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 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 IDBFactoryBackendLevelDB_h 29#define IDBFactoryBackendLevelDB_h 30 31#if ENABLE(INDEXED_DATABASE) && USE(LEVELDB) 32 33#include "IDBCallbacks.h" 34#include "IDBDatabaseCallbacks.h" 35#include "IDBFactoryBackendInterface.h" 36#include "SecurityOrigin.h" 37#include <wtf/HashMap.h> 38#include <wtf/HashSet.h> 39#include <wtf/RefCounted.h> 40#include <wtf/WeakPtr.h> 41#include <wtf/text/StringHash.h> 42 43namespace WebCore { 44 45class DOMStringList; 46 47class IDBBackingStoreLevelDB; 48class IDBDatabaseBackend; 49 50class IDBFactoryBackendLevelDB : public IDBFactoryBackendInterface { 51public: 52 static PassRefPtr<IDBFactoryBackendLevelDB> create(const String& databaseDirectory) 53 { 54 return adoptRef(new IDBFactoryBackendLevelDB(databaseDirectory)); 55 } 56 virtual ~IDBFactoryBackendLevelDB(); 57 58 // Notifications from weak pointers. 59 virtual void removeIDBDatabaseBackend(const String& uniqueIdentifier) override final; 60 61 virtual void getDatabaseNames(PassRefPtr<IDBCallbacks>, const SecurityOrigin& openingOrigin, const SecurityOrigin& mainFrameOrigin, ScriptExecutionContext*, const String& dataDir) override final; 62 virtual void open(const String& name, uint64_t version, int64_t transactionId, PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, const SecurityOrigin& openingOrigin, const SecurityOrigin& mainFrameOrigin) override final; 63 64 virtual void deleteDatabase(const String& name, const SecurityOrigin& openingOrigin, const SecurityOrigin& mainFrameOrigin, PassRefPtr<IDBCallbacks>, ScriptExecutionContext*, const String& dataDir) override final; 65 66protected: 67 virtual PassRefPtr<IDBBackingStoreLevelDB> openBackingStore(const SecurityOrigin&, const String& dataDir); 68 69private: 70 explicit IDBFactoryBackendLevelDB(const String& databaseDirectory); 71 72 typedef HashMap<String, RefPtr<IDBDatabaseBackend> > IDBDatabaseBackendMap; 73 IDBDatabaseBackendMap m_databaseBackendMap; 74 75 typedef HashMap<String, WeakPtr<IDBBackingStoreLevelDB> > IDBBackingStoreLevelDBMap; 76 IDBBackingStoreLevelDBMap m_backingStoreMap; 77 78 HashSet<RefPtr<IDBBackingStoreLevelDB> > m_sessionOnlyBackingStores; 79 80 String m_databaseDirectory; 81}; 82 83} // namespace WebCore 84 85#endif // ENABLE(INDEXED_DATABASE) && USE(LEVELDB) 86 87#endif // IDBFactoryBackendLevelDB_h 88