summaryrefslogtreecommitdiffstats
path: root/include/svl/lstner.hxx
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /include/svl/lstner.hxx
parentInitial commit. (diff)
downloadlibreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz
libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/svl/lstner.hxx')
-rw-r--r--include/svl/lstner.hxx78
1 files changed, 78 insertions, 0 deletions
diff --git a/include/svl/lstner.hxx b/include/svl/lstner.hxx
new file mode 100644
index 0000000000..f9a35f10a8
--- /dev/null
+++ b/include/svl/lstner.hxx
@@ -0,0 +1,78 @@
+/* -*- 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 .
+ */
+#ifndef INCLUDED_SVL_LSTNER_HXX
+#define INCLUDED_SVL_LSTNER_HXX
+
+#include <svl/svldllapi.h>
+#include <map>
+#include <memory>
+#include <vector>
+#ifdef DBG_UTIL
+#include <sal/backtrace.hxx>
+#endif
+
+class SfxBroadcaster;
+class SfxHint;
+
+//StartListening duplicate handling options
+//Prevent only adds the listener if it's not already added
+//Allow allows duplicate listeners
+//Unexpected, the default, is for the usual case where the
+//listener should only be added once and duplicates are
+//unexpected. In dbgutil mode this tracks where the original
+//listener was added from and reports the duplicate addition
+//as an error
+enum class DuplicateHandling { Unexpected, Prevent, Allow };
+
+class SVL_DLLPUBLIC SfxListener
+{
+ std::vector<SfxBroadcaster*> maBCs;
+#ifdef DBG_UTIL
+ std::map<SfxBroadcaster*, std::unique_ptr<sal::BacktraceState>>
+ maCallStacks;
+#endif
+
+private:
+ const SfxListener& operator=(const SfxListener &) = delete;
+
+public:
+
+ SfxListener() {}
+ SfxListener( const SfxListener &rCopy );
+ virtual ~SfxListener() COVERITY_NOEXCEPT_FALSE;
+
+ void StartListening(SfxBroadcaster& rBroadcaster, DuplicateHandling eDuplicateHanding = DuplicateHandling::Unexpected);
+ void EndListening( SfxBroadcaster& rBroadcaster, bool bRemoveAllDuplicates = false );
+ void EndListeningAll();
+ bool IsListening( SfxBroadcaster& rBroadcaster ) const;
+
+ sal_uInt16 GetBroadcasterCount() const;
+ SfxBroadcaster* GetBroadcasterJOE( sal_uInt16 nNo ) const;
+
+ virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
+
+ void RemoveBroadcaster_Impl( SfxBroadcaster& rBC );
+
+ /// Used to avoid cost of dynamic_cast in SdrViewIter::ImpFindView
+ virtual bool IsSdrView() const { return false; }
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */