/// <summary>
/// dispatcher timer tick - the view has to be updated
/// (Song position, left time, ...)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SongProgressTimerTick(object sender, EventArgs e)
{
int positionInMs = _mediaPlayer.GetSongPosition();
int durationOfSongInMs = _mediaPlayer.GetDurationOfPlayedSong();
((IPlayerView)View).SetSongProgressSlider(positionInMs, durationOfSongInMs);
string totalDuration = TimeSpan.FromMilliseconds(durationOfSongInMs).ToString(@"mm\:ss");
string currentTime = TimeSpan.FromMilliseconds(positionInMs).ToString(@"mm\:ss");
string timeTo = "-" + TimeSpan.FromMilliseconds(durationOfSongInMs - positionInMs).ToString(@"mm\:ss");
string progressOf = currentTime + " | " + totalDuration;
((IPlayerView)View).SetSongProgressToggleButton(progressOf, timeTo);
if (_lastSongPositionTimePair == null)
{
_lastSongPositionTimePair = new Tuple <DateTime, int>(DateTime.Now, positionInMs);
}
if (positionInMs > 0 && PlaybackPaused == false)
{
bool haveToHandleEndOfSong = (positionInMs >= durationOfSongInMs);
int lastPositionInMs = _lastSongPositionTimePair.Item2;
bool fiveHundredMsSinceLastUpdate = (DateTime.Now - _lastSongPositionTimePair.Item1).TotalMilliseconds > 500;
if (fiveHundredMsSinceLastUpdate)
{
_lastSongPositionTimePair = new Tuple <DateTime, int>(DateTime.Now, positionInMs);
}
// sometimes the karaoke library will state that the song still has some milliseconds to play
// but has already stopped playing
if (haveToHandleEndOfSong == false &&
fiveHundredMsSinceLastUpdate &&
_lastSongPositionTimePair.Item2 == lastPositionInMs
)
{
haveToHandleEndOfSong = true;
}
if (haveToHandleEndOfSong)
{
HandleEndOfSong();
}
}
}