| /************************************************************** |
| * |
| * 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 _SDR_PAGEUSER_HXX |
| #define _SDR_PAGEUSER_HXX |
| |
| #include <vector> |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| // predeclarations |
| class SdrPage; |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| // To make things more safe, allow users of the page to register at it. The users need to be derived |
| // from sdr::PageUser to get a call. The users do not need to call RemovePageUser() at the page |
| // when they get called from PageInDestruction(). |
| |
| namespace sdr |
| { |
| class PageUser |
| { |
| public: |
| // this method is called form the destructor of the referenced page. |
| // do all necessary action to forget the page. It is not necessary to call |
| // RemovePageUser(), that is done form the destructor. |
| virtual void PageInDestruction(const SdrPage& rPage) = 0; |
| }; |
| |
| // typedef for PageUserVector |
| typedef ::std::vector< PageUser* > PageUserVector; |
| } // end of namespace sdr |
| |
| //////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| #endif //_SDR_PAGEUSER_HXX |
| // eof |
