| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _SVX_TEXT_CHANGED_QUEUE_HXX |
| #define _SVX_TEXT_CHANGED_QUEUE_HXX |
| |
| #include <memory> |
| #include <list> |
| #include <algorithm> |
| #include <tools/solar.h> |
| #include <tools/rtti.hxx> |
| |
| class SfxHint; |
| class SdrHint; |
| class SfxSimpleHint; |
| class TextHint; |
| class SvxViewHint; |
| class SvxEditSourceHint; |
| |
| namespace accessibility |
| { |
| /** This class handles the notification events for the |
| AccessibleTextHelper class. |
| |
| For various reasons, we cannot process EditEngine events as |
| they arrive, but have to queue and handle them in a batch. |
| */ |
| class AccessibleTextEventQueue |
| { |
| public: |
| typedef ::std::list< SfxHint* > EventQueue; |
| |
| AccessibleTextEventQueue(); |
| ~AccessibleTextEventQueue(); |
| |
| /// Append event to end of queue |
| void Append( const SfxHint& rHint ); |
| /// Append event to end of queue |
| void Append( const SdrHint& rHint ); |
| /// Append event to end of queue |
| void Append( const SfxSimpleHint& rHint ); |
| /// Append event to end of queue |
| void Append( const TextHint& rHint ); |
| /// Append event to end of queue |
| void Append( const SvxViewHint& rHint ); |
| /// Append event to end of queue |
| void Append( const SvxEditSourceHint& rHint ); |
| |
| /** Pop first queue element |
| |
| return first queue element, ownership transfers to caller |
| */ |
| ::std::auto_ptr< SfxHint > PopFront(); |
| |
| /** Apply functor to every queue member |
| |
| @param rFunctor |
| Functor to apply. Functor receives queue element as |
| parameter: void func( const SfxHint* ); |
| */ |
| template < typename Functor > void ForEach( Functor& rFunctor ) const |
| { |
| // #109864# Make sure results are put back into rFunctor |
| rFunctor = ::std::for_each( maEventQueue.begin(), maEventQueue.end(), rFunctor ); |
| } |
| |
| /// Query whether queue is empty |
| bool IsEmpty() const; |
| |
| /// Clear event queue |
| void Clear(); |
| |
| private: |
| EventQueue maEventQueue; |
| }; |
| |
| } // end of namespace accessibility |
| |
| #endif /* _SVX_TEXT_CHANGED_QUEUE_HXX */ |