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1 /*
2  * Copyright (C) 2011 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
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  *
14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include "config.h"
27 #include "IDBTransactionBackendProxy.h"
28 
29 #if ENABLE(INDEXED_DATABASE)
30 
31 #include "IDBObjectStoreBackendProxy.h"
32 #include "IDBTransactionCallbacks.h"
33 #include "WebIDBDatabaseError.h"
34 #include "WebIDBObjectStore.h"
35 #include "WebIDBTransaction.h"
36 #include "WebIDBTransactionCallbacksImpl.h"
37 
38 using namespace WebCore;
39 
40 namespace WebKit {
41 
create(PassOwnPtr<WebIDBTransaction> transaction)42 PassRefPtr<IDBTransactionBackendInterface> IDBTransactionBackendProxy::create(PassOwnPtr<WebIDBTransaction> transaction)
43 {
44     return adoptRef(new IDBTransactionBackendProxy(transaction));
45 }
46 
IDBTransactionBackendProxy(PassOwnPtr<WebIDBTransaction> transaction)47 IDBTransactionBackendProxy::IDBTransactionBackendProxy(PassOwnPtr<WebIDBTransaction> transaction)
48     : m_webIDBTransaction(transaction)
49 {
50     ASSERT(m_webIDBTransaction);
51 }
52 
~IDBTransactionBackendProxy()53 IDBTransactionBackendProxy::~IDBTransactionBackendProxy()
54 {
55 }
56 
objectStore(const String & name,ExceptionCode & ec)57 PassRefPtr<IDBObjectStoreBackendInterface> IDBTransactionBackendProxy::objectStore(const String& name, ExceptionCode& ec)
58 {
59     WebIDBObjectStore* objectStore = m_webIDBTransaction->objectStore(name, ec);
60     if (!objectStore)
61         return 0;
62     return IDBObjectStoreBackendProxy::create(objectStore);
63 }
64 
mode() const65 unsigned short IDBTransactionBackendProxy::mode() const
66 {
67     return m_webIDBTransaction->mode();
68 }
69 
abort()70 void IDBTransactionBackendProxy::abort()
71 {
72     m_webIDBTransaction->abort();
73 }
74 
scheduleTask(PassOwnPtr<ScriptExecutionContext::Task>,PassOwnPtr<ScriptExecutionContext::Task>)75 bool IDBTransactionBackendProxy::scheduleTask(PassOwnPtr<ScriptExecutionContext::Task>, PassOwnPtr<ScriptExecutionContext::Task>)
76 {
77     // This should never be reached as it's the impl objects who get to
78     // execute tasks in the browser process.
79     ASSERT_NOT_REACHED();
80     return false;
81 }
82 
didCompleteTaskEvents()83 void IDBTransactionBackendProxy::didCompleteTaskEvents()
84 {
85     m_webIDBTransaction->didCompleteTaskEvents();
86 }
87 
setCallbacks(IDBTransactionCallbacks * callbacks)88 void IDBTransactionBackendProxy::setCallbacks(IDBTransactionCallbacks* callbacks)
89 {
90     m_webIDBTransaction->setCallbacks(new WebIDBTransactionCallbacksImpl(callbacks));
91 }
92 
93 } // namespace WebKit
94 
95 #endif // ENABLE(INDEXED_DATABASE)
96