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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 '../animation/scroll_behavior.dart'; | 5 import '../animation/scroll_behavior.dart'; |
6 import '../fn.dart'; | 6 import '../fn.dart'; |
7 import 'dart:math' as math; | 7 import 'dart:math' as math; |
8 import 'dart:sky' as sky; | 8 import 'dart:sky' as sky; |
9 import 'scrollable.dart'; | 9 import 'scrollable.dart'; |
10 | 10 |
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67 | 67 |
68 double drawStart = scrollOffset + alignmentDelta; | 68 double drawStart = scrollOffset + alignmentDelta; |
69 itemNumber = (drawStart / _itemHeight).floor(); | 69 itemNumber = (drawStart / _itemHeight).floor(); |
70 | 70 |
71 transformStyle = | 71 transformStyle = |
72 'transform: translateY(${(alignmentDelta).toStringAsFixed(2)}px)'; | 72 'transform: translateY(${(alignmentDelta).toStringAsFixed(2)}px)'; |
73 } | 73 } |
74 } | 74 } |
75 | 75 |
76 return new Container( | 76 return new Container( |
77 styles: [_style], | 77 style: _style, |
78 children: [ | 78 children: [ |
79 new Container( | 79 new Container( |
80 styles: [_scrollAreaStyle], | 80 style: _scrollAreaStyle, |
81 inlineStyle: transformStyle, | 81 inlineStyle: transformStyle, |
82 children: buildItems(itemNumber, drawCount) | 82 children: buildItems(itemNumber, drawCount) |
83 ) | 83 ) |
84 ] | 84 ] |
85 ); | 85 ); |
86 } | 86 } |
87 } | 87 } |
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