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+/*************************************************************************
+ *
+ * $RCSfile: saltimer.cxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-18 17:05:26 $
+ *
+ * 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;
+
+#ifdef WIN
+ // 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 );
+#endif
+}
+
+// -----------------------------------------------------------------------
+
+void SalTimer::Stop()
+{
+ SalData* pSalData = GetSalData();
+
+#ifdef WIN
+ // If we have a timer, than
+ if ( pSalData->mnTimerId )
+ {
+ KillTimer( 0, pSalData->mnTimerId );
+ pSalData->mnTimerId = 0;
+ }
+#endif
+}
+
+// -----------------------------------------------------------------------
+
+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 );
+ }
+}