| /************************************************************** |
| * |
| * 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_CACHE_CONFIGURATION_HXX |
| #define SD_SLIDESORTER_CACHE_CONFIGURATION_HXX |
| |
| #include <com/sun/star/uno/Any.hxx> |
| #include <vcl/timer.hxx> |
| #include <com/sun/star/container/XNameAccess.hpp> |
| #include <boost/shared_ptr.hpp> |
| #include <boost/weak_ptr.hpp> |
| |
| namespace sd { namespace slidesorter { namespace cache { |
| |
| /** A very simple and easy-to-use access to configuration entries regarding |
| the slide sorter cache. |
| */ |
| class CacheConfiguration |
| { |
| public: |
| /** Return an instance to this class. The reference is released after 5 |
| seconds. Subsequent calls to this function will create a new |
| instance. |
| */ |
| static ::boost::shared_ptr<CacheConfiguration> Instance (void); |
| |
| /** Look up the specified value in |
| MultiPaneGUI/SlideSorter/PreviewCache. When the specified value |
| does not exist then an empty Any is returned. |
| */ |
| ::com::sun::star::uno::Any GetValue (const ::rtl::OUString& rName); |
| |
| private: |
| static ::boost::shared_ptr<CacheConfiguration> mpInstance; |
| /** When a caller holds a reference after we have released ours we use |
| this weak pointer to avoid creating a new instance. |
| */ |
| static ::boost::weak_ptr<CacheConfiguration> mpWeakInstance; |
| static Timer maReleaseTimer; |
| ::com::sun::star::uno::Reference< |
| ::com::sun::star::container::XNameAccess> mxCacheNode; |
| |
| CacheConfiguration (void); |
| |
| DECL_LINK(TimerCallback, Timer*); |
| }; |
| |
| } } } // end of namespace ::sd::slidesorter::cache |
| |
| #endif |
