var Class = require('../utils/Class'); 
var EventDispatcher = require('../events/EventDispatcher'); 
var TweenBuilder = require('./TweenBuilder'); 
var TweenManager = new Class({ 
initialize: function TweenManager(state){ 
this.state = state; 
this.events = new EventDispatcher(); 
this._add = [] ; 
this._pending = [] ; 
this._active = [] ; 
this._destroy = [] ; 
this._toProcess = 0; 
} 
,
boot: function (){ 
} 
,
add: function (config){ 
var tween = TweenBuilder(this, config); 
this._add.push(tween); 
this._toProcess++ ; 
return tween; 
} 
,
timeline: function (){ 
} 
,
exists: function (tween){ 
} 
,
get: function (target){ 
} 
,
begin: function (){ 
if (this._toProcess === 0) { 
return ; 
} 
var list = this._destroy; 
var active = this._active; 
var i; 
var tween; 
for (i = 0; i < (_AN_Read_length('length', list)); i++ ){ 
tween = list[i]; 
var idx = active.indexOf(tween); 
if (idx !== -1) { 
active.splice(idx, 1); 
} 
} 
list.length = 0; 
list = this._add; 
for (i = 0; i < (_AN_Read_length('length', list)); i++ ){ 
tween = list[i]; 
if ((_AN_Call_init('init', tween))) { 
tween.play(); 
this._active.push(tween); 
} 
 else { 
this._pending.push(tween); 
} 
} 
list.length = 0; 
this._toProcess = 0; 
} 
,
update: function (timestamp, delta){ 
var list = this._active; 
var tween; 
for (var i = 0; 
i < (_AN_Read_length('length', list)); i++ ){ 
tween = list[i]; 
if (tween.update(timestamp, delta)) { 
this._destroy.push(tween); 
this._toProcess++ ; 
} 
} 
} 
,
makeActive: function (tween){ 
var idx = this._pending.indexOf(tween); 
if (idx !== -1) { 
this._pending.splice(idx, 1); 
} 
this._add.push(tween); 
this._toProcess++ ; 
} 
,
globalTimeScale: function (){ 
} 
,
getAllTweens: function (){ 
} 
,
getTweensOf: function (target){ 
} 
,
isTweening: function (target){ 
} 
,
kill: function (vars, target){ 
} 
,
killAll: function (){ 
} 
,
killTweensOf: function (target){ 
} 
,
pauseAll: function (){ 
} 
,
resumeAll: function (){ 
} 
,
delayedCall: function (){ 
} 
,
each: function (callback, thisArg){ 
var args = [null ] ; 
for (var i = 1; 
i < (_AN_Read_length('length', arguments)); i++ ){ 
args.push(arguments[i]); 
} 
for (var texture in this.list){ 
args[0] = this.list[texture]; 
callback.apply(thisArg, args); 
} 
} 
,
shutdown: function (){ 
} 
,
destroy: function (){ 
} 
}
); 
module.exports = TweenManager;