;'use strict';var FTU_APP_ORIGIN=document.location.protocol+'//'+
document.location.host;var ServicesLauncher=(function(document){var extensionFrame=document.querySelector('#iframe_extensions');var oauthFrame=document.querySelector('#iframe_oauth');var BASE_IMPORT='/shared/pages/import/import.html?ftu=1';function getServiceURI(service){return BASE_IMPORT+'&service='+service;}
var access_token,currentURI,currentService;function open(){extensionFrame.className='opening';}
function load(targetService){currentService=targetService;currentURI=getServiceURI(targetService);window.addEventListener('message',messageHandler);oauthFrame.contentWindow.postMessage({type:'start',data:{from:'friends',service:targetService}},FTU_APP_ORIGIN);}
function unload(){window.removeEventListener('message',messageHandler);extensionFrame.src=null;}
function close(messageId){extensionFrame.addEventListener('transitionend',function tclose(){extensionFrame.removeEventListener('transitionend',tclose);extensionFrame.src=null;if(messageId){utils.status.show(messageId);}});extensionFrame.className='closing';window.removeEventListener('message',messageHandler);}
function messageHandler(e){if(e.origin!==FTU_APP_ORIGIN){return;}
var data=e.data;switch(data.type){case'ready':open();break;case'abort':unload();break;case'window_close':close(data.messageId);break;case'authenticated':extensionFrame.src=currentURI;access_token=data.data;break;case'messaging_ready':extensionFrame.contentWindow.postMessage({type:'token',data:access_token},FTU_APP_ORIGIN);break;}}
return{start:load};})(document);