1 files changed, 73 insertions, 0 deletions
diff --git a/sfx2/source/doc/docstoragemodifylistener.cxx b/sfx2/source/doc/docstoragemodifylistener.cxx
new file mode 100644
index 000000000..5c68c2bb8
--- /dev/null
+++ b/sfx2/source/doc/docstoragemodifylistener.cxx
@@ -0,0 +1,73 @@
+/* -*- 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 .
+ */
+
+#include <sfx2/docstoragemodifylistener.hxx>
+#include <comphelper/solarmutex.hxx>
+
+
+namespace sfx2
+{
+
+
+    using ::com::sun::star::lang::EventObject;
+
+
+    //=
+
+
+    DocumentStorageModifyListener::DocumentStorageModifyListener( IModifiableDocument& _rDocument, comphelper::SolarMutex& _rMutex )
+        :m_pDocument( &_rDocument )
+        ,m_rMutex( _rMutex )
+    {
+    }
+
+
+    DocumentStorageModifyListener::~DocumentStorageModifyListener()
+    {
+    }
+
+
+    void DocumentStorageModifyListener::dispose()
+    {
+        ::osl::Guard< comphelper::SolarMutex > aGuard( m_rMutex );
+        m_pDocument = nullptr;
+    }
+
+
+    void SAL_CALL DocumentStorageModifyListener::modified( const EventObject& /*aEvent*/ )
+    {
+        ::osl::Guard< comphelper::SolarMutex > aGuard( m_rMutex );
+        // storageIsModified must not contain any locking!
+        if ( m_pDocument )
+            m_pDocument->storageIsModified();
+    }
+
+
+    void SAL_CALL DocumentStorageModifyListener::disposing( const EventObject& /*Source*/ )
+    {
+        // not interested in. In particular, we do *not* dispose ourself when a storage we're
+        // listening at is disposed. The reason here is that this listener instance is *reused*
+        // in case the document is re-based to another storage.
+    }
+
+
+} // namespace sfx2
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */