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/DatabaseContext.h"
30 #include "modules/webdatabase/DatabaseTracker.h"
31
32 namespace WebCore {
33
DatabaseBackendSync(DatabaseContext * databaseContext,const String & name,const String & expectedVersion,const String & displayName,unsigned long estimatedSize)34 DatabaseBackendSync::DatabaseBackendSync(DatabaseContext* 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
~DatabaseBackendSync()39 DatabaseBackendSync::~DatabaseBackendSync()
40 {
41 #if !ENABLE(OILPAN)
42 // SQLite is "multi-thread safe", but each database handle can only be used
43 // on a single thread at a time.
44 //
45 // For DatabaseBackendSync, we open the SQLite database on the script context
46 // thread. And hence we should also close it on that same thread. This means
47 // that the SQLite database need to be closed here in the destructor.
48 if (opened()) {
49 ASSERT(m_databaseContext->isContextThread());
50 closeDatabase();
51 }
52 #endif
53 ASSERT(!opened());
54 }
55
trace(Visitor * visitor)56 void DatabaseBackendSync::trace(Visitor* visitor)
57 {
58 DatabaseBackendBase::trace(visitor);
59 }
60
openAndVerifyVersion(bool setVersionInNewDatabase,DatabaseError & error,String & errorMessage)61 bool DatabaseBackendSync::openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError& error, String& errorMessage)
62 {
63 DatabaseTracker::tracker().prepareToOpenDatabase(this);
64 return performOpenAndVerify(setVersionInNewDatabase, error, errorMessage);
65 }
66
67 } // namespace WebCore
68