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Restore Youtube Embed Defaults

Removes special options from Youtube embeds, resetting everything to defaults. Useful for restoring disabled buttons like fullscreen and watch on Youtube.

Fra 27.08.2014. Se den seneste versjonen.

// ==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.
// @exclude	   *.youtube.com/*
// @version 0.0.1.20140511.1
// @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]);
}