1 files changed, 72 insertions, 0 deletions
diff --git a/bf_svtools/source/notify/svt_listenerbase.cxx b/bf_svtools/source/notify/svt_listenerbase.cxx
new file mode 100644
index 000000000..09278419b
--- /dev/null
+++ b/bf_svtools/source/notify/svt_listenerbase.cxx
@@ -0,0 +1,72 @@
+/* -*- 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 <tools/debug.hxx>
+
+#include "listenerbase.hxx"
+#include "listeneriter.hxx"
+#include "listener.hxx"
+#include "broadcast.hxx"
+
+namespace binfilter
+{
+
+
+SvtListenerBase::SvtListenerBase( SvtListener& rLst,
+                                  SvtBroadcaster& rBroadcaster )
+    : pLeft( 0 ), pRight( 0 ),
+    pBroadcaster( &rBroadcaster ), pListener( &rLst )
+{
+    pNext = rLst.pBrdCastLst;
+    rLst.pBrdCastLst = this;
+
+    if( pBroadcaster->pRoot )
+    {
+        // set ever behind the root
+        pRight = pBroadcaster->pRoot->pRight;
+        pBroadcaster->pRoot->pRight = this;
+        this->pLeft = pBroadcaster->pRoot;
+        if( pRight )
+            pRight->pLeft = this;
+    }
+    else
+        pBroadcaster->pRoot = this;
+}
+
+SvtListenerBase::~SvtListenerBase()
+{
+    SvtListenerBase *pR = pRight, *pL = pLeft;
+    if( pBroadcaster->pRoot )
+        pBroadcaster->pRoot = pL ? pL : pR;
+
+    if( pL )
+        pL->pRight = pR;
+    if( pR )
+        pR->pLeft = pL;
+
+    SvtListenerIter::RemoveListener( *this, pR );
+
+    if( !pBroadcaster->pRoot )
+        pBroadcaster->ListenersGone();
+}
+
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */