svtools/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
  28 #include <svtools/colorcfg.hxx>
  29 #include <unotools/options.hxx>
  30 #include <svtools/miscopt.hxx>
  31 #include <comphelper/diagnose_ex.hxx>
  32 #include <rtl/ref.hxx>
  33
  34 namespace svtools {
  35
  36 ItemHolder2::ItemHolder2()
  37 {
  38     try
  39     {
  40         const css::uno::Reference< css::uno::XComponentContext >& xContext = ::comphelper::getProcessComponentContext();
  41         css::uno::Reference< css::lang::XComponent > xCfg(
  42             css::configuration::theDefaultProvider::get( xContext ),
  43             css::uno::UNO_QUERY_THROW );
  44         xCfg->addEventListener(static_cast< css::lang::XEventListener* >(this));
  45     }
  46     catch(const css::uno::RuntimeException&)
  47     {
  48         throw;
  49     }
  50 #ifdef DBG_UTIL
  51     catch(const css::uno::Exception&)
  52     {
  53         static bool bMessage = true;
  54         if(bMessage)
  55         {
  56             bMessage = false;
  57             TOOLS_WARN_EXCEPTION( "svtools", "CreateInstance with arguments" );
  58         }
  59     }
  60 #else
  61     catch(css::uno::Exception&){}
  62 #endif
  63 }
  64
  65
  66 ItemHolder2::~ItemHolder2()
  67 {
  68     impl_releaseAllItems();
  69 }
  70
  71
  72 void ItemHolder2::holdConfigItem(EItem eItem)
  73 {
  74     static rtl::Reference<ItemHolder2> pHolder = new ItemHolder2();
  75     pHolder->impl_addItem(eItem);
  76 }
  77
  78
  79 void SAL_CALL ItemHolder2::disposing(const css::lang::EventObject&)
  80 {
  81     impl_releaseAllItems();
  82 }
  83
  84
  85 void ItemHolder2::impl_addItem(EItem eItem)
  86 {
  87     std::scoped_lock aLock(m_aLock);
  88
  89     for ( auto const & rInfo : m_lItems )
  90     {
  91         if (rInfo.eItem == eItem)
  92             return;
  93     }
  94
  95     TItemInfo aNewItem;
  96     aNewItem.eItem = eItem;
  97     impl_newItem(aNewItem);
  98     if (aNewItem.pItem)
  99         m_lItems.emplace_back(std::move(aNewItem));
 100 }
 101
 102
 103 void ItemHolder2::impl_releaseAllItems()
 104 {
 105     std::vector<TItemInfo> items;
 106     {
 107         std::scoped_lock aLock(m_aLock);
 108         items.swap(m_lItems);
 109     }
 110
 111     // items will be freed when the block exits
 112 }
 113
 114
 115 void ItemHolder2::impl_newItem(TItemInfo& rItem)
 116 {
 117     switch(rItem.eItem)
 118     {
 119         case EItem::ColorConfig :
 120             rItem.pItem.reset( new ::svtools::ColorConfig() );
 121             break;
 122
 123         case EItem::MiscOptions :
 124             rItem.pItem.reset( new SvtMiscOptions() );
 125             break;
 126
 127         default:
 128             OSL_ASSERT(false);
 129             break;
 130     }
 131 }
 132
 133 } // namespace svtools
 134
 135 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */