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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.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 IDBFactoryBackendImpl_h
#define IDBFactoryBackendImpl_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBCallbacks.h"
#include "IDBDatabaseCallbacks.h"
#include "IDBFactoryBackendInterface.h"
#include "SecurityOrigin.h"
#include <wtf/HashMap.h>
#include <wtf/HashSet.h>
#include <wtf/RefCounted.h>
#include <wtf/WeakPtr.h>
#include <wtf/text/StringHash.h>
namespace WebCore {
class DOMStringList;
class IDBBackingStore;
class IDBDatabaseBackendImpl;
class IDBFactoryBackendImpl : public IDBFactoryBackendInterface {
public:
static PassRefPtr<IDBFactoryBackendImpl> create()
{
return adoptRef(new IDBFactoryBackendImpl());
}
virtual ~IDBFactoryBackendImpl();
// Notifications from weak pointers.
virtual void removeIDBDatabaseBackend(const String& uniqueIdentifier);
virtual void getDatabaseNames(PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, ScriptExecutionContext*, const String& dataDir);
virtual void open(const String& name, int64_t version, int64_t transactionId, PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, PassRefPtr<SecurityOrigin>, ScriptExecutionContext*, const String& dataDir);
virtual void deleteDatabase(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, ScriptExecutionContext*, const String& dataDir);
protected:
IDBFactoryBackendImpl();
virtual PassRefPtr<IDBBackingStore> openBackingStore(PassRefPtr<SecurityOrigin>, const String& dataDir);
private:
typedef HashMap<String, RefPtr<IDBDatabaseBackendImpl> > IDBDatabaseBackendMap;
IDBDatabaseBackendMap m_databaseBackendMap;
typedef HashMap<String, WeakPtr<IDBBackingStore> > IDBBackingStoreMap;
IDBBackingStoreMap m_backingStoreMap;
HashSet<RefPtr<IDBBackingStore> > m_sessionOnlyBackingStores;
// Only one instance of the factory should exist at any given time.
static IDBFactoryBackendImpl* idbFactoryBackendImpl;
};
} // namespace WebCore
#endif
#endif // IDBFactoryBackendImpl_h
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