DatabaseSync.h   [plain text]

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * in the documentation and/or other materials provided with the
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 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#ifndef DatabaseSync_h
#define DatabaseSync_h

#if ENABLE(DATABASE)
#include "AbstractDatabase.h"
#include "ExceptionCode.h"
#include "PlatformString.h"
#include <wtf/Forward.h>
#ifndef NDEBUG
#include "SecurityOrigin.h"
#endif

namespace WebCore {

class DatabaseCallback;
class SQLTransactionSync;
class SQLTransactionSyncCallback;
class ScriptExecutionContext;
class SecurityOrigin;

// Instances of this class should be created and used only on the worker's context thread.
class DatabaseSync : public AbstractDatabase {
public:
    virtual ~DatabaseSync();

    static PassRefPtr<DatabaseSync> openDatabaseSync(ScriptExecutionContext*, const String& name, const String& expectedVersion,
                                                     const String& displayName, unsigned long estimatedSize, PassRefPtr<DatabaseCallback>, ExceptionCode&);
    void changeVersion(const String& oldVersion, const String& newVersion, PassRefPtr<SQLTransactionSyncCallback>, ExceptionCode&);
    void transaction(PassRefPtr<SQLTransactionSyncCallback>, ExceptionCode&);
    void readTransaction(PassRefPtr<SQLTransactionSyncCallback>, ExceptionCode&);

    virtual void markAsDeletedAndClose();
    virtual void closeImmediately();

private:
    DatabaseSync(ScriptExecutionContext*, const String& name, const String& expectedVersion,
                 const String& displayName, unsigned long estimatedSize);
    void runTransaction(PassRefPtr<SQLTransactionSyncCallback>, bool readOnly, ExceptionCode&);
};

} // namespace WebCore

#endif // ENABLE(DATABASE)

#endif // DatabaseSync_h