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_BROADCAST_HXX 24 #define _SVT_BROADCAST_HXX 25 26 #include "svl/svldllapi.h" 27 #include <tools/rtti.hxx> 28 29 class SvtListener; 30 class SfxHint; 31 class SvtListenerBase; 32 33 //------------------------------------------------------------------------- 34 35 class SVL_DLLPUBLIC SvtBroadcaster 36 { 37 friend class SvtListener; 38 friend class SvtListenerBase; 39 friend class SvtListenerIter; 40 SvtListenerBase* pRoot; 41 42 const SvtBroadcaster& operator=(const SvtBroadcaster &); // verboten 43 44 protected: 45 void Forward( SvtBroadcaster& rBC, 46 const SfxHint& rHint ); 47 virtual void ListenersGone(); 48 49 public: 50 TYPEINFO(); 51 52 SvtBroadcaster(); 53 SvtBroadcaster( const SvtBroadcaster &rBC ); 54 virtual ~SvtBroadcaster(); 55 56 void Broadcast( const SfxHint &rHint ); 57 HasListeners() const58 sal_Bool HasListeners() const { return 0 != pRoot; } 59 }; 60 61 62 #endif 63 64