Phaser.MSPointer = function (game){ 
this.game = game; 
this.callbackContext = this.game; 
this.disabled = false ; 
this._onMSPointerDown = null ; 
this._onMSPointerMove = null ; 
this._onMSPointerUp = null ; 
} 
; 
Phaser.MSPointer.prototype = { 
start: function (){ 
if (this._onMSPointerDown !== null ) { 
return ; 
} 
var _this = this; 
if (this.game.device.mspointer) { 
this._onMSPointerDown = function (event){ 
return _this.onPointerDown(event); 
} 
; 
this._onMSPointerMove = function (event){ 
return _this.onPointerMove(event); 
} 
; 
this._onMSPointerUp = function (event){ 
return _this.onPointerUp(event); 
} 
; 
this.game.canvas.addEventListener('MSPointerDown', this._onMSPointerDown, false ); 
this.game.canvas.addEventListener('MSPointerMove', this._onMSPointerMove, false ); 
this.game.canvas.addEventListener('MSPointerUp', this._onMSPointerUp, false ); 
this.game.canvas.addEventListener('pointerDown', this._onMSPointerDown, false ); 
this.game.canvas.addEventListener('pointerMove', this._onMSPointerMove, false ); 
this.game.canvas.addEventListener('pointerUp', this._onMSPointerUp, false ); 
this.game.canvas.style["-ms-content-zooming"]  = 'none'; 
this.game.canvas.style["-ms-touch-action"]  = 'none'; 
} 
} 
,
onPointerDown: function (event){ 
if (this.game.input.disabled || this.disabled) { 
return ; 
} 
event.preventDefault(); 
event.identifier = event.pointerId; 
this.game.input.startPointer(event); 
} 
,
onPointerMove: function (event){ 
if (this.game.input.disabled || this.disabled) { 
return ; 
} 
event.preventDefault(); 
event.identifier = event.pointerId; 
this.game.input.updatePointer(event); 
} 
,
onPointerUp: function (event){ 
if (this.game.input.disabled || this.disabled) { 
return ; 
} 
event.preventDefault(); 
event.identifier = event.pointerId; 
this.game.input.stopPointer(event); 
} 
,
stop: function (){ 
this.game.canvas.removeEventListener('MSPointerDown', this._onMSPointerDown); 
this.game.canvas.removeEventListener('MSPointerMove', this._onMSPointerMove); 
this.game.canvas.removeEventListener('MSPointerUp', this._onMSPointerUp); 
this.game.canvas.removeEventListener('pointerDown', this._onMSPointerDown); 
this.game.canvas.removeEventListener('pointerMove', this._onMSPointerMove); 
this.game.canvas.removeEventListener('pointerUp', this._onMSPointerUp); 
} 
}
; 
Phaser.MSPointer.prototype.constructor = Phaser.MSPointer;