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 #ifndef _SVT_LISTENER_HXX 24 #define _SVT_LISTENER_HXX 25 26 #include "svl/svldllapi.h" 27 #include <tools/rtti.hxx> 28 29 class SvtBroadcaster; 30 class SfxHint; 31 class SvtListenerBase; 32 33 //------------------------------------------------------------------------- 34 35 class SVL_DLLPUBLIC SvtListener 36 { 37 friend class SvtListenerBase; 38 SvtListenerBase *pBrdCastLst; 39 40 const SvtListener& operator=(const SvtListener &); // n.i., ist verboten 41 42 public: 43 TYPEINFO(); 44 45 SvtListener(); 46 SvtListener( const SvtListener &rCopy ); 47 virtual ~SvtListener(); 48 49 sal_Bool StartListening( SvtBroadcaster& rBroadcaster ); 50 sal_Bool EndListening( SvtBroadcaster& rBroadcaster ); 51 void EndListeningAll(); 52 sal_Bool IsListening( SvtBroadcaster& rBroadcaster ) const; 53 HasBroadcaster() const54 sal_Bool HasBroadcaster() const { return 0 != pBrdCastLst; } 55 56 virtual void Notify( SvtBroadcaster& rBC, const SfxHint& rHint ); 57 }; 58 59 60 #endif 61 62