/* -*- 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 .
 */

#pragma once

#include "elementmark.hxx"
#include <com/sun/star/xml/crypto/sax/ElementMarkPriority.hpp>
#include <com/sun/star/uno/Reference.hxx>

namespace com::sun::star::xml::crypto::sax { class XReferenceResolvedListener; }

class ElementCollector : public ElementMark
/****** elementcollector.hxx/CLASS ElementCollector ***************************
 *
 *   NAME
 *  ElementCollector -- Class to manipulate an element collector
 *
 *   FUNCTION
 *  This class is derived from the ElementMark class. Beyond the function
 *  of the ElementMark class, this class also maintains the priority, and
 *  manages the notify process
 ******************************************************************************/
{
private:
    /*
     * the notify priority, is one of following values:
     * AFTERMODIFY  - this ElementCollector will notify after all
     *                    internal modifications have finished.
     * BEFOREMODIFY - this ElementCollector must notify before any
     *                    internal modification happens.
     */
    css::xml::crypto::sax::ElementMarkPriority const m_nPriority;

    /*
     * the modify flag, representing whether which elementcollector will
     * modify its data.
     */
    bool const m_bToModify;

    /* the notify enable flag, see notifyListener method */
    bool m_bAbleToNotify;

    /* whether the listener has been notified */
    bool m_bNotified;

    /* the listener to be notified */
    css::uno::Reference< css::xml::crypto::sax::XReferenceResolvedListener > m_xReferenceResolvedListener;

public:
    ElementCollector(
        sal_Int32 nBufferId,
        css::xml::crypto::sax::ElementMarkPriority nPriority,
        bool bToModify,
        const css::uno::Reference< css::xml::crypto::sax::XReferenceResolvedListener >& xReferenceResolvedListener);

    css::xml::crypto::sax::ElementMarkPriority getPriority() const { return m_nPriority;}
    bool getModify() const { return m_bToModify;}
    void notifyListener();
    void setReferenceResolvedListener(
        const css::uno::Reference< css::xml::crypto::sax::XReferenceResolvedListener >& referenceResolvedListener);
    void doNotify();
};

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