Phaser.DeviceButton = function (parent, buttonCode){ 
this.parent = parent; 
this.game = parent.game; 
this.event = null ; 
this.isDown = false ; 
this.isUp = true ; 
this.timeDown = 0; 
this.timeUp = 0; 
this.repeats = 0; 
this.altKey = false ; 
this.shiftKey = false ; 
this.ctrlKey = false ; 
this.value = 0; 
this.buttonCode = buttonCode; 
this.onDown = new Phaser.Signal(); 
this.onUp = new Phaser.Signal(); 
this.onFloat = new Phaser.Signal(); 
} 
; 
Phaser.DeviceButton.prototype = { 
start: function (event, value){ 
if (this.isDown) { 
return ; 
} 
this.isDown = true ; 
this.isUp = false ; 
this.timeDown = this.game.time.time; 
this.repeats = 0; 
this.event = event; 
this.value = value; 
if (event) { 
this.altKey = event.altKey; 
this.shiftKey = event.shiftKey; 
this.ctrlKey = event.ctrlKey; 
} 
this.onDown.dispatch(this, value); 
} 
,
stop: function (event, value){ 
if (this.isUp) { 
return ; 
} 
this.isDown = false ; 
this.isUp = true ; 
this.timeUp = this.game.time.time; 
this.event = event; 
this.value = value; 
if (event) { 
this.altKey = event.altKey; 
this.shiftKey = event.shiftKey; 
this.ctrlKey = event.ctrlKey; 
} 
this.onUp.dispatch(this, value); 
} 
,
padFloat: function (value){ 
this.value = value; 
this.onFloat.dispatch(this, value); 
} 
,
justPressed: function (duration){ 
duration = duration || 250; 
return (this.isDown && (this.timeDown + duration) > this.game.time.time); 
} 
,
justReleased: function (duration){ 
duration = duration || 250; 
return (this.isUp && (this.timeUp + duration) > this.game.time.time); 
} 
,
reset: function (){ 
this.isDown = false ; 
this.isUp = true ; 
this.timeDown = this.game.time.time; 
this.repeats = 0; 
this.altKey = false ; 
this.shiftKey = false ; 
this.ctrlKey = false ; 
} 
,
destroy: function (){ 
this.onDown.dispose(); 
this.onUp.dispose(); 
this.onFloat.dispose(); 
this.parent = null ; 
this.game = null ; 
} 
}
; 
Phaser.DeviceButton.prototype.constructor = Phaser.DeviceButton; 
Object.defineProperty(Phaser.DeviceButton.prototype, "duration", { 
get: function (){ 
if (this.isUp) { 
return -1; 
} 
return this.game.time.time - this.timeDown; 
} 
}
);