/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   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 .
 */

#ifndef DOM_ELEMENTLIST_HXX
#define DOM_ELEMENTLIST_HXX

#include <vector>

#include <boost/scoped_array.hpp>

#include <libxml/tree.h>

#include <sal/types.h>
#include <rtl/ref.hxx>

#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/uno/Exception.hpp>
#include <com/sun/star/xml/dom/XNode.hpp>
#include <com/sun/star/xml/dom/XNodeList.hpp>
#include <com/sun/star/xml/dom/events/XEvent.hpp>
#include <com/sun/star/xml/dom/events/XEventListener.hpp>

#include <cppuhelper/implbase2.hxx>


using ::rtl::OUString;
using namespace com::sun::star::uno;
using namespace com::sun::star::xml::dom;
using namespace com::sun::star::xml::dom::events;

namespace DOM
{
    class CElement;

    typedef std::vector< xmlNodePtr > nodevector_t;

    class CElementList
        : public cppu::WeakImplHelper2< XNodeList,
                com::sun::star::xml::dom::events::XEventListener >
    {
    private:
        ::rtl::Reference<CElement> const m_pElement;
        ::osl::Mutex & m_rMutex;
        ::boost::scoped_array<xmlChar> const m_pName;
        ::boost::scoped_array<xmlChar> const m_pURI;
        bool m_bRebuild;
        nodevector_t m_nodevector;

        void buildlist(xmlNodePtr pNode, sal_Bool start=sal_True);
        void registerListener(CElement & rElement);

    public:
        CElementList(::rtl::Reference<CElement> const& pElement,
                ::osl::Mutex & rMutex,
                OUString const& rName, OUString const*const pURI = 0);

        /**
        The number of nodes in the list.
        */
        virtual sal_Int32 SAL_CALL getLength() throw (RuntimeException);
        /**
        Returns the indexth item in the collection.
        */
        virtual Reference< XNode > SAL_CALL item(sal_Int32 index)
            throw (RuntimeException);

        // XEventListener
        virtual void SAL_CALL handleEvent(const Reference< XEvent >& evt)
            throw (RuntimeException);
    };
}

#endif

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