diff options
Diffstat (limited to 'sd/source/ui/slidesorter/cache/SlsCacheConfiguration.hxx')
-rw-r--r-- | sd/source/ui/slidesorter/cache/SlsCacheConfiguration.hxx | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.hxx b/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.hxx new file mode 100644 index 000000000000..034480298006 --- /dev/null +++ b/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.hxx @@ -0,0 +1,74 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 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 |