| -rw-r--r-- | library/alarmserver.cpp | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/library/alarmserver.cpp b/library/alarmserver.cpp index 2ea4025..a75fc7e 100644 --- a/library/alarmserver.cpp +++ b/library/alarmserver.cpp @@ -243,207 +243,210 @@ void TimerReceiverObject::resetTimer() QString cmd = "#!/bin/sh\nrm " + fn; total_written = atfile.writeBlock(cmd.latin1(), cmd.length()); if ( total_written != int(cmd.length()) ) { QMessageBox::critical( 0, tr("Out of Space"), tr("Unable to schedule alarm.\n" "Please free up space and try again") ); atfile.close(); QFile::remove ( atfile.name() ); return ; } atfile.close(); unlink( atfilename ); QDir d; d.rename(fn + ".new", fn); chmod(fn.latin1(), 0755); atfilename = fn; triggerAtd( FALSE ); } else { qWarning("Cannot open atd file %s", fn.latin1()); } } #else writeResumeAt ( at_secs ); #endif // Qt timers (does the actual alarm) // from now in milliseconds // qDebug("AlarmServer waiting %d seconds", secs); startTimer( 1000 * secs + 500 ); } void TimerReceiverObject::timerEvent( QTimerEvent * ) { bool needSave = FALSE; killTimers(); if (nearestTimerEvent) { if ( nearestTimerEvent->UTCtime <= TimeConversion::toUTC(QDateTime::currentDateTime()) ) { #ifndef QT_NO_COP QCopEnvelope e( nearestTimerEvent->channel, nearestTimerEvent->message ); e << TimeConversion::fromUTC( nearestTimerEvent->UTCtime ) << nearestTimerEvent->data; #endif timerEventList.remove( nearestTimerEvent ); needSave = TRUE; } setNearestTimerEvent(); } else { resetTimer(); } if ( needSave ) saveState(); } /*! \class AlarmServer alarmserver.h \brief The AlarmServer class allows alarms to be scheduled and unscheduled. - + Applications can schedule alarms with addAlarm() and can unschedule alarms with deleteAlarm(). When the time for an alarm to go off is reached the specified \link qcop.html QCop\endlink message is sent on the specified channel (optionally with additional data). - + Scheduling an alarm using this class is important (rather just using a QTimer) since the machine may be asleep and needs to get woken up using the Linux kernel which implements this at the kernel level to minimize battery usage while asleep. - + \ingroup qtopiaemb \sa QCopEnvelope */ /*! Schedules an alarm to go off at (or soon after) time \a when. When the alarm goes off, the \link qcop.html QCop\endlink \a message will be sent to \a channel, with \a data as a parameter. - + If this function is called with exactly the same data as a previous call the subsequent call is ignored, so there is only ever one alarm with a given set of parameters. - + \sa deleteAlarm() */ void AlarmServer::addAlarm ( QDateTime when, const QCString& channel, const QCString& message, int data) { if ( qApp->type() == QApplication::GuiServer ) { bool needSave = FALSE; // Here we are the server so either it has been directly called from // within the server or it has been sent to us from a client via QCop if (!timerEventReceiver) timerEventReceiver = new TimerReceiverObject; timerEventItem *newTimerEventItem = new timerEventItem; newTimerEventItem->UTCtime = TimeConversion::toUTC( when ); newTimerEventItem->channel = channel; newTimerEventItem->message = message; newTimerEventItem->data = data; // explore the case of already having the event in here... QListIterator<timerEventItem> it( timerEventList ); for ( ; *it; ++it ) if ( *(*it) == *newTimerEventItem ) return ; // if we made it here, it is okay to add the item... timerEventList.append( newTimerEventItem ); needSave = TRUE; // quicker than using setNearestTimerEvent() if ( nearestTimerEvent ) { if (newTimerEventItem->UTCtime < nearestTimerEvent->UTCtime) { nearestTimerEvent = newTimerEventItem; timerEventReceiver->killTimers(); timerEventReceiver->resetTimer(); } } else { nearestTimerEvent = newTimerEventItem; timerEventReceiver->resetTimer(); } if ( needSave ) saveState(); } else { #ifndef QT_NO_COP QCopEnvelope e( "QPE/System", "addAlarm(QDateTime,QCString,QCString,int)" ); e << when << channel << message << data; #endif } } /*! Deletes previously scheduled alarms which match \a when, \a channel, \a message, and \a data. - + Passing null values for \a when, \a channel, or for the \link qcop.html QCop\endlink \a message, acts as a wildcard meaning "any". Similarly, passing -1 for \a data indicates "any". - + If there is no matching alarm, nothing happens. - + \sa addAlarm() - + */ void AlarmServer::deleteAlarm (QDateTime when, const QCString& channel, const QCString& message, int data) { if ( qApp->type() == QApplication::GuiServer) { bool needSave = FALSE; if ( timerEventReceiver != NULL ) { timerEventReceiver->killTimers(); // iterate over the list of events QListIterator<timerEventItem> it( timerEventList ); time_t deleteTime = TimeConversion::toUTC( when ); for ( ; *it; ++it ) { // if its a match, delete it if ( ( (*it)->UTCtime == deleteTime || when.isNull() ) && ( channel.isNull() || (*it)->channel == channel ) && ( message.isNull() || (*it)->message == message ) && ( data == -1 || (*it)->data == data ) ) { // if it's first, then we need to update the timer if ( (*it) == nearestTimerEvent ) { timerEventList.remove(*it); setNearestTimerEvent(); } else { timerEventList.remove(*it); } needSave = TRUE; } } if ( nearestTimerEvent ) timerEventReceiver->resetTimer(); } if ( needSave ) saveState(); } else { #ifndef QT_NO_COP QCopEnvelope e( "QPE/System", "deleteAlarm(QDateTime,QCString,QCString,int)" ); e << when << channel << message << data; #endif } } /*! - Writes the system clock to the hardware clock. + The implementation depends on the mode of AlarmServer. If the AlarmServer + uses atd the current system time will be written to the hardware clock. + If the AlarmServer relies on opie-alarm the time will be written once the + device gets suspended. opie-alarm is used by the Zaurus, iPAQs and SIMpad */ void Global::writeHWClock() { #ifdef USE_ATD if ( !triggerAtd( TRUE ) ) { // atd not running? set it ourselves system("/sbin/hwclock --systohc"); // ##### UTC? } #else // hwclock is written on suspend #endif } |