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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_DISCRETEACTIVITYBASE_HXX
#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_DISCRETEACTIVITYBASE_HXX
#include "activitybase.hxx"
#include <wakeupevent.hxx>
#include <vector>
namespace slideshow::internal
{
/** Specialization of ActivityBase for discrete time activities.
A discrete time activity is one where time proceeds in
discrete steps, i.e. at given time instants.
*/
class DiscreteActivityBase : public ActivityBase
{
public:
explicit DiscreteActivityBase( const ActivityParameters& rParms );
/** Hook for derived classes.
This method is called for each discrete time
instant, with nFrame denoting the frame number
(starting with 0)
@param nFrame
Current frame number.
@param nRepeatCount
Number of full repeats already performed
*/
virtual void perform( sal_uInt32 nFrame, sal_uInt32 nRepeatCount ) const = 0;
virtual void dispose() override;
virtual bool perform() override;
protected:
virtual void startAnimation() override;
sal_uInt32 calcFrameIndex( sal_uInt32 nCurrCalls,
::std::size_t nVectorSize ) const;
sal_uInt32 calcRepeatCount( sal_uInt32 nCurrCalls,
::std::size_t nVectorSize ) const;
::std::size_t getNumberOfKeyTimes() const { return maDiscreteTimes.size(); }
private:
WakeupEventSharedPtr mpWakeupEvent;
const ::std::vector< double > maDiscreteTimes;
const double mnSimpleDuration;
sal_uInt32 mnCurrPerformCalls;
};
}
#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_ACTIVITIES_DISCRETEACTIVITYBASE_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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