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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
 *
 * 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 _OHIERARCHYHOLDER_HXX_
#define _OHIERARCHYHOLDER_HXX_

#include <com/sun/star/embed/XStorage.hpp>
#include <com/sun/star/embed/XTransactionListener.hpp>
#include <com/sun/star/embed/XExtendedStorageStream.hpp>
#include <cppuhelper/implbase1.hxx>

#include <rtl/ref.hxx>

#include <boost/unordered_map.hpp>
#include <list>
#include <vector>

struct OHierarchyElement_Impl;

struct eqFunc
{
    sal_Bool operator()( const rtl::OUString &r1,
                         const rtl::OUString &r2) const
    {
        return r1 == r2;
    }
};
typedef ::boost::unordered_map< ::rtl::OUString,
                         ::rtl::Reference< OHierarchyElement_Impl >,
                         ::rtl::OUStringHash,
                         eqFunc > OHierarchyElementList_Impl;

typedef ::std::vector< ::rtl::OUString > OStringList_Impl;
typedef ::std::list< ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XExtendedStorageStream > >
                        OWeakStorRefList_Impl;

struct OHierarchyElement_Impl : public cppu::WeakImplHelper1< ::com::sun::star::embed::XTransactionListener >
{
    ::osl::Mutex m_aMutex;

    ::rtl::Reference< OHierarchyElement_Impl > m_rParent;
    ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage > m_xOwnStorage;
    ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage > m_xWeakOwnStorage;

    OHierarchyElementList_Impl m_aChildren;

    OWeakStorRefList_Impl m_aOpenStreams;

public:
    OHierarchyElement_Impl( OHierarchyElement_Impl* pParent, const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& xStorage )
    : m_rParent( pParent )
    , m_xOwnStorage( xStorage )
    {}

    OHierarchyElement_Impl( const ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage >& xWeakStorage )
    : m_rParent( NULL )
    , m_xWeakOwnStorage( xWeakStorage )
    {}

    void Commit();

    void SetParent( const ::rtl::Reference< OHierarchyElement_Impl >& rParent ) { m_rParent = rParent; }

    void TestForClosing();

    void RemoveElement( const ::rtl::Reference< OHierarchyElement_Impl >& aRef );

    ::com::sun::star::uno::Reference< ::com::sun::star::embed::XExtendedStorageStream >
                                        GetStreamHierarchically( sal_Int32 nStorageMode,
                                                                OStringList_Impl& aPath,
                                                                sal_Int32 nStreamMode,
                                                                const ::rtl::OUString& aPassword = ::rtl::OUString() );

    void RemoveStreamHierarchically( OStringList_Impl& aListPath );

    // XEventListener
    virtual void SAL_CALL disposing( const ::com::sun::star::lang::EventObject& Source )
        throw (::com::sun::star::uno::RuntimeException);


    // XTransactionListener
    virtual void SAL_CALL preCommit( const ::com::sun::star::lang::EventObject& aEvent )
        throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL commited( const ::com::sun::star::lang::EventObject& aEvent )
        throw (::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL preRevert( const ::com::sun::star::lang::EventObject& aEvent )
        throw (::com::sun::star::uno::Exception, ::com::sun::star::uno::RuntimeException);
    virtual void SAL_CALL reverted( const ::com::sun::star::lang::EventObject& aEvent )
        throw (::com::sun::star::uno::RuntimeException);

};

class OHierarchyHolder_Impl : public ::cppu::OWeakObject
{
    ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage > m_xWeakOwnStorage;
    ::rtl::Reference< OHierarchyElement_Impl > m_xChild;
public:
    OHierarchyHolder_Impl( const ::com::sun::star::uno::Reference< ::com::sun::star::embed::XStorage >& xOwnStorage )
    : m_xWeakOwnStorage( xOwnStorage )
    , m_xChild( new OHierarchyElement_Impl( ::com::sun::star::uno::WeakReference< ::com::sun::star::embed::XStorage >( xOwnStorage ) ) )
    {}

    static OStringList_Impl GetListPathFromString( const ::rtl::OUString& aPath );

    ::com::sun::star::uno::Reference< ::com::sun::star::embed::XExtendedStorageStream >
                                        GetStreamHierarchically( sal_Int32 nStorageMode,
                                                                OStringList_Impl& aListPath,
                                                                sal_Int32 nStreamMode,
                                                                const ::rtl::OUString& aPassword = ::rtl::OUString() );

    void RemoveStreamHierarchically( OStringList_Impl& aListPath );
};

#endif // _OHIERARCHYHOLDER

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */