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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_SVX_SDR_ANIMATION_SCHEDULER_HXX
#define INCLUDED_SVX_SDR_ANIMATION_SCHEDULER_HXX
#include <sal/types.h>
#include <vcl/timer.hxx>
#include <svx/svxdllapi.h>
// event class
namespace sdr
{
namespace animation
{
class Event
{
// time of event in ms
sal_uInt32 mnTime;
// pointer for simply linked list
Event* mpNext;
public:
// constructor/destructor
explicit Event(sal_uInt32 nTime);
SVX_DLLPUBLIC virtual ~Event();
// access to mpNext
Event* GetNext() const;
void SetNext(Event* pNew);
// get/set time
sal_uInt32 GetTime() const;
void SVX_DLLPUBLIC SetTime(sal_uInt32 nNew);
// execute event
virtual void Trigger(sal_uInt32 nTime) = 0;
};
} // end of namespace animation
} // end of namespace sdr
// eventlist class
namespace sdr
{
namespace animation
{
class EventList
{
// pointer to first entry
Event* mpHead;
public:
// constructor/destructor
EventList();
SVX_DLLPUBLIC virtual ~EventList();
// insert/remove time dependent
void Insert(Event* pNew);
void Remove(Event* pOld);
// clear list
void Clear();
// get first
Event* GetFirst();
};
} // end of namespace animation
} // end of namespace sdr
// scheduler class
namespace sdr
{
namespace animation
{
class Scheduler : public Timer
{
// time in ms
sal_uInt32 mnTime;
// next delta time
sal_uInt32 mnDeltaTime;
// list of events
EventList maList;
// Flag which remembers if this timer is paused. Default
// is false.
bool mbIsPaused;
public:
// constructor/destructor
Scheduler();
SVX_DLLPUBLIC virtual ~Scheduler();
// From baseclass Timer, the timeout call
SVX_DLLPUBLIC virtual void Timeout() SAL_OVERRIDE;
// get time
sal_uInt32 GetTime();
// #i38135#
void SetTime(sal_uInt32 nTime);
// execute all ripe events, removes executed ones from the scheduler
void triggerEvents();
// re-start or stop timer according to event list
void checkTimeout();
// insert/remove events, wrapper to EventList methods
void SVX_DLLPUBLIC InsertEvent(Event* pNew);
void RemoveEvent(Event* pOld);
// get/set pause
bool IsPaused() const { return mbIsPaused; }
void SetPaused(bool bNew);
};
} // end of namespace animation
} // end of namespace sdr
#endif // INCLUDED_SVX_SDR_ANIMATION_SCHEDULER_HXX
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