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/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"
#include <tools/time.hxx>
#include <tools/debug.hxx>
#include <vcl/svapp.hxx>
#include <vcl/timer.hxx>
#include <saltimer.hxx>
#include <svdata.hxx>
#include <salinst.hxx>
// =======================================================================
#define MAX_TIMER_PERIOD ((sal_uLong)0xFFFFFFFF)
// ---------------------
// - TimeManager-Types -
// ---------------------
struct ImplTimerData
{
ImplTimerData* mpNext; // Pointer to the next Instance
Timer* mpSVTimer; // Pointer to SV Timer instance
sal_uLong mnUpdateTime; // Last Update Time
sal_uLong mnTimerUpdate; // TimerCallbackProcs on stack
sal_Bool mbDelete; // Wurde Timer waehren Update() geloescht
sal_Bool mbInTimeout; // Befinden wir uns im Timeout-Handler
};
// =======================================================================
void Timer::ImplDeInitTimer()
{
ImplSVData* pSVData = ImplGetSVData();
ImplTimerData* pTimerData = pSVData->mpFirstTimerData;
if ( pTimerData )
{
do
{
ImplTimerData* pTempTimerData = pTimerData;
if ( pTimerData->mpSVTimer )
{
pTimerData->mpSVTimer->mbActive = sal_False;
pTimerData->mpSVTimer->mpTimerData = NULL;
}
pTimerData = pTimerData->mpNext;
delete pTempTimerData;
}
while ( pTimerData );
pSVData->mpFirstTimerData = NULL;
pSVData->mnTimerPeriod = 0;
delete pSVData->mpSalTimer;
pSVData->mpSalTimer = NULL;
}
}
// -----------------------------------------------------------------------
static void ImplStartTimer( ImplSVData* pSVData, sal_uLong nMS )
{
if ( !nMS )
nMS = 1;
if ( nMS != pSVData->mnTimerPeriod )
{
pSVData->mnTimerPeriod = nMS;
pSVData->mpSalTimer->Start( nMS );
}
}
// -----------------------------------------------------------------------
void Timer::ImplTimerCallbackProc()
{
ImplSVData* pSVData = ImplGetSVData();
ImplTimerData* pTimerData;
ImplTimerData* pPrevTimerData;
sal_uLong nMinPeriod = MAX_TIMER_PERIOD;
sal_uLong nDeltaTime;
sal_uLong nTime = Time::GetSystemTicks();
if ( pSVData->mbNoCallTimer )
return;
pSVData->mnTimerUpdate++;
pSVData->mbNotAllTimerCalled = sal_True;
// Suche Timer raus, wo der Timeout-Handler gerufen werden muss
pTimerData = pSVData->mpFirstTimerData;
while ( pTimerData )
{
// Wenn Timer noch nicht neu ist und noch nicht geloescht wurde
// und er sich nicht im Timeout-Handler befindet,
// dann den Handler rufen, wenn die Zeit abgelaufen ist
if ( (pTimerData->mnTimerUpdate < pSVData->mnTimerUpdate) &&
!pTimerData->mbDelete && !pTimerData->mbInTimeout )
{
// Zeit abgelaufen
if ( (pTimerData->mnUpdateTime+pTimerData->mpSVTimer->mnTimeout) <= nTime )
{
// Neue Updatezeit setzen
pTimerData->mnUpdateTime = nTime;
// kein AutoTimer, dann anhalten
if ( !pTimerData->mpSVTimer->mbAuto )
{
pTimerData->mpSVTimer->mbActive = sal_False;
pTimerData->mbDelete = sal_True;
}
// call Timeout
pTimerData->mbInTimeout = sal_True;
pTimerData->mpSVTimer->Timeout();
pTimerData->mbInTimeout = sal_False;
}
}
pTimerData = pTimerData->mpNext;
}
// Neue Zeit ermitteln
sal_uLong nNewTime = Time::GetSystemTicks();
pPrevTimerData = NULL;
pTimerData = pSVData->mpFirstTimerData;
while ( pTimerData )
{
// Befindet sich Timer noch im Timeout-Handler, dann ignorieren
if ( pTimerData->mbInTimeout )
{
pPrevTimerData = pTimerData;
pTimerData = pTimerData->mpNext;
}
// Wurde Timer zwischenzeitlich zerstoert ?
else if ( pTimerData->mbDelete )
{
if ( pPrevTimerData )
pPrevTimerData->mpNext = pTimerData->mpNext;
else
pSVData->mpFirstTimerData = pTimerData->mpNext;
if ( pTimerData->mpSVTimer )
pTimerData->mpSVTimer->mpTimerData = NULL;
ImplTimerData* pTempTimerData = pTimerData;
pTimerData = pTimerData->mpNext;
delete pTempTimerData;
}
else
{
pTimerData->mnTimerUpdate = 0;
// kleinste Zeitspanne ermitteln
if ( pTimerData->mnUpdateTime == nTime )
{
nDeltaTime = pTimerData->mpSVTimer->mnTimeout;
if ( nDeltaTime < nMinPeriod )
nMinPeriod = nDeltaTime;
}
else
{
nDeltaTime = pTimerData->mnUpdateTime + pTimerData->mpSVTimer->mnTimeout;
if ( nDeltaTime < nNewTime )
nMinPeriod = 1;
else
{
nDeltaTime -= nNewTime;
if ( nDeltaTime < nMinPeriod )
nMinPeriod = nDeltaTime;
}
}
pPrevTimerData = pTimerData;
pTimerData = pTimerData->mpNext;
}
}
// Wenn keine Timer mehr existieren, dann Clock loeschen
if ( !pSVData->mpFirstTimerData )
{
pSVData->mpSalTimer->Stop();
pSVData->mnTimerPeriod = MAX_TIMER_PERIOD;
}
else
ImplStartTimer( pSVData, nMinPeriod );
pSVData->mnTimerUpdate--;
pSVData->mbNotAllTimerCalled = sal_False;
}
// =======================================================================
Timer::Timer()
{
mpTimerData = NULL;
mnTimeout = 1;
mbAuto = sal_False;
mbActive = sal_False;
}
// -----------------------------------------------------------------------
Timer::Timer( const Timer& rTimer )
{
mpTimerData = NULL;
mnTimeout = rTimer.mnTimeout;
mbAuto = sal_False;
mbActive = sal_False;
maTimeoutHdl = rTimer.maTimeoutHdl;
if ( rTimer.IsActive() )
Start();
}
// -----------------------------------------------------------------------
Timer::~Timer()
{
if ( mpTimerData )
{
mpTimerData->mbDelete = sal_True;
mpTimerData->mpSVTimer = NULL;
}
}
// -----------------------------------------------------------------------
void Timer::Timeout()
{
maTimeoutHdl.Call( this );
}
// -----------------------------------------------------------------------
void Timer::SetTimeout( sal_uLong nNewTimeout )
{
mnTimeout = nNewTimeout;
// Wenn Timer aktiv, dann Clock erneuern
if ( mbActive )
{
ImplSVData* pSVData = ImplGetSVData();
if ( !pSVData->mnTimerUpdate && (mnTimeout < pSVData->mnTimerPeriod) )
ImplStartTimer( pSVData, mnTimeout );
}
}
// -----------------------------------------------------------------------
void Timer::Start()
{
mbActive = sal_True;
ImplSVData* pSVData = ImplGetSVData();
if ( !mpTimerData )
{
if ( !pSVData->mpFirstTimerData )
{
pSVData->mnTimerPeriod = MAX_TIMER_PERIOD;
if( ! pSVData->mpSalTimer )
{
pSVData->mpSalTimer = pSVData->mpDefInst->CreateSalTimer();
pSVData->mpSalTimer->SetCallback( ImplTimerCallbackProc );
}
}
// insert timer and start
mpTimerData = new ImplTimerData;
mpTimerData->mpSVTimer = this;
mpTimerData->mnUpdateTime = Time::GetSystemTicks();
mpTimerData->mnTimerUpdate = pSVData->mnTimerUpdate;
mpTimerData->mbDelete = sal_False;
mpTimerData->mbInTimeout = sal_False;
// !!!!! Wegen SFX hinten einordnen !!!!!
ImplTimerData* pPrev = NULL;
ImplTimerData* pData = pSVData->mpFirstTimerData;
while ( pData )
{
pPrev = pData;
pData = pData->mpNext;
}
mpTimerData->mpNext = NULL;
if ( pPrev )
pPrev->mpNext = mpTimerData;
else
pSVData->mpFirstTimerData = mpTimerData;
if ( mnTimeout < pSVData->mnTimerPeriod )
ImplStartTimer( pSVData, mnTimeout );
}
else if( !mpTimerData->mpSVTimer ) // TODO: remove when guilty found
{
DBG_ERROR( "Timer::Start() on a destroyed Timer!" );
}
else
{
mpTimerData->mnUpdateTime = Time::GetSystemTicks();
mpTimerData->mnTimerUpdate = pSVData->mnTimerUpdate;
mpTimerData->mbDelete = sal_False;
}
}
// -----------------------------------------------------------------------
void Timer::Stop()
{
mbActive = sal_False;
if ( mpTimerData )
mpTimerData->mbDelete = sal_True;
}
// -----------------------------------------------------------------------
Timer& Timer::operator=( const Timer& rTimer )
{
if ( IsActive() )
Stop();
mbActive = sal_False;
mnTimeout = rTimer.mnTimeout;
maTimeoutHdl = rTimer.maTimeoutHdl;
if ( rTimer.IsActive() )
Start();
return *this;
}
// =======================================================================
AutoTimer::AutoTimer()
{
mbAuto = sal_True;
}
// -----------------------------------------------------------------------
AutoTimer::AutoTimer( const AutoTimer& rTimer ) : Timer( rTimer )
{
mbAuto = sal_True;
}
// -----------------------------------------------------------------------
AutoTimer& AutoTimer::operator=( const AutoTimer& rTimer )
{
Timer::operator=( rTimer );
return *this;
}
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