// ==UserScript==
// @name            Restore Youtube Embed Defaults
// @description     Removes special options from Youtube embeds, resetting everything to defaults. Useful for restoring disabled buttons like fullscreen and watch on Youtube.
// @include         *
// @exclude	        *.youtube.com/*
// @version         0.0.3
// @namespace       https://greasyfork.org/users/910
// ==/UserScript==
var i, j, k, index;
var video_id, video_url, video_link;
var risky_elements, risky_attributes, risky_node;
var risky_tags = ["object", "embed", "iframe"];
var bad_elements = [];
var bad_ids = [];
for (i = 0; i < risky_tags.length; i++) {
risky_elements = document.getElementsByTagName(risky_tags[i]);
for (j = 0; j < risky_elements.length; j++) {
index = 0;
risky_attributes = risky_elements[j].attributes;
for (k = 0; k < risky_attributes.length; k++) {
risky_node = risky_attributes[k].nodeValue;
if ((risky_node.indexOf("youtube.com") >= 0) || (risky_node.indexOf("ytimg.com") >= 0) || (risky_node.indexOf("youtube-nocookie.com") >= 0)) {
risky_elements[j].style.display = "none";
if (risky_node.indexOf("/v/") >= 0) {
index = risky_node.indexOf("/v/") + 3;
} else if (risky_node.indexOf("?v=") >= 0) {
index = risky_node.indexOf("?v=") + 3;
} else if (risky_node.indexOf("/embed/") >= 0) {
index = risky_node.indexOf("/embed/") + 7;
}
if (index > 0) {
video_id = risky_node.substring(index, index + 11);
bad_elements.push(risky_elements[j]);
bad_ids.push(video_id);
}
break;
}
}
}
}
for (i = 0; i < bad_ids.length; i++) {
video_id = bad_ids[i];
video_url = "//www.youtube.com/embed/" + video_id;
video_link = document.createElement("iframe");
video_link.setAttribute("src", video_url);
// Set the width, if present
width = bad_elements[i].getAttribute("width");
if ( width !== null ) {
video_link.setAttribute("width", width);
}
// Set the height, if present
height = bad_elements[i].getAttribute("height");
if ( height !== null ) {
video_link.setAttribute("height", height);
}
video_link.setAttribute("frameborder", "0");
video_link.setAttribute("allowfullscreen", "1");
bad_elements[i].parentNode.replaceChild(video_link, bad_elements[i]);
}