1 files changed, 44 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/cache/SlsRequestPriorityClass.hxx b/sd/source/ui/slidesorter/cache/SlsRequestPriorityClass.hxx
new file mode 100644
index 000000000..2c84ecbcf
--- /dev/null
+++ b/sd/source/ui/slidesorter/cache/SlsRequestPriorityClass.hxx
@@ -0,0 +1,44 @@
+/* -*- 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
+
+namespace sd::slidesorter::cache
+{
+/** Each request for a preview creation has a priority.  This enum defines
+    the available priorities.  The special values MIN_CLASS and MAX_CLASS
+    are/can be used for validation and have to be kept up-to-date.
+*/
+enum RequestPriorityClass
+{
+    MIN_CLASS = 0,
+
+    // The slide is visible.  A preview does not yet exist.
+    VISIBLE_NO_PREVIEW = MIN_CLASS,
+    // The slide is visible.  A preview exists but is not up-to-date anymore.
+    VISIBLE_OUTDATED_PREVIEW,
+    // The slide is not visible.
+    NOT_VISIBLE,
+
+    MAX_CLASS = NOT_VISIBLE
+};
+
+} // end of namespace ::sd::slidesorter::cache
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */