blois@google.com
e780a771d3
BUG= Review URL: https://codereview.chromium.org//12159005 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@18338 260f80e4-7a28-3924-810f-c04153c831b5
85 lines
2.3 KiB
Plaintext
85 lines
2.3 KiB
Plaintext
// Copyright (c) 2012, 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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part of $LIBRARYNAME;
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$(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
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/**
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* Checks to see if Indexed DB is supported on the current platform.
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*/
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static bool get supported {
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$if DARTIUM
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return true;
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$else
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return JS('bool',
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'!!(window.indexedDB || '
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'window.webkitIndexedDB || '
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'window.mozIndexedDB)');
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$endif
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}
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@DomName('IDBFactory.open')
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Future<Database> open(String name,
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{int version, void onUpgradeNeeded(VersionChangeEvent),
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void onBlocked(Event)}) {
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if ((version == null) != (onUpgradeNeeded == null)) {
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return new Future.immediateError(new ArgumentError(
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'version and onUpgradeNeeded must be specified together'));
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}
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try {
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var request;
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if (version != null) {
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request = $dom_open(name, version);
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} else {
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request = $dom_open(name);
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}
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if (onUpgradeNeeded != null) {
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request.onUpgradeNeeded.listen(onUpgradeNeeded);
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}
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if (onBlocked != null) {
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request.onBlocked.listen(onBlocked);
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}
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return _completeRequest(request);
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} catch (e, stacktrace) {
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return new Future.immediateError(e, stacktrace);
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}
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}
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@DomName('IDBFactory.deleteDatabase')
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Future<IdbFactory> deleteDatabase(String name,
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{void onBlocked(Event)}) {
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try {
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var request = $dom_deleteDatabase(name);
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if (onBlocked != null) {
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request.onBlocked.listen(onBlocked);
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}
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return _completeRequest(request);
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} catch (e, stacktrace) {
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return new Future.immediateError(e, stacktrace);
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}
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}
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$!MEMBERS
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}
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/**
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* Ties a request to a completer, so the completer is completed when it succeeds
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* and errors out when the request errors.
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*/
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Future _completeRequest(Request request) {
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var completer = new Completer();
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// TODO: make sure that completer.complete is synchronous as transactions
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// may be committed if the result is not processed immediately.
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request.onSuccess.listen((e) {
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completer.complete(request.result);
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});
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request.onError.listen((e) {
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completer.completeError(e);
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});
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return completer.future;
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}
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