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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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#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 <comphelper/sequenceashashmap.hxx>

#include <rtl/ref.hxx>

#include <hash_map>
#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 ::std::hash_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 ::comphelper::SequenceAsHashMap& aEncryptionData = ::comphelper::SequenceAsHashMap() );

	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 ::comphelper::SequenceAsHashMap& aEncryptionData = ::comphelper::SequenceAsHashMap() );

	void RemoveStreamHierarchically( OStringList_Impl& aListPath );
};

#endif // _OHIERARCHYHOLDER