[API CHANGE] tdf#144512: keep autosave interval separately for each document

Maybe this would make a better UX, as the request suggests ... or maybe not.

css::document::XDocumentRecovery2 is introduced for this, allowing to query
the document dirty state duration.

Change-Id: I25997788bc5da261f7e4131616ab8d4a245de380
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/154505
Tested-by: Jenkins
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

2 files changed, 48 insertions, 0 deletions

diff --git a/offapi/UnoApi_offapi.mk b/offapi/UnoApi_offapi.mk
index 7ee71bb984c1..7ba36b4bd065 100644
--- a/offapi/UnoApi_offapi.mk
+++ b/offapi/UnoApi_offapi.mk
@@ -2231,6 +2231,7 @@ $(eval $(call gb_UnoApi_add_idlfiles,offapi,com/sun/star/document,\
 	XDocumentProperties \
 	XDocumentPropertiesSupplier \
 	XDocumentRecovery \
+	XDocumentRecovery2 \
 	XDocumentRevisionListPersistence \
 	XDocumentSubStorageSupplier \
 	XEmbeddedObjectResolver \
diff --git a/offapi/com/sun/star/document/XDocumentRecovery2.idl b/offapi/com/sun/star/document/XDocumentRecovery2.idl
new file mode 100644
index 000000000000..2592c3c7ef07
--- /dev/null
+++ b/offapi/com/sun/star/document/XDocumentRecovery2.idl
@@ -0,0 +1,47 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
+/*
+ * 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 .
+ */
+
+
+module com { module sun { module star { module document {
+
+
+/** An optional interface to be implemented by documents that wish to participate
+    in the document emergency-save / recovery process. Extends XDocumentRecovery
+    by providing a method to query how much time elapsed since modified state of
+    the document was set.
+
+    @since LibreOffice 24.2
+
+ */
+interface XDocumentRecovery2: ::com::sun::star::document::XDocumentRecovery
+{
+    /** queries the time elapsed since the document became modified
+
+        @returns
+            duration in milliseconds since modified state of the document was set,
+            or -1 if not modified.
+    */
+    hyper getModifiedStateDuration();
+};
+
+
+}; }; }; };
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */