elementlist.hxx

Go to the documentation of this file.

/* -*- 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 <vector>
#include <string_view>
#include <memory>
 
#include <libxml/tree.h>
 
#include <sal/types.h>
#include <rtl/ref.hxx>
 
#include <com/sun/star/uno/Reference.h>
#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/implbase.hxx>
 
namespace DOM
{
    class CElement;
 
    class CElementListImpl
        : public cppu::WeakImplHelper< css::xml::dom::XNodeList,
                css::xml::dom::events::XEventListener >
    {
    private:
        css::uno::Reference< css::xml::dom::events::XEventListener > m_xEventListener;
 
        ::rtl::Reference<CElement> const m_pElement;
        ::osl::Mutex & m_rMutex;
        ::std::unique_ptr<xmlChar[]> const m_pName;
        ::std::unique_ptr<xmlChar[]> const m_pURI;
        bool m_bRebuild;
        std::vector< xmlNodePtr > m_nodevector;
 
        void buildlist(xmlNodePtr pNode, bool start=true);
 
    public:
        CElementListImpl(::rtl::Reference<CElement> pElement,
                ::osl::Mutex & rMutex,
                std::u16string_view rName, OUString const*const pURI);
 
        void registerListener(CElement & rElement);
 
        virtual ~CElementListImpl() override;
 
        virtual sal_Int32 SAL_CALL getLength() override;
        virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL item(sal_Int32 index) override;
 
        // XEventListener
        virtual void SAL_CALL handleEvent(const css::uno::Reference< css::xml::dom::events::XEvent >& evt) override;
    };
 
    class CElementList
        : public cppu::WeakImplHelper< css::xml::dom::XNodeList,
                css::xml::dom::events::XEventListener >
    {
    private:
        rtl::Reference<CElementListImpl> m_xImpl;
    public:
        CElementList(::rtl::Reference<CElement> const& pElement,
                ::osl::Mutex & rMutex,
                std::u16string_view rName, OUString const*const pURI = nullptr);
 
        virtual sal_Int32 SAL_CALL getLength() override
        {
            return m_xImpl->getLength();
        }
        virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL item(sal_Int32 index) override
        {
            return m_xImpl->item(index);
        }
 
        // XEventListener
        virtual void SAL_CALL handleEvent(const css::uno::Reference< css::xml::dom::events::XEvent >& evt) override
        {
            m_xImpl->handleEvent(evt);
        }
    };
}
 
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */