/* -*- 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_BRDCST_HXX

#define INCLUDED_SVL_BRDCST_HXX

#include <svl/svldllapi.h>

#include <vector>

#include <functional>

class SfxListener;

class SfxHint;

class SfxBroadcasterTest;

class SVL_DLLPUBLIC SfxBroadcaster

{

    /** Contains the positions of removed listeners. */

    std::vector<size_t>     m_RemovedPositions;

    std::vector<SfxListener*> m_Listeners;

private:

    void                    AddListener( SfxListener& rListener );

    void                    RemoveListener( SfxListener& rListener );

    const SfxBroadcaster&   operator=(const SfxBroadcaster &) = delete;

protected:

    void                    Forward(SfxBroadcaster& rBC, const SfxHint& rHint);

public:

                            SfxBroadcaster() {}

                            SfxBroadcaster( const SfxBroadcaster &rBC );

    virtual                 ~SfxBroadcaster() COVERITY_NOEXCEPT_FALSE;

    void                    Broadcast( const SfxHint &rHint );

    bool                    HasListeners() const;

    /** Get the number of listeners which are registered at this broadcaster */

    size_t                  GetListenerCount() const;

    /** Iterate over all the listeners and call the passed function.

        return true to break the loop.  */

    void  ForAllListeners(const std::function<bool(SfxListener*)>& f) const;

    /** used to avoid dynamic_cast cost */

    virtual bool IsSfxStyleSheet() const;

    friend class SfxListener;

    friend class ::SfxBroadcasterTest;

};

#endif

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */