1/* 2 * Copyright (C) 2010 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef IDBPendingTransactionMonitor_h 27#define IDBPendingTransactionMonitor_h 28 29#if ENABLE(INDEXED_DATABASE) 30 31#include <wtf/Noncopyable.h> 32#include <wtf/Vector.h> 33 34namespace WebCore { 35 36class IDBTransaction; 37 38// This class keeps track of the transactions created during the current 39// Javascript execution context. Transactions have an internal |active| flag 40// which is set to true on creation, but must be set to false when control 41// returns to the event loop. 42 43class IDBPendingTransactionMonitor { 44 WTF_MAKE_NONCOPYABLE(IDBPendingTransactionMonitor); 45public: 46 static void addNewTransaction(PassRefPtr<IDBTransaction>); 47 static void deactivateNewTransactions(); 48 49private: 50 IDBPendingTransactionMonitor(); 51}; 52 53} // namespace WebCore 54 55#endif // ENABLE(INDEXED_DATABASE) 56 57#endif // IDBPendingTransactionMonitor_h 58