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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 SVX_DLLPUBLIC Event
{
// time of event in ms
sal_uInt32 mnTime;
// pointer for linked list sorted by mnTime
Event* mpNext;
public:
// constructor/destructor
SAL_DLLPRIVATE explicit Event(sal_uInt32 nTime);
virtual ~Event();
// access to mpNext
SAL_DLLPRIVATE Event* GetNext() const { return mpNext; }
SAL_DLLPRIVATE void SetNext(Event* pNew);
// get/set time
SAL_DLLPRIVATE sal_uInt32 GetTime() const { return mnTime; }
void 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 SVX_DLLPUBLIC EventList
{
// pointer to first entry
Event* mpHead;
public:
// constructor/destructor
SAL_DLLPRIVATE EventList();
virtual ~EventList();
// insert/remove time dependent
SAL_DLLPRIVATE void Insert(Event* pNew);
SAL_DLLPRIVATE void Remove(Event* pOld);
// clear list
SAL_DLLPRIVATE void Clear();
// get first
SAL_DLLPRIVATE Event* GetFirst() { return mpHead; }
};
} // end of namespace animation
} // end of namespace sdr
// scheduler class
namespace sdr
{
namespace animation
{
class SVX_DLLPUBLIC 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
SAL_DLLPRIVATE Scheduler();
virtual ~Scheduler();
// From baseclass Timer, the timeout call
virtual void Invoke() SAL_OVERRIDE;
// get time
SAL_DLLPRIVATE sal_uInt32 GetTime() { return mnTime; }
// #i38135#
SAL_DLLPRIVATE void SetTime(sal_uInt32 nTime);
// execute all ripe events, removes executed ones from the scheduler
SAL_DLLPRIVATE void triggerEvents();
// re-start or stop timer according to event list
SAL_DLLPRIVATE void checkTimeout();
// insert/remove events, wrapper to EventList methods
void InsertEvent(Event* pNew);
SAL_DLLPRIVATE void RemoveEvent(Event* pOld);
// get/set pause
SAL_DLLPRIVATE bool IsPaused() const { return mbIsPaused; }
SAL_DLLPRIVATE void SetPaused(bool bNew);
};
} // end of namespace animation
} // end of namespace sdr
#endif // INCLUDED_SVX_SDR_ANIMATION_SCHEDULER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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