/**
*
* Connect APIs are split into mutiple "features". The app developers
* can choose to only the necessary features they need.
*
*/
/**
* Connect configurations for Renren
*/
if (!window.Connect_Config) {
Connect_Config = {
"domain": "renren.com",
"mainsite_name": "Renren",
"static_url": "http://xnimg.connect.renren.com",
"mainsite_name_cn": "\u4eba\u4eba\u7f51"
};
}
// Create XN namespace if necessary
if (!window.XN) {
XN = {};
}
// Only load if this class is not already loaded
if (!XN.Bootstrap) {
XN.Bootstrap = {
/*
* Use this to request loading of features in Xiaonei Client JavaScript library
* @param features array of features (see wiki for options)
* @param callback callback function to be executed when all required features
* are finished loading
*/
requireFeatures : function(features, callback) {
// Don't do anything if this page is a cross domain channel page
if (XN.Bootstrap.isXdChannel) {
return;
}
XN.Bootstrap.enqueueFeatureRequest({"features": features,
"callback": callback,
"loadedCount": 0});
if (XN.Bootstrap.FeatureMap) {
if (XN.FeatureLoader) {
XN.FeatureLoader.singleton.checkRequestQueue();
} else {
XN.Bootstrap.addScript(XN.Bootstrap.FeatureMap["Base"].src);
}
}
},
/*
* Convenient wrapper for calling Xiaonei API calls. Because the Xiaonei
* API is dynamically loaded, this guarantees that your function isn't called
* until both the libraries are loaded and initialized.
*
* Use in conjunction with XN.init.
* Example usage:
XN.ensureInit ( function () {
// ... any code in the Xiaonei library
});
*
* @param callback function to call when Xiaonei is dynamically loaded.
* @throws exception if XN.init is not called within the document.
*/
ensureInit : function(callback) {
if (!callback) {
throw("XN.ensureInit called without a valid callback");
}
// short-circuit if initialization has already been called
if (XN.Main &&
XN.Main.get_initialized &&
XN.Main.get_initialized().get_isReady() &&
XN.Main.get_initialized().result) {
return callback();
}
// if it's not already initialized, then queue it up
// by the time this callback is executed, XN.Main.init
// must have been called or else
XN.Bootstrap.requireFeatures(XN.Bootstrap.features, function() {
XN.Main.get_initialized().waitForValue(true, callback);
});
},
/*
* This safely initializes the Xiaonei API for use on a Connect or iframe site.
*
* It is a wrapper around XN.Main.init, provided here so that it is available
* before the rest of the library is dynamically loaded. All subsequent calls
* must be wrapped in XN.ensureInit() in order to guarantee that the init function is
* called first.
*
* Example Usage:
*
...
*
* @param api_key your API key provided by the developer app
* @param xd_receiver The cross-domain receiver file on your domain.
* Suggest using an absolute URL like "/xd_receiver.htm"
* @param appSettings Optional application settings.
*/
init : function(api_key, xd_receiver, appSettings) {
// bind to the onload handler
XN.Bootstrap.requireFeatures(XN.Bootstrap.features, function() {
if (XN.Main) {
// init has changed definition by now
XN.Main.init(api_key, xd_receiver, appSettings);
}
});
},
/*
* Dynamically add a script tag to the document.
*/
addScript : function(src) {
var scriptElement;
// Check if we have the script loaded already
var scriptElements = document.getElementsByTagName('script');
if (scriptElements ) {
var c = scriptElements.length;
for (var i = 0; i < c; i++) {
scriptElement = scriptElements[i];
if (scriptElement.src == src) {
// Found a match
return;
}
}
}
scriptElement = document.createElement("script");
scriptElement.type = "text/javascript";
scriptElement.src = src;
document.getElementsByTagName("HEAD")[0].appendChild(scriptElement);
},
/*
* Initialize global page, one-time setup for the cross domain channel.
*
* Some sites may not have a dedicated cross domain channel page, but
* use an existing page url as the channel page by using the special
* xnc_receiver=1 query parameter. This is not very performant but we
* support in cases where a dedicated channel is difficult to create.
*
*/
initializeXdChannel : function () {
XN.Bootstrap.isXdChannel =
window.location.search.indexOf(XN.Bootstrap.xnc_channel_token) >= 0;
if (!XN.Bootstrap.isXdChannel) {
XN.Bootstrap.createHiddenDiv();
XN.Bootstrap.detectDOMContentReady();
}
},
/*
* Use detectDOMContentReady to determine whether window is loaded.
* Because there is no way to determine a window is loaded after it is
* already loaded, we must initialize the state to false in a code that
* will be executed before the window is loaded, then listen to the window
* load event.
*
* Since FeatureLoader.js.php is the only script we have that is not
* dynamically loaded, we must place this code in this file.
*/
detectDOMContentReady : function() {
if (window.navigator.userAgent.toLowerCase().indexOf("msie") >= 0) {
window.attachEvent("onload", function() {
XN.Bootstrap.IsDomContentReady = true;
});
} else {
window.addEventListener("DOMContentLoaded", function() {
XN.Bootstrap.IsDomContentReady = true;
}, false);
}
},
/*
* Create a hidden DOM container element. This is used to store hidden
* iframes. If developers do not want the document.write to be called,
* they can create their own hidden div named "XN_HiddenContainer".
*/
createHiddenDiv : function() {
if (document.getElementById('XN_HiddenContainer') == null) {
if (document.body) {
window.setTimeout(function() {
var div = document.createElement("div");
div.id = "XN_HiddenContainer";
div.style.position = "absolute";
div.style.top = "-10000px";
div.style.left = "-10000px";
div.style.width = "0px";
div.style.height = "0px";
document.body.appendChild(div);
}, 0);
}
else {
document.write(''
+ '
');
}
}
},
/*
* Loads the map of feature => file that enables dynamic loading of JS files.
* Note that for now, these are pretty much all pointing to the same file,
* but we hope to implement some optimizations in the future to make this
* more customizable.
*
* @param featureMap map of feature => file
* @param staticResourceMap map of static resource identifier => file
* @param siteVarsMap map of server-side relevant siteVars
*/
loadServerMaps : function(featureMap, staticResourceMap, siteVarsMap) {
if(!this.FeatureMap.length) {
this.FeatureMap = featureMap;
this.StaticResourceVersions = staticResourceMap;
if (XN.FeatureLoader) {
XN.FeatureLoader.singleton.checkRequestQueue();
}
}
if (!this.siteVars.length) {
this.siteVars = siteVarsMap;
}
},
/*
* Submit a given feature request for loading.
*/
enqueueFeatureRequest : function(request) {
this.FeatureRequestQueue[this.FeatureRequestQueue.length] = request;
},
/*
* For IE, we will try to detect if document.namespaces contains 'xn' already
* and add it if it does not exist.
*/
detectDocumentNamespaces : function() {
if (document.namespaces && !document.namespaces.item['xn']) {
document.namespaces.add('xn');
}
},
/*
* If a dedicated cross domain channel url cannot be created.
* Use this function create an url based on current page by
* adding a special query string to the url of the current page.
* This should be avoided unless there is other choice because
* it is not efficient.
*/
createDefaultXdChannelUrl : function() {
var xd_receiver = location.protocol + '//' + location.hostname +
location.pathname + location.search;
if(location.search || location.search.length > 0) {
xd_receiver += '&';
} else {
xd_receiver += '?';
}
xd_receiver += 'xnc_channel=1';
return xd_receiver;
},
/*
* Global state variables
*/
features : ["EXNML", "CanvasUtil"],
IsDomContentReady : false,
FeatureRequestQueue : [],
FeatureMap : {},
StaticResourceVersions : {},
CustomFeatureMap : [],
siteVars : {},
xnc_channel_token : 'xnc_channel=1'
};
/*
* Define shorthand functions for ease of use.
*/
window.XN_RequireFeatures = XN.Bootstrap.requireFeatures;
window.XN.init = XN.Bootstrap.init;
window.XN.ensureInit = XN.Bootstrap.ensureInit;
}
XN.Bootstrap.initializeXdChannel();
XN.Bootstrap.detectDocumentNamespaces();
XN.Bootstrap.loadServerMaps(
/* featureMap */ {
"Base":{"src":Connect_Config.static_url + "/js/api/connect/connect.js?ver=10410","dependencies":null},
"Common":{"src":Connect_Config.static_url + "/js/api/connect/connect.js?ver=10410","dependencies":["Base"]},
"XdComm":{"src":Connect_Config.static_url + "/js/api/connect/connect.js?ver=10410","dependencies":["Common"]},
"CacheData":{"src":Connect_Config.static_url + "/js/api/connect/CacheData.js?ver=10410","dependencies":["Common","XdComm"]},
"Api":{"src":Connect_Config.static_url + "/js/api/connect/connect.js?ver=10410","dependencies":["XdComm"]},
"CanvasUtil":{"src":Connect_Config.static_url + "/js/api/connect/connect.js?ver=10410","dependencies":["Common","XdComm"]},
"Connect":{"src":Connect_Config.static_url + "/js/api/connect/connect.js?ver=10410","dependencies":["CanvasUtil","Api"],
"styleSheets":[Connect_Config.static_url + "/css/connect/xn_connect.css?ver=10410"]},
"EXNML":{"src":Connect_Config.static_url + "/js/api/connect/connect.js?ver=10410","dependencies":["CanvasUtil","Api","Connect"]},
"Integration":{"src":Connect_Config.static_url + "/js/api/connect/Integration.js?ver=10410","dependencies":["Connect"]},
"Comments":{"src":Connect_Config.static_url + "/js/api/connect/Comments.js?ver=10410","dependencies":["XdComm","EXNML"]}},
/* staticResourceMap */ {"base_url_format":"http:\/\/{0}.connect." + Connect_Config.domain + "\/","loginout_url":"http://login.api." + Connect_Config.domain + "/connect/{0}.do","stream_box_url":"http://www.connect." + Connect_Config.domain + "/widget/livewidget.do","api_channel":10000,"api_server":10000,"www_channel":10000,"xd_comm_swf_url":Connect_Config.static_url + "/swf/connect/XNConnect2.swf","login_img_dark_small":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_small.png","login_img_dark_medium":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_medium.png","login_img_dark_large":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_large.png","login_img_light_small":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_small.png","login_img_light_medium":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_medium.png","login_img_light_large":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_large.png","login_img_white_small":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_small.png","login_img_white_medium":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_medium.png","login_img_white_large":Connect_Config.static_url + "/img/connect/login_buttons/renren/connect_light_large.png","logout_img_small":Connect_Config.static_url + "/img/connect/login_buttons/renren/logout_small.gif","logout_img_medium":Connect_Config.static_url + "/img/connect/login_buttons/renren/logout_medium.gif","logout_img_large":Connect_Config.static_url + "/img/connect/login_buttons/renren/logout_large.gif", "share_img_standard_dark":Connect_Config.static_url + "/img/connect/share_buttons/renren/share_img_standard_dark.png", "share_img_standard_light":Connect_Config.static_url + "/img/connect/share_buttons/renren/share_img_standard_light.png", "expose_close_mark":Connect_Config.static_url + "/img/connect/login_buttons/renren/expose/close_mark.png", "expose_close_mark_mouseover":Connect_Config.static_url + "/img/connect/login_buttons/renren/expose/close_mark_mover.png", "expose_guide":Connect_Config.static_url + "/img/connect/login_buttons/renren/expose/guide.gif", "expose_guide_arrow_left":Connect_Config.static_url + "/img/connect/login_buttons/renren/expose/guide_arrow_left.gif", "expose_guide_arrow_right":Connect_Config.static_url + "/img/connect/login_buttons/renren/expose/guide_arrow_right.gif", "guide_close_mark":Connect_Config.static_url + "/img/connect/login_buttons/renren/expose/guide_close_mark.png", "guide_close_mark_mover":Connect_Config.static_url + "/img/connect/login_buttons/renren/expose/guide_close_mark_mover.png"},
/* siteVarSettings */ {"canvas_client_compute_content_size_method":1,"use_postMessage":0, "use_flash": 1, "api_cache_max_age": 600000, "xnml_cache_max_age": 600000, "expose_guide_width": 423, "expose_guide_height": 249, "expose_guide_arrow_width": 28, "expose_guide_arrow_height": 26});