|
| 1 | +var EventDispatcher = require('../../events/EventDispatcher'); |
| 2 | +var Event = require('./events'); |
| 3 | +var KeyCodes = require('./KeyCodes'); |
| 4 | +var Key = require('./Key'); |
| 5 | +var ProcessKeyDown = require('./ops/ProcessKeyDown'); |
| 6 | +var ProcessKeyUp = require('./ops/ProcessKeyUp'); |
| 7 | + |
| 8 | +var KeyboardManager = function (inputManager) |
| 9 | +{ |
| 10 | + this.manager = inputManager; |
| 11 | + |
| 12 | + this.enabled = false; |
| 13 | + |
| 14 | + this.target; |
| 15 | + |
| 16 | + this.events = new EventDispatcher(); |
| 17 | + |
| 18 | + this.keys = []; |
| 19 | + |
| 20 | + // Standard FIFO queue |
| 21 | + this.queue = []; |
| 22 | + |
| 23 | + this.keyHandler; |
| 24 | +}; |
| 25 | + |
| 26 | +KeyboardManager.prototype.constructor = KeyboardManager; |
| 27 | + |
| 28 | +KeyboardManager.prototype = { |
| 29 | + |
| 30 | + /** |
| 31 | + * The Boot handler is called by Phaser.Game when it first starts up. |
| 32 | + * The renderer is available by now. |
| 33 | + * |
| 34 | + * @method Phaser.Input.KeyboardManager#boot |
| 35 | + * @private |
| 36 | + */ |
| 37 | + boot: function () |
| 38 | + { |
| 39 | + var config = this.manager.gameConfig; |
| 40 | + |
| 41 | + this.enabled = config.inputKeyboard; |
| 42 | + this.target = config.inputKeyboardEventTarget; |
| 43 | + |
| 44 | + if (this.enabled) |
| 45 | + { |
| 46 | + this.startListeners(); |
| 47 | + } |
| 48 | + }, |
| 49 | + |
| 50 | + startListeners: function () |
| 51 | + { |
| 52 | + var queue = this.queue; |
| 53 | + |
| 54 | + var keyHandler = function (event) |
| 55 | + { |
| 56 | + if (event.preventDefaulted) |
| 57 | + { |
| 58 | + // Do nothing if event already handled |
| 59 | + return; |
| 60 | + } |
| 61 | + |
| 62 | + queue.push(event); |
| 63 | + }; |
| 64 | + |
| 65 | + this.keyHandler = keyHandler; |
| 66 | + |
| 67 | + this.target.addEventListener('keydown', keyHandler, false); |
| 68 | + this.target.addEventListener('keyup', keyHandler, false); |
| 69 | + }, |
| 70 | + |
| 71 | + stopListeners: function () |
| 72 | + { |
| 73 | + this.target.removeEventListener('keydown', this.keyHandler); |
| 74 | + this.target.removeEventListener('keyup', this.keyHandler); |
| 75 | + }, |
| 76 | + |
| 77 | + /** |
| 78 | + * If you need more fine-grained control over a Key you can create a new Phaser.Key object via this method. |
| 79 | + * The Key object can then be polled, have events attached to it, etc. |
| 80 | + * |
| 81 | + * @method Phaser.Keyboard#addKey |
| 82 | + * @param {integer} keycode - The {@link Phaser.KeyCode keycode} of the key. |
| 83 | + * @return {Phaser.Key} The Key object which you can store locally and reference directly. |
| 84 | + */ |
| 85 | + addKey: function (keycode, name) |
| 86 | + { |
| 87 | + if (!this.keys[keycode]) |
| 88 | + { |
| 89 | + this.keys[keycode] = new Key(this, keycode, name); |
| 90 | + |
| 91 | + // this.addKeyCapture(keycode); |
| 92 | + } |
| 93 | + |
| 94 | + return this.keys[keycode]; |
| 95 | + }, |
| 96 | + |
| 97 | + /** |
| 98 | + * Removes a Key object from the Keyboard manager. |
| 99 | + * |
| 100 | + * @method Phaser.Keyboard#removeKey |
| 101 | + * @param {integer} keycode - The {@link Phaser.KeyCode keycode} of the key to remove. |
| 102 | + */ |
| 103 | + removeKey: function (keycode) |
| 104 | + { |
| 105 | + if (this.keys[keycode]) |
| 106 | + { |
| 107 | + this.keys[keycode] = undefined; |
| 108 | + |
| 109 | + // this.removeKeyCapture(keycode); |
| 110 | + } |
| 111 | + }, |
| 112 | + |
| 113 | + // https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/KeyboardEvent |
| 114 | + // type = 'keydown', 'keyup' |
| 115 | + // keyCode = integer |
| 116 | + |
| 117 | + update: function () |
| 118 | + { |
| 119 | + // Process the event queue, dispatching all of the events that have stored up |
| 120 | + |
| 121 | + var queue = this.queue; |
| 122 | + var keys = this.keys; |
| 123 | + |
| 124 | + for (var i = 0; i < queue.length; i++) |
| 125 | + { |
| 126 | + var event = queue[i]; |
| 127 | + |
| 128 | + if (event.type === 'keydown') |
| 129 | + { |
| 130 | + this.events.dispatch(new Event.KEY_DOWN_EVENT(event)); |
| 131 | + |
| 132 | + if (keys[event.keyCode]) |
| 133 | + { |
| 134 | + ProcessKeyDown(keys[event.keyCode], event); |
| 135 | + } |
| 136 | + } |
| 137 | + else |
| 138 | + { |
| 139 | + this.events.dispatch(new Event.KEY_UP_EVENT(event)); |
| 140 | + |
| 141 | + if (keys[event.keyCode]) |
| 142 | + { |
| 143 | + ProcessKeyUp(keys[event.keyCode], event); |
| 144 | + } |
| 145 | + } |
| 146 | + } |
| 147 | + |
| 148 | + queue.length = 0; |
| 149 | + } |
| 150 | + |
| 151 | +}; |
| 152 | + |
| 153 | +module.exports = KeyboardManager; |
0 commit comments