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