| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| <link rel="import" href="/base/guid.html"> |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.ui.b', function() { |
| function HotKey(dict) { |
| if (dict.eventType === undefined) |
| throw new Error('eventType must be given'); |
| if (dict.keyCode === undefined && dict.keyCodes === undefined) |
| throw new Error('keyCode or keyCodes must be given'); |
| if (dict.keyCode !== undefined && dict.keyCodes !== undefined) |
| throw new Error('Only keyCode or keyCodes can be given'); |
| if (dict.callback === undefined) |
| throw new Error('callback must be given'); |
| |
| this.eventType_ = dict.eventType; |
| this.keyCodes_ = []; |
| |
| if (dict.keyCode) |
| this.pushKeyCode_(dict.keyCode); |
| else if (dict.keyCodes) { |
| dict.keyCodes.forEach(this.pushKeyCode_, this); |
| } |
| |
| this.useCapture_ = !!dict.useCapture; |
| this.callback_ = dict.callback; |
| this.thisArg_ = dict.thisArg !== undefined ? dict.thisArg : undefined; |
| |
| this.helpText_ = dict.helpText !== undefined ? dict.helpText : undefined; |
| } |
| |
| HotKey.prototype = { |
| get eventType() { |
| return this.eventType_; |
| }, |
| |
| get keyCodes() { |
| return this.keyCodes_; |
| }, |
| |
| get helpText() { |
| return this.helpText_; |
| }, |
| |
| call: function(e) { |
| this.callback_.call(this.thisArg_, e); |
| }, |
| |
| pushKeyCode_: function(keyCode) { |
| this.keyCodes_.push(keyCode); |
| } |
| }; |
| |
| return { |
| HotKey: HotKey |
| }; |
| }); |
| </script> |
