bloat/static/fluoride.js

223 lines
5.8 KiB
JavaScript

// @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt CC0
var reverseActions = {
"like": "unlike",
"unlike": "like",
"retweet": "unretweet",
"unretweet": "retweet"
};
function getCSRFToken() {
var tag = document.querySelector("meta[name='csrf_token']");
if (tag)
return tag.getAttribute("content");
return "";
}
function http(method, url, body, type, success, error) {
var req = new XMLHttpRequest();
req.onload = function() {
if (this.status === 200 && typeof success === "function") {
success(this.responseText, this.responseType);
} else if (typeof error === "function") {
error(this.responseText);
}
};
req.onerror = function() {
if (typeof error === "function") {
error(this.responseText);
}
};
req.open(method, url);
req.setRequestHeader("Content-Type", type);
req.send(body);
}
function updateActionForm(id, f, action) {
f.querySelector("[type='submit']").value = action;
f.action = "/" + action + "/" + id;
f.dataset.action = action;
}
function handleLikeForm(id, f) {
f.onsubmit = function(event) {
event.preventDefault();
var action = f.dataset.action;
var forms = document.
querySelectorAll(".status-"+id+" .status-like");
for (var i = 0; i < forms.length; i++) {
updateActionForm(id, forms[i], reverseActions[action]);
}
var body = "csrf_token=" + encodeURIComponent(getCSRFToken());
var contentType = "application/x-www-form-urlencoded";
http("POST", "/fluoride/" + action + "/" + id,
body, contentType, function(res, type) {
var data = JSON.parse(res);
var count = data.data;
if (count === 0)
count = "";
var counts = document.
querySelectorAll(".status-"+id+" .status-like-count");
for (var i = 0; i < counts.length; i++) {
if (count > 0) {
counts[i].innerHTML = "(" + count + ")";
} else {
counts[i].innerHTML = "";
}
}
}, function(err) {
for (var i = 0; i < forms.length; i++) {
updateActionForm(id, forms[i], action);
}
});
}
}
function handleRetweetForm(id, f) {
f.onsubmit = function(event) {
event.preventDefault();
var action = f.dataset.action;
var forms = document.
querySelectorAll(".status-"+id+" .status-retweet");
for (var i = 0; i < forms.length; i++) {
updateActionForm(id, forms[i], reverseActions[action]);
}
var body = "csrf_token=" + encodeURIComponent(getCSRFToken());
var contentType = "application/x-www-form-urlencoded";
http("POST", "/fluoride/" + action + "/" + id,
body, contentType, function(res, type) {
var data = JSON.parse(res);
var count = data.data;
if (count === 0)
count = "";
var counts = document.
querySelectorAll(".status-"+id+" .status-retweet-count");
for (var i = 0; i < counts.length; i++) {
if (count > 0) {
counts[i].innerHTML = "(" + count + ")";
} else {
counts[i].innerHTML = "";
}
}
}, function(err) {
for (var i = 0; i < forms.length; i++) {
updateActionForm(id, forms[i], action);
}
});
}
}
function isInView(el) {
var ract = el.getBoundingClientRect();
if (ract.top > 0 && ract.bottom < window.innerHeight)
return true;
return false;
}
function handleReplyToLink(div) {
if (!div)
return;
var id = div.firstElementChild.getAttribute("href");
if (!id || id[0] != "#")
return;
div.firstElementChild.onmouseenter = function(event) {
var id = event.target.getAttribute("href");
var status = document.querySelector(id);
if (!status)
return;
if (isInView(status)) {
status.classList.add("highlight");
} else {
var copy = status.cloneNode(true);
copy.id = "reply-to-popup";
var ract = event.target.getBoundingClientRect();
if (ract.top > window.innerHeight / 2) {
copy.style.bottom = (window.innerHeight -
window.scrollY - ract.top) + "px";
}
event.target.parentElement.appendChild(copy);
}
}
div.firstElementChild.onmouseleave = function(event) {
var popup = document.getElementById("reply-to-popup");
if (popup) {
event.target.parentElement.removeChild(popup);
} else {
var id = event.target.getAttribute("href");
document.querySelector(id)
.classList.remove("highlight");
}
}
}
function handleReplyLink(div) {
div.firstElementChild.onmouseenter = function(event) {
var id = event.target.getAttribute("href");
var status = document.querySelector(id);
if (!status)
return;
if (isInView(status)) {
status.classList.add("highlight");
} else {
var copy = status.cloneNode(true);
copy.id = "reply-popup";
var ract = event.target.getBoundingClientRect();
if (ract.left > window.innerWidth / 2) {
copy.style.right = (window.innerWidth -
ract.right - 12) + "px";
}
event.target.parentElement.appendChild(copy);
}
}
div.firstElementChild.onmouseleave = function(event) {
var popup = document.getElementById("reply-popup");
if (popup) {
event.target.parentElement.removeChild(popup);
} else {
var id = event.target.getAttribute("href");
document.querySelector(id).classList.remove("highlight");
}
}
}
function handleStatusLink(a) {
if (a.classList.contains("mention"))
return;
a.target = "_blank";
}
document.addEventListener("DOMContentLoaded", function() {
var statuses = document.querySelectorAll(".status-container");
for (var i = 0; i < statuses.length; i++) {
var s = statuses[i];
var id = s.dataset.id;
var likeForm = s.querySelector(".status-like");
handleLikeForm(id, likeForm);
var retweetForm = s.querySelector(".status-retweet");
handleRetweetForm(id, retweetForm);
var replyToLink = s.querySelector(".status-reply-to");
handleReplyToLink(replyToLink);
var replyLinks = s.querySelectorAll(".status-reply");
for (var j = 0; j < replyLinks.length; j++) {
handleReplyLink(replyLinks[j]);
}
var links = s.querySelectorAll(".status-content a");
for (var j = 0; j < links.length; j++) {
handleStatusLink(links[j]);
}
}
});
// @license-end