/*
* DoTheScreenSaver
*
* Check if scrensaver should be started and sends message to SAS window
*/
VOID FASTCALL
DoTheScreenSaver(VOID)
{
LARGE_INTEGER TickCount;
DWORD Test, TO;
if (gspv.iScrSaverTimeout > 0) // Zero means Off.
{
KeQueryTickCount(&TickCount);
Test = MsqCalculateMessageTime(&TickCount);
Test = Test - LastInputTick;
TO = 1000 * gspv.iScrSaverTimeout;
if (Test > TO)
{
TRACE("Screensaver Message Start! Tick %lu Timeout %d \n", Test, gspv.iScrSaverTimeout);
if (ppiScrnSaver) // We are or we are not the screensaver, prevent reentry...
{
if (!(ppiScrnSaver->W32PF_flags & W32PF_IDLESCREENSAVER))
{
ppiScrnSaver->W32PF_flags |= W32PF_IDLESCREENSAVER;
ERR("Screensaver is Idle\n");
}
}
else
{
PUSER_MESSAGE_QUEUE ForegroundQueue = IntGetFocusMessageQueue();
if (ForegroundQueue && ForegroundQueue->spwndActive)
UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_START_SCREENSAVE, 1); // lParam 1 == Secure
else
UserPostMessage(hwndSAS, WM_LOGONNOTIFY, LN_START_SCREENSAVE, 0);
}
}
}
}
/*
* IntLastInputTick
*
* Updates or gets last input tick count
*/
static DWORD FASTCALL
IntLastInputTick(BOOL bUpdate)
{
if (bUpdate)
{
LARGE_INTEGER TickCount;
KeQueryTickCount(&TickCount);
LastInputTick = MsqCalculateMessageTime(&TickCount);
if (gpsi) gpsi->dwLastRITEventTickCount = LastInputTick;
}
return LastInputTick;
}
VOID
FASTCALL
ProcessTimers(VOID)
{
LARGE_INTEGER TickCount, DueTime;
LONG Time;
PLIST_ENTRY pLE;
PTIMER pTmr;
LONG TimerCount = 0;
TimerEnterExclusive();
pLE = TimersListHead.Flink;
KeQueryTickCount(&TickCount);
Time = MsqCalculateMessageTime(&TickCount);
DueTime.QuadPart = (LONGLONG)(-500000);
while(pLE != &TimersListHead)
{
pTmr = CONTAINING_RECORD(pLE, TIMER, ptmrList);
TimerCount++;
if (pTmr->flags & TMRF_WAITING)
{
pLE = pTmr->ptmrList.Flink;
pTmr = CONTAINING_RECORD(pLE, TIMER, ptmrList);
continue;
}
if (pTmr->flags & TMRF_INIT)
{
pTmr->flags &= ~TMRF_INIT; // Skip this run.
}
else
{
if (pTmr->cmsCountdown < 0)
{
ASSERT(pTmr->pti);
if ((!(pTmr->flags & TMRF_READY)) && (!(pTmr->pti->TIF_flags & TIF_INCLEANUP)))
{
if (pTmr->flags & TMRF_ONESHOT)
pTmr->flags |= TMRF_WAITING;
if (pTmr->flags & TMRF_RIT)
{
// Hard coded call here, inside raw input thread.
pTmr->pfn(NULL, WM_SYSTIMER, pTmr->nID, (LPARAM)pTmr);
}
else
{
pTmr->flags |= TMRF_READY; // Set timer ready to be ran.
// Set thread message queue for this timer.
if (pTmr->pti->MessageQueue)
{ // Wakeup thread
ASSERT(pTmr->pti->MessageQueue->NewMessages != NULL);
KeSetEvent(pTmr->pti->MessageQueue->NewMessages, IO_NO_INCREMENT, FALSE);
}
}
}
pTmr->cmsCountdown = pTmr->cmsRate;
}
else
pTmr->cmsCountdown -= Time - TimeLast;
}
pLE = pLE->Flink;
}
// Restart the timer thread!
ASSERT(MasterTimer != NULL);
KeSetTimer(MasterTimer, DueTime, NULL);
TimeLast = Time;
TimerLeave();
TRACE("TimerCount = %d\n", TimerCount);
}