var gadgets=gadgets||{};gadgets.rpc=function(){var CALLBACK_NAME="__cb";var DEFAULT_NAME="";var FE_G2C_CHANNEL="__g2c_rpc";var FE_C2G_CHANNEL="__c2g_rpc";var services={};var iframePool=[];var relayUrl={};var useLegacyProtocol={};var authToken={};var callId=0;var callbacks={};var setup={};var sameDomain={};var params={};if(gadgets.util){params=gadgets.util.getUrlParameters()}authToken[".."]=params.rpctoken||params.ifpctok||0;function getRelayChannel(){return typeof window.postMessage==="function"?"wpm":typeof document.postMessage==="function"?"dpm":navigator.product==="Gecko"?"fe":"ifpc"}function setupChannel(){if(relayChannel==="dpm"||relayChannel==="wpm"){window.addEventListener("message",function(packet){process(gadgets.json.parse(packet.data))},false)}}var relayChannel=getRelayChannel();setupChannel();services[DEFAULT_NAME]=function(){throw new Error("Unknown RPC service: "+this.s)};services[CALLBACK_NAME]=function(callbackId,result){var callback=callbacks[callbackId];if(callback){delete callbacks[callbackId];callback(result)}};function setupFrame(frameId){if(setup[frameId]){return }if(relayChannel==="fe"){try{var frame=document.getElementById(frameId);frame[FE_G2C_CHANNEL]=function(args){process(gadgets.json.parse(args))}}catch(e){}}setup[frameId]=true}function encodeLegacyData(args){var stringify=gadgets.json.stringify;var argsEscaped=[];for(var i=0,j=args.length;i<j;++i){argsEscaped.push(encodeURIComponent(stringify(args[i])))}return argsEscaped.join("&")}function process(rpc){if(rpc&&typeof rpc.s==="string"&&typeof rpc.f==="string"&&rpc.a instanceof Array){if(authToken[rpc.f]){if(authToken[rpc.f]!=rpc.t){throw new Error("Invalid auth token.")}}if(rpc.c){rpc.callback=function(result){gadgets.rpc.call(rpc.f,CALLBACK_NAME,null,rpc.c,result)}}var result=(services[rpc.s]||services[DEFAULT_NAME]).apply(rpc,rpc.a);if(rpc.c&&typeof result!="undefined"){gadgets.rpc.call(rpc.f,CALLBACK_NAME,null,rpc.c,result)}}}function callFrameElement(targetId,serviceName,from,rpcData,callArgs){try{if(from!=".."){var fe=window.frameElement;if(typeof fe[FE_G2C_CHANNEL]==="function"){if(typeof fe[FE_G2C_CHANNEL][FE_C2G_CHANNEL]!=="function"){fe[FE_G2C_CHANNEL][FE_C2G_CHANNEL]=function(args){process(gadgets.json.parse(args))}}fe[FE_G2C_CHANNEL](rpcData);return }}else{var frame=document.getElementById(targetId);if(typeof frame[FE_G2C_CHANNEL]==="function"&&typeof frame[FE_G2C_CHANNEL][FE_C2G_CHANNEL]==="function"){frame[FE_G2C_CHANNEL][FE_C2G_CHANNEL](rpcData);return }}}catch(e){}callIfpc(targetId,serviceName,from,rpcData,callArgs)}function callIfpc(targetId,serviceName,from,rpcData,callArgs){var relay=gadgets.rpc.getRelayUrl(targetId);if(!relay){throw new Error("No relay file assigned for IFPC")}var src=null;if(useLegacyProtocol[targetId]){src=[relay,"#",encodeLegacyData([from,callId,1,0,encodeLegacyData([from,serviceName,"","",from].concat(callArgs))])].join("")}else{src=[relay,"#",targetId,"&",from,"@",callId,"&1&0&",encodeURIComponent(rpcData)].join("")}emitInvisibleIframe(src)}function emitInvisibleIframe(src){var iframe;for(var i=iframePool.length-1;i>=0;--i){var ifr=iframePool[i];try{if(ifr&&(ifr.recyclable||ifr.readyState==="complete")){ifr.parentNode.removeChild(ifr);if(window.ActiveXObject){iframePool[i]=ifr=null;iframePool.splice(i,1)}else{ifr.recyclable=false;iframe=ifr;break}}}catch(e){}}if(!iframe){iframe=document.createElement("iframe");iframe.style.border=iframe.style.width=iframe.style.height="0px";iframe.style.visibility="hidden";iframe.style.position="absolute";iframe.onload=function(){this.recyclable=true};iframePool.push(iframe)}iframe.src=src;setTimeout(function(){document.body.appendChild(iframe)},0)}function callSameDomain(target,rpc){if(typeof sameDomain[target]==="undefined"){sameDomain[target]=false;var targetEl=null;if(target===".."){targetEl=parent}else{targetEl=frames[target]}try{sameDomain[target]=targetEl.gadgets.rpc.receiveSameDomain}catch(e){}}if(typeof sameDomain[target]==="function"){sameDomain[target](rpc);return true}return false}if(gadgets.config){function init(config){if(config.rpc.parentRelayUrl.substring(0,7)==="http://"){relayUrl[".."]=config.rpc.parentRelayUrl}else{var params=document.location.search.substring(0).split("&");var parentParam="";for(var i=0,param;param=params[i];++i){if(param.indexOf("parent=")===0){parentParam=decodeURIComponent(param.substring(7));break}}relayUrl[".."]=parentParam+config.rpc.parentRelayUrl}useLegacyProtocol[".."]=!!config.rpc.useLegacyProtocol}var requiredConfig={parentRelayUrl:gadgets.config.NonEmptyStringValidator};gadgets.config.register("rpc",requiredConfig,init)}return{register:function(serviceName,handler){if(serviceName==CALLBACK_NAME){throw new Error("Cannot overwrite callback service")}if(serviceName==DEFAULT_NAME){throw new Error("Cannot overwrite default service:"+" use registerDefault")}services[serviceName]=handler},unregister:function(serviceName){if(serviceName==CALLBACK_NAME){throw new Error("Cannot delete callback service")}if(serviceName==DEFAULT_NAME){throw new Error("Cannot delete default service:"+" use unregisterDefault")}delete services[serviceName]},registerDefault:function(handler){services[""]=handler},unregisterDefault:function(){delete services[""]},call:function(targetId,serviceName,callback,var_args){++callId;targetId=targetId||"..";if(callback){callbacks[callId]=callback}var from="..";if(targetId===".."){from=window.name}var rpc={s:serviceName,f:from,c:callback?callId:0,a:Array.prototype.slice.call(arguments,3),t:authToken[targetId]};if(callSameDomain(targetId,rpc)){return }var rpcData=gadgets.json.stringify(rpc);var channelType=relayChannel;if(useLegacyProtocol[targetId]){channelType="ifpc"}switch(channelType){case"dpm":var targetDoc=targetId===".."?parent.document:frames[targetId].document;targetDoc.postMessage(rpcData);break;case"wpm":var targetWin=targetId===".."?parent:frames[targetId];targetWin.postMessage(rpcData,relayUrl[targetId]);break;case"fe":callFrameElement(targetId,serviceName,from,rpcData,rpc.a);break;default:callIfpc(targetId,serviceName,from,rpcData,rpc.a);break}},getRelayUrl:function(targetId){return relayUrl[targetId]},setRelayUrl:function(targetId,url,opt_useLegacy){relayUrl[targetId]=url;useLegacyProtocol[targetId]=!!opt_useLegacy},setAuthToken:function(targetId,token){authToken[targetId]=token;setupFrame(targetId)},getRelayChannel:function(){return relayChannel},receive:function(fragment){if(fragment.length>4){process(gadgets.json.parse(decodeURIComponent(fragment[fragment.length-1])))}},receiveSameDomain:function(rpc){rpc.a=Array.prototype.slice.call(rpc.a);window.setTimeout(function(){process(rpc)},0)}}}();
Function.prototype.inherits=function(parentCtor){function tempCtor(){}tempCtor.prototype=parentCtor.prototype;this.superClass_=parentCtor.prototype;this.prototype=new tempCtor();this.prototype.constructor=this};
var gadgets=gadgets||{};gadgets.json=function(){function f(n){return n<10?"0"+n:n}Date.prototype.toJSON=function(){return[this.getUTCFullYear(),"-",f(this.getUTCMonth()+1),"-",f(this.getUTCDate()),"T",f(this.getUTCHours()),":",f(this.getUTCMinutes()),":",f(this.getUTCSeconds()),"Z"].join("")};var m={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"};function stringify(value){var a,i,k,l,r=/["\\\x00-\x1f\x7f-\x9f]/g,v;switch(typeof value){case"string":return r.test(value)?'"'+value.replace(r,function(a){var c=m[a];if(c){return c}c=a.charCodeAt();return"\\u00"+Math.floor(c/16).toString(16)+(c%16).toString(16)})+'"':'"'+value+'"';case"number":return isFinite(value)?String(value):"null";case"boolean":case"null":return String(value);case"object":if(!value){return"null"}a=[];if(typeof value.length==="number"&&!(value.propertyIsEnumerable("length"))){l=value.length;for(i=0;i<l;i+=1){a.push(stringify(value[i])||"null")}return"["+a.join(",")+"]"}for(k in value){if(value.hasOwnProperty(k)){if(typeof k==="string"){v=stringify(value[k]);if(v){a.push(stringify(k)+":"+v)}}}}return"{"+a.join(",")+"}"}}return{stringify:stringify,parse:function(text){if(/^[\],:{}\s]*$/.test(text.replace(/\\["\\\/b-u]/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,""))){return eval("("+text+")")}return false}}}();
var gadgets=gadgets||{};gadgets.error={};gadgets.error.SUBCLASS_RESPONSIBILITY="subclass responsibility";gadgets.error.TO_BE_DONE="to be done";gadgets.log=function(message){if(window.console&&console.log){console.log(message)}else{var logEntry=document.createElement("div");logEntry.className="gadgets-log-entry";logEntry.innerHTML=message;document.body.appendChild(logEntry)}};gadgets.Extensible=function(){};gadgets.Extensible.prototype.setDependencies=function(dependencies){for(var p in dependencies){this[p]=dependencies[p]}};gadgets.Extensible.prototype.getDependencies=function(name){return this[name]};gadgets.UserPrefStore=function(){};gadgets.UserPrefStore.prototype.getPrefs=function(gadget){throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY)};gadgets.UserPrefStore.prototype.savePrefs=function(gadget){throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY)};gadgets.DefaultUserPrefStore=function(){gadgets.UserPrefStore.call(this)};gadgets.DefaultUserPrefStore.inherits(gadgets.UserPrefStore);gadgets.DefaultUserPrefStore.prototype.getPrefs=function(gadget){};gadgets.DefaultUserPrefStore.prototype.savePrefs=function(gadget){};gadgets.GadgetService=function(){};gadgets.GadgetService.prototype.setHeight=function(elementId,height){throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY)};gadgets.GadgetService.prototype.setTitle=function(gadget,title){throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY)};gadgets.GadgetService.prototype.setUserPref=function(id){throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY)};gadgets.IfrGadgetService=function(){gadgets.GadgetService.call(this);var service=this;gadgets.rpc.register("resize_iframe",function(){service.setHeight.apply(this,arguments)});gadgets.rpc.register("set_pref",function(){service.setUserPref.apply(this,arguments)});gadgets.rpc.register("set_title",function(){service.setTitle.apply(this,arguments)});gadgets.rpc.register("requestNavigateTo",function(){service.requestNavigateTo.apply(this,arguments)})};gadgets.IfrGadgetService.inherits(gadgets.GadgetService);gadgets.IfrGadgetService.prototype.setHeight=function(height){if(height>gadgets.container.maxheight_){height=gadgets.container.maxheight_}var element=document.getElementById(this.f);if(element){element.style.height=height+"px"}};gadgets.IfrGadgetService.prototype.requestNavigateTo=function(view,opt_params){var id=this.getGadgetIdFromModuleId(this.f);var url=this.getUrlForView(view);if(opt_params){var paramStr=JSON.stringify(opt_params);if(paramStr.length>0){url+="&appParams="+encodeURIComponent(paramStr)}}if(url&&document.location.href.indexOf(url)==-1){document.location.href=url}};gadgets.IfrGadgetService.prototype.getUrlForView=function(view){if(view==="canvas"){return"/canvas"}else{if(view==="profile"){return"/profile"}else{return null}}};gadgets.IfrGadgetService.prototype.getGadgetIdFromModuleId=function(moduleId){return parseInt(moduleId.match(/_([0-9]+)$/)[1],10)};gadgets.LayoutManager=function(){};gadgets.LayoutManager.prototype.getGadgetChrome=function(gadget){throw Error(gadgets.error.SUBCLASS_RESPONSIBILITY)};gadgets.StaticLayoutManager=function(){gadgets.LayoutManager.call(this)};gadgets.StaticLayoutManager.inherits(gadgets.LayoutManager);gadgets.StaticLayoutManager.prototype.setGadgetChromeIds=function(gadgetChromeIds){this.gadgetChromeIds_=gadgetChromeIds};gadgets.StaticLayoutManager.prototype.getGadgetChrome=function(gadget){var chromeId=this.gadgetChromeIds_[gadget.id];return chromeId?document.getElementById(chromeId):null};gadgets.FloatLeftLayoutManager=function(layoutRootId){gadgets.LayoutManager.call(this);this.layoutRootId_=layoutRootId};gadgets.FloatLeftLayoutManager.inherits(gadgets.LayoutManager);gadgets.FloatLeftLayoutManager.prototype.getGadgetChrome=function(gadget){var layoutRoot=document.getElementById(this.layoutRootId_);if(layoutRoot){var chrome=document.createElement("div");chrome.className="gadgets-gadget-chrome";chrome.style.cssFloat="left";layoutRoot.appendChild(chrome);return chrome}else{return null}};