Enhance Twitter Web with lots of features.
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// ==UserScript==
// @name TwiShell
// @namespace TwiShell
// @description Enhance Twitter Web with lots of features.
// @match http://twitter.com/*
// @match https://twitter.com/*
// @version 3.16
// @run-at document-start
// ==/UserScript==
//noinspection ThisExpressionReferencesGlobalObjectJS
(function (window) {
'use strict';
var document = window.document;
var ELEMENT_NODE = 1,
TEXT_NODE = 3;
var click = function (node) {
var event = document.createEvent("Event");
event.initEvent("click", true, true);
node.dispatchEvent(event);
};
var hasClass = function (node, cls) {
return node.classList && node.classList.contains(cls);
};
var addClass = function (node, cls) {
node.classList.add(cls);
};
var removeClass = function (node, cls) {
node.classList.remove(cls);
};
var toggleClass = function (node, cls) {
node.classList.toggle(cls);
};
var wantsMoreTimelineItems = function () {
var event = document.createEvent("Event");
event.initEvent("uiNearTheBottom", true, true);
document.dispatchEvent(event);
};
// throttle function call in specified interval
var throttle = function (fn, interval) {
var fnTimer;
var repeatCalling = false;
return function wrapper() {
if (!fnTimer) {
fn();
fnTimer = setTimeout(function () {
fnTimer = null;
if (repeatCalling) {
repeatCalling = false;
wrapper();
}
}, interval);
}
else {
repeatCalling = true;
}
};
};
var globalDialog,
retweetDialog;
var getOriginalTweetText = function (tweetNode) {
var originalTweetText = Array.prototype.reduce.call(
tweetNode.querySelector(".js-tweet-text").childNodes,
function (acc, childNode) {
var text;
if (childNode.nodeType === TEXT_NODE) {
text = childNode.textContent;
}
else if (childNode.nodeType === ELEMENT_NODE) {
text = childNode.getAttribute("data-expanded-url") || childNode.textContent;
}
if (text) {
acc.push(text);
}
return acc;
},
[]
).join("");
var screenName = tweetNode.getAttribute("data-screen-name");
return "RT @" + screenName + ": " + originalTweetText.split("\n").map(function (s) {
return "<div>" + s + "</div>";
}).join("");
};
var hideRetweetDialog = function () {
click(document.querySelector("#retweet-tweet-dialog .modal-close"));
};
var showGlobalTweetDialog = function () {
globalDialog.querySelector(".draggable").setAttribute(
"style",
retweetDialog.querySelector(".draggable").getAttribute("style")
);
click(document.getElementById("global-new-tweet-button"));
globalDialog.querySelector(".modal-title").innerHTML =
retweetDialog.querySelector(".modal-title").innerHTML;
};
var prepareRT = function (tweetNode) {
hideRetweetDialog();
showGlobalTweetDialog();
var text = getOriginalTweetText(tweetNode);
fillInTweetBox(text);
};
var fillInTweetBox = function (text) {
var tweetBox = globalDialog.querySelector(".tweet-box"),
range = document.createRange(),
selection = window.getSelection();
tweetBox.innerHTML = text;
tweetBox.focus();
// Place cursor in the front.
range.selectNodeContents(tweetBox);
range.collapse(true);
selection.removeAllRanges();
selection.addRange(range);
};
var replaceCancelButton = function () {
if (!retweetDialog) { // sometimes it will become null
return;
}
var btnCancel = retweetDialog.querySelector(".cancel-action");
addClass(btnCancel, "rt-action");
removeClass(btnCancel, "cancel-action");
btnCancel.innerHTML = "RT";
btnCancel.addEventListener("click", function () {
prepareRT(retweetDialog.querySelector(".tweet"));
}, false);
};
var isAttachedMap = Object.create(null);
var attachProtectedTweet = function () {
Array.prototype.forEach.call(document.querySelectorAll(".tweet[data-protected=true]"), function (protectedTweet) {
var itemId = protectedTweet.getAttribute("data-item-id");
if (!(isAttachedMap[itemId])) {
isAttachedMap[itemId] = true;
var rtBtn = protectedTweet.querySelector(".js-toggleRt button");
rtBtn.removeAttribute("disabled");
removeClass(rtBtn, "is-disabled");
removeClass(rtBtn, "js-disableTweetAction");
rtBtn.addEventListener("click", function (evt) {
if (evt.button == 2) { // Ignore right-clicks
return;
}
evt.stopPropagation();
evt.preventDefault();
for (var tweet = evt.target.parentNode; !(hasClass(tweet, "tweet")); tweet = tweet.parentNode) {}
prepareRT(tweet);
}, false);
}
});
};
var tcoMatcher = /^http(?:s)?:\/\/t\.co\/[0-9A-Za-z]+$/i;
var expandAllUrl = function () {
Array.prototype.forEach.call(
document.querySelectorAll("a.twitter-timeline-link:not(.url-expanded)"),
function (tlLink) {
var expandedUrl = tlLink.getAttribute("data-expanded-url");
if (expandedUrl && tcoMatcher.test(tlLink.getAttribute("href"))) {
tlLink.setAttribute("href", expandedUrl);
}
addClass(tlLink, "url-expanded");
}
);
};
var removeLangAttr = function () {
Array.prototype.forEach.call(document.querySelectorAll("p.js-tweet-text[lang]"), function (el) {
el.removeAttribute("lang");
});
};
document.addEventListener("DOMContentLoaded", function () {
globalDialog = document.getElementById("global-tweet-dialog");
retweetDialog = document.getElementById("retweet-tweet-dialog");
replaceCancelButton();
}, false);
var styles = [
"@media screen {",
".content-main, .profile-page-header {float: left !important;}",
"body.three-col .wrapper {width: 900px !important;}",
"body.three-col .content-main {min-height: 700px;}",
".dashboard {float: right !important;}",
"#suggested-users {clear: none !important;}",
"}"
].join("");
var addStyle = function (css) {
var node = document.createElement("style");
node.type = "text/css";
node.appendChild(document.createTextNode(css));
document.documentElement.appendChild(node);
node = null;
};
addStyle(styles);
var throttledExpandUrl = throttle(expandAllUrl, 100);
var throttledAttachProtectedTweet = throttle(attachProtectedTweet, 100);
var throttledRemoveLangAttr = throttle(removeLangAttr, 100);
new MutationObserver(function (mutations) {
mutations.forEach(function (mutation) {
throttledExpandUrl();
throttledAttachProtectedTweet();
throttledRemoveLangAttr();
});
}).observe(document, {
childList: true,
subtree: true
});
})(this);