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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #ifndef IDBFactoryBackendImpl_h 29 #define IDBFactoryBackendImpl_h 30 31 #include "IDBFactoryBackendInterface.h" 32 #include <wtf/HashMap.h> 33 #include <wtf/text/StringHash.h> 34 35 #if ENABLE(INDEXED_DATABASE) 36 37 namespace WebCore { 38 39 class DOMStringList; 40 41 class IDBBackingStore; 42 class IDBDatabaseBackendImpl; 43 class IDBTransactionCoordinator; 44 45 class IDBFactoryBackendImpl : public IDBFactoryBackendInterface { 46 public: create()47 static PassRefPtr<IDBFactoryBackendImpl> create() 48 { 49 return adoptRef(new IDBFactoryBackendImpl()); 50 } 51 virtual ~IDBFactoryBackendImpl(); 52 53 // Notifications from weak pointers. 54 void removeIDBDatabaseBackend(const String& uniqueIdentifier); 55 void addIDBBackingStore(const String& uniqueIdentifier, IDBBackingStore*); 56 void removeIDBBackingStore(const String& uniqueIdentifier); 57 58 virtual void open(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, Frame*, const String& dataDir, int64_t maximumSize, BackingStoreType); 59 60 private: 61 IDBFactoryBackendImpl(); 62 63 typedef HashMap<String, IDBDatabaseBackendImpl*> IDBDatabaseBackendMap; 64 IDBDatabaseBackendMap m_databaseBackendMap; 65 66 typedef HashMap<String, IDBBackingStore*> IDBBackingStoreMap; 67 IDBBackingStoreMap m_backingStoreMap; 68 69 RefPtr<IDBTransactionCoordinator> m_transactionCoordinator; 70 71 // Only one instance of the factory should exist at any given time. 72 static IDBFactoryBackendImpl* idbFactoryBackendImpl; 73 }; 74 75 } // namespace WebCore 76 77 #endif 78 79 #endif // IDBFactoryBackendImpl_h 80