1*3334a7e6SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*3334a7e6SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*3334a7e6SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*3334a7e6SAndrew Rist * distributed with this work for additional information 6*3334a7e6SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*3334a7e6SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*3334a7e6SAndrew Rist * "License"); you may not use this file except in compliance 9*3334a7e6SAndrew Rist * with the License. You may obtain a copy of the License at 10*3334a7e6SAndrew Rist * 11*3334a7e6SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*3334a7e6SAndrew Rist * 13*3334a7e6SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*3334a7e6SAndrew Rist * software distributed under the License is distributed on an 15*3334a7e6SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*3334a7e6SAndrew Rist * KIND, either express or implied. See the License for the 17*3334a7e6SAndrew Rist * specific language governing permissions and limitations 18*3334a7e6SAndrew Rist * under the License. 19*3334a7e6SAndrew Rist * 20*3334a7e6SAndrew Rist *************************************************************/ 21*3334a7e6SAndrew Rist 22*3334a7e6SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _SVX_TEXT_CHANGED_QUEUE_HXX 25cdf0e10cSrcweir #define _SVX_TEXT_CHANGED_QUEUE_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <memory> 28cdf0e10cSrcweir #include <list> 29cdf0e10cSrcweir #include <algorithm> 30cdf0e10cSrcweir #include <tools/solar.h> 31cdf0e10cSrcweir #include <tools/rtti.hxx> 32cdf0e10cSrcweir 33cdf0e10cSrcweir class SfxHint; 34cdf0e10cSrcweir class SdrHint; 35cdf0e10cSrcweir class SfxSimpleHint; 36cdf0e10cSrcweir class TextHint; 37cdf0e10cSrcweir class SvxViewHint; 38cdf0e10cSrcweir class SvxEditSourceHint; 39cdf0e10cSrcweir 40cdf0e10cSrcweir namespace accessibility 41cdf0e10cSrcweir { 42cdf0e10cSrcweir /** This class handles the notification events for the 43cdf0e10cSrcweir AccessibleTextHelper class. 44cdf0e10cSrcweir 45cdf0e10cSrcweir For various reasons, we cannot process EditEngine events as 46cdf0e10cSrcweir they arrive, but have to queue and handle them in a batch. 47cdf0e10cSrcweir */ 48cdf0e10cSrcweir class AccessibleTextEventQueue 49cdf0e10cSrcweir { 50cdf0e10cSrcweir public: 51cdf0e10cSrcweir typedef ::std::list< SfxHint* > EventQueue; 52cdf0e10cSrcweir 53cdf0e10cSrcweir AccessibleTextEventQueue(); 54cdf0e10cSrcweir ~AccessibleTextEventQueue(); 55cdf0e10cSrcweir 56cdf0e10cSrcweir /// Append event to end of queue 57cdf0e10cSrcweir void Append( const SfxHint& rHint ); 58cdf0e10cSrcweir /// Append event to end of queue 59cdf0e10cSrcweir void Append( const SdrHint& rHint ); 60cdf0e10cSrcweir /// Append event to end of queue 61cdf0e10cSrcweir void Append( const SfxSimpleHint& rHint ); 62cdf0e10cSrcweir /// Append event to end of queue 63cdf0e10cSrcweir void Append( const TextHint& rHint ); 64cdf0e10cSrcweir /// Append event to end of queue 65cdf0e10cSrcweir void Append( const SvxViewHint& rHint ); 66cdf0e10cSrcweir /// Append event to end of queue 67cdf0e10cSrcweir void Append( const SvxEditSourceHint& rHint ); 68cdf0e10cSrcweir 69cdf0e10cSrcweir /** Pop first queue element 70cdf0e10cSrcweir 71cdf0e10cSrcweir return first queue element, ownership transfers to caller 72cdf0e10cSrcweir */ 73cdf0e10cSrcweir ::std::auto_ptr< SfxHint > PopFront(); 74cdf0e10cSrcweir 75cdf0e10cSrcweir /** Apply functor to every queue member 76cdf0e10cSrcweir 77cdf0e10cSrcweir @param rFunctor 78cdf0e10cSrcweir Functor to apply. Functor receives queue element as 79cdf0e10cSrcweir parameter: void func( const SfxHint* ); 80cdf0e10cSrcweir */ ForEach(Functor & rFunctor) const81cdf0e10cSrcweir template < typename Functor > void ForEach( Functor& rFunctor ) const 82cdf0e10cSrcweir { 83cdf0e10cSrcweir // #109864# Make sure results are put back into rFunctor 84cdf0e10cSrcweir rFunctor = ::std::for_each( maEventQueue.begin(), maEventQueue.end(), rFunctor ); 85cdf0e10cSrcweir } 86cdf0e10cSrcweir 87cdf0e10cSrcweir /// Query whether queue is empty 88cdf0e10cSrcweir bool IsEmpty() const; 89cdf0e10cSrcweir 90cdf0e10cSrcweir /// Clear event queue 91cdf0e10cSrcweir void Clear(); 92cdf0e10cSrcweir 93cdf0e10cSrcweir private: 94cdf0e10cSrcweir EventQueue maEventQueue; 95cdf0e10cSrcweir }; 96cdf0e10cSrcweir 97cdf0e10cSrcweir } // end of namespace accessibility 98cdf0e10cSrcweir 99cdf0e10cSrcweir #endif /* _SVX_TEXT_CHANGED_QUEUE_HXX */ 100