sc/inc/listenercalls.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 <list>
  23 #include <utility>
  24 #include <com/sun/star/uno/Reference.hxx>
  25 #include <com/sun/star/lang/EventObject.hpp>
  26
  27 namespace com::sun::star {
  28     namespace util {
  29         class XModifyListener;
  30     }
  31 }
  32
  33 struct ScUnoListenerEntry
  34 {
  35     css::uno::Reference<
  36         css::util::XModifyListener >   xListener;
  37     css::lang::EventObject             aEvent;
  38
  39     ScUnoListenerEntry( css::uno::Reference< css::util::XModifyListener > xL,
  40                         css::lang::EventObject aE ) :
  41         xListener(std::move( xL )),
  42         aEvent(std::move( aE ))
  43     {}
  44 };
  45
  46 /** ScUnoListenerCalls stores notifications to XModifyListener that can't be processed
  47     during BroadcastUno and calls them together at the end.
  48 */
  49 class ScUnoListenerCalls
  50 {
  51 private:
  52     // Must be list, not vector, to not invalidate iterators, see
  53     // ExecuteAndClear() implementation.
  54     ::std::list<ScUnoListenerEntry> aEntries;
  55
  56 public:
  57                 ScUnoListenerCalls();
  58                 ~ScUnoListenerCalls();
  59
  60     void        Add( const css::uno::Reference< css::util::XModifyListener >& rListener,
  61                      const css::lang::EventObject& rEvent );
  62     void        ExecuteAndClear();
  63 };
  64
  65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */