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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 <svsys.h>
#include <win/saldata.hxx>
#include <win/saltimer.h>
#include <win/salinst.h>
#if defined ( __MINGW32__ )
#include <sehandler.hxx>
#endif
// maximum period
#define MAX_SYSPERIOD 65533
void ImplSalStartTimer( sal_uLong nMS, bool bMutex )
{
SalData* pSalData = GetSalData();
// Remember the time of the timer
pSalData->mnTimerMS = nMS;
if ( !bMutex )
pSalData->mnTimerOrgMS = nMS;
// duration has to fit into Window's sal_uInt16
if ( nMS > MAX_SYSPERIOD )
nMS = MAX_SYSPERIOD;
// kill timer if it exists
if ( pSalData->mnTimerId )
KillTimer( 0, pSalData->mnTimerId );
// Make a new timer with new period
pSalData->mnTimerId = SetTimer( 0, 0, (UINT)nMS, SalTimerProc );
pSalData->mnNextTimerTime = pSalData->mnLastEventTime + nMS;
}
WinSalTimer::~WinSalTimer()
{
}
void WinSalTimer::Start( sal_uLong nMS )
{
// switch to main thread
SalData* pSalData = GetSalData();
if ( pSalData->mpFirstInstance )
{
if ( pSalData->mnAppThreadId != GetCurrentThreadId() )
ImplPostMessage( pSalData->mpFirstInstance->mhComWnd, SAL_MSG_STARTTIMER, 0, (LPARAM)nMS );
else
ImplSendMessage( pSalData->mpFirstInstance->mhComWnd, SAL_MSG_STARTTIMER, 0, (LPARAM)nMS );
}
else
ImplSalStartTimer( nMS, FALSE );
}
void WinSalTimer::Stop()
{
SalData* pSalData = GetSalData();
// If we have a timer, than
if ( pSalData->mnTimerId )
{
KillTimer( 0, pSalData->mnTimerId );
pSalData->mnTimerId = 0;
pSalData->mnNextTimerTime = 0;
}
}
void CALLBACK SalTimerProc( HWND, UINT, UINT_PTR nId, DWORD )
{
#if defined ( __MINGW32__ ) && !defined ( _WIN64 )
jmp_buf jmpbuf;
__SEHandler han;
if (__builtin_setjmp(jmpbuf) == 0)
{
han.Set(jmpbuf, NULL, (__SEHandler::PF)EXCEPTION_EXECUTE_HANDLER);
#else
__try
{
#endif
SalData* pSalData = GetSalData();
ImplSVData* pSVData = ImplGetSVData();
// Test for MouseLeave
SalTestMouseLeave();
bool bRecursive = pSalData->mbInTimerProc && (nId != SALTIMERPROC_RECURSIVE);
if ( pSVData->mpSalTimer && ! bRecursive )
{
// Try to aquire the mutex. If we don't get the mutex then we
// try this a short time later again.
if ( ImplSalYieldMutexTryToAcquire() )
{
bRecursive = pSalData->mbInTimerProc && (nId != SALTIMERPROC_RECURSIVE);
if ( pSVData->mpSalTimer && ! bRecursive )
{
pSalData->mbInTimerProc = TRUE;
pSVData->mpSalTimer->CallCallback();
pSalData->mbInTimerProc = FALSE;
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 );
}
}
#if defined ( __MINGW32__ ) && !defined ( _WIN64 )
han.Reset();
#else
__except(WinSalInstance::WorkaroundExceptionHandlingInUSER32Lib(GetExceptionCode(), GetExceptionInformation()))
{
}
#endif
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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