Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 103 insertions, 0 deletions

diff --git a/Source/WebCore/storage/IDBDatabaseBackendImpl.h b/Source/WebCore/storage/IDBDatabaseBackendImpl.h
new file mode 100644
index 0000000..570f6a5
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+++ b/Source/WebCore/storage/IDBDatabaseBackendImpl.h
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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.
+ */
+
+#ifndef IDBDatabaseBackendImpl_h
+#define IDBDatabaseBackendImpl_h
+
+#include "IDBCallbacks.h"
+#include "IDBDatabase.h"
+#include <wtf/HashMap.h>
+#include <wtf/text/StringHash.h>
+
+#if ENABLE(INDEXED_DATABASE)
+
+namespace WebCore {
+
+class IDBFactoryBackendImpl;
+class IDBObjectStoreBackendImpl;
+class IDBSQLiteDatabase;
+class IDBTransactionCoordinator;
+class SQLiteDatabase;
+
+class IDBDatabaseBackendImpl : public IDBDatabaseBackendInterface {
+public:
+    static PassRefPtr<IDBDatabaseBackendImpl> create(const String& name, IDBSQLiteDatabase* database, IDBTransactionCoordinator* coordinator, IDBFactoryBackendImpl* factory, const String& uniqueIdentifier)
+    {
+        return adoptRef(new IDBDatabaseBackendImpl(name, database, coordinator, factory, uniqueIdentifier));
+    }
+    virtual ~IDBDatabaseBackendImpl();
+
+    SQLiteDatabase& sqliteDatabase() const;
+
+    static const int64_t InvalidId = 0;
+    int64_t id() const { return m_id; }
+
+    virtual String name() const { return m_name; }
+    virtual String version() const { return m_version; }
+    virtual PassRefPtr<DOMStringList> objectStoreNames() const;
+
+    virtual PassRefPtr<IDBObjectStoreBackendInterface> createObjectStore(const String& name, const String& keyPath, bool autoIncrement, IDBTransactionBackendInterface*, ExceptionCode&);
+    virtual void deleteObjectStore(const String& name, IDBTransactionBackendInterface*, ExceptionCode&);
+    virtual void setVersion(const String& version, PassRefPtr<IDBCallbacks>, ExceptionCode&);
+    virtual PassRefPtr<IDBTransactionBackendInterface> transaction(DOMStringList* objectStoreNames, unsigned short mode, unsigned long timeout, ExceptionCode&);
+    virtual void close();
+
+    PassRefPtr<IDBObjectStoreBackendInterface> objectStore(const String& name);
+    IDBTransactionCoordinator* transactionCoordinator() const { return m_transactionCoordinator.get(); }
+
+private:
+    IDBDatabaseBackendImpl(const String& name, IDBSQLiteDatabase* database, IDBTransactionCoordinator*, IDBFactoryBackendImpl*, const String& uniqueIdentifier);
+
+    void loadObjectStores();
+
+    static void createObjectStoreInternal(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>, PassRefPtr<IDBTransactionBackendInterface>);
+    static void deleteObjectStoreInternal(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>, PassRefPtr<IDBTransactionBackendInterface>);
+    static void setVersionInternal(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, const String& version, PassRefPtr<IDBCallbacks>, PassRefPtr<IDBTransactionBackendInterface>);
+
+    // These are used as setVersion transaction abort tasks.
+    static void removeObjectStoreFromMap(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>);
+    static void addObjectStoreToMap(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, PassRefPtr<IDBObjectStoreBackendImpl>);
+    static void resetVersion(ScriptExecutionContext*, PassRefPtr<IDBDatabaseBackendImpl>, const String& version);
+
+    RefPtr<IDBSQLiteDatabase> m_sqliteDatabase;
+    int64 m_id;
+    String m_name;
+    String m_version;
+
+    String m_identifier;
+    // This might not need to be a RefPtr since the factory's lifetime is that of the page group, but it's better to be conservitive than sorry.
+    RefPtr<IDBFactoryBackendImpl> m_factory;
+
+    typedef HashMap<String, RefPtr<IDBObjectStoreBackendImpl> > ObjectStoreMap;
+    ObjectStoreMap m_objectStores;
+
+    RefPtr<IDBTransactionCoordinator> m_transactionCoordinator;
+};
+
+} // namespace WebCore
+
+#endif
+
+#endif // IDBDatabaseBackendImpl_h