/// <summary>
/// Set the visual state of the play button when the internal playback state changes.
/// </summary>
/// <param name="state">The new state</param>
void HandlePlaybackStateChanged(MLMusicService.PlaybackStateType state)
{
if (state == MLMusicService.PlaybackStateType.Playing)
{
playButton.Material = pauseMaterial;
}
else if (state == MLMusicService.PlaybackStateType.Paused || state == MLMusicService.PlaybackStateType.Stopped)
{
playButton.Material = playMaterial;
}
}
/// <summary>
/// Pauses or resumes playback based on if app is or was playing when paused.
/// </summary>
/// <param name="pause">Determines if it's a pause or a resume.</param>
private void OnApplicationPause(bool pause)
{
#if PLATFORM_LUMIN
if (MLMusicService.IsStarted)
{
if (pause)
{
playbackStateOnPause = PlaybackState;
}
if (playbackStateOnPause == MLMusicService.PlaybackStateType.Playing)
{
MLResult result = pause ? MLMusicService.PausePlayback() : MLMusicService.ResumePlayback();
if (!result.IsOk)
{
Debug.LogErrorFormat("MLMusicServiceBehavior failed to {0} the current track, disabling script. Reason: {1}.", pause ? "pause" : "resume", result);
enabled = false;
return;
}
}
}
#endif
}
/// <summary>
/// Popagate new playback state.
/// </summary>
/// <param name="state">The new state</param>
void HandlePlaybackStateChanged(MLMusicService.PlaybackStateType state)
{
OnPlaybackStateChanged?.Invoke(state);
}
private static void HandlePlaybackStateChange(MLMusicService.PlaybackStateType state, IntPtr data)
{
MLThreadDispatch.Call(state, OnPlaybackStateChange);
}
public static extern MLResult.Code MLMusicServiceGetPlaybackState(out MLMusicService.PlaybackStateType outState);
