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 _SFXBRDCST_HXX 24 #define _SFXBRDCST_HXX 25 26 #include "svl/svldllapi.h" 27 #include <tools/rtti.hxx> 28 #include <svl/svarray.hxx> 29 30 class SfxListener; 31 class SfxHint; 32 33 #ifndef _SFX_BRDCST_CXX 34 typedef SvPtrarr SfxListenerArr_Impl; 35 #endif 36 37 //------------------------------------------------------------------------- 38 39 class SVL_DLLPUBLIC SfxBroadcaster 40 { 41 friend class SfxListener; 42 43 SfxListenerArr_Impl aListeners; 44 45 private: 46 sal_Bool AddListener( SfxListener& rListener ); 47 void RemoveListener( SfxListener& rListener ); 48 const SfxBroadcaster& operator=(const SfxBroadcaster &); // verboten 49 50 protected: 51 void Forward(SfxBroadcaster& rBC, const SfxHint& rHint); 52 virtual void ListenersGone(); 53 54 public: 55 TYPEINFO(); 56 57 SfxBroadcaster(); 58 SfxBroadcaster( const SfxBroadcaster &rBC ); 59 virtual ~SfxBroadcaster(); 60 61 void Broadcast( const SfxHint &rHint ); 62 void BroadcastDelayed( const SfxHint& rHint ); 63 void BroadcastInIdle( const SfxHint& rHint ); 64 65 sal_Bool HasListeners() const; GetListenerCount() const66 sal_uInt16 GetListenerCount() const { return aListeners.Count(); } GetListener(sal_uInt16 nNo) const67 SfxListener* GetListener( sal_uInt16 nNo ) const 68 { return (SfxListener*) aListeners[nNo]; } 69 }; 70 71 #endif 72