAttributes(from, noprefix, true);

            for (var i in attr) {

                to.setAttribute(nohyphen ? i.replace(/-/g, '_') : i, attr[i]);

            }

        },



        /**

         * Create iframe element

         *

         * @param src      - iframe URL (src attribute)

         * @param instance - (optional) socialite instance to activate on iframe load

         *

         */

        createIframe: function(src, instance)

        {

            // Socialite v2 has slashed the amount of manual iframe creation, we should aim to avoid this entirely

            var iframe = document.createElement('iframe');

            iframe.style.cssText = 'overflow: hidden; border: none;';

            socialite.extendObject(iframe, { src: src, allowtransparency: 'true', frameborder: '0', scrolling: 'no' }, true);

            if (instance) {

                iframe.onload = iframe.onreadystatechange = function ()

                {

                    if (rstate.test(iframe.readyState || '')) {

                        iframe.onload = iframe.onreadystatechange = null;

                        socialite.activateInstance(instance);

                    }

                };

            }

            return iframe;

        },



        /**

         * Returns true if network script has loaded

         */

        networkReady: function(name)

        {

            return networks[name] ? networks[name].loaded : undefined;

        },



        /**

         * Append network script to the document

         */

        appendNetwork: function(network)

        {

            // the activation process is getting a little confusing for some networks

            // it would appear a script load event does not mean its global object exists yet

            // therefore the first call to `activateAll` may have no effect whereas the second call does, e.g. via `window.twttr.ready`



            if (!network || network.appended) {

                return;

            }

            // `network.append` and `network.onload` can cancel progress

            if (typeof network.append === 'function' && network.append(network) === false) {

                network.appended = network.loaded = true;

                socialite.activateAll(network);

                return;

            }



            if (network.script) {

                network.el = document.createElement('script');

                socialite.extendObject(network.el, network.script, true);

                network.el.async = true;

                network.el.onload = network.el.onreadystatechange = function()

                {

                    if (rstate.test(network.el.readyState || '')) {

                        network.el.onload = network.el.onreadystatechange = null;

                        network.loaded = true;

                        if (typeof network.onload === 'function' && network.onload(network) === false) {

                            return;

                        }

                        socialite.activateAll(network);

                    }

                };

                document.body.appendChild(network.el);

            }

            network.appended = true;

        },



        /**

         * Remove network script from the document

         */

        removeNetwork: function(network)

        {

            if (!socialite.networkReady(network.name)) {

                return false;

            }

            network.el.parentNode.removeChild(network.el);

            return !(network.appended = network.loaded = false);

        },



        /**

         * Remove and re-append network script to the document

         */

        reloadNetwork: function(name)

        {

            // This is a last-ditch effort for half-baked scripts

            var network = networks[name];

            if (network && socialite.removeNetwork(network)) {

                socialite.appendNetwork(network);

            }

        },



        /**

         * Create new Socialite instance

         *

         * @param el     - parent element that will hold the new instance

         * @param widget - widget the instance belongs to

         *

         */

        createInstance: function(el, widget)

        {

            var proceed  = true,

                instance = {

                    el      : el,

                    uid     : uid++,

                    widget  : widget

                };

            instances.push(instance);

            if (widget.process !== undefined) {

                proceed = (typeof widget.process === 'function') ? widget.process(instance) : false;

            }

            if (proceed) {

                socialite.processInstance(instance);

            }

            instance.el.setAttribute('data-socialite', instance.uid);

            instance.el.className = 'socialite ' + widget.name + ' socialite-instance';

            return instance;

        },



        /**

         * Process a socialite instance to an intermediate state prior to load

         */

        processInstance: function(instance)

        {

            var el = instance.el;

            instance.el = document.createElement('div');

            instance.el.className = el.className;

            socialite.copyDataAttributes(el, instance.el);

            // stop over-zealous scripts from activating all instances

            if (el.nodeName.toLowerCase() === 'a' && !el.getAttribute('data-default-href')) {

                instance.el.setAttribute('data-default-href', el.getAttribute('href'));

            }

            var parent = el.parentNode;

            parent.insertBefore(instance.el, el);

            parent.removeChild(el);

        },



        /**

         * Activate a socialite instance

         */

        activateInstance: function(instance)

        {

            if (instance && !instance.loaded) {

                instance.loaded = true;

                if (typeof instance.widget.activate === 'function') {

                    instance.widget.activate(instance);

                }

                socialite.addClass(instance.el, 'socialite-loaded');

                return instance.onload ? instance.onload(instance.el) : null;

            }

        },



        /**

         * Activate all socialite instances belonging to a network

         */

        activateAll: function(network)

        {

            if (typeof network === 'string') {

                network = networks[network];

            }

            for (var i = 0; i < instances.length; i++) {

                var instance = instances[i];

                if (instance.init && instance.widget.network === network) {

                    socialite.activateInstance(instance);

                }

            }

        },



        /**

         * Load socialite instances

         *

         * @param context - (optional) containing element to search within

         * @param el      - (optional) individual or an array of elements to load

         * @param w       - (optional) widget name

         * @param onload  - (optional) function to call after each socialite instance has loaded

         * @param process - (optional) process but don't load network (if true)

         *

         */

        load: function(context, el, w, onload, process)

        {

            // use document as context if unspecified

            context = (context && typeof context === 'object' && context.nodeType === 1) ? context : document;



            // if no elements search within the context and recurse

            if (!el || typeof el !== 'object') {

                socialite.load(context, socialite.getElements(context, 'socialite'), w, onload, process);

                return;

            }



            var i;



            // if array of elements load each one individually

            if (/Array/.test(Object.prototype.toString.call(el))) {

                for (i = 0; i < el.length; i++) {

                    socialite.load(context, el[i], w, onload, process);

                }

                return;

            }



            // nothing was found...

            if (el.nodeType !== 1) {

                return;

            }



            // if widget name not specified search within the element classes

            if (!w || !widgets[w]) {

                w = null;

                var classes = el.className.split(' ');

                for (i = 0; i < classes.length; i++) {

                    if (widgets[classes[i]]) {

                        w = classes[i];

                        break;

                    }

                }

                if (!w) {

                    return;

                }

            }



            // find or create the Socialite instance

            var instance,

                widget = widgets[w],

                sid    = parseInt(el.getAttribute('data-socialite'), 10);

            if (!isNaN(sid)) {

                for (i = 0; i < instances.length; i++) {

                    if (instances[i].uid === sid) {

                        instance = instances[i];

                        break;

                    }

                }

            } else {

                instance = socialite.createInstance(el, widget);

            }



            // return if just processing (or no instance found)

            if (process || !instance) {

                return;

            }



            // initialise the instance

            if (!instance.init) {

                instance.init = true;

                instance.onload = (typeof onload === 'function') ? onload : null;

                widget.init(instance);

            }



            // append the parent network (all instances will be activated onload)

            // or activate immediately if network has already loaded

            if (!widget.network.appended) {

                socialite.appendNetwork(widget.network);

            } else {

                if (socialite.networkReady(widget.network.name)) {

                    socialite.activateInstance(instance);

                }

            }

        },



        /**

         * Load a single element

         *

         * @param el     - an individual element

         * @param w      - (optional) widget for this socialite instance

         * @param onload - (optional) function to call once each instance has loaded

         *

         */

        activate: function(el, w, onload)

        {

            // skip the first few steps

            window.Socialite.load(null, el, w, onload);

        },



        /**

         * Process elements to an intermediate state prior to load

         *

         * @param context - containing element to search within

         * @param el      - (optional) individual or an array of elements to load

         * @param w       - (optional) widget name

         *

         */

        process: function(context, el, w)

        {

            // stop before widget initialises instance

            window.Socialite.load(context, el, w, null, true);

        },



        /**

         * Add a new social network

         *

         * @param name   - unique name for network

         * @param params - additional data and callbacks

         *

         */

        network: function(n, params)

        {

            networks[n] = {

                name     : n,

                el       : null,

                appended : false,

                loaded   : false,

                widgets  : { }

            };

            if (params) {

                socialite.extendObject(networks[n], params);

            }

        },



        /**

         * Add a new social widget

         *

         * @param name   - name of owner network

         * @param w      - unique name for widget

         * @param params - additional data and callbacks

         *

         */

        widget: function(n, w, params)

        {

            params.name = n + '-' + w;

            if (!networks[n] || widgets[params.name]) {

                return;

            }

            params.network = networks[n];

            networks[n].widgets[w] = widgets[params.name] = params;

        },



        /**

         * Change the default Socialite settings for each network

         */

        setup: function(params)

        {

            socialite.extendObject(socialite.settings, params, true);

        }



    };



    return socialite;



})(window, window.document);



/**

 * Socialite Extensions - Pick 'n' Mix!

 */

(function(window, document, Socialite, undefined)

{



    // default to the Queen's English

    Socialite.setup({

        facebook: {

            lang: 'en_GB',

            appId: null

        },

        twitter: {

            lang: 'en'

        },

        googleplus: {

            lang: 'en-GB'

        }

    });





    // Facebook

    // http://developers.facebook.com/docs/reference/plugins/like/

    // http://developers.facebook.com/docs/reference/javascript/FB.init/



    Socialite.network('facebook', {

        script: {

            src : '//connect.facebook.net/{{language}}/all.js',

            id  : 'facebook-jssdk'

        },

        append: function(network)

        {

            var fb       = document.createElement('div'),

                settings = Socialite.settings.facebook,

                events   = { onlike: 'edge.create', onunlike: 'edge.remove', onsend: 'message.send' };

            fb.id = 'fb-root';

            document.body.appendChild(fb);

            network.script.src = network.script.src.replace('{{language}}', settings.lang);

            window.fbAsyncInit = function() {

                window.FB.init({

                      appId: settings.appId,

                      xfbml: true

                });

                for (var e in events) {

                    if (typeof settings[e] === 'function') {

                        window.FB.Event.subscribe(events[e], settings[e]);

                    }

                }

            };

        }

    });



    Socialite.widget('facebook', 'like', {

        init: function(instance)

        {

            var el = document.createElement('div');

            el.className = 'fb-like';

            Socialite.copyDataAttributes(instance.el, el);

            instance.el.appendChild(el);

            if (window.FB && window.FB.XFBML) {

                window.FB.XFBML.parse(instance.el);

            }

        }

    });





    // Twitter

    // https://dev.twitter.com/docs/tweet-button/

    // https://dev.twitter.com/docs/intents/events/

    // https://developers.google.com/analytics/devguides/collection/gajs/gaTrackingSocial#twitter



    Socialite.network('twitter', {

        script: {

            src     : '//platform.twitter.com/widgets.js',

            id      : 'twitter-wjs',

            charset : 'utf-8'

        },

        append: function()

        {

            var notwttr  = (typeof window.twttr !== 'object'),

                settings = Socialite.settings.twitter,

                events   = ['click', 'tweet', 'retweet', 'favorite', 'follow'];

            if (notwttr) {

                window.twttr = (t = { _e: [], ready: function(f) { t._e.push(f); } });

            }

            window.twttr.ready(function(twttr)

            {

                for (var i = 0; i < events.length; i++) {

                    var e = events[i];

                    if (typeof settings['on' + e] === 'function') {

                        twttr.events.bind(e, settings['on' + e]);

                    }

                }

                Socialite.activateAll('twitter');

            });

            return notwttr;

        }

    });



    var twitterInit = function(instance)

    {

        var el = document.createElement('a');

        el.className = instance.widget.name + '-button';

        Socialite.copyDataAttributes(instance.el, el);

        el.setAttribute('href', instance.el.getAttribute('data-default-href'));

        el.setAttribute('data-lang', instance.el.getAttribute('data-lang') || Socialite.settings.twitter.lang);

        instance.el.appendChild(el);

    };



    var twitterActivate = function(instance)

    {

        if (window.twttr && typeof window.twttr.widgets === 'object' && typeof window.twttr.widgets.load === 'function') {

            window.twttr.widgets.load();

        }

    };



    Socialite.widget('twitter', 'share',   { init: twitterInit, activate: twitterActivate });

    Socialite.widget('twitter', 'follow',  { init: twitterInit, activate: twitterActivate });

    Socialite.widget('twitter', 'hashtag', { init: twitterInit, activate: twitterActivate });

    Socialite.widget('twitter', 'mention', { init: twitterInit, activate: twitterActivate });



    Socialite.widget('twitter', 'embed', {

        process: function(instance)

        {

            instance.innerEl = instance.el;

            if (!instance.innerEl.getAttribute('data-lang')) {

                instance.innerEl.setAttribute('data-lang', Socialite.settings.twitter.lang);

            }

            instance.el = document.createElement('div');

            instance.el.className = instance.innerEl.className;

            instance.innerEl.className = '';

            instance.innerEl.parentNode.insertBefore(instance.el, instance.innerEl);

            instance.el.appendChild(instance.innerEl);

        },

        init: function(instance)

        {

            instance.innerEl.className = 'twitter-tweet';

        },

        activate: twitterActivate

    });





    // Google+

    // https://developers.google.com/+/plugins/+1button/

    // Google does not support IE7



    Socialite.network('googleplus', {

        script: {

            src: '//apis.google.com/js/plusone.js'

        },

        append: function(network)

        {

            if (window.gapi) {

                return false;

            }

            window.___gcfg = {

                lang: Socialite.settings.googleplus.lang,

                parsetags: 'explicit'

            };

        }

    });



    var googleplusInit = function(instance)

    {

        var el = document.createElement('div');

        el.className = 'g-' + instance.widget.gtype;

        Socialite.copyDataAttributes(instance.el, el);

        instance.el.appendChild(el);

        instance.gplusEl = el;

    };



    var googleplusEvent = function(instance, callback) {

        return (typeof callback !== 'function') ? null : function(data) {

            callback(instance.el, data);

        };

    };



    var googleplusActivate = function(instance)

    {

        var type = instance.widget.gtype;

        if (window.gapi && window.gapi[type]) {

            var settings = Socialite.settings.googleplus,

                params   = Socialite.getDataAttributes(instance.el, true, true),

                events   = ['onstartinteraction', 'onendinteraction', 'callback'];

            for (var i = 0; i < events.length; i++) {

                params[events[i]] = googleplusEvent(instance, settings[events[i]]);

            }

            window.gapi[type].render(instance.gplusEl, params);

        }

    };



    Socialite.widget('googleplus', 'one',   { init: googleplusInit, activate: googleplusActivate, gtype: 'plusone' });

    Socialite.widget('googleplus', 'share', { init: googleplusInit, activate: googleplusActivate, gtype: 'plus' });

    Socialite.widget('googleplus', 'badge', { init: googleplusInit, activate: googleplusActivate, gtype: 'plus' });





    // LinkedIn

    // http://developer.linkedin.com/plugins/share-button/



    Socialite.network('linkedin', {

        script: {

            src: '//platform.linkedin.com/in.js'

        }

    });



    var linkedinInit = function(instance)

    {

        var el = document.createElement('script');

        el.type = 'IN/' + instance.widget.intype;

        Socialite.copyDataAttributes(instance.el, el);

        instance.el.appendChild(el);

        if (typeof window.IN === 'object' && typeof window.IN.parse === 'function') {

            window.IN.parse(instance.el);

            Socialite.activateInstance(instance);

        }

    };



    Socialite.widget('linkedin', 'share',     { init: linkedinInit, intype: 'Share' });

    Socialite.widget('linkedin', 'recommend', { init: linkedinInit, intype: 'RecommendProduct' });



})(window, window.document, window.Socialite);



/**

 * Execute any queued functions (don't enqueue before the document has loaded!)

 */

(function() {

    var s = window._socialite;

    if (/Array/.test(Object.prototype.toString.call(s))) {

        for (var i = 0, len = s.length; i < len; i++) {

            if (typeof s[i] === 'function') {

                s[i]();

            }

        }

    }

})();