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 {
  25 namespace internal {
  26
  27 bool Delay::fire()
  28 {
  29     OSL_ASSERT( isCharged() );
  30     if (isCharged()) {
  31         mbWasFired = true;
  32         maFunc();
  33         maFunc = nullptr; // early release of payload
  34     }
  35     return true;
  36 }
  37
  38 bool Delay::isCharged() const
  39 {
  40     return !mbWasFired;
  41 }
  42
  43 double Delay::getActivationTime( double nCurrentTime ) const
  44 {
  45     return nCurrentTime + mnTimeout;
  46 }
  47
  48 void Delay::dispose()
  49 {
  50     // don't clear unconditionally, because it may currently be executed:
  51     if (isCharged()) {
  52         mbWasFired = true;
  53         maFunc = nullptr; // release of payload
  54     }
  55 }
  56
  57 } // namespace internal
  58 } // namespace presentation
  59
  60 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */