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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * 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
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */