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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 .
 */

#include <tools/time.hxx>
#include <vcl/timer.hxx>
#include "saltimer.hxx"

void Timer::SetDeletionFlags()
{
    // If no AutoTimer, then stop.
    if ( !mbAuto )
    {
        mpSchedulerData->mbDelete = true;
        mbActive = false;
    }
}

bool Timer::ReadyForSchedule( bool /* bTimerOnly */, sal_uInt64 nTimeNow ) const
{
    return (mpSchedulerData->mnUpdateTime + mnTimeout) <= nTimeNow;
}

bool Timer::IsIdle() const
{
    return false;
}

sal_uInt64 Timer::UpdateMinPeriod( sal_uInt64 nMinPeriod, sal_uInt64 nTime ) const
{
    sal_uInt64 nDeltaTime;
    //determine smallest time slot
    if( mpSchedulerData->mnUpdateTime == nTime )
    {
       nDeltaTime = mnTimeout;
       if( nDeltaTime < nMinPeriod )
           nMinPeriod = nDeltaTime;
    }
    else
    {
        nDeltaTime = mpSchedulerData->mnUpdateTime + mnTimeout;
        if( nDeltaTime < nTime )
            nMinPeriod = ImmediateTimeoutMs;
        else
        {
            nDeltaTime -= nTime;
            if( nDeltaTime < nMinPeriod )
                nMinPeriod = nDeltaTime;
        }
    }

    return nMinPeriod;
}

Timer::Timer(const sal_Char *pDebugName) :
    Scheduler(pDebugName),
    mnTimeout(ImmediateTimeoutMs),
    mbAuto(false)
{
    mePriority = SchedulerPriority::HIGHEST;
}

Timer::Timer( const Timer& rTimer ) :
    Scheduler(rTimer),
    mnTimeout(rTimer.mnTimeout),
    mbAuto(rTimer.mbAuto)
{
    maTimeoutHdl = rTimer.maTimeoutHdl;
}

void Timer::Invoke()
{
    maTimeoutHdl.Call( this );
}

void Timer::Start()
{
    Scheduler::Start();
    Scheduler::ImplStartTimer(mnTimeout);
}

void Timer::SetTimeout( sal_uInt64 nNewTimeout )
{
    mnTimeout = nNewTimeout;
    // If timer is active, then renew clock.
    if ( mbActive )
    {
        Scheduler::ImplStartTimer(mnTimeout);
    }
}

Timer& Timer::operator=( const Timer& rTimer )
{
    Scheduler::operator=(rTimer);
    maTimeoutHdl = rTimer.maTimeoutHdl;
    mnTimeout = rTimer.mnTimeout;
    mbAuto = rTimer.mbAuto;
    return *this;
}

AutoTimer::AutoTimer( const sal_Char *pDebugName )
    : Timer( pDebugName )
{
    mbAuto = true;
}

AutoTimer::AutoTimer( const AutoTimer& rTimer ) : Timer( rTimer )
{
    mbAuto = true;
}

AutoTimer& AutoTimer::operator=( const AutoTimer& rTimer )
{
    Timer::operator=( rTimer );
    return *this;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */