1 files changed, 158 insertions, 0 deletions
diff --git a/bf_svtools/source/notify/svt_listener.cxx b/bf_svtools/source/notify/svt_listener.cxx
new file mode 100644
index 000000000..6b6e2df5b
--- /dev/null
+++ b/bf_svtools/source/notify/svt_listener.cxx
@@ -0,0 +1,158 @@
+/* -*- 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 "broadcast.hxx"
+#include "listener.hxx"
+#include "listenerbase.hxx"
+#include "listeneriter.hxx"
+
+namespace binfilter
+{
+
+//====================================================================
+TYPEINIT0(SvtListener);
+
+//====================================================================
+// simple ctor of class SvtListener
+
+SvtListener::SvtListener()
+    : pBrdCastLst( 0 )
+{
+}
+//--------------------------------------------------------------------
+
+// copy ctor of class SvtListener
+
+SvtListener::SvtListener( const SvtListener &rListener )
+    : pBrdCastLst( 0 )
+{
+    SvtListenerBase* pLst = rListener.pBrdCastLst;
+    while( pLst )
+    {
+        new SvtListenerBase( *this, *pLst->GetBroadcaster() );
+        pLst = pLst->GetNext();
+    }
+}
+//--------------------------------------------------------------------
+
+// unregisteres the SvtListener from its SvtBroadcasters
+
+SvtListener::~SvtListener()
+{
+    EndListeningAll();
+}
+
+//--------------------------------------------------------------------
+
+// registeres at a specific SvtBroadcaster
+
+BOOL SvtListener::StartListening( SvtBroadcaster& rBroadcaster )
+{
+    const SvtListenerBase* pLst = pBrdCastLst;
+    while( pLst )
+    {
+        if( &rBroadcaster == pLst->GetBroadcaster() )
+        {
+            // double, than return
+            return FALSE;
+        }
+        pLst = pLst->GetNext();
+    }
+    new SvtListenerBase( *this, rBroadcaster );
+    return TRUE;
+}
+
+//--------------------------------------------------------------------
+
+// unregisteres at a specific SvtBroadcaster
+
+BOOL SvtListener::EndListening( SvtBroadcaster& rBroadcaster )
+{
+    SvtListenerBase *pLst = pBrdCastLst, *pPrev = pLst;
+    while( pLst )
+    {
+        if( &rBroadcaster == pLst->GetBroadcaster() )
+        {
+            if( pBrdCastLst == pLst )
+                pBrdCastLst = pLst->GetNext();
+            else
+                pPrev->SetNext( pLst->GetNext() );
+
+            delete pLst;
+            return TRUE;
+        }
+        pPrev = pLst;
+        pLst = pLst->GetNext();
+    }
+    return FALSE;
+}
+
+//--------------------------------------------------------------------
+
+// unregisteres all Broadcasters
+
+void SvtListener::EndListeningAll()
+{
+    SvtListenerBase *pLst = pBrdCastLst;
+    while( pLst )
+    {
+        SvtListenerBase *pDel = pLst;
+        pLst = pLst->GetNext();
+
+        delete pDel;
+    }
+    pBrdCastLst = 0;
+}
+
+#ifdef DBG_UTIL
+
+BOOL SvtListener::IsListening( SvtBroadcaster& rBroadcaster ) const
+{
+    const SvtListenerBase *pLst = pBrdCastLst;
+    while( pLst )
+    {
+        if( &rBroadcaster == pLst->GetBroadcaster() )
+            break;
+        pLst = pLst->GetNext();
+    }
+    return 0 != pLst;
+}
+
+#endif
+
+//--------------------------------------------------------------------
+
+// base implementation of notification handler
+
+void SvtListener::Notify( SvtBroadcaster&
+#ifdef DBG_UTIL
+rBC
+#endif
+, const SfxHint& )
+{
+    DBG_ASSERT( IsListening( rBC ),
+                "notification from unregistered broadcaster" );
+}
+
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */