slideshow/source/engine/activities/continuousactivitybase.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 #ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_CONTINUOUSACTIVITYBASE_HXX
  21 #define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_CONTINUOUSACTIVITYBASE_HXX
  22
  23 #include "simplecontinuousactivitybase.hxx"
  24
  25 namespace slideshow
  26 {
  27     namespace internal
  28     {
  29         /** Simple, continuous animation.
  30
  31             This class implements a simple, continuous
  32             animation. Only addition to ActivityBase class is an
  33             explicit animation duration and a minimal number of
  34             frames to display.
  35         */
  36         class ContinuousActivityBase : public SimpleContinuousActivityBase
  37         {
  38         public:
  39             explicit ContinuousActivityBase( const ActivityParameters& rParms );
  40
  41             using SimpleContinuousActivityBase::perform;
  42
  43             /** Hook for derived classes
  44
  45                 This method will be called from perform(), already
  46                 equipped with the modified time (nMinNumberOfFrames, repeat,
  47                 acceleration and deceleration taken into account).
  48
  49                 @param nModifiedTime
  50                 Already accelerated/decelerated and repeated time, always
  51                 in the [0,1] range.
  52
  53                 @param nRepeatCount
  54                 Number of full repeats already performed
  55             */
  56             virtual void perform( double nModifiedTime, sal_uInt32 nRepeatCount ) const = 0;
  57
  58             /// From SimpleContinuousActivityBase class
  59             virtual void simplePerform( double      nSimpleTime,
  60                                         sal_uInt32  nRepeatCount ) const override;
  61         };
  62     }
  63 }
  64
  65 #endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_CONTINUOUSACTIVITYBASE_HXX
  66
  67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */