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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SALHELPER_TIMER_HXX_
#define _SALHELPER_TIMER_HXX_
#include <salhelper/simplereferenceobject.hxx>
#include <osl/time.h>
#include "salhelperdllapi.h"
namespace salhelper
{
/** Helper class for easier manipulation with TimeValue.
*
* Times are seconds in UTC since 01.01.1970
*/
struct TTimeValue : public TimeValue
{
TTimeValue()
{
Seconds = 0;
Nanosec = 0;
}
TTimeValue( sal_uInt32 Secs, sal_uInt32 Nano )
{
Seconds = Secs;
Nanosec = Nano;
normalize();
}
TTimeValue(sal_uInt32 MilliSecs)
{
Seconds = MilliSecs / 1000L;
Nanosec = (MilliSecs % 1000) * 1000000L;
normalize();
}
TTimeValue( const TTimeValue& rTimeValue )
{
Seconds = rTimeValue.Seconds;
Nanosec = rTimeValue.Nanosec;
normalize();
}
TTimeValue( const TimeValue& rTimeValue )
{
Seconds = rTimeValue.Seconds;
Nanosec = rTimeValue.Nanosec;
normalize();
}
void SAL_CALL normalize()
{
if ( Nanosec > 1000000000 )
{
Seconds += Nanosec / 1000000000;
Nanosec %= 1000000000;
}
}
void SAL_CALL addTime( const TTimeValue& Delta )
{
Seconds += Delta.Seconds;
Nanosec += Delta.Nanosec;
normalize();
}
sal_Bool SAL_CALL isEmpty() const
{
return ( ( Seconds == 0 ) && ( Nanosec == 0 ) );
}
};
inline sal_Bool operator<( const TTimeValue& rTimeA, const TTimeValue& rTimeB )
{
if ( rTimeA.Seconds < rTimeB.Seconds )
return sal_True;
else if ( rTimeA.Seconds > rTimeB.Seconds )
return sal_False;
else
return ( rTimeA.Nanosec < rTimeB.Nanosec );
}
inline sal_Bool operator>( const TTimeValue& rTimeA, const TTimeValue& rTimeB )
{
if ( rTimeA.Seconds > rTimeB.Seconds )
return sal_True;
else if ( rTimeA.Seconds < rTimeB.Seconds )
return sal_False;
else
return ( rTimeA.Nanosec > rTimeB.Nanosec );
}
inline sal_Bool operator==( const TTimeValue& rTimeA, const TTimeValue& rTimeB )
{
return ( ( rTimeA.Seconds == rTimeB.Seconds ) &&
( rTimeA.Nanosec == rTimeB.Nanosec ) );
}
class TimerManager;
/** Interface for the Timer and handling the event
*/
class SALHELPER_DLLPUBLIC Timer : public salhelper::SimpleReferenceObject
{
public:
/** Constructor.
*/
Timer();
/** Constructor.
*/
Timer( const TTimeValue& Time );
/** Constructor.
*/
Timer( const TTimeValue& Time, const TTimeValue& RepeatTime );
/** Start timer.
*/
void SAL_CALL start();
/** Abort timer prematurely.
*/
void SAL_CALL stop();
/** Returns sal_True if timer is running.
*/
sal_Bool SAL_CALL isTicking() const;
/** Is the timer expired?
*/
sal_Bool SAL_CALL isExpired() const;
/** Does pTimer expires before us?
*/
sal_Bool SAL_CALL expiresBefore( const Timer* pTimer ) const;
/** Set the absolute time when the timer should fire.
*/
void SAL_CALL setAbsoluteTime( const TTimeValue& Time );
/** Set the time to fire to 'now' + Remaining.
*/
void SAL_CALL setRemainingTime( const TTimeValue& Remaining );
/** Set the time to fire to 'now' + Remaining with repeat interveal
* Repeat.
*/
void SAL_CALL setRemainingTime( const TTimeValue& Remaining, const TTimeValue& Repeat );
/** Adds Time to the 'fire time'.
*/
void SAL_CALL addTime( const TTimeValue& Time );
/** Returns the remaining time before timer expiration relative to now.
*/
TTimeValue SAL_CALL getRemainingTime() const;
protected:
/** Destructor.
*/
virtual ~Timer();
/** What should be done when the 'timer fires'.
*/
virtual void SAL_CALL onShot() = 0;
protected:
/** holds (initial) exparation time of this timer.
*/
TTimeValue m_aTimeOut;
/** holds the time of exparation of this timer.
*/
TTimeValue m_aExpired;
/** holds the time interveal of successive expirations.
*/
TTimeValue m_aRepeatDelta;
/** Pointer to the next timer (to fire).
*/
Timer* m_pNext;
private:
/** Copy constructor disabled.
*/
SALHELPER_DLLPRIVATE Timer( const Timer& rTimer );
/** Assignment operator disabled.
*/
SALHELPER_DLLPRIVATE void SAL_CALL operator=( const Timer& rTimer );
friend class TimerManager;
};
}
#endif //_SALHELPER_TIMER_HXX_
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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