1/*
2 * Copyright (C) 2007 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#include "config.h"
30
31#if ENABLE(SQL_DATABASE)
32
33#include "JSSQLStatementErrorCallback.h"
34
35#include "JSSQLError.h"
36#include "JSSQLTransaction.h"
37#include "ScriptExecutionContext.h"
38#include <runtime/JSLock.h>
39#include <wtf/Ref.h>
40
41namespace WebCore {
42
43using namespace JSC;
44
45bool JSSQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error)
46{
47    if (!m_data || !m_data->globalObject() || !canInvokeCallback())
48        return true;
49
50    Ref<JSSQLStatementErrorCallback> protect(*this);
51
52    JSC::JSLockHolder lock(m_data->globalObject()->vm());
53
54    ExecState* exec = m_data->globalObject()->globalExec();
55    MarkedArgumentBuffer args;
56    args.append(toJS(exec, m_data->globalObject(), transaction));
57    args.append(toJS(exec, m_data->globalObject(), error));
58
59    bool raisedException = false;
60    JSValue result = m_data->invokeCallback(args, &raisedException);
61    if (raisedException) {
62        // The spec says:
63        // "If the error callback returns false, then move on to the next statement..."
64        // "Otherwise, the error callback did not return false, or there was no error callback"
65        // Therefore an exception and returning true are the same thing - so, return true on an exception
66        return true;
67    }
68    return result.toBoolean(exec);
69}
70
71}
72
73#endif // ENABLE(SQL_DATABASE)
74