| /************************************************************** |
| * |
| * 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 SD_SLIDESORTER_CONTROLLER_SELECTION_OBSERVER_HXX |
| #define SD_SLIDESORTER_CONTROLLER_SELECTION_OBSERVER_HXX |
| |
| #include <tools/gen.hxx> |
| #include <vector> |
| #include <boost/shared_ptr.hpp> |
| |
| namespace sd { namespace slidesorter { |
| class SlideSorter; |
| } } |
| |
| class SdDrawDocument; |
| class SdrPage; |
| |
| namespace sd { namespace slidesorter { namespace controller { |
| |
| /** Observe insertions and deletions of pages between calls to |
| StartObservation() and EndObservation(). When the later is called |
| the selection is set to just the newly inserted pages. |
| */ |
| class SelectionObserver |
| { |
| public: |
| SelectionObserver (SlideSorter& rSlideSorter); |
| virtual ~SelectionObserver (void); |
| |
| void NotifyPageEvent (const SdrPage* pPage); |
| void StartObservation (void); |
| void AbortObservation (void); |
| void EndObservation (void); |
| |
| /** Use this little class instead of calling StartObservation and |
| EndObservation directly so that EndObservation is not forgotten or |
| omitted due to an exception or some break or return in the middle of |
| code. |
| */ |
| class Context |
| { |
| public: |
| Context (SlideSorter& rSlideSorter); |
| ~Context(void); |
| void Abort (void); |
| private: |
| ::boost::shared_ptr<SelectionObserver> mpSelectionObserver; |
| }; |
| |
| private: |
| SlideSorter& mrSlideSorter; |
| SdDrawDocument* mpDocument; |
| bool mbIsOvservationActive; |
| |
| ::std::vector<const SdPage*> maInsertedPages; |
| ::std::vector<sal_Int32> maDeletedPages; |
| }; |
| |
| } } } // end of namespace ::sd::slidesorter::controller |
| |
| #endif |