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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 $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC { | |
| 6 | |
| 7 _IDBTransactionImpl transaction(storeName_OR_storeNames, String mode) { | |
| 8 if (mode != 'readonly' && mode != 'readwrite') { | |
| 9 throw new IllegalArgumentException(mode); | |
| 10 } | |
| 11 | |
| 12 // TODO(sra): Ensure storeName_OR_storeNames is a string, List<String> or | |
| 13 // DOMStringList, and copy to JavaScript array if necessary. | |
| 14 | |
| 15 if (_transaction_fn != null) { | |
| 16 return _transaction_fn(this, storeName_OR_storeNames, mode); | |
| 17 } | |
| 18 | |
| 19 // Try and create a transaction with a string mode. Browsers that expect a | |
| 20 // numeric mode tend to convert the string into a number. This fails | |
| 21 // silently, resulting in zero ('readonly'). | |
| 22 var txn = _transaction(storeName_OR_storeNames, mode); | |
| 23 if (_hasNumericMode(txn)) { | |
| 24 _transaction_fn = _transaction_numeric_mode; | |
| 25 txn = _transaction_fn(this, storeName_OR_storeNames, mode); | |
| 26 } else { | |
| 27 _transaction_fn = _transaction_string_mode; | |
| 28 } | |
| 29 return txn; | |
| 30 } | |
| 31 | |
| 32 static _IDBTransactionImpl _transaction_string_mode($CLASSNAME db, stores, mod
e) { | |
| 33 return db._transaction(stores, mode); | |
| 34 } | |
| 35 | |
| 36 static _IDBTransactionImpl _transaction_numeric_mode($CLASSNAME db, stores, mo
de) { | |
| 37 int intMode; | |
| 38 if (mode == 'readonly') intMode = IDBTransaction.READ_ONLY; | |
| 39 if (mode == 'readwrite') intMode = IDBTransaction.READ_WRITE; | |
| 40 return db._transaction(stores, intMode); | |
| 41 } | |
| 42 | |
| 43 _IDBTransactionImpl _transaction(stores, mode) native 'transaction'; | |
| 44 | |
| 45 static bool _hasNumericMode(txn) native 'return typeof(txn.mode) === "number"'
; | |
| 46 | |
| 47 $!MEMBERS} | |
| 48 | |
| 49 // TODO(sra): This should be a static member of _IDBTransactionImpl but dart2js | |
| 50 // can't handle that. Move it back after dart2js is completely done. | |
| 51 var _transaction_fn; // Assigned one of the static methods. | |
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