Initial commit: ACE-Step UI - Open source music generation interface

server/audio-editor/app.js

@@ -0,0 +1,107 @@
+(function (w, d) {
+	'use strict';
+
+	var _v = '0.9',
+		_id = -1;
+
+	function PKAE() {
+		var q = this; // keeping track of current context
+
+		q.el = null; // reference of main html element
+		q.id = ++_id; // auto incremental id
+		q._deps = {}; // dependencies
+
+		w.PKAudioList[q.id] = q;
+
+		var events = {};
+
+		q.fireEvent = function (eventName, value, value2) {
+			var group = events[eventName];
+			if (!group) return (false);
+
+			var l = group.length;
+			while (l-- > 0) {
+				group[l] && group[l](value, value2);
+			}
+		};
+
+		q.listenFor = function (eventName, callback) {
+			if (!events[eventName])
+				events[eventName] = [callback];
+			else
+				events[eventName].unshift(callback);
+		};
+
+		q.stopListeningFor = function (eventName, callback) {
+			var group = events[eventName];
+			if (!group) return (false);
+
+			var l = group.length;
+			while (l-- > 0) {
+				if (group[l] && group[l] === callback) {
+					group[l] = null; break;
+				}
+			}
+		};
+
+		q.stopListeningForName = function (eventName) {
+			var group = events[eventName];
+			if (!group) return (false);
+			events[eventName] = null;
+		};
+
+		q.init = function (el_id) {
+			var el = d.getElementById(el_id);
+			if (!el) {
+				console.log('invalid element');
+				return;
+			}
+			q.el = el;
+
+			// init libraries
+			q.ui = new q._deps.ui(q); q._deps.uifx(q);
+			q.engine = new q._deps.engine(q);
+			q.state = new q._deps.state(4, q);
+			q.rec = new q._deps.rec(q);
+			q.fls = new q._deps.fls(q);
+
+			if (w.location.href.split('local=')[1]) {
+				var sess = w.location.href.split('local=')[1];
+
+				q.fls.Init(function () {
+					q.fls.GetSession(sess, function (e) {
+						if (e && e.id === sess) {
+							q.engine.LoadDB(e);
+						}
+					});
+				});
+			}
+
+			// Check for audioUrl parameter to load audio from URL
+			if (w.location.href.split('audioUrl=')[1]) {
+				var audioUrl = decodeURIComponent(w.location.href.split('audioUrl=')[1].split('&')[0]);
+
+				setTimeout(function () {
+					if (audioUrl) {
+						q.engine.LoadURL(audioUrl);
+					}
+				}, 500);
+			}
+
+			return (q);
+		};
+
+		// check if we are mobile and hide tooltips on hover
+		q.isMobile = (/iphone|ipod|ipad|android/).test
+			(navigator.userAgent.toLowerCase());
+	};
+
+	!w.PKAudioList && (w.PKAudioList = []);
+
+	// ideally we do not want a global singleto refferencing our audio tool
+	// but since this is a limited demo we can safely do it.
+	w.PKAudioEditor = new PKAE();
+
+	PKAudioList.push(w.PKAudioEditor); // keeping track in the audiolist array of our instance
+
+})(window, document);