1 /* 2 * Copyright (C) 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 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #include "config.h" 27 #include "modules/webdatabase/DatabaseBackendSync.h" 28 29 #include "modules/webdatabase/DatabaseBackendContext.h" 30 #include "modules/webdatabase/DatabaseTracker.h" 31 32 namespace WebCore { 33 34 DatabaseBackendSync::DatabaseBackendSync(PassRefPtr<DatabaseBackendContext> databaseContext, const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize) 35 : DatabaseBackendBase(databaseContext, name, expectedVersion, displayName, estimatedSize, DatabaseType::Sync) 36 { 37 } 38 39 DatabaseBackendSync::~DatabaseBackendSync() 40 { 41 // SQLite is "multi-thread safe", but each database handle can only be used 42 // on a single thread at a time. 43 // 44 // For DatabaseBackendSync, we open the SQLite database on the script context 45 // thread. And hence we should also close it on that same thread. This means 46 // that the SQLite database need to be closed here in the destructor. 47 48 ASSERT(m_databaseContext->isContextThread()); 49 if (opened()) 50 closeDatabase(); 51 } 52 53 bool DatabaseBackendSync::openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError& error, String& errorMessage) 54 { 55 DatabaseTracker::tracker().prepareToOpenDatabase(this); 56 return performOpenAndVerify(setVersionInNewDatabase, error, errorMessage); 57 } 58 59 } // namespace WebCore 60