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// ==UserScript==
// @name inflatable switchblade
// @namespace agentOfChaos
// @description Adds a button linking directly to the current strip's reactions page on sluggy.net
// @include http://www.sluggy.com/*
// @version 1.1
// @grant GM_xmlhttpRequest
// @author agentOfChaos
// ==/UserScript==
/*
* Author: agentOfChaos
* All the code is GPLv3
* enjoy!
*/
var $ = unsafeWindow.jQuery;
var basePage;
var updatepage="http://feeds.feedburner.com/sluggy_freelance?format=xml";
var homepage="http://www.sluggy.com/";
var update_timeout = 8000;
var etag,lastModified;
var starting_hour;
var base="http://www.sluggy.net/forum/";
var months=["January","February","March","April","May","June","July","August","September","October","November","December"];
var baseURL="http://www.sluggy.net/forum/viewforum.php?f=4&start=";
var interruptSearch=false;
var target="Daily";
var numreq;
//// begin of reaction link locator code
function deltaG( date2, date1 )
{
//Get 1 day in milliseconds
var one_day=1000*60*60*24;
// Convert both dates to milliseconds
var date1_ms = date1.getTime();
var date2_ms = date2.getTime();
// Calculate the difference in milliseconds
var difference_ms = date2_ms - date1_ms;
// Convert back to days and return
return Math.round(difference_ms/one_day);
}
function arrot(val, notch)
{
var divis=Math.floor(val/notch);
return divis*notch;
}
function dateFromSlugURL(url)
{
var sect=url.split("/");
var len=sect.length;
var offset=0;
var datestr=sect[len-1];
var ys,ms,ds,year,day,month;
var date;
if (len<=6) return new Date(); // homepage: set date as "today"
if (datestr.length>6)offset=2; // year is 4-digit: read only last 2
ys=datestr.substr(0+offset,2);
ms=datestr.substr(2+offset,2);
ds=datestr.substr(4+offset,2);
if (ys>=97) // sluggy won't run ~100 years, or will it?
{
year="19" + ys;
}
else year="20" + ys;
month=ms-1;
day=ds;
date=new Date(year,month,day);
return date;
}
function getBBpageId(today, stripdate)
{
var delta=deltaG(new Date(2014,8,31),new Date(2004,12,15));
var adjust = 2940 / delta;
var dist = deltaG(today,stripdate);
console.log("delta: "+delta + " ; approx. location: "+arrot(dist * adjust,20));
return arrot(dist * adjust,20);
}
function spiral(num) // maps number set N to Z
{
if (num%2===0) return num/2;
else return -((num+1)/2);
}
function find_string(mbody,tgt)
{
if (mbody.match(tgt)) return true;
else return false;
}
function run_search(cont)
{
var num=spiral(cont);
var loc=basePage+(num*20);
var url=baseURL + loc;
// request page via XMLHTTP
if (loc < 0) return;
console.log("Beginning request "+url);
GM_xmlhttpRequest({
method: "GET",
url: url,
headers: {
"User-Agent": "Mozilla/5.0", // If not specified, navigator.userAgent will be used.
"Accept": "text/html" // If not specified, browser defaults will be used.
},
onload: function(response) {
var code=response.responseText;
if (find_string(code,target))
{
interruptSearch=true;
console.log("found: " + code.substr(0,100) + " ...");
extract_link(code);
}
}
});
numreq++;
}
function extract_link(code)
{
console.log("extracting link...");
var box=document.createElement("div"); // create a dummy html element for processing
var items;
var dest;
box.innerHTML=code;
items=box.getElementsByTagName("a");
console.log("elements: "+items.length);
for (var cont=0; cont<items.length; cont++) // scan every <a> element for target
{
if (find_string(items[cont].innerHTML,target))
{
console.log("final url: "+items[cont].href);
dest=items[cont].href.split("/");
UI_buttonGo(base+dest[dest.length-1]);
break;
}
}
console.log("done!");
}
function loop_search(radius)
{
var stop=(2*radius)+1;
var pos;
numreq=0;
for (var cont=0; cont<stop && !interruptSearch; cont++)
{
console.log("searching ..." + cont);
run_search(cont);
}
}
//// end of reaction link locator code
//// begin of ref link crawler code
function fetch_reflink(popup)
{
var ret = new Array(500);
if (popup.length > 0)
{
var links = popup.find("a");
var cont = 0;
for (var c=0; c<links.length; c++)
{
urlo = $(links[c]).attr("href");
if (urlo.charAt(0) == "/")
{
ret[cont] = links[c];
cont++;
}
}
}
else
{
console.log("no refs to fetch");
}
return ret;
}
function visitLink(link)
{
var url = $(link).attr("href");
GM_xmlhttpRequest({
method: "GET",
url: url,
headers: {
"User-Agent": "Mozilla/5.0", // If not specified, navigator.userAgent will be used.
"Accept": "text/html" // If not specified, browser defaults will be used.
},
onload: function(data){
updateLink($(link),data.responseText);
}
});
}
function updateLink(link, code)
{
var deposit = document.createElement("div"); // create a dummy html element for processing
deposit.innerHTML = code;
var imgs_code = $($(deposit).find(".comic_content")[0]).html();
var img_url = $($($(deposit).find(".comic_content")[0]).find("img")[0]).attr("src");
$(link).removeAttr("href");
$(link).attr("id",img_url.split("/").pop().split(".")[0]);
$(link).css("text-decoration","underline");
$(link).css("color","blue");
document.getElementById(img_url.split("/").pop().split(".")[0]).addEventListener('click',
function(){showRef(imgs_code, img_url, $(link));},
true);
$(link).attr("target","self");
}
function refPreloader(popup)
{
links = fetch_reflink(popup);
for (var cont=0; cont<links.length; cont++)
{
console.log("exploring ref " + $(links[cont]).attr("href"));
visitLink(links[cont]);
}
}
//// end of ref link crawler
//// update checker
function engage_updater()
{
GM_xmlhttpRequest({
method: "HEAD",
url: updatepage,
onload: function(data){
headers = data.responseHeaders.split("\n");
storeHeadersNgo(headers);
}
});
}
function storeHeadersNgo(headers)
{
var s_et = "Etag: ";
var s_lm = "Last-Modified: ";
var s_tm = "Date: ";
var timestr,serverdate,localdate,s_hour,s_minute,deltam;
for (var n in headers)
{
h = headers[n];
if (h.indexOf(s_et) === 0) {etag = h.substr(s_et.length);}
else if (h.indexOf(s_lm) === 0) {lastModified = h.substr(s_lm.length);}
else if (h.indexOf(s_tm) === 0) {timestr = h.substr(s_tm.length);}
}
serverdate = new Date(timestr);
localdate = new Date();
s_hour = serverdate.getUTCHours();
s_minute = serverdate.getUTCMinutes();
console.log("server reports date: " + timestr);
deltam = ((24-s_hour)*60) + (60 - s_minute) - 1;
if (s_hour <= 2)
{
console.log("starting update check now!");
window.setTimeout(function(){
starting_hour = localdate.getHour();
check_updates();
},update_timeout);
}
else
{
console.log("starting update check in " + deltam + " minutes");
window.setTimeout(function(){
starting_hour = localdate.getHour();
check_updates();
},deltam*60000);
}
}
function compareHeaders(headers)
{
var s_et = "Etag: ";
var s_lm = "Last-Modified: ";
var t_etag;
var t_lastModified;
for (var n in headers)
{
h = headers[n];
if (h.indexOf(s_et) === 0) {t_etag = h.substr(s_et.length);}
else if (h.indexOf(s_lm) === 0) {t_lastModified = h.substr(s_lm.length);}
}
if ((lastModified == t_lastModified) && (etag==t_etag)) return true;
return false;
}
function check_updates()
{
var localdate = new Date();
GM_xmlhttpRequest({
method: "HEAD",
url: updatepage,
onload: function(data){
code = data.status;
cmp = compareHeaders(data.responseHeaders.split("\n"));
if (cmp === false) location.reload();
else
{
if (localdate.getHour() - starting_hour < 3)
window.setTimeout(function(){check_updates()},update_timeout);
}
}
});
}
//// end of update checker
//// estetic functions
function UI_buttonWait() // create dummy button while fetching the url
{
$(".buttons.fg-buttonset").prepend("<a id=\"locutus\" class=\"fg-button fg-button-icon-left ui-corner-all ui-state-default\" href=\"#\"><span class=\"ui-icon ui-icon-help\"></span>Reactions</a>");
}
function UI_buttonGo(link) // create real button now
{
$("#locutus").remove();
$(".buttons.fg-buttonset").prepend("<a target=\"_blank\" id=\"locutus\" class=\"fg-button fg-button-icon-left ui-corner-all ui-state-default\" href=\""+link+"\"><span class=\"ui-icon ui-icon-comment\"></span>Reactions</a>");
}
function UI_buttonVote() // add vote button
{
$(".buttons.fg-buttonset").prepend("<a target=\"_blank\" class=\"fg-button fg-button-icon-left ui-corner-all ui-state-default\" href=\"http://topwebcomics.com/vote/14089/default.aspx\"><span class=\"ui-icon ui-icon-help\"></span>Vote!</a>");
}
function UI_navarea_grow() // expand the navbar to accomodate new buttons
{
$("#comic_navigation").css("width","860px");
$(".fg-buttonset").css("margin-left","50px");
}
//// end of estetic functions
function showRef(imgs_code, urlz, link) // manages opening / closing of "quick refs"
{
var attr = $(link).attr("opened");
var url = urlz.replace(/\./g,"").replace(/\//g,"")
if (typeof attr !== 'undefined' && attr !== false)
{
var ou = $(link).attr("opened_url")
if (ou == url)
{
$(link).removeAttr("opened")
$(link).removeAttr("opened_url")
$(link).css("color","blue")
//$(".comic_popup").css("max-width",oldmwidth)
$("#quickrefimage_" + url).remove()
}
}
else
{
$(link).attr("opened","true")
$(link).attr("opened_url",url)
$(link).css("color","red")
//oldmwidth = $(".comic_popup").css("max-width")
$(".comic_popup").css("max-width","1000px")
$(link).parent().append("<div id=\"quickrefimage_" + url + "\">" + imgs_code + "</div>")
refPreloader($($("#quickrefimage_" + url).find(".comic_popup")[0]))
}
}
function main()
{
UI_buttonWait();
UI_buttonVote();
UI_navarea_grow()
var today=new Date();
var url=location.href;
var comicday=dateFromSlugURL(url);
var pageID=getBBpageId(today,comicday);
basePage=pageID;
target=months[comicday.getMonth()] + " [^,]*\\b" + comicday.getDate() + "\\b[^,]*, " + comicday.getFullYear();
console.log("target acquired: " + target);
loop_search(10);
refPreloader($(".comic_popup"));
if (location.href == homepage) engage_updater();
}
main();