Event emitter example

gistfile1.js

var win = Ti.UI.createWindow({backgroundColor: '#fff'})
  , Emitter = require('emitter') //https://github.com/component/emitter
  , event = new Emitter()
  , limit = 10000
  , i
  , startTime
  ;

var buttonTi = Ti.UI.createButton({title: 'start-Ti', left: 10, enabled: true})
  , buttonJs = Ti.UI.createButton({title: 'start-js', right: 10, enabled: true})
  ;

function toggle_buttons() {
  buttonTi.enabled = !buttonTi.enabled;
  buttonJs.enabled = !buttonJs.enabled;
}

win.add(buttonTi);
win.add(buttonJs);
win.open();

var start = function(){
  toggle_buttons();
  i = 0;
  startTime = new Date(); 
};

var stop = function() {
  var now = new Date();
  console.log(now - startTime, 'ms');
  toggle_buttons();
};


var eventData = {data: "to pass", to: "listener" };

buttonTi.addEventListener('click', function() {
  console.log('->Starting Ti');
  start();
  Ti.App.fireEvent('app:custom', eventData);  
});

buttonJs.addEventListener('click', function() {
  console.log('->Starting JS');
  start();
  event.emit('app:custom', eventData );
});


Ti.App.addEventListener('app:custom', function(e) {
  i++;
  if(i < limit) {
    Ti.App.fireEvent('app:custom', eventData);
    return;
  }
  console.log('->Stopping Ti');
  stop();
});

event.on('app:custom', function(e) {
  i++;
  if(i < limit) {
    event.emit('app:custom', eventData);
    return;
  }
  console.log('->Stopping Js');
  stop();  
});