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 "IDBObjectStoreBackendProxy.h"
28
29#if ENABLE(INDEXED_DATABASE)
30
31#include "DOMStringList.h"
32#include "IDBCallbacks.h"
33#include "IDBIndexBackendProxy.h"
34#include "IDBKeyRange.h"
35#include "IDBTransactionBackendProxy.h"
36#include "WebIDBCallbacksImpl.h"
37#include "WebIDBKeyRange.h"
38#include "WebIDBIndex.h"
39#include "WebIDBKey.h"
40#include "WebIDBObjectStore.h"
41#include "WebIDBTransactionImpl.h"
42#include "WebSerializedScriptValue.h"
43
44using namespace WebCore;
45
46namespace WebKit {
47
48PassRefPtr<IDBObjectStoreBackendInterface> IDBObjectStoreBackendProxy::create(PassOwnPtr<WebIDBObjectStore> objectStore)
49{
50    return adoptRef(new IDBObjectStoreBackendProxy(objectStore));
51}
52
53IDBObjectStoreBackendProxy::IDBObjectStoreBackendProxy(PassOwnPtr<WebIDBObjectStore> objectStore)
54    : m_webIDBObjectStore(objectStore)
55{
56}
57
58IDBObjectStoreBackendProxy::~IDBObjectStoreBackendProxy()
59{
60}
61
62String IDBObjectStoreBackendProxy::name() const
63{
64    return m_webIDBObjectStore->name();
65}
66
67String IDBObjectStoreBackendProxy::keyPath() const
68{
69    return m_webIDBObjectStore->keyPath();
70}
71
72PassRefPtr<DOMStringList> IDBObjectStoreBackendProxy::indexNames() const
73{
74    return m_webIDBObjectStore->indexNames();
75}
76
77void IDBObjectStoreBackendProxy::get(PassRefPtr<IDBKey> key, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
78{
79    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
80    // all implementations of IDB interfaces are proxy objects.
81    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
82    m_webIDBObjectStore->get(key, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
83}
84
85void IDBObjectStoreBackendProxy::put(PassRefPtr<SerializedScriptValue> value, PassRefPtr<IDBKey> key, PutMode putMode, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
86{
87    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
88    // all implementations of IDB interfaces are proxy objects.
89    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
90    m_webIDBObjectStore->put(value, key, static_cast<WebIDBObjectStore::PutMode>(putMode), new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
91}
92
93void IDBObjectStoreBackendProxy::deleteFunction(PassRefPtr<IDBKey> key, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
94{
95    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
96    // all implementations of IDB interfaces are proxy objects.
97    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
98    m_webIDBObjectStore->deleteFunction(key, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
99}
100
101void IDBObjectStoreBackendProxy::clear(PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
102{
103    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
104    // all implementations of IDB interfaces are proxy objects.
105    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
106    m_webIDBObjectStore->clear(new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
107}
108
109PassRefPtr<IDBIndexBackendInterface> IDBObjectStoreBackendProxy::createIndex(const String& name, const String& keyPath, bool unique, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
110{
111    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
112    // all implementations of IDB interfaces are proxy objects.
113    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
114    WebIDBIndex* index = m_webIDBObjectStore->createIndex(name, keyPath, unique, *transactionProxy->getWebIDBTransaction(), ec);
115    if (!index)
116        return 0;
117    return IDBIndexBackendProxy::create(index);
118}
119
120PassRefPtr<IDBIndexBackendInterface> IDBObjectStoreBackendProxy::index(const String& name, ExceptionCode& ec)
121{
122    WebIDBIndex* index = m_webIDBObjectStore->index(name, ec);
123    if (!index)
124        return 0;
125    return IDBIndexBackendProxy::create(index);
126}
127
128void IDBObjectStoreBackendProxy::deleteIndex(const String& name, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
129{
130    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
131    // all implementations of IDB interfaces are proxy objects.
132    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
133    m_webIDBObjectStore->deleteIndex(name, *transactionProxy->getWebIDBTransaction(), ec);
134}
135
136void IDBObjectStoreBackendProxy::openCursor(PassRefPtr<IDBKeyRange> range, unsigned short direction, PassRefPtr<IDBCallbacks> callbacks, IDBTransactionBackendInterface* transaction, ExceptionCode& ec)
137{
138    // The transaction pointer is guaranteed to be a pointer to a proxy object as, in the renderer,
139    // all implementations of IDB interfaces are proxy objects.
140    IDBTransactionBackendProxy* transactionProxy = static_cast<IDBTransactionBackendProxy*>(transaction);
141    m_webIDBObjectStore->openCursor(range, direction, new WebIDBCallbacksImpl(callbacks), *transactionProxy->getWebIDBTransaction(), ec);
142}
143
144} // namespace WebKit
145
146#endif // ENABLE(INDEXED_DATABASE)
147