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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 part of $LIBRARYNAME; | 5 part of $LIBRARYNAME; |
6 | 6 |
7 $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS
{ | 7 $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS
{ |
8 /** | 8 /** |
9 * Checks to see if Indexed DB is supported on the current platform. | 9 * Checks to see if Indexed DB is supported on the current platform. |
10 */ | 10 */ |
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42 request.onBlocked.listen(onBlocked); | 42 request.onBlocked.listen(onBlocked); |
43 } | 43 } |
44 return _completeRequest(request); | 44 return _completeRequest(request); |
45 } catch (e, stacktrace) { | 45 } catch (e, stacktrace) { |
46 return new Future.error(e, stacktrace); | 46 return new Future.error(e, stacktrace); |
47 } | 47 } |
48 } | 48 } |
49 | 49 |
50 @DomName('IDBFactory.deleteDatabase') | 50 @DomName('IDBFactory.deleteDatabase') |
51 Future<IdbFactory> deleteDatabase(String name, | 51 Future<IdbFactory> deleteDatabase(String name, |
52 {void onBlocked(Event)}) { | 52 {void onBlocked(Event e)}) { |
53 try { | 53 try { |
54 var request = _deleteDatabase(name); | 54 var request = _deleteDatabase(name); |
55 | 55 |
56 if (onBlocked != null) { | 56 if (onBlocked != null) { |
57 request.onBlocked.listen(onBlocked); | 57 request.onBlocked.listen(onBlocked); |
58 } | 58 } |
59 var completer = new Completer.sync(); | 59 var completer = new Completer<IdbFactory>.sync(); |
60 request.onSuccess.listen((e) { | 60 request.onSuccess.listen((e) { |
61 completer.complete(this); | 61 completer.complete(this); |
62 }); | 62 }); |
63 request.onError.listen(completer.completeError); | 63 request.onError.listen(completer.completeError); |
64 return completer.future; | 64 return completer.future; |
65 } catch (e, stacktrace) { | 65 } catch (e, stacktrace) { |
66 return new Future.error(e, stacktrace); | 66 return new Future.error(e, stacktrace); |
67 } | 67 } |
68 } | 68 } |
69 | 69 |
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93 } | 93 } |
94 | 94 |
95 $!MEMBERS | 95 $!MEMBERS |
96 } | 96 } |
97 | 97 |
98 | 98 |
99 /** | 99 /** |
100 * Ties a request to a completer, so the completer is completed when it succeeds | 100 * Ties a request to a completer, so the completer is completed when it succeeds |
101 * and errors out when the request errors. | 101 * and errors out when the request errors. |
102 */ | 102 */ |
103 Future _completeRequest(Request request) { | 103 Future/*<T>*/ _completeRequest/*<T>*/(Request request) { |
104 var completer = new Completer.sync(); | 104 var completer = new Completer/*<T>*/.sync(); |
105 // TODO: make sure that completer.complete is synchronous as transactions | 105 // TODO: make sure that completer.complete is synchronous as transactions |
106 // may be committed if the result is not processed immediately. | 106 // may be committed if the result is not processed immediately. |
107 request.onSuccess.listen((e) { | 107 request.onSuccess.listen((e) { |
108 completer.complete(request.result); | 108 completer.complete(request.result as dynamic/*=T*/); |
109 }); | 109 }); |
110 request.onError.listen(completer.completeError); | 110 request.onError.listen(completer.completeError); |
111 return completer.future; | 111 return completer.future; |
112 } | 112 } |
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