vcl/inc/vcleventlisteners.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #pragma once
  21
  22 #include <tools/link.hxx>
  23 #include <vcl/vclevent.hxx>
  24
  25 #include <vector>
  26
  27 class VclEventListeners
  28 {
  29 public:
  30     void Call(VclSimpleEvent& rEvent) const;
  31     void addListener(const Link<VclSimpleEvent&, void>& rListener);
  32     void removeListener(const Link<VclSimpleEvent&, void>& rListener);
  33
  34 private:
  35     std::vector<Link<VclSimpleEvent&, void>> m_aListeners;
  36     mutable bool m_updated = false;
  37 };
  38
  39 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */