2 * Copyright (C) 2011 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include "IDBFactoryBackendImpl.h"
32 #include "DOMStringList.h"
33 #include "IDBDatabaseBackendImpl.h"
34 #include "IDBDatabaseException.h"
35 #include "IDBLevelDBBackingStore.h"
36 #include "IDBTransactionCoordinator.h"
37 #include "SecurityOrigin.h"
38 #include <wtf/Threading.h>
39 #include <wtf/UnusedParam.h>
41 #if ENABLE(INDEXED_DATABASE)
45 static String computeFileIdentifier(SecurityOrigin* securityOrigin)
47 static const char kLevelDBFileSuffix[] = "@1";
48 return securityOrigin->databaseIdentifier() + kLevelDBFileSuffix;
51 static String computeUniqueIdentifier(const String& name, SecurityOrigin* securityOrigin)
53 return computeFileIdentifier(securityOrigin) + name;
56 IDBFactoryBackendImpl::IDBFactoryBackendImpl()
57 : m_transactionCoordinator(IDBTransactionCoordinator::create())
61 IDBFactoryBackendImpl::~IDBFactoryBackendImpl()
65 void IDBFactoryBackendImpl::removeIDBDatabaseBackend(const String& uniqueIdentifier)
67 ASSERT(m_databaseBackendMap.contains(uniqueIdentifier));
68 m_databaseBackendMap.remove(uniqueIdentifier);
71 void IDBFactoryBackendImpl::addIDBBackingStore(const String& fileIdentifier, IDBBackingStore* backingStore)
73 ASSERT(!m_backingStoreMap.contains(fileIdentifier));
74 m_backingStoreMap.set(fileIdentifier, backingStore);
77 void IDBFactoryBackendImpl::removeIDBBackingStore(const String& fileIdentifier)
79 ASSERT(m_backingStoreMap.contains(fileIdentifier));
80 m_backingStoreMap.remove(fileIdentifier);
83 void IDBFactoryBackendImpl::getDatabaseNames(PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<SecurityOrigin> securityOrigin, Frame*, const String& dataDir)
85 RefPtr<IDBBackingStore> backingStore = openBackingStore(securityOrigin, dataDir);
87 callbacks->onError(IDBDatabaseError::create(IDBDatabaseException::UNKNOWN_ERR, "Internal error."));
91 RefPtr<DOMStringList> databaseNames = DOMStringList::create();
93 Vector<String> foundNames;
94 backingStore->getDatabaseNames(foundNames);
95 for (Vector<String>::const_iterator it = foundNames.begin(); it != foundNames.end(); ++it)
96 databaseNames->append(*it);
98 callbacks->onSuccess(databaseNames.release());
101 #if ENABLE(TIZEN_INDEXED_DATABASE)
102 void IDBFactoryBackendImpl::open(ScriptExecutionContext* context, const String& name, PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<SecurityOrigin> securityOrigin, Frame*, const String& dataDir)
104 void IDBFactoryBackendImpl::open(const String& name, PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<SecurityOrigin> securityOrigin, Frame*, const String& dataDir)
105 #endif // TIZEN_INDEXED_DATABASE
107 const String uniqueIdentifier = computeUniqueIdentifier(name, securityOrigin.get());
109 IDBDatabaseBackendMap::iterator it = m_databaseBackendMap.find(uniqueIdentifier);
110 if (it != m_databaseBackendMap.end()) {
111 // If it's already been opened, we have to wait for any pending
112 // setVersion calls to complete.
113 it->second->openConnection(callbacks);
117 // FIXME: Everything from now on should be done on another thread.
118 RefPtr<IDBBackingStore> backingStore = openBackingStore(securityOrigin, dataDir);
120 callbacks->onError(IDBDatabaseError::create(IDBDatabaseException::UNKNOWN_ERR, "Internal error."));
124 #if ENABLE(TIZEN_INDEXED_DATABASE)
125 RefPtr<IDBDatabaseBackendImpl> databaseBackend = IDBDatabaseBackendImpl::create(context, name, backingStore.get(), m_transactionCoordinator.get(), this, uniqueIdentifier);
127 RefPtr<IDBDatabaseBackendImpl> databaseBackend = IDBDatabaseBackendImpl::create(name, backingStore.get(), m_transactionCoordinator.get(), this, uniqueIdentifier);
128 #endif // TIZEN_INDEXED_DATABASE
129 callbacks->onSuccess(databaseBackend.get());
130 m_databaseBackendMap.set(uniqueIdentifier, databaseBackend.get());
133 #if ENABLE(TIZEN_INDEXED_DATABASE)
134 void IDBFactoryBackendImpl::deleteDatabase(ScriptExecutionContext* context, const String& name, PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<SecurityOrigin> securityOrigin, Frame*, const String& dataDir)
136 void IDBFactoryBackendImpl::deleteDatabase(const String& name, PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<SecurityOrigin> securityOrigin, Frame*, const String& dataDir)
137 #endif // TIZEN_INDEXED_DATABASE
139 const String uniqueIdentifier = computeUniqueIdentifier(name, securityOrigin.get());
141 IDBDatabaseBackendMap::iterator it = m_databaseBackendMap.find(uniqueIdentifier);
142 if (it != m_databaseBackendMap.end()) {
143 // If there are any connections to the database, directly delete the
145 it->second->deleteDatabase(callbacks);
149 // FIXME: Everything from now on should be done on another thread.
150 RefPtr<IDBBackingStore> backingStore = openBackingStore(securityOrigin, dataDir);
152 callbacks->onError(IDBDatabaseError::create(IDBDatabaseException::UNKNOWN_ERR, "Internal error."));
156 #if ENABLE(TIZEN_INDEXED_DATABASE)
157 RefPtr<IDBDatabaseBackendImpl> databaseBackend = IDBDatabaseBackendImpl::create(context, name, backingStore.get(), m_transactionCoordinator.get(), this, uniqueIdentifier);
159 RefPtr<IDBDatabaseBackendImpl> databaseBackend = IDBDatabaseBackendImpl::create(name, backingStore.get(), m_transactionCoordinator.get(), this, uniqueIdentifier);
160 #endif // TIZEN_INDEXED_DATABASE
161 m_databaseBackendMap.set(uniqueIdentifier, databaseBackend.get());
162 databaseBackend->deleteDatabase(callbacks);
165 PassRefPtr<IDBBackingStore> IDBFactoryBackendImpl::openBackingStore(PassRefPtr<SecurityOrigin> securityOrigin, const String& dataDir)
167 const String fileIdentifier = computeFileIdentifier(securityOrigin.get());
169 RefPtr<IDBBackingStore> backingStore;
170 IDBBackingStoreMap::iterator it2 = m_backingStoreMap.find(fileIdentifier);
171 if (it2 != m_backingStoreMap.end())
172 backingStore = it2->second;
175 backingStore = IDBLevelDBBackingStore::open(securityOrigin.get(), dataDir, fileIdentifier, this);
177 ASSERT_NOT_REACHED();
182 return backingStore.release();
187 } // namespace WebCore
189 #endif // ENABLE(INDEXED_DATABASE)