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 "V8CustomSQLTransactionCallback.h"
36
37 #include "Frame.h"
38 #include "V8CustomVoidCallback.h"
39 #include "V8SQLTransaction.h"
40
41 namespace WebCore {
42
V8CustomSQLTransactionCallback(v8::Local<v8::Object> callback,Frame * frame)43 V8CustomSQLTransactionCallback::V8CustomSQLTransactionCallback(v8::Local<v8::Object> callback, Frame* frame)
44 : m_callback(v8::Persistent<v8::Object>::New(callback))
45 , m_frame(frame)
46 {
47 }
48
~V8CustomSQLTransactionCallback()49 V8CustomSQLTransactionCallback::~V8CustomSQLTransactionCallback()
50 {
51 m_callback.Dispose();
52 }
53
54
handleEvent(SQLTransaction * transaction,bool & raisedException)55 void V8CustomSQLTransactionCallback::handleEvent(SQLTransaction* transaction, bool& raisedException)
56 {
57 v8::HandleScope handleScope;
58
59 v8::Handle<v8::Context> context = V8Proxy::context(m_frame.get());
60 if (context.IsEmpty())
61 return;
62
63 v8::Context::Scope scope(context);
64
65 v8::Handle<v8::Value> argv[] = {
66 toV8(transaction)
67 };
68
69 // Protect the frame until the callback returns.
70 RefPtr<Frame> protector(m_frame);
71
72 // Step 5: If the callback couldn't be called (e.g. it was null) or if
73 // the callback was invoked and raised an exception, jump to the last
74 // step (rollback transaction).
75 bool callbackReturnValue = false;
76 raisedException = invokeCallback(m_callback, 1, argv, callbackReturnValue);
77 }
78
79 } // namespace WebCore
80
81 #endif
82
83