//infinite-voz.js
// ==UserScript==
// @name Infinite Scroll VOZ
// @namespace http://vozforums.com/
// @version 1.0
// @description try to take over the world!
// @author You
// @match https://vozforums.com/forumdisplay.php?f=*
// @match https://vozforums.com/showthread.php?t=*
// @match https://vozforums.com/showthread.php?p=*
// @match http://vozforums.com/forumdisplay.php?f=*
// @match http://vozforums.com/showthread.php?t=*
// @grant GM_addStyle
// ==/UserScript==
GM_addStyle(".hide {display: none} .show{display: block} ");
(function() {
'use strict';
var parser = new DOMParser();
var threads = document.getElementById('threadslist');
var posts = document.getElementById('posts');
var currentPage = +getCurrentPage();
var lastPage = +getLastPage();
var isLoading = false;
const PAGE_REG = /Page \d+/;
const BUFFER_HEIGHT = 300; // Magic number, to load next page before reach the end.
const loadingSpinHTML = '<div class="" style="width: 100px; margin: 0 auto;">Loading... <img src="data:image/gif;base64,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"/></div>';
const loadingSpin = document.createElement("div");
loadingSpin.innerHTML = loadingSpinHTML;
loadingSpin.className = "hide";
//==========================================================================
// Load Thread
//==========================================================================
if (threads) {
var boxId = getParameterByName('f', window.location.href);
var innerThreadList = document.getElementById('threadbits_forum_' + boxId);
var threadListOffsetTop = getCoords(threads).top;
insertAfter(threads, loadingSpin);
window.addEventListener('scroll', function() {
if (window.scrollY + window.innerHeight + BUFFER_HEIGHT >= threads.offsetHeight + threadListOffsetTop) {
if (isLoadable()) {
loadingSpin.className = "show";
isLoading = true;
loadBoxPage(boxId, ++currentPage,function(loadedDoc) {
pushState(currentPage);
innerThreadList.innerHTML += '<tr><td colspan="2">Page ' + currentPage + '</td></tr>';
innerThreadList.innerHTML += loadedDoc.getElementById('threadbits_forum_' + boxId).innerHTML;
lastPage = getLastPage(loadedDoc);
updatePageNavigator(loadedDoc.querySelector("div.pagenav").innerHTML);
isLoading = false;
loadingSpin.className = "hide";
});
}
}
});
//==========================================================================
// Load Post
//==========================================================================
} else if (posts) {
var postsOffsetTop = getCoords(posts).top;
var threadId = getParameterByName('t', window.location.href) || threadid;
insertAfter(posts, loadingSpin);
window.addEventListener('scroll', function() {
if (window.scrollY + window.innerHeight + BUFFER_HEIGHT >= posts.offsetHeight + postsOffsetTop) {
if (isLoadable()) {
loadingSpin.className = "show";
isLoading = true;
loadThreadPage(threadId, ++currentPage, function(loadedDoc) {
pushState(currentPage);
permalink(loadedDoc);
removeRedirect(loadedDoc);
posts.innerHTML += '<div>Page' + currentPage + '</div>';
posts.innerHTML += loadedDoc.getElementById('posts').innerHTML;
lastPage = getLastPage(loadedDoc);
updatePageNavigator(loadedDoc.querySelector("div.pagenav").innerHTML);
isLoading = false;
loadingSpin.className = "hide";
//Multiquote init
mq_init(fetch_object("posts"));
});
}
}
});
// Create permalink for the first time
permalink(document);
removeRedirect(posts);
// Add quick reply widget
quickReply();
setFixedPageNavigation();
bindShortcutKey();
}
function setFixedPageNavigation() {
const pagenav = document.querySelectorAll('.pagenav');
if (pagenav.length) {
// pagenav[1] => the bottom pagenav
Object.assign(pagenav[1].style, {
position: 'fixed',
bottom: 0,
right: 0
});
}
}
/**
* Add Esc and F1 shortcut.
* F1: Show quick reply box with quoted comments
* Esc: to hide quick reply box
*
* @author ReeganExE https://github.com/ReeganExE
*/
function bindShortcutKey() {
const textbox = document.querySelector('textarea[name="message"]');
const reply = document.querySelector('a[href^="newreply.php"]'); // find the Reply button and take its href
if (!textbox || !reply) {
return;
}
const replyHref = reply.href;
// Press Esc to hide the quick reply box
textbox.addEventListener('keydown', e => {
e.keyCode === 27 && toggle_collapse('quickreply');
}, false);
// Press F1 to show replybox with quotes
document.addEventListener('keydown', e => {
if (e.keyCode !== 112) { // F1
return;
}
e.preventDefault();
// Show quick reply box
toggle_collapse('quickreply');
textbox.focus();
// Load quotes
const quotes = fetch_cookie("vbulletin_multiquote");
if (quotes) { // check whether user has quoted
textbox.disabled = true;
loadQuotes(replyHref, q => {
let val = textbox.value;
if (q) {
val = val ? (val + '\n' + q) : q;
}
textbox.value = val;
textbox.disabled = false;
textbox.focus();
// Reset quotes
document.cookie = 'vbulletin_multiquote=;';
quotes.split(',').forEach(id => change_mq_image(id, false));
}, () => (textbox.disabled = false));
}
}, false);
}
/**
* https://github.com/ReeganExE/voz-permalink
* @author ReeganExE
*/
function permalink(document) {
const { origin, pathname, search } = location;
const root = [origin, pathname, search].join('');
document.querySelectorAll('.thead a:not([href])').forEach(a => {
a.href = root + '#' + a.name;
if (a.nextSibling) {
a.appendChild(a.nextSibling);
}
});
}
/**
* Remove external link redirection.
*
* https://github.com/ReeganExE
* @param {HtmlDoc} document Document or fragment
* @author ReeganExE
*/
function removeRedirect(document) {
document.querySelectorAll('a[href^="/redirect/index.php"]').forEach(a => {
a.href = decodeURIComponent(a.href.split('link=')[1]);
});
}
/**
* Add Quick Reply widget.
* https://github.com/ReeganExE
*
* @author ReeganExE
*/
function quickReply() {
var replyForm = document.getElementById('qrform');
if (replyForm) {
if (!document.getElementById('collapseimg_quickreply').src.endsWith('collapsed.gif')) {
toggle_collapse('quickreply');
}
Object.assign(replyForm.style, { position: 'fixed', top: '2px', right: '2px' });
}
}
function pushState(currentPage) {
const query = location.search.slice(1).split('&').reduce((o, v) => { const [key, val] = v.split('='); o[key] = val; return o;}, {});
const { origin, pathname } = location;
query.page = currentPage;
const search = Object.keys(query).map(k => `${k}=${query[k]}`).join('&');
let path = `${origin}${pathname}?${search}`, title = document.title;
if (PAGE_REG.test(title)) {
title = title.replace(PAGE_REG, 'Page ' + currentPage);
} else {
title = `${title} Page ${currentPage}`;
}
history.pushState({}, title, path);
document.title = title;
}
function isLoadable() {
return (!isLoading && currentPage < lastPage);
}
function getCurrentPage() {
var pages = document.querySelector("div.pagenav tbody");
if (pages) {
return pages.querySelectorAll('tr:first-child td.alt2 strong')[0].innerHTML;
}
return 1;
}
function updatePageNavigator(newHtmlNav) {
var pageNavs = document.querySelectorAll("div.pagenav");
for (var i = 0; i < pageNavs.length; i++) {
pageNavs[i].innerHTML = newHtmlNav;
}
}
function getLastPage(doc) {
if (!doc) doc = document;
var pages = doc.querySelector("div.pagenav tbody");
if (!pages) {
return 1;
}
var pageInfo = pages.querySelector('tr:first-child td.vbmenu_control').innerText;
var pageInfoWords = pageInfo.split(" ");
return (pageInfoWords[pageInfoWords.length - 1]);
}
function getParameterByName(name, url) {
if (!url) {
url = window.location.href;
}
name = name.replace(/[\[\]]/g, "\\$&");
var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, " "));
}
function getCoords(elem) { // crossbrowser version
var box = elem.getBoundingClientRect();
var body = document.body;
var docEl = document.documentElement;
var scrollTop = window.pageYOffset || docEl.scrollTop || body.scrollTop;
var scrollLeft = window.pageXOffset || docEl.scrollLeft || body.scrollLeft;
var clientTop = docEl.clientTop || body.clientTop || 0;
var clientLeft = docEl.clientLeft || body.clientLeft || 0;
var top = box.top + scrollTop - clientTop;
var left = box.left + scrollLeft - clientLeft;
return { top: Math.round(top), left: Math.round(left) };
}
function loadQuotes(href, callback, onerror) {
ajax('GET', href, loadSuccess, onerror);
function loadSuccess(xhr) {
const doc = parser.parseFromString(xhr.responseText, "text/html");
const txt = doc.querySelector('textarea[name="message"]');
callback(txt ? txt.value : txt);
}
}
function loadBoxPage(boxId, pageNo, callback) {
ajax('GET', 'https://vozforums.com/forumdisplay.php?f=' + boxId + '&order=desc&page=' + pageNo, loadSuccess);
function loadSuccess(xhr) {
callback(parser.parseFromString(xhr.responseText, "text/html"));
}
}
function loadThreadPage(threadId, pageNo, callback) {
ajax('GET', 'https://vozforums.com/showthread.php?t=' + threadId + '&page=' + pageNo, loadSuccess);
function loadSuccess(xhr) {
callback(parser.parseFromString(xhr.responseText, "text/html"));
}
}
function ajax(method, url, callback, onerror) {
var xhr = new XMLHttpRequest();
xhr.open(method, url);
xhr.send(null);
xhr.onreadystatechange = function () {
var DONE = 4; // readyState 4 means the request is done.
var OK = 200; // status 200 is a successful return.
if (xhr.readyState === DONE) {
if (xhr.status === OK) {
callback(xhr);
} else {
console.log('Error: ' + xhr.status); // An error occurred during the request.
}
}
};
xhr.onerror = onerror;
}
function insertAfter(referenceNode, newNode) {
referenceNode.parentNode.insertBefore(newNode, referenceNode.nextSibling);
}
})();
