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
33 #if ENABLE(DATABASE)
34
35 #include "V8CustomSQLStatementErrorCallback.h"
36
37 #include "Frame.h"
38 #include "V8CustomVoidCallback.h"
39
40 namespace WebCore {
41
V8CustomSQLStatementErrorCallback(v8::Local<v8::Object> callback,Frame * frame)42 V8CustomSQLStatementErrorCallback::V8CustomSQLStatementErrorCallback(v8::Local<v8::Object> callback, Frame* frame)
43 : m_callback(v8::Persistent<v8::Object>::New(callback))
44 , m_frame(frame)
45 {
46 }
47
~V8CustomSQLStatementErrorCallback()48 V8CustomSQLStatementErrorCallback::~V8CustomSQLStatementErrorCallback()
49 {
50 m_callback.Dispose();
51 }
52
handleEvent(SQLTransaction * transaction,SQLError * error)53 bool V8CustomSQLStatementErrorCallback::handleEvent(SQLTransaction* transaction, SQLError* error)
54 {
55 LOCK_V8;
56 v8::HandleScope handleScope;
57
58 v8::Handle<v8::Context> context = V8Proxy::context(m_frame.get());
59 if (context.IsEmpty())
60 return true;
61
62 v8::Context::Scope scope(context);
63
64 v8::Handle<v8::Value> argv[] = {
65 V8DOMWrapper::convertToV8Object(V8ClassIndex::SQLTRANSACTION, transaction),
66 V8DOMWrapper::convertToV8Object(V8ClassIndex::SQLERROR, error)
67 };
68
69 // Protect the frame until the callback returns.
70 RefPtr<Frame> protector(m_frame);
71
72 bool callbackReturnValue = false;
73 // Step 6: If the error callback returns false, then move on to the next
74 // statement, if any, or onto the next overall step otherwise. Otherwise,
75 // the error callback did not return false, or there was no error callback.
76 // Jump to the last step in the overall steps.
77 return invokeCallback(m_callback, 2, argv, callbackReturnValue) || callbackReturnValue;
78 }
79
80 } // namespace WebCore
81
82 #endif
83
84