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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 | |
3 // BSD-style license that can be found in the LICENSE file. | |
4 | |
5 class _IDBKeyRangeFactoryProvider { | |
6 | |
7 factory IDBKeyRange.only(/*IDBKey*/ value) => | |
8 _only(_class(), _translateKey(value)); | |
9 | |
10 factory IDBKeyRange.lowerBound(/*IDBKey*/ bound, [bool open = false]) => | |
11 _lowerBound(_class(), _translateKey(bound), open); | |
12 | |
13 factory IDBKeyRange.upperBound(/*IDBKey*/ bound, [bool open = false]) => | |
14 _upperBound(_class(), _translateKey(bound), open); | |
15 | |
16 factory IDBKeyRange.bound(/*IDBKey*/ lower, /*IDBKey*/ upper, | |
17 [bool lowerOpen = false, bool upperOpen = false]) => | |
18 _bound(_class(), _translateKey(lower), _translateKey(upper), | |
19 lowerOpen, upperOpen); | |
20 | |
21 static var _cachedClass; | |
22 | |
23 static _class() { | |
24 if (_cachedClass != null) return _cachedClass; | |
25 return _cachedClass = _uncachedClass(); | |
26 } | |
27 | |
28 static _uncachedClass() native ''' | |
29 return window.webkitIDBKeyRange || window.mozIDBKeyRange || | |
30 window.msIDBKeyRange || window.IDBKeyRange; | |
31 '''; | |
32 | |
33 static _translateKey(idbkey) => idbkey; // TODO: fixme. | |
34 | |
35 static _IDBKeyRangeJs _only(cls, value) native | |
36 '''return cls.only(value);'''; | |
37 | |
38 static _IDBKeyRangeJs _lowerBound(cls, bound, open) native | |
39 '''return cls.lowerBound(bound, open);'''; | |
40 | |
41 static _IDBKeyRangeJs _upperBound(cls, bound, open) native | |
42 '''return cls.upperBound(bound, open);'''; | |
43 | |
44 static _IDBKeyRangeJs _bound(cls, lower, upper, lowerOpen, upperOpen) native | |
45 '''return cls.bound(lower, upper, lowerOpen, upperOpen);'''; | |
46 | |
47 } | |
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