static void ParseTime(PRTime tm, PRInt32& secs, PRInt32& msecs)
{
PRTime llsecs, llmsecs, tmp;
LL_DIV(llsecs, tm, 1000000);
LL_MOD(tmp, tm, 1000000);
LL_DIV(llmsecs, tmp, 1000);
LL_L2I(secs, llsecs);
LL_L2I(msecs, llmsecs);
}
// Set rcvDate to true to get the Received: date instead of the Date: date.
nsresult nsMsgGroupView::GetAgeBucketValue(nsIMsgDBHdr *aMsgHdr, PRUint32 * aAgeBucket, bool rcvDate)
{
NS_ENSURE_ARG_POINTER(aMsgHdr);
NS_ENSURE_ARG_POINTER(aAgeBucket);
PRTime dateOfMsg;
nsresult rv;
if (!rcvDate)
rv = aMsgHdr->GetDate(&dateOfMsg);
else
{
PRUint32 rcvDateSecs;
rv = aMsgHdr->GetUint32Property("dateReceived", &rcvDateSecs);
Seconds2PRTime(rcvDateSecs, &dateOfMsg);
}
NS_ENSURE_SUCCESS(rv, rv);
PRTime currentTime = PR_Now();
PRExplodedTime currentExplodedTime;
PR_ExplodeTime(currentTime, PR_LocalTimeParameters, ¤tExplodedTime);
PRExplodedTime explodedMsgTime;
PR_ExplodeTime(dateOfMsg, PR_LocalTimeParameters, &explodedMsgTime);
if (m_lastCurExplodedTime.tm_mday &&
m_lastCurExplodedTime.tm_mday != currentExplodedTime.tm_mday)
m_dayChanged = true; // this will cause us to rebuild the view.
m_lastCurExplodedTime = currentExplodedTime;
if (currentExplodedTime.tm_year == explodedMsgTime.tm_year &&
currentExplodedTime.tm_month == explodedMsgTime.tm_month &&
currentExplodedTime.tm_mday == explodedMsgTime.tm_mday)
{
// same day...
*aAgeBucket = 1;
}
// figure out how many days ago this msg arrived
else if (LL_CMP(currentTime, >, dateOfMsg))
{
// some constants for calculation
static PRInt64 microSecondsPerSecond;
static PRInt64 microSecondsPerDay;
static PRInt64 secondsPerDay;
static PRInt64 microSecondsPer6Days;
static PRInt64 microSecondsPer13Days;
static bool bGotConstants = false;
if ( !bGotConstants )
{
// seeds
LL_I2L ( microSecondsPerSecond, PR_USEC_PER_SEC );
LL_UI2L ( secondsPerDay, 60 * 60 * 24 );
// derivees
LL_MUL( microSecondsPerDay, secondsPerDay, microSecondsPerSecond );
LL_MUL( microSecondsPer6Days, microSecondsPerDay, 6 );
LL_MUL( microSecondsPer13Days, microSecondsPerDay, 13 );
bGotConstants = true;
}
// setting the time variables to local time
PRInt64 GMTLocalTimeShift;
LL_ADD( GMTLocalTimeShift, currentExplodedTime.tm_params.tp_gmt_offset, currentExplodedTime.tm_params.tp_dst_offset );
LL_MUL( GMTLocalTimeShift, GMTLocalTimeShift, microSecondsPerSecond );
LL_ADD( currentTime, currentTime, GMTLocalTimeShift );
LL_ADD( dateOfMsg, dateOfMsg, GMTLocalTimeShift );
// the most recent midnight, counting from current time
PRInt64 todaysMicroSeconds, mostRecentMidnight;
LL_MOD( todaysMicroSeconds, currentTime, microSecondsPerDay );
LL_SUB( mostRecentMidnight, currentTime, todaysMicroSeconds );
PRInt64 yesterday;
LL_SUB( yesterday, mostRecentMidnight, microSecondsPerDay );
// most recent midnight minus 6 days
PRInt64 mostRecentWeek;
LL_SUB( mostRecentWeek, mostRecentMidnight, microSecondsPer6Days );
// was the message sent yesterday?
if ( LL_CMP( dateOfMsg, >=, yesterday ) ) // yes ....
*aAgeBucket = 2;
else if ( LL_CMP(dateOfMsg, >=, mostRecentWeek) )
*aAgeBucket = 3;
else
{
