OLD | NEW |
| (Empty) |
1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 import '../fn.dart'; | |
6 | |
7 abstract class ButtonBase extends Component { | |
8 bool highlight = false; | |
9 | |
10 ButtonBase({ Object key }) : super(key: key); | |
11 | |
12 UINode buildContent(); | |
13 | |
14 UINode build() { | |
15 return new EventListenerNode( | |
16 buildContent(), | |
17 onPointerDown: _handlePointerDown, | |
18 onPointerUp: _handlePointerUp, | |
19 onPointerCancel: _handlePointerCancel | |
20 ); | |
21 } | |
22 | |
23 void _handlePointerDown(_) { | |
24 setState(() { | |
25 highlight = true; | |
26 }); | |
27 } | |
28 void _handlePointerUp(_) { | |
29 setState(() { | |
30 highlight = false; | |
31 }); | |
32 } | |
33 void _handlePointerCancel(_) { | |
34 setState(() { | |
35 highlight = false; | |
36 }); | |
37 } | |
38 } | |
OLD | NEW |