Phaser.Keyboard = function (game){ 
this.game = game; 
this.disabled = false ; 
this.event = null ; 
this.pressEvent = null ; 
this.callbackContext = this; 
this.onDownCallback = null ; 
this.onPressCallback = null ; 
this.onUpCallback = null ; 
this._keys = [] ; 
this._capture = [] ; 
this._onKeyDown = null ; 
this._onKeyPress = null ; 
this._onKeyUp = null ; 
this._i = 0; 
this._k = 0; 
} 
; 
Phaser.Keyboard.prototype = { 
addCallbacks: function (context, onDown, onUp, onPress){ 
this.callbackContext = context; 
if (typeof onDown !== 'undefined') { 
this.onDownCallback = onDown; 
} 
if (typeof onUp !== 'undefined') { 
this.onUpCallback = onUp; 
} 
if (typeof onPress !== 'undefined') { 
this.onPressCallback = onPress; 
} 
} 
,
addKey: function (keycode){ 
if (!this._keys[keycode]) { 
this._keys[keycode] = new Phaser.Key(this.game, keycode); 
this.addKeyCapture(keycode); 
} 
return this._keys[keycode]; 
} 
,
removeKey: function (keycode){ 
if (this._keys[keycode]) { 
this._keys[keycode] = null ; 
this.removeKeyCapture(keycode); 
} 
} 
,
createCursorKeys: function (){ 
return { 
up: this.addKey(Phaser.Keyboard.UP),
down: this.addKey(Phaser.Keyboard.DOWN),
left: this.addKey(Phaser.Keyboard.LEFT),
right: this.addKey(Phaser.Keyboard.RIGHT)}
; 
} 
,
start: function (){ 
if (this.game.device.cocoonJS) { 
return ; 
} 
if (this._onKeyDown !== null ) { 
return ; 
} 
var _this = this; 
this._onKeyDown = function (event){ 
return _this.processKeyDown(event); 
} 
; 
this._onKeyUp = function (event){ 
return _this.processKeyUp(event); 
} 
; 
this._onKeyPress = function (event){ 
return _this.processKeyPress(event); 
} 
; 
window.addEventListener('keydown', this._onKeyDown, false ); 
window.addEventListener('keyup', this._onKeyUp, false ); 
window.addEventListener('keypress', this._onKeyPress, false ); 
} 
,
stop: function (){ 
window.removeEventListener('keydown', this._onKeyDown); 
window.removeEventListener('keyup', this._onKeyUp); 
window.removeEventListener('keypress', this._onKeyPress); 
this._onKeyDown = null ; 
this._onKeyUp = null ; 
this._onKeyPress = null ; 
} 
,
destroy: function (){ 
this.stop(); 
this.clearCaptures(); 
this._keys.length = 0; 
this._i = 0; 
} 
,
addKeyCapture: function (keycode){ 
if (typeof keycode === 'object') { 
for (var key in keycode){ 
this._capture[keycode[key]] = true ; 
} 
} 
 else { 
this._capture[keycode] = true ; 
} 
} 
,
removeKeyCapture: function (keycode){ 
delete this._capture[keycode]; 
} 
,
clearCaptures: function (){ 
this._capture = { 
}
; 
} 
,
update: function (){ 
this._i = _AN_Read_length('length', this._keys); 
while (this._i-- ){ 
if (this._keys[this._i]) { 
this._keys[this._i].update(); 
} 
} 
} 
,
processKeyDown: function (event){ 
this.event = event; 
if (this.game.input.disabled || this.disabled) { 
return ; 
} 
if (this._capture[event.keyCode]) { 
event.preventDefault(); 
} 
if (!this._keys[event.keyCode]) { 
this._keys[event.keyCode] = new Phaser.Key(this.game, event.keyCode); 
} 
this._keys[event.keyCode].processKeyDown(event); 
this._k = event.keyCode; 
if (this.onDownCallback) { 
this.onDownCallback.call(this.callbackContext, event); 
} 
} 
,
processKeyPress: function (event){ 
this.pressEvent = event; 
if (this.game.input.disabled || this.disabled) { 
return ; 
} 
if (this.onPressCallback) { 
this.onPressCallback.call(this.callbackContext, String.fromCharCode(event.charCode), event); 
} 
} 
,
processKeyUp: function (event){ 
this.event = event; 
if (this.game.input.disabled || this.disabled) { 
return ; 
} 
if (this._capture[event.keyCode]) { 
event.preventDefault(); 
} 
if (!this._keys[event.keyCode]) { 
this._keys[event.keyCode] = new Phaser.Key(this.game, event.keyCode); 
} 
this._keys[event.keyCode].processKeyUp(event); 
if (this.onUpCallback) { 
this.onUpCallback.call(this.callbackContext, event); 
} 
} 
,
reset: function (hard){ 
if (typeof hard === 'undefined') { 
hard = true ; 
} 
this.event = null ; 
var i = _AN_Read_length('length', this._keys); 
while (i-- ){ 
if (this._keys[i]) { 
this._keys[i].reset(hard); 
} 
} 
} 
,
justPressed: function (keycode, duration){ 
if (typeof duration === 'undefined') { 
duration = 50; 
} 
if (this._keys[keycode]) { 
return this._keys[keycode].justPressed(duration); 
} 
 else { 
return false ; 
} 
} 
,
justReleased: function (keycode, duration){ 
if (typeof duration === 'undefined') { 
duration = 50; 
} 
if (this._keys[keycode]) { 
return this._keys[keycode].justReleased(duration); 
} 
 else { 
return false ; 
} 
} 
,
isDown: function (keycode){ 
if (this._keys[keycode]) { 
return this._keys[keycode].isDown; 
} 
return false ; 
} 
}
; 
Object.defineProperty(Phaser.Keyboard.prototype, "lastChar", { 
get: function (){ 
if (this.event.charCode === 32) { 
return ''; 
} 
 else { 
return String.fromCharCode(this.pressEvent.charCode); 
} 
} 
}
); 
Object.defineProperty(Phaser.Keyboard.prototype, "lastKey", { 
get: function (){ 
return this._keys[this._k]; 
} 
}
); 
Phaser.Keyboard.prototype.constructor = Phaser.Keyboard; 
Phaser.Keyboard.A = "A".charCodeAt(0); 
Phaser.Keyboard.B = "B".charCodeAt(0); 
Phaser.Keyboard.C = "C".charCodeAt(0); 
Phaser.Keyboard.D = "D".charCodeAt(0); 
Phaser.Keyboard.E = "E".charCodeAt(0); 
Phaser.Keyboard.F = "F".charCodeAt(0); 
Phaser.Keyboard.G = "G".charCodeAt(0); 
Phaser.Keyboard.H = "H".charCodeAt(0); 
Phaser.Keyboard.I = "I".charCodeAt(0); 
Phaser.Keyboard.J = "J".charCodeAt(0); 
Phaser.Keyboard.K = "K".charCodeAt(0); 
Phaser.Keyboard.L = "L".charCodeAt(0); 
Phaser.Keyboard.M = "M".charCodeAt(0); 
Phaser.Keyboard.N = "N".charCodeAt(0); 
Phaser.Keyboard.O = "O".charCodeAt(0); 
Phaser.Keyboard.P = "P".charCodeAt(0); 
Phaser.Keyboard.Q = "Q".charCodeAt(0); 
Phaser.Keyboard.R = "R".charCodeAt(0); 
Phaser.Keyboard.S = "S".charCodeAt(0); 
Phaser.Keyboard.T = "T".charCodeAt(0); 
Phaser.Keyboard.U = "U".charCodeAt(0); 
Phaser.Keyboard.V = "V".charCodeAt(0); 
Phaser.Keyboard.W = "W".charCodeAt(0); 
Phaser.Keyboard.X = "X".charCodeAt(0); 
Phaser.Keyboard.Y = "Y".charCodeAt(0); 
Phaser.Keyboard.Z = "Z".charCodeAt(0); 
Phaser.Keyboard.ZERO = "0".charCodeAt(0); 
Phaser.Keyboard.ONE = "1".charCodeAt(0); 
Phaser.Keyboard.TWO = "2".charCodeAt(0); 
Phaser.Keyboard.THREE = "3".charCodeAt(0); 
Phaser.Keyboard.FOUR = "4".charCodeAt(0); 
Phaser.Keyboard.FIVE = "5".charCodeAt(0); 
Phaser.Keyboard.SIX = "6".charCodeAt(0); 
Phaser.Keyboard.SEVEN = "7".charCodeAt(0); 
Phaser.Keyboard.EIGHT = "8".charCodeAt(0); 
Phaser.Keyboard.NINE = "9".charCodeAt(0); 
Phaser.Keyboard.NUMPAD_0 = 96; 
Phaser.Keyboard.NUMPAD_1 = 97; 
Phaser.Keyboard.NUMPAD_2 = 98; 
Phaser.Keyboard.NUMPAD_3 = 99; 
Phaser.Keyboard.NUMPAD_4 = 100; 
Phaser.Keyboard.NUMPAD_5 = 101; 
Phaser.Keyboard.NUMPAD_6 = 102; 
Phaser.Keyboard.NUMPAD_7 = 103; 
Phaser.Keyboard.NUMPAD_8 = 104; 
Phaser.Keyboard.NUMPAD_9 = 105; 
Phaser.Keyboard.NUMPAD_MULTIPLY = 106; 
Phaser.Keyboard.NUMPAD_ADD = 107; 
Phaser.Keyboard.NUMPAD_ENTER = 108; 
Phaser.Keyboard.NUMPAD_SUBTRACT = 109; 
Phaser.Keyboard.NUMPAD_DECIMAL = 110; 
Phaser.Keyboard.NUMPAD_DIVIDE = 111; 
Phaser.Keyboard.F1 = 112; 
Phaser.Keyboard.F2 = 113; 
Phaser.Keyboard.F3 = 114; 
Phaser.Keyboard.F4 = 115; 
Phaser.Keyboard.F5 = 116; 
Phaser.Keyboard.F6 = 117; 
Phaser.Keyboard.F7 = 118; 
Phaser.Keyboard.F8 = 119; 
Phaser.Keyboard.F9 = 120; 
Phaser.Keyboard.F10 = 121; 
Phaser.Keyboard.F11 = 122; 
Phaser.Keyboard.F12 = 123; 
Phaser.Keyboard.F13 = 124; 
Phaser.Keyboard.F14 = 125; 
Phaser.Keyboard.F15 = 126; 
Phaser.Keyboard.COLON = 186; 
Phaser.Keyboard.EQUALS = 187; 
Phaser.Keyboard.UNDERSCORE = 189; 
Phaser.Keyboard.QUESTION_MARK = 191; 
Phaser.Keyboard.TILDE = 192; 
Phaser.Keyboard.OPEN_BRACKET = 219; 
Phaser.Keyboard.BACKWARD_SLASH = 220; 
Phaser.Keyboard.CLOSED_BRACKET = 221; 
Phaser.Keyboard.QUOTES = 222; 
Phaser.Keyboard.BACKSPACE = 8; 
Phaser.Keyboard.TAB = 9; 
Phaser.Keyboard.CLEAR = 12; 
Phaser.Keyboard.ENTER = 13; 
Phaser.Keyboard.SHIFT = 16; 
Phaser.Keyboard.CONTROL = 17; 
Phaser.Keyboard.ALT = 18; 
Phaser.Keyboard.CAPS_LOCK = 20; 
Phaser.Keyboard.ESC = 27; 
Phaser.Keyboard.SPACEBAR = 32; 
Phaser.Keyboard.PAGE_UP = 33; 
Phaser.Keyboard.PAGE_DOWN = 34; 
Phaser.Keyboard.END = 35; 
Phaser.Keyboard.HOME = 36; 
Phaser.Keyboard.LEFT = 37; 
Phaser.Keyboard.UP = 38; 
Phaser.Keyboard.RIGHT = 39; 
Phaser.Keyboard.DOWN = 40; 
Phaser.Keyboard.INSERT = 45; 
Phaser.Keyboard.DELETE = 46; 
Phaser.Keyboard.HELP = 47; 
Phaser.Keyboard.NUM_LOCK = 144;