svl/source/config/itemholder2.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   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  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  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
  21 #include "itemholder2.hxx"
  22
  23 #include <osl/diagnose.h>
  24 #include <comphelper/processfactory.hxx>
  25 #include <com/sun/star/lang/XComponent.hpp>
  26 #include <com/sun/star/configuration/theDefaultProvider.hpp>
  27 #include <rtl/ref.hxx>
  28 #include <svl/ctloptions.hxx>
  29 #include <comphelper/diagnose_ex.hxx>
  30 #include <unotools/options.hxx>
  31
  32 ItemHolder2::ItemHolder2()
  33 {
  34     try
  35     {
  36         const css::uno::Reference< css::uno::XComponentContext >& xContext = ::comphelper::getProcessComponentContext();
  37         css::uno::Reference< css::lang::XComponent > xCfg( css::configuration::theDefaultProvider::get(xContext), css::uno::UNO_QUERY_THROW );
  38         xCfg->addEventListener(static_cast< css::lang::XEventListener* >(this));
  39     }
  40     catch(const css::uno::RuntimeException&)
  41     {
  42         throw;
  43     }
  44 #ifdef DBG_UTIL
  45     catch(const css::uno::Exception&)
  46     {
  47         static bool bMessage = true;
  48         if(bMessage)
  49         {
  50             bMessage = false;
  51             TOOLS_WARN_EXCEPTION( "svl", "" );
  52         }
  53     }
  54 #else
  55     catch(css::uno::Exception&){}
  56 #endif
  57 }
  58
  59 ItemHolder2::~ItemHolder2()
  60 {
  61     impl_releaseAllItems();
  62 }
  63
  64 void ItemHolder2::holdConfigItem(EItem eItem)
  65 {
  66     static rtl::Reference<ItemHolder2> pHolder = new ItemHolder2();
  67     pHolder->impl_addItem(eItem);
  68 }
  69
  70 void SAL_CALL ItemHolder2::disposing(const css::lang::EventObject&)
  71 {
  72     impl_releaseAllItems();
  73 }
  74
  75 void ItemHolder2::impl_addItem(EItem eItem)
  76 {
  77     std::scoped_lock aLock(m_aLock);
  78
  79     for ( auto const & rInfo : m_lItems )
  80     {
  81         if (rInfo.eItem == eItem)
  82             return;
  83     }
  84
  85     TItemInfo aNewItem;
  86     aNewItem.eItem = eItem;
  87     impl_newItem(aNewItem);
  88     if (aNewItem.pItem)
  89         m_lItems.emplace_back(std::move(aNewItem));
  90 }
  91
  92 void ItemHolder2::impl_releaseAllItems()
  93 {
  94     std::vector< TItemInfo > items;
  95     {
  96         std::scoped_lock aLock(m_aLock);
  97         items.swap(m_lItems);
  98     }
  99
 100     // items will be freed when the block exits
 101 }
 102
 103 void ItemHolder2::impl_newItem(TItemInfo& rItem)
 104 {
 105     switch(rItem.eItem)
 106     {
 107         case EItem::CTLOptions :
 108             rItem.pItem.reset( new SvtCTLOptions() );
 109             break;
 110
 111         default:
 112             OSL_ASSERT(false);
 113             break;
 114     }
 115 }
 116
 117 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */