currentTime method
Formats duration the way players label a timeline: m:ss, growing to
h:mm:ss only once the video passes an hour.
Implementation
String currentTime(Duration duration) {
final Duration value = duration.isNegative ? Duration.zero : duration;
final String seconds = value.inSeconds.remainder(60).toString().padLeft(2, '0');
final int minutes = value.inMinutes.remainder(60);
if (value.inHours > 0) {
return '${value.inHours}:${minutes.toString().padLeft(2, '0')}:$seconds';
}
return '$minutes:$seconds';
}