/// <summary>
/// Method which loads all music files from device
/// </summary>
private async void LoadMainAudioList()
{
mainPlaylist = new MusicPlaylist("Wszystkie utwory");
//Create a query which will get all music files from device
QueryOptions musicFilesQuery = new QueryOptions(CommonFileQuery.OrderByTitle, new string[] { ".mp3", ".vma" });
musicFilesQuery.FolderDepth = FolderDepth.Deep;
var musicFiles = await KnownFolders.MusicLibrary.CreateFileQueryWithOptions(musicFilesQuery).GetFilesAsync();
foreach (var musicFile in musicFiles)
{
mainPlaylist.Add(new MusicFile(musicFile));
}
//Assign the list to the player
SetCurrentPlaylist(mainPlaylist);
Notify();
}
/// <summary>
/// Gets playlists data from settings and creates playlists
/// object
/// </summary>
private async void LoadAllPlaylists()
{
//Initialize this list from settings file with
//id's of music files
//Dictionary contains playlists names as keys and lists of
//music files id as values
Dictionary <string, List <string> > musicPlaylistsData = await settings.GetPlaylistsDataAsync();
if (musicPlaylists != null)
{
try
{
//Create playlist with given name and select
//items from main playlist by id
foreach (var playlistData in musicPlaylistsData)
{
MusicPlaylist playlist = new MusicPlaylist(playlistData.Key);
foreach (var musicData in playlistData.Value)
{
if (musicData != "")
{
playlist.Add(mainPlaylist.musicFileList
.Where(m => m.Id == musicData).Single());
}
}
musicPlaylists.Add(playlist);
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
isInitializationComplete = true;
Notify();
}
private void MessageReceivedFromForeground(object sender, MediaPlayerDataReceivedEventArgs arguments)
{
object message;
try
{
if (arguments.Data.TryGetValue(MessageType.Message.ToString(), out message))
{
//It is a command, handle it
Command command;
if (Enum.TryParse(message.ToString(), out command))
{
switch (command)
{
case Command.Play:
Play();
break;
case Command.Pause:
Pause();
break;
case Command.EnterBackground:
isPlayerInBackground = true;
break;
case Command.LeaveBackground:
isPlayerInBackground = false;
isCommandFromForeground = false;
SendMainPlaylistDataToForeground();
SendAllPlaylistsDataToForeground();
SendCurrentPlaylistToForeground();
SendCurrentItemToForeground();
break;
}
}
}
else if (arguments.Data.TryGetValue(MessageType.NewPlaylist.ToString(), out message))
{
//New playlist created, handle it
MusicPlaylist newPlaylist = new MusicPlaylist(message.ToString());
musicPlaylists.Add(newPlaylist);
settings.SavePlaylists(musicPlaylists);
}
else if (arguments.Data.TryGetValue(MessageType.RemoveFromPlaylist.ToString(), out message))
{
//Music file needs to be removed from playlist, handle it
string[] dataToProcess = message.ToString().Split(dataSeparator.ToCharArray().Single());
if (dataToProcess.Count() != 2)
{
throw new Exception("Data frame incorrect");
}
else
{
musicPlaylists.Where(m => m.Name == dataToProcess[0])
.Single().Remove(mainPlaylist.musicFileList.Where(m => m
.Id == dataToProcess[1]).Single());
settings.SavePlaylists(musicPlaylists);
}
}
else if (arguments.Data.TryGetValue(MessageType.AddToPlaylist.ToString(), out message))
{
//Music file needs to be added to playlist, handle it
string[] dataToProcess = message.ToString().Split(dataSeparator.ToCharArray().Single());
if (dataToProcess.Count() != 2)
{
throw new Exception("Data frame incorrect");
}
else
{
musicPlaylists.Where(m => m.Name == dataToProcess[0])
.Single().Add(mainPlaylist.musicFileList.Where(m => m
.Id == dataToProcess[1]).Single());
settings.SavePlaylists(musicPlaylists);
}
}
else if (arguments.Data.TryGetValue(MessageType.RemovePlaylist.ToString(), out message))
{
if (message.ToString().Equals("0"))
{
musicPlaylists.Clear();
}
else
{
musicPlaylists.Remove(musicPlaylists.Where(m => m.Name == message.ToString()).Single());
}
settings.SavePlaylists(musicPlaylists);
}
else if (arguments.Data.TryGetValue(MessageType.Playlist.ToString(), out message))
{
//There is a playlist to add, handle it
MusicPlaylist playlist = null;
string dataSeparator = "\t";
string filesSeparator = "\n";
string[] playlistData = message.ToString().Split(filesSeparator.ToCharArray().Single());
//Validate that first element in data is name of playlist
if (playlistData[0].Split(dataSeparator.ToCharArray().Single()).Length != 1)
{
throw new Exception("Incorrect data frame");
}
else
{
if (musicPlaylists.Where(m => m
.Name == playlistData[0]).Count() == 0)
{
playlist = new MusicPlaylist(playlistData[0]);
//Remove first element which contains playlist name
List <string> playlistList = playlistData.ToList();
playlistList.RemoveAt(0);
foreach (var musicData in playlistList)
{
if (musicData != "")
{
playlist.Add(mainPlaylist.musicFileList
.Where(m => m.Id == musicData).Single());
}
}
//Playlist is ready, add it to list
musicPlaylists.Add(playlist);
}
else
{
throw new Exception("Playlist already exists");
}
}
}
else if (arguments.Data.TryGetValue(MessageType.CurrentPlaylist.ToString(), out message))
{
if (currentPlaylist.Name != message.ToString())
{
if (mainPlaylist.Name == message.ToString())
{
SetCurrentPlaylist(mainPlaylist);
}
else if (musicPlaylists.Where(m => m.Name == message.ToString()).Count() == 1)
{
SetCurrentPlaylist(musicPlaylists.Where(m => m.Name == message.ToString()).Single());
}
}
}
else if (arguments.Data.TryGetValue(MessageType.MediaPlaybackItem.ToString(), out message))
{
//User selected music item to play, handle it
isCommandFromForeground = true;
MusicFile musicFile = currentPlaylist.musicFileList
.Where(m => m.Id == message.ToString()).Single();
if (musicFile != currentItem)
{
Play(musicFile);
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}