1 /*
2 * Copyright (C) 2007, 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 Computer, 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 #include "config.h"
29 #include "modules/webdatabase/SQLStatement.h"
30
31 #include "modules/webdatabase/Database.h"
32 #include "modules/webdatabase/DatabaseManager.h"
33 #include "modules/webdatabase/SQLError.h"
34 #include "modules/webdatabase/SQLStatementBackend.h"
35 #include "modules/webdatabase/SQLStatementCallback.h"
36 #include "modules/webdatabase/SQLStatementErrorCallback.h"
37 #include "modules/webdatabase/SQLTransaction.h"
38 #include "modules/webdatabase/sqlite/SQLiteDatabase.h"
39 #include "modules/webdatabase/sqlite/SQLiteStatement.h"
40 #include "platform/Logging.h"
41 #include "wtf/text/CString.h"
42
43 namespace blink {
44
create(Database * database,SQLStatementCallback * callback,SQLStatementErrorCallback * errorCallback)45 PassOwnPtrWillBeRawPtr<SQLStatement> SQLStatement::create(Database* database,
46 SQLStatementCallback* callback, SQLStatementErrorCallback* errorCallback)
47 {
48 return adoptPtrWillBeNoop(new SQLStatement(database, callback, errorCallback));
49 }
50
SQLStatement(Database * database,SQLStatementCallback * callback,SQLStatementErrorCallback * errorCallback)51 SQLStatement::SQLStatement(Database* database, SQLStatementCallback* callback,
52 SQLStatementErrorCallback* errorCallback)
53 : m_statementCallback(callback)
54 , m_statementErrorCallback(errorCallback)
55 {
56 }
57
~SQLStatement()58 SQLStatement::~SQLStatement()
59 {
60 }
61
trace(Visitor * visitor)62 void SQLStatement::trace(Visitor* visitor)
63 {
64 visitor->trace(m_backend);
65 visitor->trace(m_statementCallback);
66 visitor->trace(m_statementErrorCallback);
67 }
68
setBackend(SQLStatementBackend * backend)69 void SQLStatement::setBackend(SQLStatementBackend* backend)
70 {
71 m_backend = backend;
72 }
73
hasCallback()74 bool SQLStatement::hasCallback()
75 {
76 return m_statementCallback;
77 }
78
hasErrorCallback()79 bool SQLStatement::hasErrorCallback()
80 {
81 return m_statementErrorCallback;
82 }
83
performCallback(SQLTransaction * transaction)84 bool SQLStatement::performCallback(SQLTransaction* transaction)
85 {
86 ASSERT(transaction);
87 ASSERT(m_backend);
88
89 bool callbackError = false;
90
91 SQLStatementCallback* callback = m_statementCallback.release();
92 SQLStatementErrorCallback* errorCallback = m_statementErrorCallback.release();
93 SQLErrorData* error = m_backend->sqlError();
94
95 // Call the appropriate statement callback and track if it resulted in an error,
96 // because then we need to jump to the transaction error callback.
97 if (error) {
98 if (errorCallback) {
99 RefPtrWillBeRawPtr<SQLError> sqlError = SQLError::create(*error);
100 callbackError = errorCallback->handleEvent(transaction, sqlError.get());
101 }
102 } else if (callback) {
103 RefPtrWillBeRawPtr<SQLResultSet> resultSet = m_backend->sqlResultSet();
104 callbackError = !callback->handleEvent(transaction, resultSet.get());
105 }
106
107 return callbackError;
108 }
109
110 } // namespace blink
111