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/*************************************************************************
*
* 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 _VOS_TIMER_HXX_
#define _VOS_TIMER_HXX_
# include <vos/refernce.hxx>
# include <vos/mutex.hxx>
# include <osl/time.h>
namespace vos
{
/////////////////////////////////////////////////////////////////////////////
//
// TTimeValue
//
/** <code> struct TTimeValue </code> : class for times. Times are seconds in UTC since 01.01.1970
*/
struct TTimeValue : public TimeValue
{
TTimeValue()
{ Seconds = 0; Nanosec = 0; }
TTimeValue(sal_uInt32 Seconds, sal_uInt32 Nano);
TTimeValue(sal_uInt32 MilliSecs)
{ Seconds = MilliSecs / 1000L; Nanosec = (MilliSecs % 1000) * 1000000L; }
TTimeValue(const TTimeValue& rTimeValue)
{ Seconds = rTimeValue.Seconds; Nanosec = rTimeValue.Nanosec; }
TTimeValue(const TimeValue& rTimeValue)
{ Seconds = rTimeValue.Seconds; Nanosec = rTimeValue.Nanosec; }
void SAL_CALL normalize();
void SAL_CALL addTime(const TTimeValue& Delta);
sal_Bool SAL_CALL isEmpty() const;
};
inline void TTimeValue::normalize()
{
if (Nanosec > 1000000000)
{
Seconds += Nanosec / 1000000000;
Nanosec %= 1000000000;
}
}
inline TTimeValue::TTimeValue(sal_uInt32 Secs, sal_uInt32 Nano)
{
Seconds = Secs;
Nanosec = Nano;
normalize();
}
inline void TTimeValue::addTime(const TTimeValue& Time)
{
Seconds += Time.Seconds;
Nanosec += Time.Nanosec;
normalize();
}
inline sal_Bool TTimeValue::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));
}
/////////////////////////////////////////////////////////////////////////////
//
// Timer class
//
class OTimerManager;
/** <code> class OTimer </code> : Interface for the Timer and handling the event
*/
class OTimer : virtual public OReference , virtual public OObject
{
VOS_DECLARE_CLASSINFO(VOS_NAMESPACE(OTimer, vos));
public:
/// constructor
OTimer();
/// constructor
OTimer(const TTimeValue& Time);
/// constructor
OTimer(const TTimeValue& Time, const TTimeValue& RepeatTime);
/// start timer.
void SAL_CALL start();
/// abort timer prematurely.
void SAL_CALL stop();
/// returns <code> sal_True </code> if timer is running.
sal_Bool SAL_CALL isTicking() const;
/// is the timer expired?
sal_Bool SAL_CALL isExpired() const;
/// does <code> pTimer </code> expires before us?
sal_Bool SAL_CALL expiresBefore(const OTimer* 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' + <code> Remaining </code>
void SAL_CALL setRemainingTime(const TTimeValue& Remaining);
/// set the time to fire to 'now' + <code> Remaining </code> with repeat interveal <code> Repeat </code>
void SAL_CALL setRemainingTime(const TTimeValue& Remaining, const TTimeValue& Repeat);
/// adds <code> Time </code> 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 ~OTimer();
/// what should be done when the 'timer fires'
virtual void SAL_CALL onShot() = 0;
/// holds (initial) exparation time of this timer
TTimeValue m_TimeOut;
/// holds the time of exparation of this timer
TTimeValue m_Expired;
/// holds the time interveal of successive exparations
TTimeValue m_RepeatDelta;
/// Pointer to the next timer (to fire)
OTimer* m_pNext;
private:
/// copy constructor disabled
OTimer(const OTimer& rTimer);
/// assignment operator disabled
void SAL_CALL operator=(const OTimer& rTimer);
friend class OTimerManager;
};
}
#endif //_VOS_TIMER_HXX_
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