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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| 2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
| 3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 /** | 5 /** |
| 6 * Lazy implementation of the child nodes of an element that does not request | 6 * Lazy implementation of the child nodes of an element that does not request |
| 7 * the actual child nodes of an element until strictly necessary greatly | 7 * the actual child nodes of an element until strictly necessary greatly |
| 8 * improving performance for the typical cases where it is not required. | 8 * improving performance for the typical cases where it is not required. |
| 9 */ | 9 */ |
| 10 class _ChildNodeListLazy implements NodeList { | 10 class _ChildNodeListLazy implements NodeList { |
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| 117 // Copy list first since we don't want liveness during iteration. | 117 // Copy list first since we don't want liveness during iteration. |
| 118 // TODO(jacobr): there is a better way to do this. | 118 // TODO(jacobr): there is a better way to do this. |
| 119 List copy = new List.from(value); | 119 List copy = new List.from(value); |
| 120 text = ''; | 120 text = ''; |
| 121 for (Node node in copy) { | 121 for (Node node in copy) { |
| 122 $dom_appendChild(node); | 122 $dom_appendChild(node); |
| 123 } | 123 } |
| 124 } | 124 } |
| 125 | 125 |
| 126 // TODO(jacobr): should we throw an exception if parent is already null? | 126 // TODO(jacobr): should we throw an exception if parent is already null? |
| 127 _NodeImpl remove() { | 127 // TODO(vsm): Use the native remove when available. |
| 128 void remove() { |
| 128 if (this.parent != null) { | 129 if (this.parent != null) { |
| 129 final _NodeImpl parent = this.parent; | 130 final _NodeImpl parent = this.parent; |
| 130 parent.$dom_removeChild(this); | 131 parent.$dom_removeChild(this); |
| 131 } | 132 } |
| 132 return this; | |
| 133 } | 133 } |
| 134 | 134 |
| 135 _NodeImpl replaceWith(Node otherNode) { | 135 _NodeImpl replaceWith(Node otherNode) { |
| 136 try { | 136 try { |
| 137 final _NodeImpl parent = this.parent; | 137 final _NodeImpl parent = this.parent; |
| 138 parent.$dom_replaceChild(otherNode, this); | 138 parent.$dom_replaceChild(otherNode, this); |
| 139 } catch (e) { | 139 } catch (e) { |
| 140 | 140 |
| 141 }; | 141 }; |
| 142 return this; | 142 return this; |
| 143 } | 143 } |
| 144 | 144 |
| 145 $!MEMBERS | 145 $!MEMBERS |
| 146 } | 146 } |
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