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
  21 #include "sal/config.h"
  22 #include <unotools/options.hxx>
  23
  24 using utl::detail::Options;
  25 using utl::ConfigurationBroadcaster;
  26
  27 utl::ConfigurationListener::~ConfigurationListener() {}
  28
  29 ConfigurationBroadcaster::ConfigurationBroadcaster()
  30 : mpList(0)
  31 , m_nBroadcastBlocked( 0 )
  32 , m_nBlockedHint( 0 )
  33 {
  34 }
  35
  36 ConfigurationBroadcaster::~ConfigurationBroadcaster()
  37 {
  38     delete mpList;
  39 }
  40
  41 void ConfigurationBroadcaster::AddListener( utl::ConfigurationListener* pListener )
  42 {
  43     if ( !mpList )
  44         mpList = new IMPL_ConfigurationListenerList;
  45     mpList->push_back( pListener );
  46 }
  47
  48 void ConfigurationBroadcaster::RemoveListener( utl::ConfigurationListener* pListener )
  49 {
  50     if ( mpList ) {
  51         for ( IMPL_ConfigurationListenerList::iterator it = mpList->begin();
  52               it != mpList->end();
  53               ++it
  54         ) {
  55             if ( *it == pListener ) {
  56                 mpList->erase( it );
  57                 break;
  58             }
  59         }
  60     }
  61 }
  62
  63 void ConfigurationBroadcaster::NotifyListeners( sal_uInt32 nHint )
  64 {
  65     if ( m_nBroadcastBlocked )
  66         m_nBlockedHint |= nHint;
  67     else
  68     {
  69         nHint |= m_nBlockedHint;
  70         m_nBlockedHint = 0;
  71         if ( mpList ) {
  72             for ( size_t n = 0; n < mpList->size(); n++ ) {
  73                 (*mpList)[ n ]->ConfigurationChanged( this, nHint );
  74             }
  75         }
  76     }
  77 }
  78
  79 void ConfigurationBroadcaster::BlockBroadcasts( bool bBlock )
  80 {
  81     if ( bBlock )
  82         ++m_nBroadcastBlocked;
  83     else if ( m_nBroadcastBlocked )
  84     {
  85         if ( --m_nBroadcastBlocked == 0 )
  86             NotifyListeners( 0 );
  87     }
  88 }
  89
  90 Options::Options()
  91 {
  92 }
  93
  94 Options::~Options()
  95 {
  96 }
  97
  98 void Options::ConfigurationChanged( ConfigurationBroadcaster*, sal_uInt32 nHint )
  99 {
 100     NotifyListeners( nHint );
 101 }
 102
 103
 104 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */