private void ChangeTrack(bool next)
{
if (!IsShuffleEnable)
{
if (next)
{
_trackIndex = _trackIndex + 1;
CurrentTrack = TrackModelList[_trackIndex];
SelectedTrack = CurrentTrack;
}
else
{
_trackIndex = _trackIndex - 1;
CurrentTrack = TrackModelList[_trackIndex];
SelectedTrack = CurrentTrack;
}
}
else
{
if (next)
{
var random = new Random();
var randomDigit = random.Next(0, TrackModelList.Count - 1);
_trackIndex = randomDigit;
PreviousTrack = CurrentTrack;
CurrentTrack = TrackModelList[_trackIndex];
}
else
{
var random = new Random();
var randomDigit = random.Next(0, TrackModelList.Count - 1);
if (PreviousTrack == null)
{
_trackIndex = randomDigit;
CurrentTrack = TrackModelList[_trackIndex];
PreviousTrack = TrackModelList[random.Next(0, TrackModelList.Count - 1)];
}
else
{
CurrentTrack = PreviousTrack;
_trackIndex = randomDigit;
PreviousTrack = TrackModelList[_trackIndex];
}
}
}
MyMediaElement.Stop();
_timer.Stop();
MyMediaElement.Open(new Uri(CurrentTrack.Path, UriKind.Relative));
Position = 0;
Thread.Sleep(100);
StartTime = "0:00";
IsPlay = true;
ChangePlayState(true);
}
private void PlayTrack(object o)
{
var track = o as TrackListModel;
CurrentTrack = track;
_trackIndex = TrackModelList.IndexOf(track);
MyMediaElement.Open(new Uri(CurrentTrack.Path, UriKind.Relative));
MyMediaElement.Stop();
Position = 0;
Thread.Sleep(100);
StartTime = "0:00";
IsPlay = true;
ChangePlayState(true);
}
public PlayerViewModel()
{
TrackModelList = new ObservableCollection <TrackListModel>();
InitializeTrackList();
_timer.Interval = TimeSpan.FromMilliseconds(1000);
_timer.Tick += TimerPosition;
CurrentTrack = TrackModelList.First();
SelectedTrack = CurrentTrack;
_trackIndex = 0;
MyMediaElement.Open(new Uri(CurrentTrack.Path, UriKind.Relative));
MyMediaElement.Stop();
MyMediaElement.MediaOpened += MyMediaElementOnMediaOpened;
MyMediaElement.MediaEnded += MyMediaElementOnMediaEnded;
MyMediaElement.Volume = Volume;
}
private void MyMediaElementOnMediaOpenedPreview(object sender, EventArgs eventArgs)
{
var duration =
$"{MyMediaElement.NaturalDuration.TimeSpan.Minutes}:{GetCorrectSeconds(MyMediaElement.NaturalDuration.TimeSpan.Seconds)}";
var path = MyMediaElement.Source.OriginalString;
if (path == TrackModelList.Last().Path)
{
MyMediaElement.MediaOpened -= MyMediaElementOnMediaOpenedPreview;
MyMediaElement.Open(new Uri(CurrentTrack.Path, UriKind.Relative));
MyMediaElement.Stop();
MyMediaElement.MediaOpened += MyMediaElementOnMediaOpened;
MyMediaElement.MediaEnded += MyMediaElementOnMediaEnded;
MyMediaElement.Volume = Volume;
}
TrackModelList.First(x => x.Path == path).Duration = duration;
}