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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
 * 
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#ifndef _STOC_TDMGR_TDENUMERATION_HXX
#define _STOC_TDMGR_TDENUMERATION_HXX

#include <stack>
#include <osl/mutex.hxx>
#include <com/sun/star/reflection/XTypeDescriptionEnumeration.hpp>
#include <com/sun/star/reflection/XTypeDescriptionEnumerationAccess.hpp>
#include <cppuhelper/implbase1.hxx>

namespace stoc_tdmgr
{

typedef std::stack< com::sun::star::uno::Reference<
            com::sun::star::reflection::XTypeDescriptionEnumerationAccess > >
                TDEnumerationAccessStack;

class TypeDescriptionEnumerationImpl
    : public cppu::WeakImplHelper1<
                com::sun::star::reflection::XTypeDescriptionEnumeration >
{
public:
    TypeDescriptionEnumerationImpl(
        const rtl::OUString & rModuleName,
        const com::sun::star::uno::Sequence<
            com::sun::star::uno::TypeClass > & rTypes,
        com::sun::star::reflection::TypeDescriptionSearchDepth eDepth,
        const TDEnumerationAccessStack & rTDEAS );
    virtual ~TypeDescriptionEnumerationImpl();

    // XEnumeration (base of XTypeDescriptionEnumeration)
    virtual sal_Bool SAL_CALL hasMoreElements()
        throw ( ::com::sun::star::uno::RuntimeException );
    virtual ::com::sun::star::uno::Any SAL_CALL nextElement()
        throw ( ::com::sun::star::container::NoSuchElementException,
                ::com::sun::star::lang::WrappedTargetException,
                ::com::sun::star::uno::RuntimeException );

    // XTypeDescriptionEnumeration
    virtual ::com::sun::star::uno::Reference<
        ::com::sun::star::reflection::XTypeDescription > SAL_CALL
    nextTypeDescription()
        throw ( ::com::sun::star::container::NoSuchElementException,
                ::com::sun::star::uno::RuntimeException );

private:
    com::sun::star::uno::Reference<
        com::sun::star::reflection::XTypeDescriptionEnumeration >
    queryCurrentChildEnumeration();

    osl::Mutex m_aMutex;
    rtl::OUString m_aModuleName;
    com::sun::star::uno::Sequence< com::sun::star::uno::TypeClass > m_aTypes;
    com::sun::star::reflection::TypeDescriptionSearchDepth m_eDepth;
    TDEnumerationAccessStack m_aChildren;
    com::sun::star::uno::Reference<
        com::sun::star::reflection::XTypeDescriptionEnumeration > m_xEnum;
};

} // namespace stoc_tdmgr

#endif /* _STOC_TDMGR_TDENUMERATION_HXX */