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Youtube Annotation Destroyer

If you want those damn annotations to go away at the start of every video, this is the right script for you!

Verze ze dne 07. 02. 2015. Zobrazit nejnovější verzi.

// ==UserScript==
// @name         Youtube Annotation Destroyer
// @namespace    http://userscripts.org/users/zackton
// @description  If you want those damn annotations to go away at the start of every video, this is the right script for you!
// @grant        GM_log
// @include	 http://www.youtube.com/watch*
// @include	 https://www.youtube.com/watch*
// @include	 http://www.youtube.com/user/*
// @include	 https://www.youtube.com/user/*
// @version      1.3
// ==/UserScript==

function main() {
	var hideAnnotations = true,
	skipAds = true;
	
	var debug = false;

	// ensure proper Youtube URL on normal watch pages
	if ( location.href.search( "watch#!" ) != -1 ) {
		var url = location.href.split( "watch#!" );
		url = url[0] + "watch?" + url[1];
		window.open( url, "_self" );
	}
	
	if ( debug ) GM_log( "page type: " + pageType );

    var playerDetails = fetchPlayer();
    var flashvars = playerDetails[2];

	function setFlashvar( field, newVal ) 
	{
		var delimited = "&" + field;
		if ( flashvars.indexOf( delimited ) == -1 ) {
			// field not found, so append it
			flashvars += delimited + "=" + newVal;
		}
		else {
			// modify existing field
			var tmp = flashvars.split( delimited );
			var tmp2 = tmp[1].indexOf( "&" );
			if ( tmp2 != -1 ) {
				flashvars = tmp[0] + delimited + "=" + newVal + tmp[1].substr( tmp2 );
			}
			else {
				flashvars = tmp[0] + delimited + "=" + newVal;
			}
		}
	}
	
	//indexOf is faster than Regex in one off use
	var start = flashvars.search("fmt_list=");
	var end = flashvars.indexOf("&", start);
	var len = ((end != -1)?end:flashVars.length) - start;
	var fmt_list = flashvars.substr(start, len);
	
	if ( debug ) GM_log( " fmt_list: " + fmt_list );
	setFlashvar( "enablejsapi", "1" );
	
	if ( skipAds ) {
		var patt = /&(ad_|infringe|watermark)[^=]*=[^&]*/g;
		flashvars = flashvars.replace(patt,"");
		setFlashvar("invideo","false");
	}

	if ( hideAnnotations ) {
		setFlashvar( "iv_load_policy", "3" );
	}
	else {
		setFlashvar( "iv_load_policy", "1" );
	}

	if ( debug ) GM_log( "flashvars final: " + flashvars );
    myPlayer = playerDetails[0];
	myPlayer.setAttribute( "flashvars", flashvars );
	player = playerDetails[1];
	player.parentNode.replaceChild( myPlayer, player );
	
}

function fetchPlayer() {
	if ($("movie_player")) var player = $("movie_player");
	else if ($("movie_player-flash")) var player = $("movie_player-flash");
	else if ($c("html5-main-video")) var player = $c("html5-main-video");
	
	var	myPlayer = player.cloneNode( true ),
		flashvars = myPlayer.getAttribute( "flashvars" );
		
	if ( debug ) GM_log( "flashvars unmodified: " + flashvars );
	
	return [myPlayer, player, flashvars];
}

// simplify get ID
function $(ID) {
	if (document.getElementById(ID)) return document.getElementById(ID);
}

//simplify getClass
function $c(className) {
	if (document.getElementsByClassName(className)) return document.getElementsByClassName(className);
}

//make sure page is ready before firing script
function readyCheck() {
	if($("movie_player") && $("footer-container") || $("ft")) {
		window.clearInterval(wait);
		main();
		//checkChanged();
	}
	i++;
	if(i == 40) window.clearInterval(wait);
	
}
var wait=window.setInterval(readyCheck, 250, main), i=0;