zoff/static/js/youtube.js

var Youtube = {

    setup_youtube_listener: function(channel)
    {
    	socket.on("np", function(obj)
    	{
    		if(obj[0].length == 0){

    			document.getElementById('song-title').innerHTML = "Empty channel. Add some songs!";
    			$("#player_overlay").height($("#player").height());

    			if(!/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream) $("#player_overlay").toggleClass("hide");
                try{
                    ytplayer.stopVideo();
                }catch(e){}
    			//List.importOldList(channel.toLowerCase());
    		}
    		else{
    			//console.log("gotten new song");
                if(previous_video_id == undefined) 
                    previous_video_id = obj[0][0]["id"];
                else if(previous_video_id != video_id)
                    previous_video_id = video_id;

                video_id   = obj[0][0]["id"];
                conf       = obj[1][0];
                time       = obj[2];
                seekTo     = time - conf["startTime"];
                song_title = obj[0][0]["title"];

    			$("#player_overlay").addClass("hide");

                Suggestions.fetchYoutubeSuggests(video_id);
          		Youtube.getTitle(song_title, viewers);
    			Youtube.setBGimage(video_id);
    			//if(player_ready && !window.mobilecheck())
                if(player_ready && !/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream)
    			{
    				if(ytplayer.getVideoUrl().split('v=')[1] != video_id)
    				{
    					ytplayer.loadVideoById(video_id);
    					Youtube.notifyUser(video_id, song_title);
    					ytplayer.seekTo(seekTo);
    					if(paused)
    						ytplayer.pauseVideo();
    				}
    				if(!paused)
    					ytplayer.playVideo();
    				if(ytplayer.getDuration() > seekTo || ytplayer.getDuration() == 0)
    					ytplayer.seekTo(seekTo);
    			}
    			else
            		Youtube.getTitle(song_title, viewers);
    		}
    	});

    	socket.on("viewers", function(view)
    	{
    		viewers = view;

    		if(song_title !== undefined)
    			Youtube.getTitle(song_title, viewers);
    	});
    },

    onPlayerStateChange: function(newState) {
    	switch(newState.data)
    	{
    		case -1:
    			break;
    		case 0:
                playing = false;
                paused  = false;

    			socket.emit("end", video_id);
    			break;
    		case 1:
    			playing = true;
                if(beginning && window.mobilecheck()){
                    ytplayer.pauseVideo();
                    beginning = false;
                }
    			if(document.getElementById("play").className.split(" ").length == 1)
    				$("#play").toggleClass("hide");
    			if(document.getElementById("pause").className.split(" ").length == 2)
    				$("#pause").toggleClass("hide");
    			if(paused)
    			{
    				socket.emit('pos');
    				paused = false;
    			}
    			break;
    		case 2:
    			paused = true;

    			if(document.getElementById("pause").className.split(" ").length == 1)
    				$("#pause").toggleClass("hide");
    			if(document.getElementById("play").className.split(" ").length == 2)
    				$("#play").toggleClass("hide");
    			break;
    		case 3:
    			break;
    	}
    },

    getTitle: function(titt, v)
    {
    	var outPutWord    = v > 1 ? "viewers" : "viewer";
    	var title         = decodeURIComponent(titt);
    	var elem          = document.getElementById('song-title');
        var viewers       = document.getElementById('viewers');

    	document.title    = title + " • Zöff / "+chan;
		elem.innerHTML    = title;
		viewers.innerHTML = v + " " + outPutWord;
		elem.title        = title + " • " + v + " " + outPutWord;

    },

    errorHandler: function(newState)
    {
    	if(newState.data == 5 || newState.data == 100 
            || newState.data == 101 || newState.data == 150)
    		socket.emit("skip", newState.data);
    	else if(video_id !== undefined)
    		ytplayer.loadVideoById(video_id);
    },

    onPlayerReady: function(event) {
        beginning = true;
      	player_ready = true;
		if(!/iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream)
		{
			$("#player").css("opacity", "1");
			$("#controls").css("opacity", "1");
			$(".playlist").css("opacity", "1");
			ytplayer.loadVideoById(video_id);
			ytplayer.playVideo();
			ytplayer.seekTo(seekTo);
		}
		Youtube.readyLooks();
		Playercontrols.initYoutubeControls(ytplayer);
		Playercontrols.initSlider();
		ytplayer.setVolume(Crypt.get_volume());
    },

    readyLooks: function()
    {
    	Youtube.setBGimage(video_id);
    },

    setBGimage: function(id){
    	if(id !== undefined)
    	{
    		var img    = new Image();
    		img.onload = function ()
            {

    		    var colorThief = new ColorThief();
                var color      = colorThief.getColor(img);

    		    document.getElementsByTagName("body")[0].style.backgroundColor = Helper.rgbToHsl(color);
                $("meta[name=theme-color]").attr("content", Helper.rgbToHex(color[0], color[1], color[2]));
    		};

    		img.crossOrigin = 'Anonymous';
    		img.src         = 'https://zoff.no:8080/https://img.youtube.com/vi/'+id+'/mqdefault.jpg';
    	}
    },

    set_width: function(val){
        $(".video-container").width(val);
    },

    notifyUser: function(id, title) {
    	title = title.replace(/\\\'/g, "'").replace(/"/g,"'").replace(/&/g,"&");
      	if (Notification.permission === "granted" && document.hidden) {
    	    var notification = new Notification("Now Playing", {body: title, icon: "http://i.ytimg.com/vi/"+id+"/mqdefault.jpg", iconUrl: "http://i.ytimg.com/vi/"+id+"/mqdefault.jpg"});
    	    notification.onclick = function(x) { window.focus(); this.cancel(); };
    			setTimeout(function(){
    	    	notification.close();
    	    },5000);
      	}
    },

    setup_all_listeners: function()
    {
    	socket.on("get_list", function(){
    			socket.emit('list', chan.toLowerCase());
    	});
    	Youtube.setup_youtube_listener(chan);
    	Admin.admin_listener();
    	Chat.setup_chat_listener(chan);
    	Chat.allchat_listener();
    	List.channel_listener();
    	List.skipping_listener();
    },

    onYouTubeIframeAPIReady: function() {
      ytplayer = new YT.Player('player', {
        videoId: "asd",
        playerVars: { rel:"0", wmode:"transparent", controls: "0" , iv_load_policy: "3", theme:"light", color:"white"},
        events: {
          'onReady': Youtube.onPlayerReady,
          'onStateChange': Youtube.onPlayerStateChange,
          'onError': Youtube.errorHandler
        }
      });
    },

    loadPlayer: function() {
      tag            = document.createElement('script');
      tag.src        = "https://www.youtube.com/iframe_api";
      firstScriptTag = document.getElementsByTagName('script')[0];
      firstScriptTag.parentNode.insertBefore(tag, firstScriptTag);
    }

}