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/*************************************************************************
*
* $RCSfile: saltimer.cxx,v $
*
* $Revision: 1.1.1.1 $
*
* last change: $Author: hr $ $Date: 2000-09-18 17:05:49 $
*
* 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): _______________________________________
*
*
************************************************************************/
#ifndef _SVWIN_H
#include <tools/svwin.h>
#endif
#define _SV_SALTIMER_CXX
#ifndef _SV_SALDATA_HXX
#include <saldata.hxx>
#endif
#ifndef _SV_SALTIMER_HXX
#include <saltimer.hxx>
#endif
// =======================================================================
// Maximale Periode
#define MAX_SYSPERIOD 65533
// =======================================================================
void ImplSalStartTimer( ULONG nMS, BOOL bMutex )
{
SalData* pSalData = GetSalData();
// Remenber the time of the timer
pSalData->mnTimerMS = nMS;
if ( !bMutex )
pSalData->mnTimerOrgMS = nMS;
// Periode darf nicht zu gross sein, da Windows mit USHORT arbeitet
if ( nMS > MAX_SYSPERIOD )
nMS = MAX_SYSPERIOD;
// Gibt es einen Timer, dann zerstoren
if ( pSalData->mnTimerId )
KillTimer( 0, pSalData->mnTimerId );
// Make a new timer with new period
pSalData->mnTimerId = SetTimer( 0, 0, (UINT)nMS, SalTimerProc );
}
// -----------------------------------------------------------------------
void SalTimer::Stop()
{
SalData* pSalData = GetSalData();
// If we have a timer, than
if ( pSalData->mnTimerId )
{
KillTimer( 0, pSalData->mnTimerId );
pSalData->mnTimerId = 0;
}
}
// -----------------------------------------------------------------------
void SalTimer::SetCallback( SALTIMERPROC pProc )
{
SalData* pSalData = GetSalData();
pSalData->mpTimerProc = pProc;
}
// -----------------------------------------------------------------------
void CALLBACK SalTimerProc( HWND, UINT, UINT, DWORD )
{
SalData* pSalData = GetSalData();
// Test for MouseLeave
SalTestMouseLeave();
if ( pSalData->mpTimerProc )
{
// Try to aquire the mutex. If we don't get the mutex then we
// try this a short time later again.
if ( ImplSalYieldMutexTryToAcquire() )
{
pSalData->mpTimerProc();
ImplSalYieldMutexRelease();
// Run the timer in the correct time, if we start this
// with a small timeout, because we don't get the mutex
if ( pSalData->mnTimerId &&
(pSalData->mnTimerMS != pSalData->mnTimerOrgMS) )
ImplSalStartTimer( pSalData->mnTimerOrgMS, FALSE );
}
else
ImplSalStartTimer( 10, TRUE );
}
}
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