/// <summary>
/// If a song is being played and its current time is higher than 2 seconds,
/// then it will rewind to the beginning. If there's no song being played, then
/// the previous song played will be played.
/// </summary>
/// <param name="sender">Rewind button</param>
/// <param name="e">Button event</param>
private void RewindButton_Click(object sender, RoutedEventArgs e)
{
if (reader != null && !isPlayerWaveOutAvailable)
{
if (reader.GetType() == typeof(WaveFileReader))
{
var waveFileReader = (WaveFileReader)reader;
if (waveFileReader.CurrentTime.TotalSeconds >= 3)
{
waveFileReader.CurrentTime = TimeSpan.FromMilliseconds(0);
SetPlayerData(reader);
}
else
{
PreviousSong();
}
}
else if (reader.GetType() == typeof(Mp3FileReader))
{
var mp3FileReader = (Mp3FileReader)reader;
if (mp3FileReader.CurrentTime.TotalSeconds >= 3)
{
mp3FileReader.CurrentTime = TimeSpan.FromMilliseconds(0);
SetPlayerData(reader);
}
else
{
PreviousSong();
}
}
}
}
/// <summary>
/// Updates the player data with the reader received.
/// </summary>
/// <param name="reader">Reader that stores the song data</param>
private void SetPlayerData(IWaveProvider reader)
{
Application.Current.Dispatcher.Invoke(delegate {
if (reader.GetType() == typeof(WaveFileReader))
{
var waveFileReader = (WaveFileReader)reader;
songCurrentTimeTextBlock.Text = waveFileReader.CurrentTime.ToString("mm\\:ss");
songSlider.Value = waveFileReader.CurrentTime.Ticks * songSlider.Maximum / waveFileReader.TotalTime.Ticks;
}
else if (reader.GetType() == typeof(Mp3FileReader))
{
var mp3FileReader = (Mp3FileReader)reader;
songCurrentTimeTextBlock.Text = mp3FileReader.CurrentTime.ToString("mm\\:ss");
songSlider.Value = mp3FileReader.CurrentTime.Ticks * songSlider.Maximum / mp3FileReader.TotalTime.Ticks;
}
});
}
