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Side by Side Diff: lib/html/templates/html/impl/impl_Node.darttemplate

Issue 11055009: Converting NodeList to List<Node>. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 8 years, 2 months ago
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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 List {
11 final _NodeImpl _this; 11 final _NodeImpl _this;
12 12
13 _ChildNodeListLazy(this._this); 13 _ChildNodeListLazy(this._this);
14 14
15 15
16 $if DART2JS 16 $if DART2JS
17 _NodeImpl get first => JS('_NodeImpl', '#.firstChild', _this); 17 _NodeImpl get first => JS('_NodeImpl', '#.firstChild', _this);
18 _NodeImpl last() => JS('_NodeImpl', '#.lastChild', _this); 18 _NodeImpl last() => JS('_NodeImpl', '#.lastChild', _this);
19 $else 19 $else
20 _NodeImpl get first => _this.$dom_firstChild; 20 _NodeImpl get first => _this.$dom_firstChild;
(...skipping 68 matching lines...) Expand 10 before | Expand all | Expand 10 after
89 "Cannot setRange on immutable List."); 89 "Cannot setRange on immutable List.");
90 } 90 }
91 void removeRange(int start, int rangeLength) { 91 void removeRange(int start, int rangeLength) {
92 throw new UnsupportedOperationException( 92 throw new UnsupportedOperationException(
93 "Cannot removeRange on immutable List."); 93 "Cannot removeRange on immutable List.");
94 } 94 }
95 void insertRange(int start, int rangeLength, [Node initialValue]) { 95 void insertRange(int start, int rangeLength, [Node initialValue]) {
96 throw new UnsupportedOperationException( 96 throw new UnsupportedOperationException(
97 "Cannot insertRange on immutable List."); 97 "Cannot insertRange on immutable List.");
98 } 98 }
99 NodeList getRange(int start, int rangeLength) => 99 List<Node> getRange(int start, int rangeLength) =>
100 new _NodeListWrapper(_Lists.getRange(this, start, rangeLength, <Node>[])); 100 new _NodeListWrapper(_Lists.getRange(this, start, rangeLength, <Node>[]));
101 101
102 // -- end List<Node> mixins. 102 // -- end List<Node> mixins.
103 103
104 // TODO(jacobr): benchmark whether this is more efficient or whether caching 104 // TODO(jacobr): benchmark whether this is more efficient or whether caching
105 // a local copy of $dom_childNodes is more efficient. 105 // a local copy of $dom_childNodes is more efficient.
106 int get length => _this.$dom_childNodes.length; 106 int get length => _this.$dom_childNodes.length;
107 107
108 _NodeImpl operator[](int index) => _this.$dom_childNodes[index]; 108 _NodeImpl operator[](int index) => _this.$dom_childNodes[index];
109 } 109 }
(...skipping 27 matching lines...) Expand all
137 final _NodeImpl parent = this.parent; 137 final _NodeImpl parent = this.parent;
138 parent.$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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