1 files changed, 68 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 0000000000..d53bcd713f
--- /dev/null
+++ b/sd/source/ui/slidesorter/cache/SlsCacheConfiguration.hxx
@@ -0,0 +1,68 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#pragma once
+
+#include <com/sun/star/uno/Any.hxx>
+#include <vcl/timer.hxx>
+#include <memory>
+
+namespace com::sun::star::container
+{
+class XNameAccess;
+}
+
+namespace sd::slidesorter::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 std::shared_ptr<CacheConfiguration> Instance();
+
+    static void Shutdown();
+
+    /** Look up the specified value in
+        MultiPaneGUI/SlideSorter/PreviewCache.   When the specified value
+        does not exist then an empty Any is returned.
+    */
+    css::uno::Any GetValue(const OUString& rName);
+
+private:
+    /** When a caller holds a reference after we have released ours we use
+        this weak pointer to avoid creating a new instance.
+    */
+    static std::weak_ptr<CacheConfiguration> mpWeakInstance;
+    Timer m_ReleaseTimer;
+    css::uno::Reference<css::container::XNameAccess> mxCacheNode;
+
+    CacheConfiguration();
+
+    DECL_STATIC_LINK(CacheConfiguration, TimerCallback, Timer*, void);
+};
+
+} // end of namespace ::sd::slidesorter::cache
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */