315 lines
7.9 KiB
JavaScript
315 lines
7.9 KiB
JavaScript
// @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt CC0
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var reverseActions = {
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"like": "unlike",
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"unlike": "like",
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"retweet": "unretweet",
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"unretweet": "retweet"
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};
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var csrfToken = "";
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var antiDopamineMode = false;
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function checkCSRFToken() {
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var tag = document.querySelector("meta[name='csrf_token']");
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if (tag)
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csrfToken = tag.getAttribute("content");
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}
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function checkAntiDopamineMode() {
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var tag = document.querySelector("meta[name='antidopamine_mode']");
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if (tag)
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antiDopamineMode = tag.getAttribute("content") === "true";
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}
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function http(method, url, body, type, success, error) {
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var req = new XMLHttpRequest();
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req.onload = function() {
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if (this.status === 200 && typeof success === "function") {
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success(this.responseText, this.responseType);
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} else if (typeof error === "function") {
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error(this.responseText);
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}
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};
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req.onerror = function() {
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if (typeof error === "function") {
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error(this.responseText);
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}
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};
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req.open(method, url);
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req.setRequestHeader("Content-Type", type);
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req.send(body);
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}
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function updateActionForm(id, f, action) {
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f.querySelector("[type='submit']").value = action;
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f.action = "/" + action + "/" + id;
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f.dataset.action = action;
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}
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function handleLikeForm(id, f) {
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f.onsubmit = function(event) {
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event.preventDefault();
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var action = f.dataset.action;
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var forms = document.
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querySelectorAll(".status-"+id+" .status-like");
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for (var i = 0; i < forms.length; i++) {
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updateActionForm(id, forms[i], reverseActions[action]);
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}
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var body = "csrf_token=" + encodeURIComponent(csrfToken);
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var contentType = "application/x-www-form-urlencoded";
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http("POST", "/fluoride/" + action + "/" + id,
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body, contentType, function(res, type) {
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if (antiDopamineMode)
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return;
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var data = JSON.parse(res);
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var count = data.data;
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if (count === 0)
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count = "";
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var counts = document.
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querySelectorAll(".status-"+id+" .status-like-count");
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for (var i = 0; i < counts.length; i++) {
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if (count > 0) {
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counts[i].innerHTML = "(" + count + ")";
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} else {
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counts[i].innerHTML = "";
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}
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}
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}, function(err) {
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for (var i = 0; i < forms.length; i++) {
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updateActionForm(id, forms[i], action);
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}
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});
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}
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}
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function handleRetweetForm(id, f) {
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f.onsubmit = function(event) {
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event.preventDefault();
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var action = f.dataset.action;
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var forms = document.
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querySelectorAll(".status-"+id+" .status-retweet");
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for (var i = 0; i < forms.length; i++) {
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updateActionForm(id, forms[i], reverseActions[action]);
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}
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var body = "csrf_token=" + encodeURIComponent(csrfToken);
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var contentType = "application/x-www-form-urlencoded";
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http("POST", "/fluoride/" + action + "/" + id,
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body, contentType, function(res, type) {
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if (antiDopamineMode)
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return;
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var data = JSON.parse(res);
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var count = data.data;
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if (count === 0)
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count = "";
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var counts = document.
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querySelectorAll(".status-"+id+" .status-retweet-count");
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for (var i = 0; i < counts.length; i++) {
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if (count > 0) {
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counts[i].innerHTML = "(" + count + ")";
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} else {
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counts[i].innerHTML = "";
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}
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}
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}, function(err) {
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for (var i = 0; i < forms.length; i++) {
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updateActionForm(id, forms[i], action);
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}
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});
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}
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}
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function isInView(el) {
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var ract = el.getBoundingClientRect();
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if (ract.top > 0 && ract.bottom < window.innerHeight)
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return true;
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return false;
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}
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function handleReplyToLink(a) {
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if (!a)
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return;
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var id = a.getAttribute("href");
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if (!id || id[0] != "#")
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return;
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a.onmouseenter = function(event) {
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var id = event.target.getAttribute("href");
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var status = document.querySelector(id);
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if (!status)
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return;
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if (isInView(status)) {
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status.classList.add("highlight");
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} else {
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var copy = status.cloneNode(true);
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copy.id = "reply-to-popup";
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var ract = event.target.getBoundingClientRect();
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copy.style["max-width"] = (window.innerWidth - ract.left - 32) + "px";
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if (ract.top > window.innerHeight / 2) {
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copy.style.bottom = (window.innerHeight -
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window.scrollY - ract.top) + "px";
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}
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event.target.parentElement.appendChild(copy);
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}
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}
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a.onmouseleave = function(event) {
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var popup = document.getElementById("reply-to-popup");
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if (popup) {
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event.target.parentElement.removeChild(popup);
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} else {
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var id = event.target.getAttribute("href");
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document.querySelector(id)
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.classList.remove("highlight");
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}
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}
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}
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function handleReplyLink(a) {
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a.onmouseenter = function(event) {
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var id = event.target.getAttribute("href");
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var status = document.querySelector(id);
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if (!status)
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return;
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if (isInView(status)) {
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status.classList.add("highlight");
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} else {
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var copy = status.cloneNode(true);
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copy.id = "reply-popup";
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var ract = event.target.getBoundingClientRect();
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copy.style["max-width"] = (window.innerWidth - 98) + "px";
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if (ract.left > window.innerWidth / 2) {
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copy.style.right = (window.innerWidth -
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ract.right - 12) + "px";
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}
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event.target.parentElement.appendChild(copy);
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}
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}
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a.onmouseleave = function(event) {
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var popup = document.getElementById("reply-popup");
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if (popup) {
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event.target.parentElement.removeChild(popup);
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} else {
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var id = event.target.getAttribute("href");
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document.querySelector(id).classList.remove("highlight");
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}
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}
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}
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function handleStatusLink(a) {
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if (a.classList.contains("mention"))
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a.removeAttribute("target");
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else
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a.target = "_blank";
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}
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function setPos(el, cx, cy, mw, mh) {
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var h = el.clientHeight;
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var w = el.clientWidth;
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var left, top;
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if (cx < mw/2) {
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if (w + cx + 20 < mw) {
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left = cx + 20;
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} else {
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left = (mw - w);
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}
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} else {
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if (cx - w - 20 > 0) {
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left = cx - w - 20;
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} else {
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left = 0;
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}
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}
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top = (cy - (h/2));
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if (top < 0) {
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top = 0;
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} else if (top + h > mh) {
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top = (mh - h);
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}
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el.style.left = left + "px";
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el.style.top = top + "px";
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}
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var imgPrev = null;
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var imgX = 0;
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var imgY = 0;
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function handleImgPreview(a) {
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a.onmouseenter = function(e) {
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var mw = document.documentElement.clientWidth;
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var mh = document.documentElement.clientHeight - 24;
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imgX = e.clientX;
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imgY = e.clientY;
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var img = document.createElement("img");
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img.id = "img-preview";
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img.src = e.target.getAttribute("href");
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img.style["max-width"] = mw + "px";
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img.style["max-height"] = mh + "px";
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imgPrev = img;
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img.onload = function(e2) {
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setPos(imgPrev, imgX, imgY, mw, mh);
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}
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document.body.appendChild(img);
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}
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a.onmouseleave = function(e) {
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var img = document.getElementById("img-preview");
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if (img)
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document.body.removeChild(img);
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imgPrev = null;
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}
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a.onmousemove = function(e) {
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if (!imgPrev)
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return;
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var mw = document.documentElement.clientWidth;
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var mh = document.documentElement.clientHeight - 24;
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imgX = e.clientX;
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imgY = e.clientY;
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setPos(imgPrev, imgX, imgY, mw, mh);
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}
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}
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document.addEventListener("DOMContentLoaded", function() {
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checkCSRFToken();
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checkAntiDopamineMode();
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var statuses = document.querySelectorAll(".status-container");
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for (var i = 0; i < statuses.length; i++) {
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var s = statuses[i];
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var id = s.dataset.id;
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var likeForm = s.querySelector(".status-like");
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handleLikeForm(id, likeForm);
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var retweetForm = s.querySelector(".status-retweet");
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handleRetweetForm(id, retweetForm);
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var replyToLink = s.querySelector(".status-reply-to-link");
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handleReplyToLink(replyToLink);
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var replyLinks = s.querySelectorAll(".status-reply-link");
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for (var j = 0; j < replyLinks.length; j++) {
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handleReplyLink(replyLinks[j]);
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}
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var links = s.querySelectorAll(".status-content a");
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for (var j = 0; j < links.length; j++) {
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handleStatusLink(links[j]);
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}
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}
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var links = document.querySelectorAll(".user-profile-decription a, .user-fields a");
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for (var j = 0; j < links.length; j++) {
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links[j].target = "_blank";
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}
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var links = document.querySelectorAll(".status-media-container .img-link");
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for (var j = 0; j < links.length; j++) {
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handleImgPreview(links[j]);
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}
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});
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// @license-end
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