public SoundPlaybackService()
{
this.playTime = new Timer();
this.playTime.Interval = 1000;
this.playTime.Elapsed += new ElapsedEventHandler(this.IncrementCurrentSoundTimeEvent);
this.currentSound = default(PlayableSound);
}
public void PlaySoundOrStopIfNull(Sound sound)
{
this.playTime.Stop();
if (sound == null)
{
if (this.currentSound != null)
{
this.currentSound.Pause();
}
this.currentSound = default(PlayableSound);
return;
}
this.currentSound = new PlayableSound(sound);
this.currentSound.Play();
this.playTime.Start();
}
private void IncrementCurrentSoundTimeEvent(object source, ElapsedEventArgs e)
{
if (DateTime.Now >= this.currentSound.SoundEnd)
{
this.playTime.Stop();
this.currentSound.Pause();
this.currentSound = default(PlayableSound);
if (this.SoundEnds != null)
{
SoundEnds(this, EventArgs.Empty);
}
return;
}
var currentToEndTimespan = this.currentSound.SoundEnd.Subtract(DateTime.Now);
this.currentSound.CurrentTime = this.currentSound.Duration - (int)currentToEndTimespan.TotalSeconds;
}