By Joshua Kersey
—
Last update
Dec 3, 2005
—
Installed
3,549 times.
// eBay Auction Enhancer Greasemonkey script
// version 0.2
// 2005-12-03
//
// Copyright 2005, Richard Gibson
// Released under the GPL license
// http://www.gnu.org/copyleft/gpl.html
//
// Changelog:
// 0.1 (2005-09-06)
// original release
// 0.2 (2005-12-03)
// Joshua Kersey updated to compensate for times greater than 24 hours. They are now properly formatted and separated by colons.
// http://www.beyond-earth.net
// -------------------------------------------------------------------------------------------------
//
// This is a Greasemonkey user script.
//
// To install, you need Greasemonkey: http://greasemonkey.mozdev.org/
// Then restart Firefox and revisit this script.
// Under Tools, there will be a new menu item to "Install User Script".
// Accept the default configuration and install.
//
// To uninstall, go to Tools/Manage User Scripts, select this script,
// and click Uninstall.
//
// -------------------------------------------------------------------------------------------------
//
// ==UserScript==
// @name eBay Auction Enhancer
// @namespace http://userscripts.org/people/336
// @description Adds a countdown and in-place bidding to eBay auctions. Countdown is most accurate with LiveHTTPHeaders extension with request time information.
// @include http*://*.ebay.*
// ==/UserScript==
// cannot yet do auction.co.kr or MercadoLibre/MercadoLivre
(function() {
// constants
const DOM_LOAD_TIME = (new Date()).valueOf();
const MS_PER_HOUR = 3600000;
const PLUS_MINUS = "\u00B1";
const UPGRADE_STR = "Install LiveHTTPHeaders extension version 0.10 or higher (with request time information) to see accuracy";
const UPGRADE_URI = "http://mozdev.org/bugs/attachment.cgi?id=3364"; //"http://livehttpheaders.mozdev.org/installation.html";
const BAD_DATE_STR = "Unable to determine accuracy (probably from a bad or missing Date header)";
const SPACE = "(?:\\s|&(?:(?:nb|en|em|thin)sp|#(?:160|8194|8195|8201|x0*(?:a0|200(?:2|3|9))));)+";
const XPATH_END_TIME_NODES = "//span[contains(concat(' ',normalize-space(@class),' '),' help ')"
+ " or contains(concat(' ',normalize-space(@class),' '),' nowrap ')]";
var SPACE_RE = new RegExp(SPACE, "ig");
var END_TIME_RE = new RegExp(
"(\\d{2,}" + "(.)" + "(?:\\d?\\d|[^0-9\\s]+)" + "\\2" + "\\d{2,}" // ymd/dmy
+ "|(?:\d?\d|[^0-9\\s]+)" + "(.)" + "\\d{2}" + "\\3" + "\\d{2,})" // | mdy
+ SPACE + "([^0-9\\s]?\\d{2}[^0-9\\s]\\d{2}[^0-9\\s]\\d{2}[^0-9\\s]?" // hh:mm:ss
+ "(" + SPACE + "[AaPp][Mm])?" // am/pm
+ "(" + SPACE + "\\S+)?)" // time zone
);
var BID_RE = /^https?:\/\/(offer(\.[^\/.]+)*\.ebay\..+\/ws\/eBayISAPI\.dll|[^\/]+\.ebay\..+\/viSubmit(Bid|Bin)?)/i;
var l10n = [
{ re: /^(cgi\d*|www)\.ebay\.com$/i,
// USA, New Zealand: mmm-dd-yy hh:mm:ss PST|PDT
date: function (strDate) {
var match = /^([a-z]{3,})\W+(\d?\d)\W+(\d{2,})/i.exec(strDate);
return (match ? [match[2], match[1], getFullYear(match[3])].join(" ") : strDate);
},
time: function (strTimeWithZone) { return strTimeWithZone.replace("PST", "GMT-8")
.replace("PDT", "GMT-7"); }
},
{ re: /^(cgi\d*|www)\.ebay\.(com\.au|be|ca|fr|in|ie|it|nl|es|co\.uk)$/i,
// Australia, Belgium, Canada, France, Ireland, Italy, Netherlands, Spain, UK:
// dd-mmm-yy hh:mm:ss AEST|AEDT|CEST|CEDT|CET|EST|EDT|Paris|BST|H.Esp
// India: dd-mmm-yyyy hh:mm:ss IST
date: function (strDate) {
var match = /^(\d?\d)\W+(\w{3,}\.?)\W+(\d{2,})/i.exec(strDate);
if (!match) return strDate;
var retVal = [match[1], match[2], getFullYear(match[3])].join(" ");
var date = Date.parse(retVal);
// check for Summer Time by EU rules (excluding the duplicated hour before 1 am)
if (date >= (getLastSunday(parseInt(getFullYear(match[3]),10), 2 /* March */)
+ MS_PER_HOUR)
&& date < getLastSunday(parseInt(getFullYear(match[3]),10), 9 /* October */)) {
this.zones.Paris = this.zones["H.Esp"] = "+2";
}
return retVal;
},
time: function (strTimeWithZone) {
var t = strTimeWithZone, tz = this.zones;
for (var z in tz) t = t.replace(z, "GMT" + tz[z]);
return t;
},
zones: {UTC: "", AEST: "+10", AEDT: "+11", CEST: "+2", CEDT: "+2", CET: "+1", Paris: "+1",
IST: "+5:30", BST: "+1", WET: "", "H.Esp": "+1"}
},
{ re: /^(cgi\d*|www)\.ebay\.(at|de|ch)$/i,
// Austria, Germany, Switzerland: dd.mm.yy hh:mm:ss MEZ|MESZ
date: function (strDate) {
var match = /^(\d?\d)\W+(\d?\d)\W+(\d{2,})/i.exec(strDate);
return (match ? (new Date(getFullYear(match[3]), match[2] - 1, match[1])).toDateString()
: strDate);
},
time: function (strTimeWithZone) { return strTimeWithZone.replace("MESZ", "GMT+2")
.replace("MEZ", "GMT+1"); }
},
{ re: /((^(cgi\d*|www)\.ebay\.(pl|se))|tw\.ebay\.com)$/i,
// Poland, Sweden: yyyy-mm-dd hh:mm:ss CEST|CEDT
// Taiwan: yyyy.mm.dd hh:mm:ss, TW
date: function (strDate) {
var match = /^(\d{2,})\W+(\d?\d)\W+(\d?\d)/i.exec(strDate);
return (match ? (new Date(getFullYear(match[1]), match[2] - 1, match[3])).toDateString()
: strDate);
},
time: function (strTimeWithZone) { return strTimeWithZone.replace("CEST", "GMT+2")
.replace("CEDT", "GMT+2").replace("CET", "GMT+1").replace(/,\s+TW\s*$/i, " GMT+8"); }
},
{ re: /^(cgi\d*|www)\.ebay\.(com\.(my|sg)|ph)$/i,
// Malaysia, Philippines, Singapore: dd-mm-yyyy hh:mm:ss AM|PM MYT|PHT|SGT
date: function (strDate) {
var match = /^(\d?\d)\W+(\d?\d)\W+(\d{2,})/i.exec(strDate);
return (match ? (new Date(getFullYear(match[3]), match[2] - 1, match[1])).toDateString()
: strDate);
},
time: function (strTimeWithZone) {
return strTimeWithZone.replace(/(\d?\d)(\W+\d\d\W+\d\d)\s+(am|pm)\s+(MYT|PHT|SGT)/i,
function (s, hh, mmss, ap, tz) {
return (parseInt(hh,10) + (/am/i.test(ap) ? 0 : 12)) + mmss + " GMT"
+ this.zones[tz.toUpperCase()];
});
},
zones: {MYT: "+8", PHT: "+8", SGT: "+8"}
},
{ re: /^(cgi\d*|www)\.ebay\.com\.hk$/i,
// Hong Kong: yyyy-mm-dd hh:mm:ss AM|PM HKT
date: function (strDate) {
var match = /^(\d{2,})\W+(\d?\d)\W+(\d?\d)/i.exec(strDate);
return (match ? (new Date(getFullYear(match[1]), match[2] - 1, match[3])).toDateString()
: strDate);
},
time: function (strTimeWithZone) {
return strTimeWithZone.replace(/(\d?\d)(\W+\d\d\W+\d\d)\s+(am|pm)\s+HKT/i,
function (s, hh, mmss, ap) {
return (parseInt(hh,10) + (/am/i.test(ap) ? 0 : 12)) + mmss + " GMT+8";
});
}
},
{ re: /^(cgi\d*|www)\.ebay\.com\.cn$/i,
// China: yyyy-mm-dd hh?mm?ss?
date: function (strDate) {
var match = /^(\d{2,})\W+(\d?\d)\W+(\d?\d)/i.exec(strDate);
return (match ? (new Date(getFullYear(match[1]), match[2] - 1, match[3])).toDateString()
: strDate);
},
time: function (strTimeWithZone) {
var match = /(\d\d)[^0-9]+(\d\d)[^0-9]+(\d\d)/.exec(strTimeWithZone);
return (match ? [match[1], match[2], match[3]].join(":") + " GMT+8" : strTimeWithZone);
}
}
];
// global variables
var topTableCountdown = null;
// utility functions
function getFullYear (strYY) {
if (("" + strYY).length >= 4 || ("" + strYY).length != 2) return strYY;
var yyyy = parseInt((new Date()).getFullYear());
return (Math.abs(yyyy - ("" + yyyy).replace(/..$/, strYY)) < 50
? ("" + yyyy).replace(/..$/, strYY)
: ("" + (yyyy + ((yyyy % 100 < 50) ? -100 : 100))).replace(/..$/, strYY)
);
};
function getLastSunday (intYear, intMonth) {
// first day of next month Sun Mon Tue Wed Thu Fri Sat
// getDay() 0 1 2 3 4 5 6
// days to subtract 7 1 2 3 4 5 6
// ((getDay() + 6) % 7) + 1 7 1 2 3 4 5 6
var firstDayOfNextMonth = new Date(intYear, intMonth + 1, 1);
return firstDayOfNextMonth.valueOf()
- MS_PER_HOUR * 24 * (((firstDayOfNextMonth.getDay() + 6) % 7) + 1);
};
function msToHMS (intMS) {
if (isNaN(intMS)) return intMS;
var s = Math.abs(Math.round(parseInt(intMS,10)/1000));
var hms = ("0" + Math.floor(s/(3600*24))).replace(/^0*(\d{2})/, "$1") + ":";
s = s % (3600 * 24)
hms += ("0" + Math.floor(s/3600)).replace(/^0*(\d{2})/, "$1") + ":";
s = s % 3600;
hms += ("0" + Math.floor(s/60)).slice(-2) + ":";
s = s % 60;
return (intMS < 0 ? "-" : "") + hms + ("0" + s).slice(-2);
};
function createElement (strType) {
try {
return document.__proto__.createElement.call(document, strType);
}
catch (ex) {
try {
return document.wrappedJSObject.__proto__.createElement.call(document, strType);
} catch (ex) {}
}
throw new Error("Unable to create element");
};
function isAncestorOf (elAncestor, elTest, blnMatchOnEqual) {
try {
if (elTest.isSameNode(elAncestor)) return (blnMatchOnEqual ? true : false);
while (!elTest.isSameNode(elAncestor)) elTest = elTest.parentNode;
return true;
}
catch (ex) {
return false;
}
};
function iframeOnLoad () {
try {
var doc = this.contentDocument, html, head, body, element;
// get the basic elements, creating a basic page if necessary
html = doc.documentElement || (doc.documentElement = (doc.getElementsByTagName("html")[0]
|| doc.appendChild(doc.createElement("html"))));
head = doc.getElementsByTagName("head")[0] || html.appendChild(doc.createElement("head")
).appendChild(doc.createElement("title")).parentNode;
body = doc.body || (doc.body = html.appendChild(doc.createElement("body")));
// add the styling
for (var sel in {margin: 0, border: 0, padding: 0}) html.style[sel] = body.style[sel] = 0;
body.className = "ebay";
for (var i = 0; i < document.styleSheets.length; i++) {
element = document.styleSheets[i].ownerNode;
if (element) head.appendChild(element.cloneNode(true));
}
} catch (ex) {}
};
// "real work" functions
function initAuctionPage (objHeaders) {
// calculate time offset
var h = objHeaders || window.headers, timeOffset = 3000, accuracy = null,
upgradeLiveHTTPHeaders = true;
h = (typeof h == "object" && h);
if (h && h.isFromCache) {
return location.reload();
}
try {
upgradeLiveHTTPHeaders = !(("responseStartTime" in h) && ("requestTime" in h));
if (isNaN(Date.parse(h.responseHeaders.Date))) throw new Error();
// server time is given by the Date header
// local time is in between request time and response time (assume halfway between)
// or fall back on 3 seconds before page processing
if (h.responseStartTime > 0 && h.requestTime > 0) { // works for all variable types
timeOffset = Date.parse(h.responseHeaders.Date)
- Math.round(h.responseStartTime/2 + h.requestTime/2);
// Date header has only 1 second resolution
accuracy = h.responseStartTime/2 - h.requestTime/2 + 1000;
}
else {
timeOffset += Date.parse(h.responseHeaders.Date) - DOM_LOAD_TIME;
}
}
catch (ex) { // no headers object
// try to get the relevant data using XMLHttpRequest, if we haven't already
if (arguments.length == 0) {
try {
h = {responseHeaders: {}, requestTime: (new Date()).valueOf()};
GM_xmlhttpRequest({
method: "GET",
url: location.href.toString().substring(0,
location.href.toString().indexOf(location.pathname))
+ "/aw-cgi/eBayISAPI.dll?TimeShow",
onreadystatechange: function (result) {
if (result.readyState == 3 && result.responseText) {
// request sent & (some) data received
h.responseStartTime = h.responseStartTime || (new Date()).valueOf();
}
else if (result.readyState == 4) { // request complete
try {
h.responseHeaders.Date = /Date:\s*(.*?)$/m.exec(
result.responseHeaders)[1];
} catch (ex) {}
initAuctionPage(h);
}
}
});
return;
} catch (ex) {} // no GM_xmlhttpRequest
}
}
// find the auction end time element
var endTimeNode = null, endTimeREMatch = null;
try {
var result = document.evaluate(XPATH_END_TIME_NODES, document, null,
XPathResult.UNORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i = 0; endTimeNode = result.snapshotItem(i); i++) {
if (endTimeREMatch = END_TIME_RE.exec((endTimeNode.textContent // thanks DOM3
|| endTimeNode.innerHTML || endTimeNode.nodeValue).replace(SPACE_RE, " "))) {
while (endTimeNode && endTimeNode.nodeType != Node.ELEMENT_NODE
&& endTimeNode.nodeType != Node.DOCUMENT_NODE) {
endTimeNode = endTimeNode.parentNode;
}
break;
}
}
} catch (ex) {}
// create the countdown and prep in-place bidding
if (endTimeREMatch) {
topTableCountdown = endTimeNode.parentNode.insertBefore(createElement("strong"),
endTimeNode.parentNode.firstChild);
topTableCountdown.style.display = "block";
topTableCountdown.style.fontSize = "larger !important";
startCountdown(createCountdown(topTableCountdown, accuracy, upgradeLiveHTTPHeaders),
timeOffset, endTimeREMatch[1], endTimeREMatch[4]);
}
activateInPlaceBidding();
};
function createCountdown (elContainer, intAccuracyMS, blnUpgrade) {
// empty the container and add a class for user stylesheets
while (elContainer.firstChild) elContainer.removeChild(elContainer.lastChild);
elContainer.className = "ePreyCountdownContainer";
// create the countdown element
elContainer.txtCountdown = elContainer.appendChild(createElement("a"));
elContainer.txtCountdown.className = "ePreyCountdown";
elContainer.txtCountdown = elContainer.txtCountdown.appendChild(document.createTextNode(""));
// create the accuracy element
var elAcc = elContainer.appendChild(createElement("span"));
elAcc.className = "ePreyAccuracyContainer";
elAcc.style.fontSize = "smaller";
elAcc.appendChild(document.createTextNode(" " + PLUS_MINUS + " "));
elAcc = elAcc.appendChild(createElement("a"));
elAcc.className = "ePreyAccuracy";
elAcc.appendChild(document.createTextNode((intAccuracyMS ? msToHMS(intAccuracyMS)
: "??:??:??")));
if (blnUpgrade) {
elAcc.appendChild(document.createTextNode(" *"));
elAcc.setAttribute("title", UPGRADE_STR);
elAcc.setAttribute("href", UPGRADE_URI);
elAcc.setAttribute("target", "_blank");
}
else if (!intAccuracyMS) {
elAcc.setAttribute("title", BAD_DATE_STR);
}
// return the container
return elContainer;
};
function startCountdown (elContainer, intTimeOffsetMS, strEndDate, strEndTimeWithZone) {
var endTime = strEndTimeWithZone.replace(/^[^0-9\s]?\d{2}[^0-9\s](\d{2})[^0-9\s](\d{2}).*$/,
function(f,m,s){return Math.floor((new Date()).valueOf() / MS_PER_HOUR) * MS_PER_HOUR
+ m * 60000 + s * 1000;});
var localized = false;
var temp;
// try to localize the update function
try {
for (var i = 0; i < l10n.length; i++) {
var local = l10n[i];
if (local.re.test(location.hostname)) {
temp = Date.parse(local.date(strEndDate) + " " + local.time(strEndTimeWithZone))
- intTimeOffsetMS;
if (localized = !isNaN(temp)) endTime = temp;
break;
}
}
} catch (ex) {}
// attach the update function
window.setInterval(function(){
var rem = endTime - (new Date()).valueOf();
if (!localized) rem = ((rem % MS_PER_HOUR) + MS_PER_HOUR) % MS_PER_HOUR;
elContainer.txtCountdown.nodeValue =
msToHMS(rem).replace((localized ? "??:" : /^-?\d+:/), "??:");
elContainer.style.color = (rem < 0 ? "black" : "rgb("
+ Math.min(255, Math.round(255 * Math.exp(-rem/(MS_PER_HOUR)))) + ",0,0)");
}, 100);
};
function activateInPlaceBidding () {
var form, elements, element, inPlace;
// create "in-place" submit links
for (var i = document.forms.length - 1; i >= 0; i--) {
form = document.forms[i];
elements = form.elements;
// only work with bid submission forms
if (BID_RE.test(form.action)) {
for (var listener, j = elements.length - 1; j >= 0; j--) {
element = elements[j];
if (/^input:(submit|image)$/i.test(element.nodeName + ":" + element.type)) {
inPlace = element.parentNode.insertBefore(createElement("span"),
element.nextSibling);
inPlace.className = "ePreyInPlace";
inPlace.appendChild(document.createTextNode(" "));
inPlace = inPlace.appendChild(createElement("a"));
inPlace.appendChild(document.createTextNode("(in place)"));
inPlace.style.fontSize = "smaller";
inPlace.setAttribute("href", "#");
inPlace.setAttribute("title", element.value.replace(/\s*\W*\s*$/,
" (in place). Does not leave this page, but may break the back button."));
listener = bidInPlaceWrapper(element);
inPlace.addEventListener("click", listener, true);
inPlace.addEventListener("DOMActivate", listener, true);
}
}
}
}
};
function bidInPlaceWrapper (elTarget) {
return function(evt){return bidInPlace(evt, elTarget);};
}
function bidInPlace (evt, elTarget) {
var form = elTarget.form, box = form, width, height, frame = createElement("iframe"),
src = form.action, get = [], temp;
frame.addEventListener("load", iframeOnLoad, true);
// bubble up from subordinate elements and determine what size the frame should be
// normal case
if (/^t(head|foot|body)$/i.test(box.parentNode.nodeName)) box = box.parentNode;
if (box.parentNode.nodeName.toLowerCase() == "table") box = box.parentNode;
width = box.offsetWidth || 0;
height = box.offsetHeight || 0;
for (var i = box.childNodes.length - 1; i >= 0; i--) {
width = Math.max(width,
(box.childNodes[i].offsetLeft + box.childNodes[i].offsetWidth) || 0);
height = Math.max(height,
(box.childNodes[i].offsetTop + box.childNodes[i].offsetHeight) || 0);
}
// top table (limit height to just show form elements, with 20px reserved for a scrollbar)
if (isAncestorOf(box, topTableCountdown)) {
height = 0;
for (var inputs = form.elements, i = 0; i < inputs.length; i++) {
temp = [inputs[i].offsetParent, inputs[i].offsetTop + inputs[i].offsetHeight];
while (isAncestorOf(box, temp[0])) {
temp[1] += temp[0].offsetTop;
temp[0] = temp[0].offsetParent;
}
height = Math.max(height, temp[1] + 20);
}
}
// submit the form
if (form.method == "get") { // determine the src corresponding to the submission
if (src.slice(-1) != "?") src += "?";
for (var inputs = form.elements, i = 0; i < inputs.length; i++) {
if (inputs[i].nodeName.toLowerCase() != "input"
|| !/^(submit|reset|image)$/i.test(inputs[i].type)
|| inputs[i].isSameNode(elTarget)) {
get.push(encodeURIComponent(inputs[i].name) + "="
+ encodeURIComponent(inputs[i].value));
}
}
try {
frame.contentWindow.location.replace(src + get.join("&"));
}
catch (ex) {
frame.src = src + get.join("&");
}
}
else { // fake it by cloning the form
frame.className = "postSubmit";
frame.addEventListener("load", function(){
if (/(^|\s)postSubmit(\s|$)/.test(this.className)) {
this.className = this.className.replace(/(^|\s)postSubmit(\s|$)/g, "$1$2");
var newForm = this.contentDocument.body.appendChild(form.cloneNode(true));
// make sure all elements are represented
for (var inputs = form.elements, i = 0; i < inputs.length; i++) {
if (!isAncestorOf(form, inputs[i])) {
newForm.appendChild(inputs[i].cloneNode(true));
}
}
// submit
newForm.appendChild(elTarget.cloneNode(true)).click();
}
}, false);
try {
frame.contentWindow.location.reload();
}
catch (ex) {
frame.src = "about:blank";
}
}
// style and place the frame
temp = {position: "absolute", backgroundColor: "white",
width: Math.max(width, 100) + "px", height: Math.max(height, 50) + "px",
margin: 0, border: 0, padding: 0};
for (var sel in temp) try { frame.style[sel] = temp[sel]; } catch (ex) {}
box.parentNode.insertBefore(frame, box);
// cancel the event
evt.preventDefault();
evt.stopPropagation();
return false;
};
// activate based on the page location
//if (/\/aw-cgi\/eBayISAPI\.dll\?TimeShow/i.test(location.href)) {}
if (/^https?:\/\/[^\/]+\.ebay\..+\/(viItem\?|.*ViewItem)/i.test(location.href)) {
window.addEventListener("load", function(){initAuctionPage();}, true);
}
})();
