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 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
29 #include "config.h"
30 #include "JSCustomSQLStatementErrorCallback.h"
31
32 #if ENABLE(DATABASE)
33
34 #include "Frame.h"
35 #include "JSCallbackData.h"
36 #include "JSSQLError.h"
37 #include "JSSQLTransaction.h"
38 #include "ScriptController.h"
39 #include <runtime/JSLock.h>
40 #include <wtf/MainThread.h>
41
42 namespace WebCore {
43
44 using namespace JSC;
45
JSCustomSQLStatementErrorCallback(JSObject * callback,JSDOMGlobalObject * globalObject)46 JSCustomSQLStatementErrorCallback::JSCustomSQLStatementErrorCallback(JSObject* callback, JSDOMGlobalObject* globalObject)
47 : m_data(new JSCallbackData(callback, globalObject))
48 {
49 }
50
~JSCustomSQLStatementErrorCallback()51 JSCustomSQLStatementErrorCallback::~JSCustomSQLStatementErrorCallback()
52 {
53 callOnMainThread(JSCallbackData::deleteData, m_data);
54 #ifndef NDEBUG
55 m_data = 0;
56 #endif
57 }
58
handleEvent(SQLTransaction * transaction,SQLError * error)59 bool JSCustomSQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error)
60 {
61 ASSERT(m_data);
62
63 RefPtr<JSCustomSQLStatementErrorCallback> protect(this);
64
65 JSC::JSLock lock(SilenceAssertionsOnly);
66 ExecState* exec = m_data->globalObject()->globalExec();
67 MarkedArgumentBuffer args;
68 args.append(toJS(exec, deprecatedGlobalObjectForPrototype(exec), transaction));
69 args.append(toJS(exec, deprecatedGlobalObjectForPrototype(exec), error));
70
71 bool raisedException = false;
72 JSValue result = m_data->invokeCallback(args, &raisedException);
73 if (raisedException) {
74 // The spec says:
75 // "If the error callback returns false, then move on to the next statement..."
76 // "Otherwise, the error callback did not return false, or there was no error callback"
77 // Therefore an exception and returning true are the same thing - so, return true on an exception
78 return true;
79 }
80 return result.toBoolean(exec);
81 }
82
83 }
84
85 #endif // ENABLE(DATABASE)
86