Userscripts.org

There are 18 previous versions of this script.

// ==UserScript==
// @name           Google Reader Prefetch More
// @namespace      http://userscripts.org/users/40991
// @include        http://www.google.tld/reader/*
// @include        https://www.google.tld/reader/*
// @unwrap
// ==/UserScript==

var first = 25; // default is 5
var next =  15; // default is 1
var list =  60; // default is 20

var version = '0.2.4';

var id = 'GoogleReaderPrefetchMore';
var config = eval(GM_getValue(id)) || { version: '', src: '', targetFunction: '', targetValue: '' };

Array.slice(document.getElementsByTagName('script')).forEach(function(e) {
    if(e.src && /\/reader\/ui\/\d+-\w+-scroll.js/.test(e.src)) {
        if(config.src == e.src && config.version == version) {
            more(config.targetFunction, config.targetValue);
            return;
        }
        config.version = version
        config.src = e.src;
        GM_xmlhttpRequest({method: 'GET', url: config.src, onload: function(res) {
            var s = res.responseText;
            var a, r;
            // o.Sl=function(){return St(this.tb())?this.Xa?1:5:20};
            s = s.split(/;[^;]+\.([^.]+)=[^=]+\{[^{]+1:5:20/)[0];
            if(!RegExp.$1) throw new Error('Prefetch failed. Something wrong with the js.');
            a = RegExp.$1;
            // new Ut(this.ba,q(this.Cg,this),q(this.Jo,this),q(this.Lu,this),q(this.ys,this),q(this.Sl,this));
            r = new RegExp('new ([a-zA-Z]+)\\([^;]+this\.' + a + '[^a-zA-Z]');
            s = s.split(r)[0];
            a = RegExp.$1;
            // function Ut(a,b,c,d,e,g){this.ba=a;this.AE=b;this.PE=c;this.CA=d;this.dy=e;this.QE=g;this.fl={kH:0,Dl:0}}
            r = new RegExp('function ' + a + '\\([a-zA-Z]+,[a-zA-Z]+,[a-zA-Z]+,[a-zA-Z]+,[a-zA-Z]+,([a-zA-Z]+)\\)');
            s = s.split(r)[2];
            a = RegExp.$1;
            r = new RegExp('\\{[^}]+this.([a-zA-Z]+)=' + a);
            s = s.split(r)[2];
            a = RegExp.$1;
            // function Vt(a){var b=a.fl.Dl;a.fl.Dl+=a.QE();var c=a.fl.Dl;a.dy(a.ba.nj(),a.ba.Oh());for(b=b;b<c;b++)a.ba.Eh(b,q(a.Cg,a,b))}
            r = new RegExp('function ([a-zA-Z]+)\\([^\\)]*\\)\\{[^}]+=([a-zA-Z]+\\.' + a + '\\(\\))[^}]+\\}');
            r.test(s);
            if(a == RegExp.$1) throw new Error('Prefetch failed. Something wrong with the js!!');
            config.targetFunction = RegExp.$1;
            config.targetValue = RegExp.$2;
            GM_setValue(id, uneval(config));
            GM_log('js changed.');
            more(config.targetFunction, config.targetValue);
        }});
    }
});

function more(targetFunction, targetValue) {
    var n = 'unsafeWindow.' + targetFunction, v = targetValue, e = eval, p;
    try {
        p = e(n);
    } catch(x) {   // for Firefox prior to 3.5
        e = unsafeWindow.eval, n = targetFunction, p = e(n);
    }
    var r = uneval(p).replace(
        v, ['(',v,' == 5)? ',first,' : (',v,' == 1)? ',next,' : (',v,' == 20)? ',list,' : ',v].join('')
    ).replace(/{/, '{with(unsafeWindow){').replace(/}$/, '}}');
    e(n + '=' + r);
}