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 "IDBDatabaseBackendProxy.h"
28
29#if ENABLE(INDEXED_DATABASE)
30
31#include "DOMStringList.h"
32#include "IDBCallbacks.h"
33#include "IDBDatabaseCallbacks.h"
34#include "IDBObjectStoreBackendProxy.h"
35#include "IDBTransactionBackendProxy.h"
36#include "WebDOMStringList.h"
37#include "WebFrameImpl.h"
38#include "WebIDBCallbacksImpl.h"
39#include "WebIDBDatabase.h"
40#include "WebIDBDatabaseCallbacksImpl.h"
41#include "WebIDBDatabaseError.h"
42#include "WebIDBObjectStore.h"
43#include "WebIDBTransaction.h"
44
45using namespace WebCore;
46
47namespace WebKit {
48
49PassRefPtr<IDBDatabaseBackendInterface> IDBDatabaseBackendProxy::create(PassOwnPtr<WebIDBDatabase> database)
50{
51    return adoptRef(new IDBDatabaseBackendProxy(database));
52}
53
54IDBDatabaseBackendProxy::IDBDatabaseBackendProxy(PassOwnPtr<WebIDBDatabase> database)
55    : m_webIDBDatabase(database)
56{
57}
58
59IDBDatabaseBackendProxy::~IDBDatabaseBackendProxy()
60{
61}
62
63String IDBDatabaseBackendProxy::name() const
64{
65    return m_webIDBDatabase->name();
66}
67
68String IDBDatabaseBackendProxy::version() const
69{
70    return m_webIDBDatabase->version();
71}
72
73PassRefPtr<DOMStringList> IDBDatabaseBackendProxy::objectStoreNames() const
74{
75    return m_webIDBDatabase->objectStoreNames();
76}
77
78PassRefPtr<IDBObjectStoreBackendInterface> IDBDatabaseBackendProxy::createObjectStore(const String& name, const String& keyPath, bool autoIncrement, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
79{
80    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
81    // all implementations of IDB interfaces are proxy objects.
82    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
83    WebIDBObjectStore* objectStore = m_webIDBDatabase->createObjectStore(name, keyPath, autoIncrement, *transactionProxy->getWebIDBTransaction(), ec);
84    if (!objectStore)
85        return 0;
86    return IDBObjectStoreBackendProxy::create(objectStore);
87}
88
89void IDBDatabaseBackendProxy::deleteObjectStore(const String& name, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
90{
91    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
92    // all implementations of IDB interfaces are proxy objects.
93    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
94    m_webIDBDatabase->deleteObjectStore(name, *transactionProxy->getWebIDBTransaction(), ec);
95}
96
97void IDBDatabaseBackendProxy::setVersion(const String& version, PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<IDBDatabaseCallbacks> databaseCallbacks, ExceptionCode& ec)
98{
99    m_webIDBDatabase->setVersion(version, new WebIDBCallbacksImpl(callbacks), ec);
100}
101
102PassRefPtr<IDBTransactionBackendInterface> IDBDatabaseBackendProxy::transaction(DOMStringList* storeNames, unsigned short mode, ExceptionCode& ec)
103{
104    WebDOMStringList names(storeNames);
105    WebIDBTransaction* transaction = m_webIDBDatabase->transaction(names, mode, ec);
106    if (!transaction) {
107        ASSERT(ec);
108        return 0;
109    }
110    return IDBTransactionBackendProxy::create(transaction);
111}
112
113void IDBDatabaseBackendProxy::close(PassRefPtr<IDBDatabaseCallbacks>)
114{
115    m_webIDBDatabase->close();
116}
117
118void IDBDatabaseBackendProxy::open(PassRefPtr<IDBDatabaseCallbacks> databaseCallbacks)
119{
120    m_webIDBDatabase->open(new WebIDBDatabaseCallbacksImpl(databaseCallbacks));
121}
122
123} // namespace WebKit
124
125#endif // ENABLE(INDEXED_DATABASE)
126