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| 1 <!-- |  | 
| 2 // Copyright 2015 The Chromium Authors. All rights reserved. |  | 
| 3 // Use of this source code is governed by a BSD-style license that can be |  | 
| 4 // found in the LICENSE file. |  | 
| 5 --> |  | 
| 6 <import src="sky-element.sky" /> |  | 
| 7 <import src="sky-icon.sky" /> |  | 
| 8 |  | 
| 9 <sky-element attributes="checked:boolean"> |  | 
| 10 <template> |  | 
| 11   <style> |  | 
| 12     :host { |  | 
| 13       display: inline-block; |  | 
| 14       -webkit-user-select: none; |  | 
| 15       margin: 8px 16px; |  | 
| 16     } |  | 
| 17   </style> |  | 
| 18   <sky-icon size="18" /> |  | 
| 19 </template> |  | 
| 20 <script> |  | 
| 21 import "dart:sky"; |  | 
| 22 |  | 
| 23 const String _kOnIcon = 'toggle/check_box_black'; |  | 
| 24 const String _kOffIcon = 'toggle/check_box_outline_blank_black'; |  | 
| 25 |  | 
| 26 @Tagname('sky-checkbox') |  | 
| 27 class SkyCheckbox extends SkyElement { |  | 
| 28   SkyIcon _icon; |  | 
| 29 |  | 
| 30   SkyCheckbox() { |  | 
| 31     addEventListener('click', _handleClick); |  | 
| 32   } |  | 
| 33 |  | 
| 34   void shadowRootReady() { |  | 
| 35     _icon = shadowRoot.querySelector('sky-icon'); |  | 
| 36     _icon.type = checked ? _kOnIcon : _kOffIcon; |  | 
| 37   } |  | 
| 38 |  | 
| 39   void checkedChanged(bool oldValue, bool newValue) { |  | 
| 40     if (_icon != null) |  | 
| 41       _icon.type = newValue ? _kOnIcon : _kOffIcon; |  | 
| 42   } |  | 
| 43 |  | 
| 44   void _handleClick(_) { |  | 
| 45     checked = !checked; |  | 
| 46   } |  | 
| 47 } |  | 
| 48 |  | 
| 49 _init(script) => register(script, SkyCheckbox); |  | 
| 50 </script> |  | 
| 51 </sky-element> |  | 
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