1/* 2 * Copyright (C) 2007, 2008, 2013 Apple 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 29#ifndef Database_h 30#define Database_h 31 32#if ENABLE(SQL_DATABASE) 33 34#include "DatabaseBackend.h" 35#include "DatabaseBase.h" 36#include "DatabaseBasicTypes.h" 37#include "DatabaseError.h" 38#include <wtf/text/WTFString.h> 39 40namespace WebCore { 41 42class ChangeVersionData; 43class DatabaseCallback; 44class DatabaseContext; 45class SecurityOrigin; 46class SQLTransaction; 47class SQLTransactionBackend; 48class SQLTransactionCallback; 49class SQLTransactionErrorCallback; 50class VoidCallback; 51 52class Database : public DatabaseBase, public DatabaseBackend { 53public: 54 virtual ~Database(); 55 56 // Direct support for the DOM API 57 virtual String version() const; 58 void changeVersion(const String& oldVersion, const String& newVersion, PassRefPtr<SQLTransactionCallback>, 59 PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback); 60 void transaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback); 61 void readTransaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>, PassRefPtr<VoidCallback> successCallback); 62 63 // Internal engine support 64 static Database* from(DatabaseBackend*); 65 DatabaseContext* databaseContext() const { return m_databaseContext.get(); } 66 67 Vector<String> tableNames(); 68 69 virtual SecurityOrigin* securityOrigin() const; 70 71 virtual void markAsDeletedAndClose(); 72 bool deleted() const { return m_deleted; } 73 74 virtual void closeImmediately(); 75 76 void scheduleTransactionCallback(SQLTransaction*); 77 78private: 79 Database(PassRefPtr<DatabaseBackendContext>, const String& name, 80 const String& expectedVersion, const String& displayName, unsigned long estimatedSize); 81 PassRefPtr<DatabaseBackend> backend(); 82 static PassRefPtr<Database> create(ScriptExecutionContext*, PassRefPtr<DatabaseBackendBase>); 83 84 void runTransaction(PassRefPtr<SQLTransactionCallback>, PassRefPtr<SQLTransactionErrorCallback>, 85 PassRefPtr<VoidCallback> successCallback, bool readOnly, const ChangeVersionData* = 0); 86 87 Vector<String> performGetTableNames(); 88 89 RefPtr<SecurityOrigin> m_databaseThreadSecurityOrigin; 90 RefPtr<DatabaseContext> m_databaseContext; 91 92 bool m_deleted; 93 94 friend class DatabaseManager; 95 friend class DatabaseServer; // FIXME: remove this when the backend has been split out. 96 friend class DatabaseBackend; // FIXME: remove this when the backend has been split out. 97 friend class SQLStatement; 98 friend class SQLTransaction; 99}; 100 101} // namespace WebCore 102 103#endif // ENABLE(SQL_DATABASE) 104 105#endif // Database_h 106