unotools/source/config/options.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 #include <sal/config.h>
  21 #include <unotools/options.hxx>
  22
  23 using utl::detail::Options;
  24 using utl::ConfigurationBroadcaster;
  25
  26 utl::ConfigurationListener::~ConfigurationListener() {}
  27
  28 ConfigurationBroadcaster::ConfigurationBroadcaster()
  29 : mpList(0)
  30 , m_nBroadcastBlocked( 0 )
  31 , m_nBlockedHint( 0 )
  32 {
  33 }
  34
  35 ConfigurationBroadcaster::~ConfigurationBroadcaster()
  36 {
  37     delete mpList;
  38 }
  39
  40 void ConfigurationBroadcaster::AddListener( utl::ConfigurationListener* pListener )
  41 {
  42     if ( !mpList )
  43         mpList = new IMPL_ConfigurationListenerList;
  44     mpList->push_back( pListener );
  45 }
  46
  47 void ConfigurationBroadcaster::RemoveListener( utl::ConfigurationListener* pListener )
  48 {
  49     if ( mpList ) {
  50         for ( IMPL_ConfigurationListenerList::iterator it = mpList->begin();
  51               it != mpList->end();
  52               ++it
  53         ) {
  54             if ( *it == pListener ) {
  55                 mpList->erase( it );
  56                 break;
  57             }
  58         }
  59     }
  60 }
  61
  62 void ConfigurationBroadcaster::NotifyListeners( sal_uInt32 nHint )
  63 {
  64     if ( m_nBroadcastBlocked )
  65         m_nBlockedHint |= nHint;
  66     else
  67     {
  68         nHint |= m_nBlockedHint;
  69         m_nBlockedHint = 0;
  70         if ( mpList ) {
  71             for ( size_t n = 0; n < mpList->size(); n++ ) {
  72                 (*mpList)[ n ]->ConfigurationChanged( this, nHint );
  73             }
  74         }
  75     }
  76 }
  77
  78 void ConfigurationBroadcaster::BlockBroadcasts( bool bBlock )
  79 {
  80     if ( bBlock )
  81         ++m_nBroadcastBlocked;
  82     else if ( m_nBroadcastBlocked )
  83     {
  84         if ( --m_nBroadcastBlocked == 0 )
  85             NotifyListeners( 0 );
  86     }
  87 }
  88
  89 Options::Options()
  90 {
  91 }
  92
  93 Options::~Options()
  94 {
  95 }
  96
  97 void Options::ConfigurationChanged( ConfigurationBroadcaster*, sal_uInt32 nHint )
  98 {
  99     NotifyListeners( nHint );
 100 }
 101
 102 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */