text: /*
   * 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
  
  #include "IDBFactoryBackendInterface.h"
  #include <wtf/HashMap.h>
  #include <wtf/text/StringHash.h>
  
  #if ENABLE(INDEXED_DATABASE)
  
  namespace WebCore {
  
  class DOMStringList;
  
  class IDBBackingStore;
  class IDBDatabaseBackendImpl;
  class IDBTransactionCoordinator;
  
  class IDBFactoryBackendImpl : public IDBFactoryBackendInterface {
  public:
      static PassRefPtr<IDBFactoryBackendImpl> create()
      {
          return adoptRef(new IDBFactoryBackendImpl());
      }
      virtual ~IDBFactoryBackendImpl();
  
      // Notifications from weak pointers.
      void removeIDBDatabaseBackend(const String& uniqueIdentifier);
      void addIDBBackingStore(const String& uniqueIdentifier, IDBBackingStore*);
      void removeIDBBackingStore(const String& uniqueIdentifier);
  
      virtual void open(const String& name, PassRefPtr<IDBCallbacks>, PassRefPtr<SecurityOrigin>, Frame*, const String& dataDir, int64_t maximumSize, BackingStoreType);
  
  private:
      IDBFactoryBackendImpl();
  
      typedef HashMap<String, IDBDatabaseBackendImpl*> IDBDatabaseBackendMap;
      IDBDatabaseBackendMap m_databaseBackendMap;
  
      typedef HashMap<String, IDBBackingStore*> IDBBackingStoreMap;
      IDBBackingStoreMap m_backingStoreMap;
  
      RefPtr<IDBTransactionCoordinator> m_transactionCoordinator;
  
      // Only one instance of the factory should exist at any given time.
      static IDBFactoryBackendImpl* idbFactoryBackendImpl;
  };
  
  } // namespace WebCore
  
  #endif
  
  #endif // IDBFactoryBackendImpl_h
  