Displays any alt-text from faces in the comments, eliminating the need to mouse over.
// ==UserScript==
// @name Super Reddit Alt-Text Display
// @namespace reddit_alt_text
// @description Displays any alt-text from faces in the comments, eliminating the need to mouse over.
// @include http://*.reddit.com/*
// @include https://*.reddit.com/*
// @match http://*.reddit.com/*
// @match https://*.reddit.com/*
// @version 2.5.1
// ==/UserScript==
// This work is licensed under the Creative Commons Attribution 2.0 Generic License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by/2.0/.
// This is not a "real" url regex, it just looks for url like things and hopes
var linkRegex = new RegExp("\\b(?:(http(?:s?)\://)|(?:www\\d{0,3}[.])|(?:[a-z0-9.\-]+[.][a-z]{2,4}/))(?:\\S*)\\b", "i")
var inlineEmoteRegex = new RegExp("-inp?(?:-|$)")
function inBlacklist(theLink) {
if (theLink.href.substr(-2,2) == "/b") { // Don't expand the spoiler tags from r/gameofthrones
return true;
}
if (theLink.href.substr(-8,8) == "/spoiler") { // Don't expand alt-text on spoiler tags from r/mylittlepony
return true;
}
return false;
}
function addStyle(newStyle) {
var head = document.getElementsByTagName("head")[0];
var cssNode = document.createElement('style')
cssNode.type = 'text/css'
cssNode.appendChild(document.createTextNode(newStyle))
head.appendChild(cssNode)
}
altTextStyle = ".SuperRedditAltTextDisplay_Text {color: gray; word-wrap: break-word}\n" +
".SuperRedditAltTextDisplay_Inline {display: inline-block;}\n" +
".SuperRedditAltTextDisplay_Text a {color: gray; text-decoration:underline}\n"
addStyle(altTextStyle)
function expandEmotes(postDiv) {
// Convert the live result of getElementsByTagName to a static array because
// we don't want to see the links we add to the div.
var innerLinks = Array.prototype.slice.call(postDiv.getElementsByTagName("a"));
for (var j in innerLinks) {
if (innerLinks[j].title && innerLinks[j].title != " " && !inBlacklist(innerLinks[j])
&& innerLinks[j].className.indexOf("emoteTextExpanded") == -1) {
// If a link has alt-text copy it to a div next to the link
var altText = innerLinks[j].title
var theDiv = document.createElement("div")
theDiv.setAttribute("class", "SuperRedditAltTextDisplay_Text")
if (inlineEmoteRegex.exec(innerLinks[j].href)) {
theDiv.setAttribute("class", "SuperRedditAltTextDisplay_Text SuperRedditAltTextDisplay_Inline")
}
else {
theDiv.setAttribute("class", "SuperRedditAltTextDisplay_Text")
}
// Hunt for links in the text
while (altText) {
linkResult = linkRegex.exec(altText)
if (linkResult) {
// Copy pre-link text
theDiv.appendChild(document.createTextNode(altText.substr(0,linkResult.index)))
// Add the link
var newLinkElement = document.createElement("a")
if ( linkResult[1] ) {
newLinkElement.href = linkResult[0]
}
else {
newLinkElement.href = "http://" + linkResult[0]
}
newLinkElement.appendChild(document.createTextNode(linkResult[0]))
theDiv.appendChild(newLinkElement)
// Chop off the used text and continue
altText = altText.substr(linkResult.index + linkResult[0].length)
}
else {
theDiv.appendChild(document.createTextNode(altText))
altText = ""
}
}
var linkNextSibling = innerLinks[j].nextSibling
if (innerLinks[j].className.indexOf("imgFound") != -1) {
// Inserting the div after a link will confuse the RES image expander, so if RES ran
// before us insert our div after the expand button.
linkNextSibling = linkNextSibling.nextSibling
}
if (innerLinks[j].className.indexOf("hiddenEmoteExpanded") != -1) {
// Our hidden emote script ran before us, so skip over the span it added after the link
linkNextSibling = linkNextSibling.nextSibling
}
if (innerLinks[j].className.indexOf("youtubeLinkFound") != -1) {
// Our youtube script ran before us, so skip over the div it added after the link
linkNextSibling = linkNextSibling.nextSibling
}
innerLinks[j].parentNode.insertBefore(theDiv, linkNextSibling)
innerLinks[j].className += " emoteTextExpanded"
}
}
}
function expandChildMDs(elm) {
// Find all user created content sections and expand emotes in them
var mdElements = elm.getElementsByClassName("md")
for (var i in mdElements) {
if (mdElements[i].tagName == 'DIV') {
expandEmotes(mdElements[i]);
}
}
}
// hasClass, stolen from the Reddit Enhancement Suite
function hasClass(ele,cls) {
if ((typeof(ele) == 'undefined') || (ele == null)) {
console.log(arguments.callee.caller);
return false;
}
return ele.className.match(new RegExp('(\\s|^)'+cls+'(\\s|$)'));
}
// Add a listener for the DOMNodeInserted event so we can expand emotes in new comments
// created by either a reply or by clicking "load more comments" in large threads.
function handleInsertion( event ) {
if ((event.target.tagName == 'DIV') && (hasClass(event.target, "thing"))) {
// Insertion event for "load more comments" & new replies
// The actual even we see will be the insertion of the outer "thing" div
//GM_log("Scanning DIV.thing")
expandChildMDs(event.target)
}
else if ((event.target.tagName == 'FORM') && (hasClass(event.target, "usertext"))) {
// Insertion event for text expando blocks
//GM_log("Scanning FORM.usertext")
expandChildMDs(event.target)
}
/*
else {
GM_log("Other insertion: " + event.target.tagName + " : " + event.target.className)
}
*/
}
// Add a listener for the DOMNodeInserted event so we can expand emotes on the RES dashboard
// This gets it's own listener because watching sitetable causes unnecessary rescans on normal submission pages.
function handleSitetableInsertion( event ) {
if ((event.target.tagName == 'DIV') && (hasClass(event.target, "sitetable")) && (hasClass(event.target, "linklisting"))) {
// Insertion event for RES dashboard widgets
// Note: This causes rescans on some other pages too
//GM_log("Scanning DIV.sitetable.linklisting")
expandChildMDs(event.target)
}
else if ((event.target.tagName == 'DIV') && (hasClass(event.target, "parent"))) {
// Insertion event fow "show parent" on the RES dashboard
//GM_log("Scanning DIV.parent")
expandChildMDs(event.target)
}
}
// Initial expansion of static content
expandChildMDs(document)
document.body.addEventListener('DOMNodeInserted', handleInsertion, false);
if (RegExp("^https?://(?:www.)?reddit.com/r/dashboard", "i").exec(window.location)) {
// Add the listener for sitetable if we're on the RES dashboard
document.body.addEventListener('DOMNodeInserted', handleSitetableInsertion, false);
}
else if (RegExp("^https?://(?:www.)?reddit.com/user/", "i").exec(window.location) && document.getElementsByClassName("neverEndingReddit")) {
// Add this listener for RES never ending reddit on user pages
document.body.addEventListener('DOMNodeInserted', handleSitetableInsertion, false);
}