IDBFactoryBackendLevelDB.h   [plain text]

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 *     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
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#ifndef IDBFactoryBackendLevelDB_h
#define IDBFactoryBackendLevelDB_h

#if ENABLE(INDEXED_DATABASE) && USE(LEVELDB)

#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 IDBBackingStoreLevelDB;
class IDBDatabaseBackend;

class IDBFactoryBackendLevelDB : public IDBFactoryBackendInterface {
public:
    static PassRefPtr<IDBFactoryBackendLevelDB> create(const String& databaseDirectory)
    {
        return adoptRef(new IDBFactoryBackendLevelDB(databaseDirectory));
    }
    virtual ~IDBFactoryBackendLevelDB();

    // Notifications from weak pointers.
    virtual void removeIDBDatabaseBackend(const String& uniqueIdentifier) override final;

    virtual void getDatabaseNames(PassRefPtr<IDBCallbacks>, const SecurityOrigin& openingOrigin, const SecurityOrigin& mainFrameOrigin, ScriptExecutionContext*, const String& dataDir) override final;
    virtual void open(const String& name, uint64_t version, int64_t transactionId, PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, const SecurityOrigin& openingOrigin, const SecurityOrigin& mainFrameOrigin) override final;

    virtual void deleteDatabase(const String& name, const SecurityOrigin& openingOrigin, const SecurityOrigin& mainFrameOrigin, PassRefPtr<IDBCallbacks>, ScriptExecutionContext*, const String& dataDir) override final;

protected:
    virtual PassRefPtr<IDBBackingStoreLevelDB> openBackingStore(const SecurityOrigin&, const String& dataDir);

private:
    explicit IDBFactoryBackendLevelDB(const String& databaseDirectory);

    typedef HashMap<String, RefPtr<IDBDatabaseBackend> > IDBDatabaseBackendMap;
    IDBDatabaseBackendMap m_databaseBackendMap;

    typedef HashMap<String, WeakPtr<IDBBackingStoreLevelDB> > IDBBackingStoreLevelDBMap;
    IDBBackingStoreLevelDBMap m_backingStoreMap;

    HashSet<RefPtr<IDBBackingStoreLevelDB> > m_sessionOnlyBackingStores;

    String m_databaseDirectory;
};

} // namespace WebCore

#endif // ENABLE(INDEXED_DATABASE) && USE(LEVELDB)

#endif // IDBFactoryBackendLevelDB_h