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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

#ifndef _SD_SCOPELOCK_HXX
#define _SD_SCOPELOCK_HXX

namespace sd
{

class ScopeLock
{
    friend class ScopeLockGuard;
public:
    ScopeLock() : mnLock(0) {}
    bool isLocked() const { return mnLock != 0; }
private:
    void lock() { mnLock++; }
    void unlock() { mnLock--; }

    sal_Int32	mnLock;
};

class ScopeLockGuard
{
public:
    ScopeLockGuard( ScopeLock& rScopeLock ) : mrScopeLock( rScopeLock ) { mrScopeLock.lock(); }
    ~ScopeLockGuard() { mrScopeLock.unlock(); }
private:
    ScopeLock& mrScopeLock;
};

} // namespace sd

#endif	   // _SD_UNDOMANAGER_HXX