unoxml/source/dom/elementlist.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
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  12  *   contributor license agreements. See the NOTICE file distributed
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  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_UNOXML_SOURCE_DOM_ELEMENTLIST_HXX
  21 #define INCLUDED_UNOXML_SOURCE_DOM_ELEMENTLIST_HXX
  22
  23 #include <vector>
  24
  25 #include <memory>
  26
  27 #include <libxml/tree.h>
  28
  29 #include <sal/types.h>
  30 #include <rtl/ref.hxx>
  31
  32 #include <com/sun/star/uno/Reference.h>
  33 #include <com/sun/star/uno/Exception.hpp>
  34 #include <com/sun/star/xml/dom/XNode.hpp>
  35 #include <com/sun/star/xml/dom/XNodeList.hpp>
  36 #include <com/sun/star/xml/dom/events/XEvent.hpp>
  37 #include <com/sun/star/xml/dom/events/XEventListener.hpp>
  38
  39 #include <cppuhelper/implbase.hxx>
  40
  41 namespace DOM
  42 {
  43     class CElement;
  44
  45     class CElementListImpl
  46         : public cppu::WeakImplHelper< css::xml::dom::XNodeList,
  47                 css::xml::dom::events::XEventListener >
  48     {
  49     private:
  50         /** @short  proxy weak binding to forward Events to ourself without
  51                     an ownership cycle
  52           */
  53         css::uno::Reference< css::xml::dom::events::XEventListener > m_xEventListener;
  54
  55         ::rtl::Reference<CElement> const m_pElement;
  56         ::osl::Mutex & m_rMutex;
  57         ::std::unique_ptr<xmlChar[]> const m_pName;
  58         ::std::unique_ptr<xmlChar[]> const m_pURI;
  59         bool m_bRebuild;
  60         std::vector< xmlNodePtr > m_nodevector;
  61
  62         void buildlist(xmlNodePtr pNode, bool start=true);
  63
  64     public:
  65         CElementListImpl(::rtl::Reference<CElement> const& pElement,
  66                 ::osl::Mutex & rMutex,
  67                 OUString const& rName, OUString const*const pURI);
  68
  69         void registerListener(CElement & rElement);
  70
  71         virtual ~CElementListImpl() override;
  72
  73         /**
  74         The number of nodes in the list.
  75         */
  76         virtual sal_Int32 SAL_CALL getLength() override;
  77         /**
  78         Returns the indexth item in the collection.
  79         */
  80         virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL item(sal_Int32 index) override;
  81
  82         // XEventListener
  83         virtual void SAL_CALL handleEvent(const css::uno::Reference< css::xml::dom::events::XEvent >& evt) override;
  84     };
  85
  86     class CElementList
  87         : public cppu::WeakImplHelper< css::xml::dom::XNodeList,
  88                 css::xml::dom::events::XEventListener >
  89     {
  90     private:
  91         rtl::Reference<CElementListImpl> m_xImpl;
  92     public:
  93         CElementList(::rtl::Reference<CElement> const& pElement,
  94                 ::osl::Mutex & rMutex,
  95                 OUString const& rName, OUString const*const pURI = nullptr);
  96
  97         /**
  98         The number of nodes in the list.
  99         */
 100         virtual sal_Int32 SAL_CALL getLength() override
 101         {
 102             return m_xImpl->getLength();
 103         }
 104         /**
 105         Returns the indexth item in the collection.
 106         */
 107         virtual css::uno::Reference< css::xml::dom::XNode > SAL_CALL item(sal_Int32 index) override
 108         {
 109             return m_xImpl->item(index);
 110         }
 111
 112         // XEventListener
 113         virtual void SAL_CALL handleEvent(const css::uno::Reference< css::xml::dom::events::XEvent >& evt) override
 114         {
 115             m_xImpl->handleEvent(evt);
 116         }
 117     };
 118 }
 119
 120 #endif
 121
 122 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */