public SearchTrack(Track track)
: this(track.MediaId, track.ConvertedMediaTypeId, track.Title, track.Artist, track.Album, Convert.ToInt32(track.Duration.TotalSeconds))
{
}
/// <summary>
/// Gets an amount of tracks from the current track list. The result is received through an asynchronous callback.
/// </summary>
/// <param name="startIndex">The start index of the current track list.</param>
/// <param name="count">The track count (0 for all tracks).</param>
/// <param name="callback">The callback when the track data arrives.</param>
/// <exception cref="System.ArgumentOutOfRangeException"/>
/// <exception cref="System.ArgumentNullException"/>
/// <exception cref="System.IndexOutOfRangeException"/>
/// <seealso cref="TrackListChanged"/>
/// <seealso cref="MAX_TRACKS"/>
public void GetTracks(int startIndex, int count, TrackListCallback callback)
{
if (startIndex < 0)
throw new ArgumentOutOfRangeException("startIndex", startIndex, "The start index must be >= 0!");
if (count < 0)
throw new ArgumentOutOfRangeException("count", count, "Count must be >= 0!");
if (callback == null)
throw new ArgumentNullException("callback");
if (!IsReady || !TransportControls.Instance.HasPlaylist)
return;
Application.DeferredInvoke(new DeferredInvokeHandler(delegate(object sender)
{
// Make a local copy of the playlist to avoid race conditions
ArrayListDataSet playlist = new ArrayListDataSet();
playlist.CopyFrom(TransportControls.Instance.CurrentPlaylist);
if (playlist == null)
return;
if (count == 0)
count = playlist.Count - startIndex;
if (count > ZuneApi.MAX_TRACKS)
count = ZuneApi.MAX_TRACKS;
if (startIndex + count > playlist.Count)
throw new IndexOutOfRangeException("Start index (" + startIndex + ") + count ("
+ count + ") must be <= TrackCount (" + playlist.Count + ")!");
Track[] tracks = new Track[count];
for (int i = 0; i < count; i++)
{
int playlistIndex = i + startIndex;
object playlistItem = playlist[playlistIndex];
if (playlistItem is PlaybackTrack)
tracks[i] = new Track((PlaybackTrack)playlistItem, playlistIndex);
else
tracks[i] = new Track();
}
callback(tracks);
}), DeferredInvokePriority.Low); // low priority to save performance
}
/// <summary>
/// Initializes a new instance of the <see cref="ZuneApi"/> class.
/// <para>
/// <remarks>Note that you have to call the <see cref="Launch(string)"/>-method to start the Zune software.</remarks>
/// </para>
/// </summary>
public ZuneApi()
{
IsRunning = IsReady = IsClosed = false;
PlayerState = PlayerState.Uninitialized;
TrackState = TrackState.Invalid;
CurrentTrack = new Track();
TrackType = TrackType.None;
LUCENE_INDEX_DIRECTORY = Environment.GetEnvironmentVariable("localappdata") + "\\VosSoft\\ZuneApi";
ZuneApi.Instance = this;
}
/// <summary>
/// Handles the PropertyChanged event of the TransportControls of the Zune player.
/// This is used for low level access on the TransportControls.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="System.ComponentModel.PropertyChangedEventArgs"/> instance containing the event data.</param>
private void TransportControls_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName.Equals(ZuneApi.TC_CurrentTrack)) // the current track has changed
{
TrackType oldTrackType = TrackType;
// remove old track rating event handler
if (CurrentTrack != null)
CurrentTrack.RatingChanged -= CurrentTrack_RatingChanged;
if (TransportControls.Instance.CurrentTrack == null) // playlist removed
{
CurrentTrack = new Track(); // the track is always valid for compatibility
TrackType = TrackType.None;
}
else
{
PlaybackTrack playbackTrack = TransportControls.Instance.CurrentTrack;
CurrentTrack = new Track(playbackTrack, TransportControls.Instance.CurrentTrackIndex);
switch (playbackTrack.MediaType)
{
case MediaType.Track:
case MediaType.AudioMP4:
case MediaType.AudioMP3:
case MediaType.AudioWMA:
case MediaType.AudioWAV:
case MediaType.AudioQT:
TrackType = TrackType.Music;
break;
case MediaType.Video:
case MediaType.VideoMP4:
case MediaType.VideoMPG:
case MediaType.VideoWMV:
case MediaType.VideoQT:
case MediaType.VideoDVRMS:
case MediaType.VideoMBR:
case MediaType.VideoAVI:
TrackType = TrackType.Video;
break;
case MediaType.PodcastEpisode:
case MediaType.Podcast:
TrackType = TrackType.Podcast;
break;
default:
TrackType = TrackType.Undefined;
break;
}
}
if (TrackChanged != null)
TrackChanged(this, EventArgs.Empty);
if (TrackTypeChanged != null && TrackType != oldTrackType)
TrackTypeChanged(this, EventArgs.Empty);
// user rating, fire change event immediately and hook up event handler
CurrentTrack_RatingChanged(this, EventArgs.Empty);
CurrentTrack.RatingChanged += CurrentTrack_RatingChanged;
}
else if (e.PropertyName.Equals(ZuneApi.TC_CurrentPlaylist)) // the current playlist has changed
{
if (TransportControls.Instance.CurrentPlaylist == null) // playlist removed
{
TrackCount = 0;
if (TrackListChanged != null)
TrackListChanged(this, EventArgs.Empty);
return;
}
TransportControls.Instance.CurrentPlaylist.ContentsChanged += CurrentPlaylist_ContentsChanged;
GetTrackCount();
// TODO: the current track index might have changed!
}
}
