Prevent "via Google+" comments to show up on YouTube
// ==UserScript==
// @name YouTube Anti-Google+ comments
// @name:de YouTube Google+ Kommentarentferner
// @namespace http://xmine128.tk/gm/youtube-anti-google-comments/
// @description Prevent "via Google+" comments to show up on YouTube
// @description:de Verhindern, dass "Über Google+"-Kommentare auf YouTube erscheinen
// @include https://*.youtube.com/watch?*
// @version 1.1.2
// @license GPL-3+
// @grant unsafeWindow
// @icon http://xmine128.tk/gm/youtube-anti-google-comments/icon.png
// ==/UserScript==
/**
* Inject the code of the given callback function as unprivileged code into the current page
*
* Note: The function will not have access to anything defined in the scope of the user script.
*
* @param {Function} callback
* The function that should be inject into and call in the scope of the current page
*/
function inject_callback_code(callback)
{
var code = "";
var name;
if(callback.name) {
name = callback.name;
code += callback.toString() + ";";
} else {
name = "_inject_func_01";
code += "var " + name + " = " + callback.toString() + ";";
}
code += "void(" + name + "()" + ");";
code += "void(" + "delete " + name + ");";
window.location.href = "javascript:" + code;
}
/**
* Converts an arbitrary collection (must have indexes and a `length` attribute into a JavaScript array)
*
* This function is inspired by ProtoType.js' `$A` function, which does the same thing.
*
* @param {Collection} collection
* @return {Array}
*/
function $A(collection)
{
return Array.prototype.slice.call(collection, 0);
}
function fuck_yt_gplus()
{
// Iterate over all comments
$A(document.querySelectorAll("#yt-comments-list > .comment-entry")).forEach(function(comment)
{
// Find comment header
var comment_header = comment.querySelector(".comment-header > .comment-source");
if(comment_header) {
// Search for text node containing the string "Google+"
// Note: The "Google+" part of the string is always the same in any localization of the page, while the "via"
// part is always translated to the user/browser locale
// (and can therefor not reliably be used for searching)
var comment_via_gplus = false;
$A(comment_header.childNodes).forEach(function(node)
{
if(node.nodeType === Node.TEXT_NODE && node.textContent.indexOf("Google+") > -1) {
comment_via_gplus = true;
}
});
// Delete comment
if(comment_via_gplus) {
comment.parentNode.removeChild(comment);
}
}
});
};
// Trigger on DOMContentLoaded (GreaseMonkey default script start)
fuck_yt_gplus();
/****************************************
* Retrigger after loading new comments *
****************************************/
// Provide main function to content scripts :-P
exportFunction(fuck_yt_gplus, unsafeWindow, { defineAs: "fuck_yt_gplus" });
// Override XMLHttpRequest object
inject_callback_code(function()
{
var _XMLHttpRequest = window.XMLHttpRequest;
window.XMLHttpRequest = function(params)
{
var request = new _XMLHttpRequest(params);
request.addEventListener("load", function(event)
{
window.setTimeout(function()
{
fuck_yt_gplus();
}, 0);
});
return request;
};
});