1 files changed, 108 insertions, 0 deletions
diff --git a/WebCore/storage/IDBDatabase.cpp b/WebCore/storage/IDBDatabase.cpp
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+++ b/WebCore/storage/IDBDatabase.cpp
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+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "IDBDatabase.h"
+
+#include "IDBAny.h"
+#include "IDBDatabaseError.h"
+#include "IDBDatabaseException.h"
+#include "IDBFactoryBackendInterface.h"
+#include "IDBIndex.h"
+#include "IDBObjectStore.h"
+#include "IDBRequest.h"
+#include "IDBTransaction.h"
+#include "ScriptExecutionContext.h"
+
+#if ENABLE(INDEXED_DATABASE)
+
+namespace WebCore {
+
+IDBDatabase::IDBDatabase(PassRefPtr<IDBDatabaseBackendInterface> backend)
+    : m_backend(backend)
+{
+    // We pass a reference of this object before it can be adopted.
+    relaxAdoptionRequirement();
+}
+
+IDBDatabase::~IDBDatabase()
+{
+}
+
+void IDBDatabase::setSetVersionTransaction(IDBTransactionBackendInterface* transaction)
+{
+    m_setVersionTransaction = transaction;
+}
+
+PassRefPtr<IDBObjectStore> IDBDatabase::createObjectStore(const String& name, const String& keyPath, bool autoIncrement, ExceptionCode& ec)
+{
+    if (!m_setVersionTransaction) {
+        ec = IDBDatabaseException::NOT_ALLOWED_ERR;
+        return 0;
+    }
+
+    RefPtr<IDBObjectStoreBackendInterface> objectStore = m_backend->createObjectStore(name, keyPath, autoIncrement, m_setVersionTransaction.get(), ec);
+    if (!objectStore)
+        return 0;
+    return IDBObjectStore::create(objectStore.release(), m_setVersionTransaction.get());
+}
+
+void IDBDatabase::removeObjectStore(const String& name, ExceptionCode& ec)
+{
+    if (!m_setVersionTransaction) {
+        ec = IDBDatabaseException::NOT_ALLOWED_ERR;
+        return;
+    }
+
+    m_backend->removeObjectStore(name, m_setVersionTransaction.get(), ec);
+}
+
+PassRefPtr<IDBRequest> IDBDatabase::setVersion(ScriptExecutionContext* context, const String& version, ExceptionCode& ec)
+{
+    RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), 0);
+    m_backend->setVersion(version, request, ec);
+    return request;
+}
+
+PassRefPtr<IDBTransaction> IDBDatabase::transaction(ScriptExecutionContext* context, DOMStringList* storeNames, unsigned short mode, unsigned long timeout, ExceptionCode& ec)
+{
+    // We need to create a new transaction synchronously. Locks are acquired asynchronously. Operations
+    // can be queued against the transaction at any point. They will start executing as soon as the
+    // appropriate locks have been acquired.
+    // Also note that each backend object corresponds to exactly one IDBTransaction object.
+    RefPtr<IDBTransactionBackendInterface> transactionBackend = m_backend->transaction(storeNames, mode, timeout, ec);
+    RefPtr<IDBTransaction> transaction = IDBTransaction::create(context, transactionBackend, this);
+    transactionBackend->setCallbacks(transaction.get());
+    return transaction.release();
+}
+
+void IDBDatabase::close()
+{
+    m_backend->close();
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)