Add Spotify Web Player link to YouTube

Adds a link to Spotify Web Player on music videos on YouTube

Verzia zo dňa 08.04.2016. Pozri najnovšiu verziu.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, Greasemonkey alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey, % alebo Violentmonkey.

Na nainštalovanie skriptu si budete musieť nainštalovať rozšírenie, ako napríklad Tampermonkey alebo Userscripts.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie, ako napríklad Tampermonkey.

Na inštaláciu tohto skriptu je potrebné nainštalovať rozšírenie správcu používateľských skriptov.

(Už mám správcu používateľských skriptov, nechajte ma ho nainštalovať!)

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie, ako napríklad Stylus.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

Na inštaláciu tohto štýlu je potrebné nainštalovať rozšírenie správcu používateľských štýlov.

(Už mám správcu používateľských štýlov, nechajte ma ho nainštalovať!)

// ==UserScript==
// @name          Add Spotify Web Player link to YouTube
// @description   Adds a link to Spotify Web Player on music videos on YouTube
// @include       *://youtube.*/*
// @include       *://*.youtube.*/*
// @version 0.0.1.20160408211727
// @namespace https://greasyfork.org/users/3216
// ==/UserScript==

var userscript = function()
{

// http://stackoverflow.com/questions/2246901/how-can-i-use-jquery-in-greasemonkey-scripts-in-google-chrome
function addJQuery(callback) {
  var script = document.createElement("script");
  script.setAttribute("src", "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js");
  script.addEventListener('load', function() {
    var script = document.createElement("script");
    script.textContent = "window.jQ=jQuery.noConflict(true);(" + callback.toString() + ")();";
    document.body.appendChild(script);
  }, false);
  document.body.appendChild(script);
}

function main()
{

var videoinfo = {url: top.location.href, complete: 0, text: "", timer: null, running: 0};
var DEBUG = 0;
var PLAYVERSION = 1;
var DEBUGLOG;

if(DEBUG) DEBUGLOG = console;
else { var TDEBUGLOG = function() { return {log: function() {}}; }; DEBUGLOG = TDEBUGLOG(); }

function IsMusic()
{
	if(jQ('#eow-title #watch-headline-show-title').length !== 0) return 1;
	//if(jQ('#eow-category').text().trim() == "Music") return 1;
	var extrasismusic = false;
	jQ('.watch-extras-section .watch-meta-item').each(function(index)
	{
		var item = jQ(this);
		var title = item.find('.title').text().trim();
		var content = item.find('.content').text().trim();
		if(title == "Category" && content == "Music") extrasismusic = true;
		if(title == "Music") extrasismusic = true;
	});
	if(extrasismusic === true) return 1;
	
	var metadata = jQ('.metadata-info-title');
	for(var i = 0; i < metadata.length; i++)
	{
		if(metadata[i].innerText.match(/Buy ".*?" on|Artist/) !== null) return 1;
	}

	if(jQ('#eow-title').text().split('-', 2).length == 2) return 1; // Might be dangerous!
	return 0;
}

function GetVideoTitle()
{
	var artistname;
	var trackname;
	var fullname;
    var artist;
	
	var artist = jQ('#eow-title #watch-headline-show-title');
	if(artist.length !== 0 && !artistname)
	{
		artistname = artist.text();
	}
	
	artist = jQ('.metadata-info');
	if(artist.length !== 0 && !artistname)
	{
		for(var i = 0; i < artist.length; i++)
		{
			var tname = artist[i].innerText.match(/(Artist)[ \n\r]*(.*)/);
			if(tname)
			{
				if(tname[2].trim() != "Various Artists")
				{
					artistname = tname[2];
					break;
				}
			}
		}
	}
	
	if(!artistname || !trackname)
	{
		jQ('.watch-extras-section .watch-meta-item').each(function(index)
		{
			var item = jQ(this);
			var title = item.find('.title').text().trim();
			var content = item.find('.content').text().trim();
			if(title == "Music")
			{
				var musicsplit = content.split('by');
				var tname = musicsplit[0].match(/"(.*)"/)[1];
				var tartist = musicsplit[1].replace(/\([a-z• ]*\)$/i, '').trim();
				if(tartist !== "") artistname = tartist;
				if(tname !== "") trackname = tname;
			}
		});
	}
	
	if(!artistname)
	{
		var tname = jQ('#eow-title').text().split('-', 2);
		if(tname.length == 2)
		{
			artistname = tname[0].trim();
		}
	}
	
	var track = jQ('.metadata-info-title').text().match(/Buy "(.*?)" on/);
	if(track !== null && !trackname)
	{
		trackname = track[1];
	}
	
	if(!trackname)
	{
		//trackname = jQ('#eow-title').text().replace(artistname, "").replace(/-/, '').trim();
		var tname = jQ('#eow-title').text().split(/[-]+/, 2);
		if(tname.length == 2)
		{
			trackname = tname[1].trim();
		}
		else
		{
			trackname = trackname = jQ('#eow-title').text().replace(/-/, '').trim();
			if(artistname) trackname = trackname.replace(artistname, "");
		}
	}
	
	if(!artistname && trackname)
	{
		artistname = " ";
	}
	
	if(artistname && trackname)
	{
		trackname = trackname.replace(/\((.*?)\)|\[(.*?)\]| (Re)?mastered| f(ea)?t(uring)?(.)? .*|\"|\'/gi, "").trim();
		artistname = artistname.replace(/f(ea)?t(uring)?(.)? .*/gi, "").trim(); //  & .*
		return {artist: artistname, track: trackname};
	}
	else
	{
		if(!artistname) DEBUGLOG.log("failed to get artistname");
		if(!trackname) DEBUGLOG.log("failed to get trackname");
	}
	return 0;
}

// http://stackoverflow.com/questions/3446170/escape-string-for-use-in-javascript-regex
function escapeRegExp(str) {
  return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
}

// http://stackoverflow.com/a/21081760
function wordInString(s, word){
  return new RegExp( '\\b' + word + '\\b', 'i').test(s);
}

function FindOriginal(title, data)
{
	var scores = [];
	var highest = 0;
	var title_artist = title.artist.replace(/[^a-zA-Z ]/g, "").split(' ').filter(Boolean);
	var extra = [];
	if(!/remix/i.test(title.track))
	{
		extra.push("remix");
	}

	for(var i = 0; i < Math.min(data.tracks.total, 10); i++)
	{
		var points = 0;
		var track = data.tracks.items[i];
		if(!new RegExp(escapeRegExp(title.track) + ' .*(radio|clean|live|remaster(ed)?|edit|karaoke|' + extra.join('|') + ')', 'gi').test(track.name))
		{
			points += 1;
		}
		
		var artists = track.artists;
		for(var x = 0; x < artists.length; x++)
		{
			if(new RegExp('(karaoke)', 'gi').test(track.name)) points -= 2;
			if(title_artist.some(function(str) { return wordInString(this, str); }, artists[x].name)) points += 1;
			if(title.artist == artists[x].name) points += 2; // Favour exact matches
		}
		scores[i] = points;
	}
	for(var i = 0; i < scores.length; i++) if(scores[i] > scores[highest]) highest = i;
	return highest;
}

function CheckAddress()
{
	if(window.location.href.match(/^(https?\:\/\/(www\.)?youtube.com\/watch)/))
	{
		return 1;
	}
	return 0;
}

function AddSpotify()
{
	if(!CheckAddress()) return 1;

	videoinfo.complete = 0;
	if(IsMusic())
	{
		var title = GetVideoTitle();
		DEBUGLOG.log("title", title);
		if(title !== 0)
		{
			jQ.getJSON('//api.spotify.com/v1/search?q=' + encodeURIComponent(title.artist + " " + title.track) + "&type=track&limit=10", function(data)
			{
				DEBUGLOG.log("data", data);
				DEBUGLOG.log("fullname:", title.artist, title.track);
				if(data.tracks.total > 0)
				{
					var artists = [];
					var index = FindOriginal(title, data);
					DEBUGLOG.log("Index", index, "selected");
					var track = data.tracks.items[index];
					jQ.each(track.artists, function(key, val)
					{
						var artisturl = "";
						if(PLAYVERSION === 0) artisturl = val.uri;
						else artisturl = val.external_urls.spotify;
						artists.push('<a href="' + artisturl + '" ' + (PLAYVERSION ? 'target="_blank"' : '') + '>' + val.name + '</a>'); 
					});
					var artistsname = artists.join(", ");
					var trackname = track.name;
					
					var urltrack = "";
					if(PLAYVERSION === 0) urltrack = track.uri;
					else urltrack = track.external_urls.spotify;
					
					var htmloutput =  '<div class="youtubespotify yt-uix-menu" style="font-size: 70%"><a href="' + urltrack + '" ' + (PLAYVERSION ? 'target="_blank"' : '') + '>';
					htmloutput += '<img src="data:image/png;base64,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">';
					htmloutput += ' ' + trackname + '</a> - ' + artistsname + '</div>';
					jQ('.youtubespotify').remove();
					jQ('#watch8-secondary-actions').append(htmloutput);
				}
				else
				{
					jQ('.youtubespotify').remove();
					DEBUGLOG.log("No song found");
				}
			});
		} else
		{
			jQ('.youtubespotify').remove();
			DEBUGLOG.log("failed to get title");
		}
	}
	else
	{
		DEBUGLOG.log("not music!!");
	}
	
	videoinfo.complete = 1;
	videoinfo.url = top.location.href;
	videoinfo.text = jQ('#eow-title').text().trim();
}

AddSpotify();

function timerfunction()
{
	videoinfo.running = 1;
	if(videoinfo.complete && videoinfo.url != top.location.href)
	{
		if(videoinfo.text != jQ('#eow-title').text().trim())
		{
			AddSpotify();
		}
	}
}

window.addEventListener('focus', function()
{
	clearInterval(videoinfo.timer);
	if(!videoinfo.running) videoinfo.timer = setInterval(timerfunction, CheckAddress() ? 1000 : 2000);
});

window.addEventListener('blur', function()
{
	clearInterval(videoinfo.timer);
	videoinfo.running = 0;
});

}

addJQuery(main);

};

// http://stackoverflow.com/questions/7971930/how-to-call-youtube-flash-api-of-existing-videos-using-greasemonkey
function addJS_Node (text, s_URL, funcToRun, runOnLoad) {
    var D                                   = document;
    var scriptNode                          = D.createElement ('script');
    if (runOnLoad) {
        scriptNode.addEventListener ("load", runOnLoad, false);
    }
    scriptNode.type                         = "text/javascript";
    if (text)       scriptNode.textContent  = text;
    if (s_URL)      scriptNode.src          = s_URL;
    if (funcToRun)  scriptNode.textContent  = '(' + funcToRun.toString() + ')()';

    var targ = D.getElementsByTagName ('head')[0] || D.body || D.documentElement;
    targ.appendChild (scriptNode);
}

addJS_Node(null, null, userscript);