slideshow/source/engine/delayevent.cxx

   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
  21 #include <osl/diagnose.h>
  22 #include <delayevent.hxx>
  23
  24 namespace slideshow::internal {
  25
  26 bool Delay::fire()
  27 {
  28     OSL_ASSERT( isCharged() );
  29     if (isCharged()) {
  30         mbWasFired = true;
  31         maFunc();
  32         maFunc = nullptr; // early release of payload
  33     }
  34     return true;
  35 }
  36
  37 bool Delay::isCharged() const
  38 {
  39     return !mbWasFired;
  40 }
  41
  42 double Delay::getActivationTime( double nCurrentTime ) const
  43 {
  44     return nCurrentTime + mnTimeout;
  45 }
  46
  47 void Delay::dispose()
  48 {
  49     // don't clear unconditionally, because it may currently be executed:
  50     if (isCharged()) {
  51         mbWasFired = true;
  52         maFunc = nullptr; // release of payload
  53     }
  54 }
  55
  56 } // namespace slideshow::internal
  57
  58 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */