1 /*
2 * Copyright (C) 2009 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 are
6 * met:
7 *
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "config.h"
32 #include "SQLTransactionClient.h"
33
34 #if ENABLE(DATABASE)
35
36 #include "AbstractDatabase.h"
37 #include "DatabaseObserver.h"
38 #include "ScriptExecutionContext.h"
39
40 namespace WebCore {
41
42 class NotifyDatabaseChangedTask : public ScriptExecutionContext::Task {
43 public:
create(AbstractDatabase * database)44 static PassOwnPtr<NotifyDatabaseChangedTask> create(AbstractDatabase *database)
45 {
46 return new NotifyDatabaseChangedTask(database);
47 }
48
performTask(ScriptExecutionContext *)49 virtual void performTask(ScriptExecutionContext*)
50 {
51 WebCore::DatabaseObserver::databaseModified(m_database.get());
52 }
53
54 private:
NotifyDatabaseChangedTask(PassRefPtr<AbstractDatabase> database)55 NotifyDatabaseChangedTask(PassRefPtr<AbstractDatabase> database)
56 : m_database(database)
57 {
58 }
59
60 RefPtr<AbstractDatabase> m_database;
61 };
62
didCommitWriteTransaction(AbstractDatabase * database)63 void SQLTransactionClient::didCommitWriteTransaction(AbstractDatabase* database)
64 {
65 if (!database->scriptExecutionContext()->isContextThread()) {
66 database->scriptExecutionContext()->postTask(NotifyDatabaseChangedTask::create(database));
67 return;
68 }
69
70 WebCore::DatabaseObserver::databaseModified(database);
71 }
72
didExecuteStatement(AbstractDatabase * database)73 void SQLTransactionClient::didExecuteStatement(AbstractDatabase* database)
74 {
75 // This method is called after executing every statement that changes the DB.
76 // Chromium doesn't need to do anything at that point.
77 }
78
didExceedQuota(AbstractDatabase * database)79 bool SQLTransactionClient::didExceedQuota(AbstractDatabase* database)
80 {
81 // Chromium does not allow users to manually change the quota for an origin (for now, at least).
82 // Don't do anything.
83 ASSERT(database->scriptExecutionContext()->isContextThread());
84 return false;
85 }
86
87 }
88
89 #endif // ENABLE(DATABASE)
90