1 /*
2 * Copyright (C) 2010 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 "IDBObjectStore.h"
28
29 #if ENABLE(INDEXED_DATABASE)
30
31 #include "DOMStringList.h"
32 #include "IDBAny.h"
33 #include "IDBDatabaseException.h"
34 #include "IDBIndex.h"
35 #include "IDBKey.h"
36 #include "IDBKeyRange.h"
37 #include "IDBTransaction.h"
38 #include "SerializedScriptValue.h"
39 #include <wtf/UnusedParam.h>
40
41 namespace WebCore {
42
43 static const unsigned short defaultDirection = IDBCursor::NEXT;
44
IDBObjectStore(PassRefPtr<IDBObjectStoreBackendInterface> idbObjectStore,IDBTransaction * transaction)45 IDBObjectStore::IDBObjectStore(PassRefPtr<IDBObjectStoreBackendInterface> idbObjectStore, IDBTransaction* transaction)
46 : m_objectStore(idbObjectStore)
47 , m_transaction(transaction)
48 {
49 ASSERT(m_objectStore);
50 ASSERT(m_transaction);
51 // We pass a reference to this object before it can be adopted.
52 relaxAdoptionRequirement();
53 }
54
name() const55 String IDBObjectStore::name() const
56 {
57 return m_objectStore->name();
58 }
59
keyPath() const60 String IDBObjectStore::keyPath() const
61 {
62 return m_objectStore->keyPath();
63 }
64
indexNames() const65 PassRefPtr<DOMStringList> IDBObjectStore::indexNames() const
66 {
67 return m_objectStore->indexNames();
68 }
69
get(ScriptExecutionContext * context,PassRefPtr<IDBKey> key,ExceptionCode & ec)70 PassRefPtr<IDBRequest> IDBObjectStore::get(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, ExceptionCode& ec)
71 {
72 RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
73 m_objectStore->get(key, request, m_transaction->backend(), ec);
74 if (ec) {
75 request->markEarlyDeath();
76 return 0;
77 }
78 return request.release();
79 }
80
add(ScriptExecutionContext * context,PassRefPtr<SerializedScriptValue> value,PassRefPtr<IDBKey> key,ExceptionCode & ec)81 PassRefPtr<IDBRequest> IDBObjectStore::add(ScriptExecutionContext* context, PassRefPtr<SerializedScriptValue> value, PassRefPtr<IDBKey> key, ExceptionCode& ec)
82 {
83 RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
84 m_objectStore->put(value, key, IDBObjectStoreBackendInterface::AddOnly, request, m_transaction->backend(), ec);
85 if (ec) {
86 request->markEarlyDeath();
87 return 0;
88 }
89 return request.release();
90 }
91
put(ScriptExecutionContext * context,PassRefPtr<SerializedScriptValue> value,PassRefPtr<IDBKey> key,ExceptionCode & ec)92 PassRefPtr<IDBRequest> IDBObjectStore::put(ScriptExecutionContext* context, PassRefPtr<SerializedScriptValue> value, PassRefPtr<IDBKey> key, ExceptionCode& ec)
93 {
94 RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
95 m_objectStore->put(value, key, IDBObjectStoreBackendInterface::AddOrUpdate, request, m_transaction->backend(), ec);
96 if (ec) {
97 request->markEarlyDeath();
98 return 0;
99 }
100 return request.release();
101 }
102
deleteFunction(ScriptExecutionContext * context,PassRefPtr<IDBKey> key,ExceptionCode & ec)103 PassRefPtr<IDBRequest> IDBObjectStore::deleteFunction(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, ExceptionCode& ec)
104 {
105 RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
106 m_objectStore->deleteFunction(key, request, m_transaction->backend(), ec);
107 if (ec) {
108 request->markEarlyDeath();
109 return 0;
110 }
111 return request.release();
112 }
113
clear(ScriptExecutionContext * context,ExceptionCode & ec)114 PassRefPtr<IDBRequest> IDBObjectStore::clear(ScriptExecutionContext* context, ExceptionCode& ec)
115 {
116 RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
117 m_objectStore->clear(request, m_transaction->backend(), ec);
118 if (ec) {
119 request->markEarlyDeath();
120 return 0;
121 }
122 return request.release();
123 }
124
createIndex(const String & name,const String & keyPath,const OptionsObject & options,ExceptionCode & ec)125 PassRefPtr<IDBIndex> IDBObjectStore::createIndex(const String& name, const String& keyPath, const OptionsObject& options, ExceptionCode& ec)
126 {
127 bool unique = false;
128 options.getKeyBool("unique", unique);
129
130 RefPtr<IDBIndexBackendInterface> index = m_objectStore->createIndex(name, keyPath, unique, m_transaction->backend(), ec);
131 ASSERT(!index != !ec); // If we didn't get an index, we should have gotten an exception code. And vice versa.
132 if (!index)
133 return 0;
134 return IDBIndex::create(index.release(), this, m_transaction.get());
135 }
136
index(const String & name,ExceptionCode & ec)137 PassRefPtr<IDBIndex> IDBObjectStore::index(const String& name, ExceptionCode& ec)
138 {
139 RefPtr<IDBIndexBackendInterface> index = m_objectStore->index(name, ec);
140 ASSERT(!index != !ec); // If we didn't get an index, we should have gotten an exception code. And vice versa.
141 if (!index)
142 return 0;
143 return IDBIndex::create(index.release(), this, m_transaction.get());
144 }
145
deleteIndex(const String & name,ExceptionCode & ec)146 void IDBObjectStore::deleteIndex(const String& name, ExceptionCode& ec)
147 {
148 m_objectStore->deleteIndex(name, m_transaction->backend(), ec);
149 }
150
openCursor(ScriptExecutionContext * context,PassRefPtr<IDBKeyRange> range,unsigned short direction,ExceptionCode & ec)151 PassRefPtr<IDBRequest> IDBObjectStore::openCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> range, unsigned short direction, ExceptionCode& ec)
152 {
153 if (direction != IDBCursor::NEXT && direction != IDBCursor::NEXT_NO_DUPLICATE && direction != IDBCursor::PREV && direction != IDBCursor::PREV_NO_DUPLICATE) {
154 // FIXME: May need to change when specced: http://www.w3.org/Bugs/Public/show_bug.cgi?id=11406
155 ec = IDBDatabaseException::CONSTRAINT_ERR;
156 return 0;
157 }
158
159 RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
160 request->setCursorType(IDBCursorBackendInterface::ObjectStoreCursor);
161 m_objectStore->openCursor(range, direction, request, m_transaction->backend(), ec);
162 if (ec) {
163 request->markEarlyDeath();
164 return 0;
165 }
166 return request.release();
167 }
168
169 } // namespace WebCore
170
171 #endif // ENABLE(INDEXED_DATABASE)
172