41f1b2bd1d
and provide an optimised copy constructor, we can avoid a bunch of work. Change-Id: I3a373fbbfab02455e6a65e9036b3629366174379 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105205 Tested-by: Noel Grandin <noel.grandin@collabora.co.uk> Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVL_LSTNER_HXX
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#define INCLUDED_SVL_LSTNER_HXX
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#include <svl/svldllapi.h>
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#include <map>
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#include <memory>
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#include <vector>
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#ifdef DBG_UTIL
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#include <sal/backtrace.hxx>
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#endif
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class SfxBroadcaster;
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class SfxHint;
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//StartListening duplicate handling options
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//Prevent only adds the listener if it's not already added
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//Allow allows duplicate listeners
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//Unexpected, the default, is for the usual case where the
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//listener should only be added once and duplicates are
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//unexpected. In dbgutil mode this tracks where the original
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//listener was added from and reports the duplicate addition
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//as an error
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enum class DuplicateHandling { Unexpected, Prevent, Allow };
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class SVL_DLLPUBLIC SfxListener
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{
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std::vector<SfxBroadcaster*> maBCs;
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#ifdef DBG_UTIL
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std::map<SfxBroadcaster*, std::unique_ptr<sal::BacktraceState>>
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maCallStacks;
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#endif
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private:
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const SfxListener& operator=(const SfxListener &) = delete;
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public:
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SfxListener() {}
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SfxListener( const SfxListener &rCopy );
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virtual ~SfxListener() COVERITY_NOEXCEPT_FALSE;
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void StartListening(SfxBroadcaster& rBroadcaster, DuplicateHandling eDuplicateHanding = DuplicateHandling::Unexpected);
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void EndListening( SfxBroadcaster& rBroadcaster, bool bRemoveAllDuplicates = false );
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void EndListeningAll();
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bool IsListening( SfxBroadcaster& rBroadcaster ) const;
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sal_uInt16 GetBroadcasterCount() const;
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SfxBroadcaster* GetBroadcasterJOE( sal_uInt16 nNo ) const;
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virtual void Notify( SfxBroadcaster& rBC, const SfxHint& rHint );
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void RemoveBroadcaster_Impl( SfxBroadcaster& rBC );
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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