displayDuration property

String get displayDuration

Implementation

String get displayDuration {
  if (isBookContent) return '$duration pág.';
  final min = duration ~/ 60;
  final sec = duration % 60;
  if (min == 0) return '${sec}s';
  return sec == 0 ? '${min}m' : '${min}:${sec.toString().padLeft(2, '0')}';
}