office-gobmx/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.hxx

74 lines
2.6 KiB
C++

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#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