1 files changed, 169 insertions, 0 deletions
diff --git a/svl/source/notify/listener.cxx b/svl/source/notify/listener.cxx
new file mode 100644
index 000000000000..7d9a223e1a73
--- /dev/null
+++ b/svl/source/notify/listener.cxx
@@ -0,0 +1,169 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: listener.cxx,v $
+ * $Revision: 1.6 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_svl.hxx"
+#ifndef GCC
+#endif
+
+#ifndef DEBUG_HXX
+#include <tools/debug.hxx>
+#endif
+
+#include "broadcast.hxx"
+#include "listener.hxx"
+#include "listenerbase.hxx"
+#include "listeneriter.hxx"
+
+
+//====================================================================
+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;
+}
+
+//--------------------------------------------------------------------
+
+BOOL SvtListener::IsListening( SvtBroadcaster& rBroadcaster ) const
+{
+    const SvtListenerBase *pLst = pBrdCastLst;
+    while( pLst )
+    {
+        if( &rBroadcaster == pLst->GetBroadcaster() )
+            break;
+        pLst = pLst->GetNext();
+    }
+    return 0 != pLst;
+}
+
+//--------------------------------------------------------------------
+
+// base implementation of notification handler
+
+void SvtListener::Notify( SvtBroadcaster&
+#ifdef DBG_UTIL
+rBC
+#endif
+, const SfxHint& )
+{
+    DBG_ASSERT( IsListening( rBC ),
+                "notification from unregistered broadcaster" );
+}
+
+