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+/* -*- 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 .
+ */
+#ifndef __com_sun_star_frame_SessionManager_idl__
+#define __com_sun_star_frame_SessionManager_idl__
+
+#include <com/sun/star/frame/XSessionManagerClient.idl>
+
+
+ module com {  module sun {  module star {  module frame {
+
+/** The SessionManager service provides an interface to the session manager
+    of the desktop. A session manager keeps track of applications that are
+    running when the desktop shuts down and starts them again in the same
+    state they were left when the desktop starts up the next time. To be able
+    to do this the session manager needs cooperation from applications;
+    applications have to provide sufficient information to be started again as
+    well as restore the state they were left in. The normal flow of operation
+    looks like this:
+
+    <ol>
+    <li>The user starts the desktop shutdown.</li>
+    <li>The session manager informs all its connected applications
+    about the pending shutdown.</li>
+    <li>Each application saves its current state; while doing this it may
+        <ul>
+        <li>The application may request to interact with the user (e.g. to ask
+        where to save documents). This request is necessary because at any one
+        time only one application can interact with the user. The session manager
+        coordinates these requests and grants every application in need of user
+        interaction a timeslot in which it may interact with the user</li>
+        <li>try to cancel the whole shutdown; the session manager may or may
+        not honor that request.</li>
+       </ul>
+     </li>
+     <li>After saving is done the session manager signals all applications
+     to exit.</li>
+     <li>Applications answer the exit message by disconnecting from the
+     session manager.</li>
+     <li>After all applications have exited or a reasonable timeout the
+     session manager kills all remaining applications and finally lets the
+     desktop shut down.</li>
+     </ol>
+*/
+service SessionManager
+{
+    /** XSessionManagerClient (of which there can only be one instance per
+        process) provides an application's interface to the session manager.
+        It keeps track of every listener inside the application and multiplexes
+        the session manager's signals as well as requests to the session manager.
+    */
+    interface XSessionManagerClient;
+
+};
+
+}; }; }; };
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */