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- Optimized function that transform a number of seconds to a duration(days, hours, minutes, secs)

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- Improved ETA calculation to avoid overflows (Added asserts to make sure it doesn't happen)
This commit is contained in:
Christophe Dumez 2007-08-28 18:44:54 +00:00
parent 105563ac5a
commit 21908e0a03
5 changed files with 42 additions and 30 deletions
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46
src/misc.h
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@ -285,28 +285,36 @@ class misc : public QObject{
// Take a number of seconds and return an user-friendly
// time duration like "1d 2h 10m".
static QString userFriendlyDuration(const long int seconds) {
if(seconds < 0) {
static QString userFriendlyDuration(qlonglong seconds) {
if(seconds < 0 or seconds > 8640000) {
return tr("Unknown");
}
if(seconds < 60) {
return tr("< 1m", "< 1 minute");
int level = 0;
int days = int(seconds / 86400.);
if(!days)
level = 1;
else
seconds -= days * 86400;
int hours = int(seconds / 3600.);
if(!hours)
level = 2;
else
seconds -= hours * 3600;
int minutes = int(seconds / 60.0);
if(!minutes)
level = 3;
else
seconds -= minutes * 60;
switch(level){
case 3:
return tr("< 1m", "< 1 minute");
case 2:
return tr("%1m","e.g: 10minutes").arg(QString::QString::fromUtf8(misc::toString(minutes).c_str()));
case 1:
return tr("%1h%2m", "e.g: 3hours 5minutes").arg(QString::fromUtf8(misc::toString(hours).c_str())).arg(QString::fromUtf8(misc::toString(minutes).c_str()));
default:
return tr("%1d%2h%3m", "e.g: 2days 10hours 2minutes").arg(QString::fromUtf8(misc::toString(days).c_str())).arg(QString::fromUtf8(misc::toString(hours).c_str())).arg(QString::fromUtf8(misc::toString(minutes).c_str()));
}
int minutes = seconds / 60;
if(minutes < 60) {
return tr("%1m","e.g: 10minutes").arg(QString::QString::fromUtf8(misc::toString(minutes).c_str()));
}
int hours = minutes / 60;
minutes = minutes - hours*60;
if(hours < 24) {
return tr("%1h%2m", "e.g: 3hours 5minutes").arg(QString::fromUtf8(misc::toString(hours).c_str())).arg(QString::fromUtf8(misc::toString(minutes).c_str()));
}
int days = hours / 24;
hours = hours - days * 24;
if(days < 100) {
return tr("%1d%2h%3m", "e.g: 2days 10hours 2minutes").arg(QString::fromUtf8(misc::toString(days).c_str())).arg(QString::fromUtf8(misc::toString(hours).c_str())).arg(QString::fromUtf8(misc::toString(minutes).c_str()));
}
return tr("Unknown");
}
};