var Class = require('../../utils/Class'); 
var TouchManager = new Class({ 
initialize: function TouchManager(inputManager){ 
this.manager = inputManager; 
this.capture = true ; 
this.enabled = false ; 
this.target; 
inputManager.events.once('boot', this.boot, this); 
} 
,
boot: function (){ 
var config = this.manager.config; 
this.enabled = config.inputTouch; 
_AN_Write_target('target', this, false , config.inputTouchEventTarget); 
this.capture = config.inputTouchCapture; 
if (!(_AN_Read_target('target', this))) { 
_AN_Write_target('target', this, false , this.manager.game.canvas); 
} 
if (this.enabled) { 
this.startListeners(); 
} 
} 
,
onTouchStart: function (event){ 
if (event.defaultPrevented || !this.enabled) { 
return ; 
} 
this.manager.queueTouchStart(event); 
if (this.capture) { 
event.preventDefault(); 
} 
} 
,
onTouchMove: function (event){ 
if (event.defaultPrevented || !this.enabled) { 
return ; 
} 
this.manager.queueTouchMove(event); 
if (this.capture) { 
event.preventDefault(); 
} 
} 
,
onTouchEnd: function (event){ 
if (event.defaultPrevented || !this.enabled) { 
return ; 
} 
this.manager.queueTouchEnd(event); 
if (this.capture) { 
event.preventDefault(); 
} 
} 
,
startListeners: function (){ 
var target = _AN_Read_target('target', this); 
var passive = { 
passive: true }
; 
var nonPassive = { 
passive: false }
; 
if (this.capture) { 
target.addEventListener('touchstart', this.onTouchStart.bind(this), nonPassive); 
target.addEventListener('touchmove', this.onTouchMove.bind(this), nonPassive); 
target.addEventListener('touchend', this.onTouchEnd.bind(this), nonPassive); 
} 
 else { 
target.addEventListener('touchstart', this.onTouchStart.bind(this), passive); 
target.addEventListener('touchmove', this.onTouchMove.bind(this), passive); 
target.addEventListener('touchend', this.onTouchEnd.bind(this), passive); 
} 
} 
,
stopListeners: function (){ 
var target = _AN_Read_target('target', this); 
target.removeEventListener('touchstart', this.onTouchStart); 
target.removeEventListener('touchmove', this.onTouchMove); 
target.removeEventListener('touchend', this.onTouchEnd); 
} 
,
destroy: function (){ 
this.stopListeners(); 
_AN_Write_target('target', this, false , null ); 
this.manager = null ; 
} 
}
); 
module.exports = TouchManager;