[Grooveshark] BaseController

gistfile1.js

jQuery.Controller.extend("GS.Controllers.BaseController", {
	setup: function() {
		this._super.apply(this, arguments);
		this.preSetup && this.preSetup()
	},
	init: function() {
		this._super();
		if ( this.onWindow && !this.isGSSingleton ) new this($(window));
		else this.onElement && !this.isGSSingleton && new this($(this.onElement))
	},
	instance: function() {
		if ( this.isGSSingleton ) return new this(this.onElement && $(this.onElement) || this.onWindow && window || document.documentElement);
		if ( this.onDocument ) return $(document.documentElement).controller(this._shortName);
		if ( this.onWindow ) return $(window).controller(this._shortName);
		if ( this.onElement ) return $(this.onElement).controller(this._shortName);
		if ( this.hasActiveElement ) return $(this.hasActiveElement).controller(this._shortName);
		throw "BaseController. controller, " + this._shortName + ", is improperly embedded on page";
	},
	singletonCallback: function( a, b ) {
		a = "get" + _.ucwords(a);
		var c = arguments;
		return function() {
			var g = GS[a](),
				h = jQuery.makeArray(c).slice(2);
			h.push.apply(h, arguments);
			if ( g.onUpdateSubcription && !g.loaded ) {
				var k =
				$.subscribe(g.onUpdateSubcription, g.callback(function() {
					g.loaded = true;
					g[b].apply(g, h);
					$.unsubscribe(k)
				}));
				return null
			}
			return g[b].apply(g, h)
		}
	},
	viewBundles: {},
	bundleVersions: {}
}, {
	init: function() {
		this.subscribe("gs.app.ready", this.callback(this.appReady))
	},
	appReady: function() {},
	destroy: function() {
		if ( $.isArray(this.subscriptions) ) for (; this.subscriptions.length; ) $.unsubscribe(this.subscriptions.pop());
		this._super()
	},
	subscribe: function( a, b, c ) {
		c = _.orEqual(c, true);
		if (!_.defined(this.subscriptions) ) this.subscriptions = [];
		if ( c ) {
			a = $.subscribe(a, b);
			this.subscriptions.push(a);
			return a
		} else return $.subscribe(a, b)
	},
	view: function( a, b, c, g ) {
		var h = ["gs", "views"];
		if ( a.match(/^themes/) ) h = [a];
		else if ( a.match(/^\//) ) h.push(a.replace(/^\//, ""));
		else {
			h.push(this.Class._shortName);
			h.push(a)
		}
		h = "/" + h.join("/");
		h += $.View.ext;
		var k = h.replace(/[\/\.]/g, "_").replace(/_+/g, "_").replace(/^_/, ""),
			m = GS.Controllers.BaseController.viewBundles[k],
			p = GS.Controllers.BaseController.bundleVersions[m] || "",
			n = "",
			o = true;
		b = _.orEqual(b, this);
		c = this.calculateHelpers.call(this, c);
		if ( $.View.preCached[k] || !m ) return $.View(h, b, c);
		g = _.orEqual(g, 0);
		if (!(g >= 3)) {
			if ( g > 0 ) o = false;
			k = {
				contentType: "application/json",
				dataType: "json",
				type: "GET",
				url: "/gs/views/" + m + ".json?" + p,
				async: false,
				cache: o,
				success: this.callback(function( t ) {
					if ( t ) {
						_.forEach(t, function( w, x ) {
							$.View.preCached[x] = w
						});
						n = $.View(h, b, c)
					} else {
						g++;
						setTimeout(this.callback(function() {
							this.view(a, b, c, g)
						}), g * 100)
					}
				}),
				error: this.callback(function() {
					g++;
					setTimeout(this.callback(function() {
						this.view(a, b, c, g)
					}), g * 100)
				})
			};
			if ( window.gsConfig && window.gsConfig.viewsJSONP ) {
				k.url = gsConfig.assetHost + "/gs/views/" + m + ".json?" + p;
				k.dataType = "jsonp";
				k.jsonp = false;
				k.jsonpCallback = window.gsConfig.viewsJSONP + m
			}
			$.ajax(k);
			return n
		}
	}
});