1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_unotools.hxx" 26 27 #include "sal/config.h" 28 #include <tools/list.hxx> 29 #include <unotools/options.hxx> 30 31 namespace utl 32 { 33 DECLARE_LIST( IMPL_ConfigurationListenerList, ConfigurationListener* ) 34 } 35 36 using utl::detail::Options; 37 using utl::ConfigurationBroadcaster; 38 39 ConfigurationBroadcaster::ConfigurationBroadcaster() 40 : mpList(0) 41 , m_nBroadcastBlocked( 0 ) 42 , m_nBlockedHint( 0 ) 43 { 44 } 45 46 ConfigurationBroadcaster::~ConfigurationBroadcaster() 47 { 48 delete mpList; 49 } 50 51 void ConfigurationBroadcaster::AddListener( utl::ConfigurationListener* pListener ) 52 { 53 if ( !mpList ) 54 mpList = new IMPL_ConfigurationListenerList; 55 mpList->Insert( pListener ); 56 } 57 58 void ConfigurationBroadcaster::RemoveListener( utl::ConfigurationListener* pListener ) 59 { 60 if ( mpList ) 61 mpList->Remove( pListener ); 62 } 63 64 void ConfigurationBroadcaster::NotifyListeners( sal_uInt32 nHint ) 65 { 66 if ( m_nBroadcastBlocked ) 67 m_nBlockedHint |= nHint; 68 else 69 { 70 nHint |= m_nBlockedHint; 71 m_nBlockedHint = 0; 72 if ( mpList ) 73 for ( sal_uInt32 n=0; n<mpList->Count(); n++ ) 74 mpList->GetObject(n)->ConfigurationChanged( this, nHint ); 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 } 101 102 103