1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_unotools.hxx" 30 31 #include "sal/config.h" 32 #include <tools/list.hxx> 33 #include <unotools/options.hxx> 34 35 namespace utl 36 { 37 DECLARE_LIST( IMPL_ConfigurationListenerList, ConfigurationListener* ) 38 } 39 40 using utl::detail::Options; 41 using utl::ConfigurationBroadcaster; 42 43 ConfigurationBroadcaster::ConfigurationBroadcaster() 44 : mpList(0) 45 , m_nBroadcastBlocked( 0 ) 46 , m_nBlockedHint( 0 ) 47 { 48 } 49 50 ConfigurationBroadcaster::~ConfigurationBroadcaster() 51 { 52 delete mpList; 53 } 54 55 void ConfigurationBroadcaster::AddListener( utl::ConfigurationListener* pListener ) 56 { 57 if ( !mpList ) 58 mpList = new IMPL_ConfigurationListenerList; 59 mpList->Insert( pListener ); 60 } 61 62 void ConfigurationBroadcaster::RemoveListener( utl::ConfigurationListener* pListener ) 63 { 64 if ( mpList ) 65 mpList->Remove( pListener ); 66 } 67 68 void ConfigurationBroadcaster::NotifyListeners( sal_uInt32 nHint ) 69 { 70 if ( m_nBroadcastBlocked ) 71 m_nBlockedHint |= nHint; 72 else 73 { 74 nHint |= m_nBlockedHint; 75 m_nBlockedHint = 0; 76 if ( mpList ) 77 for ( sal_uInt32 n=0; n<mpList->Count(); n++ ) 78 mpList->GetObject(n)->ConfigurationChanged( this, nHint ); 79 } 80 } 81 82 void ConfigurationBroadcaster::BlockBroadcasts( bool bBlock ) 83 { 84 if ( bBlock ) 85 ++m_nBroadcastBlocked; 86 else if ( m_nBroadcastBlocked ) 87 { 88 if ( --m_nBroadcastBlocked == 0 ) 89 NotifyListeners( 0 ); 90 } 91 } 92 93 Options::Options() 94 { 95 } 96 97 Options::~Options() 98 { 99 } 100 101 void Options::ConfigurationChanged( ConfigurationBroadcaster*, sal_uInt32 nHint ) 102 { 103 NotifyListeners( nHint ); 104 } 105 106 107