nweiz@google.com
538dabd388
Fixes issue 560. TBR Review URL: https://chromiumcodereview.appspot.com//9113039 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@3582 260f80e4-7a28-3924-810f-c04153c831b5
30 lines
1.3 KiB
Dart
30 lines
1.3 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class Uint32ArrayWrappingImplementation extends ArrayBufferViewWrappingImplementation implements Uint32Array {
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Uint32ArrayWrappingImplementation._wrap(ptr) : super._wrap(ptr) {}
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factory Uint32ArrayWrappingImplementation(int length) =>
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LevelDom.wrapUint32Array(new dom.Uint32Array(length));
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factory Uint32ArrayWrappingImplementation.from(List<num> list) =>
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// TODO(nweiz): when there's a cross-platform name for the native
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// implementation of List, check if [list] is native and if not convert it
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// to a native list before sending it to the JS constructor.
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LevelDom.wrapUint32Array(new dom.Uint32Array.fromList(list));
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factory Uint32ArrayWrappingImplementation.fromBuffer(ArrayBuffer buffer) =>
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LevelDom.wrapUint32Array(new dom.Uint32Array.fromBuffer(LevelDom.unwrap(buffer)));
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int get length() { return _ptr.length; }
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Uint32Array subarray(int start, [int end]) {
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if (end === null) {
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return LevelDom.wrapUint32Array(_ptr.subarray(start));
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} else {
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return LevelDom.wrapUint32Array(_ptr.subarray(start, end));
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}
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}
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}
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