Strophe.addConnectionPlugin("pubsub",{_connection:null,init:function(conn){this._connection=conn;Strophe.addNamespace("PUBSUB","http://jabber.org/protocol/pubsub");Strophe.addNamespace("PUBSUB_SUBSCRIBE_OPTIONS",Strophe.NS.PUBSUB+"#subscribe_options");Strophe.addNamespace("PUBSUB_ERRORS",Strophe.NS.PUBSUB+"#errors");Strophe.addNamespace("PUBSUB_EVENT",Strophe.NS.PUBSUB+"#event");Strophe.addNamespace("PUBSUB_OWNER",Strophe.NS.PUBSUB+"#owner");Strophe.addNamespace("PUBSUB_AUTO_CREATE",Strophe.NS.PUBSUB+"#auto-create");Strophe.addNamespace("PUBSUB_PUBLISH_OPTIONS",Strophe.NS.PUBSUB+"#publish-options");Strophe.addNamespace("PUBSUB_NODE_CONFIG",Strophe.NS.PUBSUB+"#node_config");Strophe.addNamespace("PUBSUB_CREATE_AND_CONFIGURE",Strophe.NS.PUBSUB+"#create-and-configure");Strophe.addNamespace("PUBSUB_SUBSCRIBE_AUTHORIZATION",Strophe.NS.PUBSUB+"#subscribe_authorization");Strophe.addNamespace("PUBSUB_GET_PENDING",Strophe.NS.PUBSUB+"#get-pending");Strophe.addNamespace("PUBSUB_MANAGE_SUBSCRIPTIONS",Strophe.NS.PUBSUB+"#manage-subscriptions");Strophe.addNamespace("PUBSUB_META_DATA",Strophe.NS.PUBSUB+"#meta-data")},createNode:function(jid,service,node,options,call_back){var iqid=this._connection.getUniqueId("pubsubcreatenode");var iq=$iq({from:jid,to:service,type:"set",id:iqid});var c_options=Strophe.xmlElement("configure",[]);var x=Strophe.xmlElement("x",[["xmlns","jabber:x:data"]]);var form_field=Strophe.xmlElement("field",[["var","FORM_TYPE"],["type","hidden"]]);var value=Strophe.xmlElement("value",[]);var text=Strophe.xmlTextNode(Strophe.NS.PUBSUB+"#node_config");value.appendChild(text);form_field.appendChild(value);x.appendChild(form_field);for(var i in options){var val=options[i];x.appendChild(val)}if(options.length&&options.length!=0){c_options.appendChild(x)}iq.c("pubsub",{xmlns:Strophe.NS.PUBSUB}).c("create",{node:node}).up().cnode(c_options);this._connection.addHandler(call_back,null,"iq",null,iqid,null);this._connection.send(iq.tree());return iqid},subscribe:function(jid,service,node,options,event_cb,call_back){var subid=this._connection.getUniqueId("subscribenode");var sub_options=Strophe.xmlElement("options",[]);var x=Strophe.xmlElement("x",[["xmlns","jabber:x:data"]]);var form_field=Strophe.xmlElement("field",[["var","FORM_TYPE"],["type","hidden"]]);var value=Strophe.xmlElement("value",[]);var text=Strophe.xmlTextNode(Strophe.NS.PUBSUB_SUBSCRIBE_OPTIONS);value.appendChild(text);form_field.appendChild(value);x.appendChild(form_field);var sub=$iq({from:jid,to:service,type:"set",id:subid});if(options&&options.length&&options.length!==0){for(var i=0;i<options.length;i++){var val=options[i];x.appendChild(val)}sub_options.appendChild(x);sub.c("pubsub",{xmlns:Strophe.NS.PUBSUB}).c("subscribe",{node:node,jid:jid}).up().cnode(sub_options)}else{sub.c("pubsub",{xmlns:Strophe.NS.PUBSUB}).c("subscribe",{node:node,jid:jid})}this._connection.addHandler(call_back,null,"iq",null,subid,null);this._connection.addHandler(event_cb,null,"message",null,null,null);this._connection.send(sub.tree());return subid},unsubscribe:function(jid,service,node,call_back){var subid=this._connection.getUniqueId("unsubscribenode");var sub=$iq({from:jid,to:service,type:"set",id:subid});sub.c("pubsub",{xmlns:Strophe.NS.PUBSUB}).c("unsubscribe",{node:node,jid:jid});this._connection.addHandler(call_back,null,"iq",null,subid,null);this._connection.send(sub.tree());return subid},publish:function(jid,service,node,items,call_back){var pubid=this._connection.getUniqueId("publishnode");var publish_elem=Strophe.xmlElement("publish",[["node",node],["jid",jid]]);for(var i in items){var item=Strophe.xmlElement("item",[]);var entry=Strophe.xmlElement("entry",[]);var t=Strophe.xmlTextNode(items[i]);entry.appendChild(t);item.appendChild(entry);publish_elem.appendChild(item)}var pub=$iq({from:jid,to:service,type:"set",id:pubid});pub.c("pubsub",{xmlns:Strophe.NS.PUBSUB}).cnode(publish_elem);this._connection.addHandler(call_back,null,"iq",null,pubid,null);this._connection.send(pub.tree());return pubid},items:function(jid,service,node,ok_callback,error_back){var pub=$iq({from:jid,to:service,type:"get"});pub.c("pubsub",{xmlns:Strophe.NS.PUBSUB}).c("items",{node:node});return this._connection.sendIQ(pub.tree(),ok_callback,error_back)}});