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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 import 'dart:math' as math; | 5 import 'dart:math' as math; |
6 | 6 |
7 import 'package:vector_math/vector_math.dart'; | 7 import 'package:vector_math/vector_math.dart'; |
8 | 8 |
9 import '../framework/animation/scroll_behavior.dart'; | 9 import '../framework/animation/scroll_behavior.dart'; |
10 import 'basic.dart'; | 10 import 'basic.dart'; |
11 import 'scrollable.dart'; | 11 import 'scrollable.dart'; |
12 | 12 |
13 abstract class FixedHeightScrollable extends Scrollable { | 13 abstract class FixedHeightScrollable extends Scrollable { |
14 | 14 |
15 FixedHeightScrollable({ this.itemHeight, Object key }) : super(key: key) { | 15 FixedHeightScrollable({ this.itemHeight, Color backgroundColor, Object key }) |
| 16 : super(key: key, backgroundColor: backgroundColor) { |
16 assert(itemHeight != null); | 17 assert(itemHeight != null); |
17 } | 18 } |
18 | 19 |
19 double itemHeight; | 20 double itemHeight; |
20 | 21 |
21 void syncFields(FixedHeightScrollable source) { | 22 void syncFields(FixedHeightScrollable source) { |
22 itemHeight = source.itemHeight; | 23 itemHeight = source.itemHeight; |
23 super.syncFields(source); | 24 super.syncFields(source); |
24 } | 25 } |
25 | 26 |
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71 callback: _handleSizeChanged, | 72 callback: _handleSizeChanged, |
72 child: new ClipRect( | 73 child: new ClipRect( |
73 child: new Transform( | 74 child: new Transform( |
74 transform: transform, | 75 transform: transform, |
75 child: new Block(buildItems(itemShowIndex, itemShowCount)) | 76 child: new Block(buildItems(itemShowIndex, itemShowCount)) |
76 ) | 77 ) |
77 ) | 78 ) |
78 ); | 79 ); |
79 } | 80 } |
80 | 81 |
81 List<UINode> buildItems(int start, int count); | 82 List<UINode> buildItems(int start, int count); |
82 | 83 |
83 } | 84 } |
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