Hacking Gmail

Chapter 6 — Gmail and Greasemonkey 97

}

a.appendChild(document.createTextNode(txt));

li.appendChild(a);

ul.appendChild(li);

}

function getsub(e){

id=e.target.id;

GM_xmlhttpRequest({‘method’:’GET’,’url’:”http://rpc.bloglines.
com/getitems?n=0&s=”+id,’onload’:gotsub});

}

function gotsub(r){

var d=parsesub(r[‘responseText’]);

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

item=d[i];

items[getText(item.getElementsByTagName(‘guid’)[0])]=item;
}
for(i=0; i<d.length; i++){
item=d[i];
displaysubhtml(item);
}
}
function displaysubhtml(item){
li=document.createElement(‘li’);
b=document.getElementById(‘items’);

a=document.createElement(‘a’);

a.id=getText(item.getElementsByTagName(‘guid’)[0]);

a.addEventListener(‘click’,displayitem,false);

a.appendChild(document.createTextNode(getText(item.getElements
ByTagName(‘title’)[0])));
li.appendChild(a);
b.appendChild(li);
}
function displayitem(e){
id=e.target.id;
var item=__items[id];
displayitemhtml(item);
}
function displayitemhtml(item){
i=document.getElementById(‘item’);

i.innerHTML=getText(item.getElementsByTagName(‘description’)[0
]);

Continued