binding.js

var Ti = {
  _event_listeners: [],
	createEventListener: function(eventName,listener) {
		var newListener = {eventName : eventName, listener: listener, systemId: -1, index: this._event_listeners.length };
		this._event_listeners.push(newListener);
		return newListener;
	},

	getEventListenerByKey: function(key, arg) {
		for (var i = 0;i < this._event_listeners.length; i++) {
			if (this._event_listeners[i][key] == arg) {
				return this._event_listeners[i];
			}
		}
		return null;
	},
	getEventListenerByName: function(name) {
		for (var i = 0;i < this._event_listeners.length; i++) {
			if (this._event_listeners[i]['eventName'] == name) {
				return this._event_listeners[i];
			}
		}
		return null;
	},
	App: {
		addEventListener: function(eventName, listener)
		{
			var newListener = Ti.createEventListener(eventName,listener);
			return newListener.systemId;
		},

		removeEventListener: function(eventName, listener)
		{
			if (typeof listener == 'number') {
				
				var l = Ti.getEventListenerByKey('systemId', listener);
				if (l !== null) {
					Ti._event_listeners.splice(l.index, 1);
				}
			} else {
				l = Ti.getEventListenerByKey('listener', listener);
				if (l !== null) {
					Ti._event_listeners.splice(l.index, 1);
				}
			}
		},

		fireEvent: function(eventName, data)
		{
			var obj =  {
				id : eventName,
				data: JSON.stringify(data)
			}
			navigator.cascades.postMessage(JSON.stringify(obj));
		}
	},

	executeListener: function(id, data)
	{
		var listener = this.getEventListenerByName(id);
		if (listener !== null) {
			listener.listener.call(listener.listener, data);
		}
	}
};
navigator.cascades.onmessage = function onmessage(message){
	message = JSON.parse(message)
	Ti.executeListener(message.id,message.data);
}
var Titanium = Ti;