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+/*************************************************************************
+ *
+ * $RCSfile: timer.cxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 17:05:35 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library 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 for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+
+#define _SV_TIMER_CXX
+
+#ifndef _SV_SVSYS_HXX
+#include <svsys.h>
+#endif
+
+#ifndef REMOTE_APPSERVER
+#ifndef _SV_SALTIMER_HXX
+#include <saltimer.hxx>
+#endif
+#else
+#include <rmevents.hxx>
+#endif
+
+#ifndef _TIME_HXX
+#include <tools/time.hxx>
+#endif
+
+#ifndef _SV_SVDATA_HXX
+#include <svdata.hxx>
+#endif
+#ifndef _SV_SVAPP_HXX
+#include <svapp.hxx>
+#endif
+
+#define protected public
+#ifndef _SV_TIMER_HXX
+#include <timer.hxx>
+#endif
+#undef protected
+
+#pragma hdrstop
+
+// =======================================================================
+
+#define MAX_TIMER_PERIOD ((ULONG)0xFFFFFFFF)
+
+// ---------------------
+// - TimeManager-Types -
+// ---------------------
+
+struct ImplTimerData
+{
+ ImplTimerData* mpNext; // Pointer to the next Instance
+ Timer* mpSVTimer; // Pointer to SV Timer instance
+ ULONG mnUpdateTime; // Last Update Time
+ ULONG mnTimerUpdate; // TimerCallbackProcs on stack
+ BOOL mbDelete; // Wurde Timer waehren Update() geloescht
+ BOOL mbInTimeout; // Befinden wir uns im Timeout-Handler
+};
+
+// =======================================================================
+
+void ImplDeInitTimer()
+{
+ ImplSVData* pSVData = ImplGetSVData();
+ ImplTimerData* pTimerData = pSVData->mpFirstTimerData;
+
+ if ( pTimerData )
+ {
+ do
+ {
+ ImplTimerData* pTempTimerData = pTimerData;
+ if ( pTimerData->mpSVTimer )
+ {
+ pTimerData->mpSVTimer->mbActive = FALSE;
+ pTimerData->mpSVTimer->mpTimerData = NULL;
+ }
+ pTimerData = pTimerData->mpNext;
+ delete pTempTimerData;
+ }
+ while ( pTimerData );
+
+ pSVData->mpFirstTimerData = NULL;
+ pSVData->mnTimerPeriod = 0;
+#ifndef REMOTE_APPSERVER
+ SalTimer::Stop();
+#else
+ if ( pSVData->mpOTimer )
+ pSVData->mpOTimer->StopTimer();
+#endif
+ }
+}
+
+// -----------------------------------------------------------------------
+
+static void ImplStartTimer( ImplSVData* pSVData, ULONG nMS )
+{
+ if ( !nMS )
+ nMS = 1;
+
+#ifndef REMOTE_APPSERVER
+ if ( nMS != pSVData->mnTimerPeriod )
+ {
+ pSVData->mnTimerPeriod = nMS;
+ SalTimer::Start( nMS );
+ }
+#else
+ pSVData->mnTimerPeriod = nMS;
+ if ( !pSVData->mpOTimer )
+ {
+ pSVData->mpOTimer = new VclOTimer;
+ pSVData->mpOTimer->acquire();
+ }
+ else
+ pSVData->mpOTimer->StopTimer();
+ pSVData->mpOTimer->setRemainingTime( nMS, 0 );
+ pSVData->mpOTimer->StartTimer();
+#endif
+}
+
+// -----------------------------------------------------------------------
+
+void ImplTimerCallbackProc()
+{
+ ImplSVData* pSVData = ImplGetSVData();
+ ImplTimerData* pTimerData;
+ ImplTimerData* pPrevTimerData;
+ ULONG nMinPeriod = MAX_TIMER_PERIOD;
+ ULONG nDeltaTime;
+ ULONG nTime = Time::GetSystemTicks();
+
+ if ( pSVData->mbNoCallTimer )
+ return;
+
+ pSVData->mnTimerUpdate++;
+ pSVData->mbNotAllTimerCalled = 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 = FALSE;
+ pTimerData->mbDelete = TRUE;
+ }
+
+ // call Timeout
+ pTimerData->mbInTimeout = TRUE;
+ pTimerData->mpSVTimer->Timeout();
+ pTimerData->mbInTimeout = FALSE;
+ }
+ }
+
+ pTimerData = pTimerData->mpNext;
+ }
+
+ // Neue Zeit ermitteln
+ 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 )
+ {
+#ifndef REMOTE_APPSERVER
+ SalTimer::Stop();
+#else
+ if ( pSVData->mpOTimer )
+ pSVData->mpOTimer->StopTimer();
+#endif
+ pSVData->mnTimerPeriod = MAX_TIMER_PERIOD;
+ }
+ else
+ ImplStartTimer( pSVData, nMinPeriod );
+
+ pSVData->mnTimerUpdate--;
+ pSVData->mbNotAllTimerCalled = FALSE;
+}
+
+// =======================================================================
+
+#ifdef REMOTE_APPSERVER
+
+VclOTimer::VclOTimer() :
+ maTimeoutHdl( LINK( this, VclOTimer, Timeout ) )
+{
+ mbSend = FALSE;
+}
+
+void SAL_CALL VclOTimer::onShot()
+{
+ stop(); // start wird durch ImplTimerCallbackProc() gerufen
+ if ( !mbSend )
+ {
+ mbSend = TRUE;
+ if ( !Application::PostUserEvent( maTimeoutHdl ) )
+ {
+ mbSend = FALSE;
+ start();
+ }
+ }
+}
+
+IMPL_LINK( VclOTimer, Timeout, void*, EMPTYARG )
+{
+ mbSend = FALSE;
+ ImplTimerCallbackProc();
+ return 0;
+}
+
+void VclOTimer::StartTimer()
+{
+ start();
+}
+
+void VclOTimer::StopTimer()
+{
+ stop();
+}
+
+#endif
+
+// =======================================================================
+
+Timer::Timer()
+{
+ mpTimerData = NULL;
+ mnTimeout = 1;
+ mbAuto = FALSE;
+ mbActive = FALSE;
+}
+
+// -----------------------------------------------------------------------
+
+Timer::Timer( const Timer& rTimer )
+{
+ mpTimerData = NULL;
+ mnTimeout = rTimer.mnTimeout;
+ mbAuto = FALSE;
+ mbActive = FALSE;
+ maTimeoutHdl = rTimer.maTimeoutHdl;
+
+ if ( rTimer.IsActive() )
+ Start();
+}
+
+// -----------------------------------------------------------------------
+
+Timer::~Timer()
+{
+ if ( mpTimerData )
+ {
+ mpTimerData->mbDelete = TRUE;
+ mpTimerData->mpSVTimer = NULL;
+ }
+}
+
+// -----------------------------------------------------------------------
+
+void Timer::Timeout()
+{
+ maTimeoutHdl.Call( this );
+}
+
+// -----------------------------------------------------------------------
+
+void Timer::SetTimeout( 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 = TRUE;
+
+ ImplSVData* pSVData = ImplGetSVData();
+ if ( !mpTimerData )
+ {
+ if ( !pSVData->mpFirstTimerData )
+ {
+ pSVData->mnTimerPeriod = MAX_TIMER_PERIOD;
+#ifndef REMOTE_APPSERVER
+ SalTimer::SetCallback( ImplTimerCallbackProc );
+#endif
+ }
+
+ // insert timer and start
+ mpTimerData = new ImplTimerData;
+ mpTimerData->mpSVTimer = this;
+ mpTimerData->mnUpdateTime = Time::GetSystemTicks();
+ mpTimerData->mnTimerUpdate = pSVData->mnTimerUpdate;
+ mpTimerData->mbDelete = FALSE;
+ mpTimerData->mbInTimeout = 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
+ {
+ mpTimerData->mnUpdateTime = Time::GetSystemTicks();
+ mpTimerData->mnTimerUpdate = pSVData->mnTimerUpdate;
+ mpTimerData->mbDelete = FALSE;
+ }
+}
+
+// -----------------------------------------------------------------------
+
+void Timer::Stop()
+{
+ mbActive = FALSE;
+
+ if ( mpTimerData )
+ mpTimerData->mbDelete = TRUE;
+}
+
+// -----------------------------------------------------------------------
+
+Timer& Timer::operator=( const Timer& rTimer )
+{
+ if ( IsActive() )
+ Stop();
+
+ mbActive = FALSE;
+ mnTimeout = rTimer.mnTimeout;
+ maTimeoutHdl = rTimer.maTimeoutHdl;
+
+ if ( rTimer.IsActive() )
+ Start();
+
+ return *this;
+}
+
+// =======================================================================
+
+AutoTimer::AutoTimer()
+{
+ mbAuto = TRUE;
+}
+
+// -----------------------------------------------------------------------
+
+AutoTimer::AutoTimer( const AutoTimer& rTimer ) : Timer( rTimer )
+{
+ mbAuto = TRUE;
+}
+
+// -----------------------------------------------------------------------
+
+AutoTimer& AutoTimer::operator=( const AutoTimer& rTimer )
+{
+ Timer::operator=( rTimer );
+ return *this;
+}