internal Song(Album album, Artist artist, Genre genre, MusicProperties musicProperties)
{
this.album = album;
this.artist = artist;
this.genre = genre;
this.musicProperties = musicProperties;
}
private Album(SongCollection songCollection, string name, Artist artist, Genre genre)
{
Songs = songCollection;
Name = name;
Artist = artist;
Genre = genre;
IsDisposed = false;
}
internal Song(Album album, Artist artist, Genre genre, string title, TimeSpan duration, MPMediaItem mediaItem, NSUrl assetUrl)
{
this.album = album;
this.artist = artist;
this.genre = genre;
this.title = title;
this.duration = duration;
this.mediaItem = mediaItem;
this.assetUrl = assetUrl;
}
internal Song(Album album, Artist artist, Genre genre, string title, TimeSpan duration, object mediaItem, NSUrl assetUrl)
#endif
{
this.album = album;
this.artist = artist;
this.genre = genre;
this.title = title;
this.duration = duration;
#if !TVOS
this.mediaItem = mediaItem;
#endif
this.assetUrl = assetUrl;
}
internal Song(Album album, Artist artist, Genre genre)
{
this.album = album;
this.artist = artist;
this.genre = genre;
}
internal Song(Album album, Artist artist, Genre genre, string title, TimeSpan duration, MPMediaItem mediaItem, NSUrl assetUrl)
private Song(Album album, Artist artist, Genre genre)
{
this.album = album;
this.artist = artist;
this.genre = genre;
}
internal Song(Album album, Artist artist, Genre genre)
{
this.album = album;
this.artist = artist;
this.genre = genre;
}
private void PlatformLoad(Action<int> progressCallback)
{
#if !WINDOWS_UAP
Task.Run(async () =>
{
if (musicFolder == null)
{
try
{
musicFolder = KnownFolders.MusicLibrary;
}
catch (Exception e)
{
Debug.WriteLine("Failed to access Music Library: " + e.Message);
albumCollection = new AlbumCollection(new List<Album>());
songCollection = new SongCollection(new List<Song>());
return;
}
}
var files = new List<StorageFile>();
await this.GetAllFiles(musicFolder, files);
var songList = new List<Song>();
var albumList = new List<Album>();
var artists = new Dictionary<string, Artist>();
var albums = new Dictionary<string, Album>();
var genres = new Dictionary<string, Genre>();
var cache = new Dictionary<string, MusicProperties>();
// Read cache
var cacheFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(CacheFile, CreationCollisionOption.OpenIfExists);
using (var stream = new BinaryReader(await cacheFile.OpenStreamForReadAsync()))
try
{
for (; stream.BaseStream.Position < stream.BaseStream.Length; )
{
var entry = MusicProperties.Deserialize(stream);
cache.Add(entry.Path, entry);
}
}
catch { }
// Write cache
cacheFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(CacheFile, CreationCollisionOption.ReplaceExisting);
using (var stream = new BinaryWriter(await cacheFile.OpenStreamForWriteAsync()))
{
int prevProgress = 0;
for (int i = 0; i < files.Count; i++)
{
var file = files[i];
try
{
MusicProperties properties;
if (!(cache.TryGetValue(file.Path, out properties) && properties.TryMatch(file)))
properties = new MusicProperties(file);
properties.Serialize(stream);
if (string.IsNullOrWhiteSpace(properties.Title))
continue;
Artist artist;
if (!artists.TryGetValue(properties.Artist, out artist))
{
artist = new Artist(properties.Artist);
artists.Add(artist.Name, artist);
}
Artist albumArtist;
if (!artists.TryGetValue(properties.AlbumArtist, out albumArtist))
{
albumArtist = new Artist(properties.AlbumArtist);
artists.Add(albumArtist.Name, albumArtist);
}
Genre genre;
if (!genres.TryGetValue(properties.Genre, out genre))
{
genre = new Genre(properties.Genre);
genres.Add(genre.Name, genre);
}
Album album;
if (!albums.TryGetValue(properties.Album, out album))
{
var thumbnail = Task.Run(async () => await properties.File.GetThumbnailAsync(ThumbnailMode.MusicView, 300, ThumbnailOptions.ResizeThumbnail)).Result;
album = new Album(new SongCollection(), properties.Album, albumArtist, genre, thumbnail.Type == ThumbnailType.Image ? thumbnail : null);
albums.Add(album.Name, album);
albumList.Add(album);
}
var song = new Song(album, artist, genre, properties);
song.Album.Songs.Add(song);
songList.Add(song);
}
catch (Exception e)
{
Debug.WriteLine("MediaLibrary exception: " + e.Message);
}
int progress = 100 * i / files.Count;
if (progress > prevProgress)
{
prevProgress = progress;
if (progressCallback != null)
progressCallback.Invoke(progress);
}
}
}
if (progressCallback != null)
progressCallback.Invoke(100);
albumCollection = new AlbumCollection(albumList);
songCollection = new SongCollection(songList);
}).Wait();
#endif
}
public void Add(Genre genre)
{
foreach (Song s in genre.Songs)
Add(s);
}
private void PlatformLoad(Action <int> progressCallback)
{
List <Song> songList = new List <Song>();
List <Album> albumList = new List <Album>();
using (var musicCursor = Context.ContentResolver.Query(MediaStore.Audio.Media.ExternalContentUri, null, null, null, null))
{
if (musicCursor != null)
{
Dictionary <string, Artist> artists = new Dictionary <string, Artist>();
Dictionary <string, Album> albums = new Dictionary <string, Album>();
Dictionary <string, Genre> genres = new Dictionary <string, Genre>();
// Note: Grabbing album art using MediaStore.Audio.AlbumColumns.AlbumArt and
// MediaStore.Audio.AudioColumns.AlbumArt is broken
// See: https://code.google.com/p/android/issues/detail?id=1630
// Workaround: http://stackoverflow.com/questions/1954434/cover-art-on-android
int albumNameColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AlbumColumns.Album);
int albumArtistColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AlbumColumns.Artist);
int albumIdColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AlbumColumns.AlbumId);
int genreColumn = musicCursor.GetColumnIndex(MediaStore.Audio.GenresColumns.Name); // Also broken :(
int artistColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Artist);
int titleColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Title);
int durationColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Duration);
int assetIdColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Id);
if (titleColumn == -1 || durationColumn == -1 || assetIdColumn == -1)
{
Debug.WriteLine("Missing essential properties from music library. Returning empty library.");
albumCollection = new AlbumCollection(albumList);
songCollection = new SongCollection(songList);
return;
}
for (musicCursor.MoveToFirst(); !musicCursor.IsAfterLast; musicCursor.MoveToNext())
{
try
{
long durationProperty = musicCursor.GetLong(durationColumn);
TimeSpan duration = TimeSpan.FromMilliseconds(durationProperty);
// Exclude sound effects
if (duration < MinimumSongDuration)
{
continue;
}
string albumNameProperty = (albumNameColumn > -1 ? musicCursor.GetString(albumNameColumn) : null) ?? "Unknown Album";
string albumArtistProperty = (albumArtistColumn > -1 ? musicCursor.GetString(albumArtistColumn) : null) ?? "Unknown Artist";
string genreProperty = (genreColumn > -1 ? musicCursor.GetString(genreColumn) : null) ?? "Unknown Genre";
string artistProperty = (artistColumn > -1 ? musicCursor.GetString(artistColumn) : null) ?? "Unknown Artist";
string titleProperty = musicCursor.GetString(titleColumn);
long assetId = musicCursor.GetLong(assetIdColumn);
var assetUri = ContentUris.WithAppendedId(MediaStore.Audio.Media.ExternalContentUri, assetId);
long albumId = albumIdColumn > -1 ? musicCursor.GetInt(albumIdColumn) : -1;
var albumArtUri = albumId > -1 ? ContentUris.WithAppendedId(Uri.Parse("content://media/external/audio/albumart"), albumId) : null;
Artist artist;
if (!artists.TryGetValue(artistProperty, out artist))
{
artist = new Artist(artistProperty);
artists.Add(artist.Name, artist);
}
Artist albumArtist;
if (!artists.TryGetValue(albumArtistProperty, out albumArtist))
{
albumArtist = new Artist(albumArtistProperty);
artists.Add(albumArtist.Name, albumArtist);
}
Genre genre;
if (!genres.TryGetValue(genreProperty, out genre))
{
genre = new Genre(genreProperty);
genres.Add(genre.Name, genre);
}
Album album;
if (!albums.TryGetValue(albumNameProperty, out album))
{
album = new Album(new SongCollection(), albumNameProperty, albumArtist, genre, albumArtUri);
albums.Add(album.Name, album);
albumList.Add(album);
}
var song = new Song(album, artist, genre, titleProperty, duration, assetUri);
song.Album.Songs.Add(song);
songList.Add(song);
}
catch (Exception e)
{
Debug.WriteLine("MediaLibrary exception: " + e.Message);
}
}
}
musicCursor.Close();
}
albumCollection = new AlbumCollection(albumList);
songCollection = new SongCollection(songList);
}
internal Song(Album album, Artist artist, Genre genre, MusicProperties musicProperties)
: this(album, artist, genre)
{
this.musicProperties = musicProperties;
}
private Song(Album album, Artist artist, Genre genre)
{
this.album = album;
this.artist = artist;
this.genre = genre;
}
internal Song(Album album, Artist artist, Genre genre, string title, TimeSpan duration, MPMediaItem mediaItem, NSUrl assetUrl)
internal Song(Album album, Artist artist, Genre genre, MusicProperties musicProperties)
: this(album, artist, genre)
{
this.musicProperties = musicProperties;
}
internal Album(SongCollection songCollection, string name, Artist artist, Genre genre, StorageItemThumbnail thumbnail)
: this(songCollection, name, artist, genre)
{
this.thumbnail = thumbnail;
}
internal Album(SongCollection songCollection, string name, Artist artist, Genre genre, MPMediaItemArtwork thumbnail)
: this(songCollection, name, artist, genre)
{
this.thumbnail = thumbnail;
}
public void Insert(Genre genre, int index)
{
foreach (Song s in genre.Songs)
Insert(s, index++);
}
internal Album(SongCollection songCollection, string name, Artist artist, Genre genre, Android.Net.Uri thumbnail)
: this(songCollection, name, artist, genre)
{
this.thumbnail = thumbnail;
}
private void PlatformLoad(Action<int> progressCallback)
{
List<Song> songList = new List<Song>();
List<Album> albumList = new List<Album>();
using (var musicCursor = Context.ContentResolver.Query(MediaStore.Audio.Media.ExternalContentUri, null, null, null, null))
{
if (musicCursor != null)
{
Dictionary<string, Artist> artists = new Dictionary<string, Artist>();
Dictionary<string, Album> albums = new Dictionary<string, Album>();
Dictionary<string, Genre> genres = new Dictionary<string, Genre>();
// Note: Grabbing album art using MediaStore.Audio.AlbumColumns.AlbumArt and
// MediaStore.Audio.AudioColumns.AlbumArt is broken
// See: https://code.google.com/p/android/issues/detail?id=1630
// Workaround: http://stackoverflow.com/questions/1954434/cover-art-on-android
int albumNameColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AlbumColumns.Album);
int albumArtistColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AlbumColumns.Artist);
int albumIdColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AlbumColumns.AlbumId);
int genreColumn = musicCursor.GetColumnIndex(MediaStore.Audio.GenresColumns.Name); // Also broken :(
int artistColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Artist);
int titleColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Title);
int durationColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Duration);
int assetIdColumn = musicCursor.GetColumnIndex(MediaStore.Audio.AudioColumns.Id);
if (titleColumn == -1 || durationColumn == -1 || assetIdColumn == -1)
{
Debug.WriteLine("Missing essential properties from music library. Returning empty library.");
albumCollection = new AlbumCollection(albumList);
songCollection = new SongCollection(songList);
return;
}
for (musicCursor.MoveToFirst(); !musicCursor.IsAfterLast; musicCursor.MoveToNext())
try
{
long durationProperty = musicCursor.GetLong(durationColumn);
TimeSpan duration = TimeSpan.FromMilliseconds(durationProperty);
// Exclude sound effects
if (duration < MinimumSongDuration)
continue;
string albumNameProperty = (albumNameColumn > -1 ? musicCursor.GetString(albumNameColumn) : null) ?? "Unknown Album";
string albumArtistProperty = (albumArtistColumn > -1 ? musicCursor.GetString(albumArtistColumn) : null) ?? "Unknown Artist";
string genreProperty = (genreColumn > -1 ? musicCursor.GetString(genreColumn) : null) ?? "Unknown Genre";
string artistProperty = (artistColumn > -1 ? musicCursor.GetString(artistColumn) : null) ?? "Unknown Artist";
string titleProperty = musicCursor.GetString(titleColumn);
long assetId = musicCursor.GetLong(assetIdColumn);
var assetUri = ContentUris.WithAppendedId(MediaStore.Audio.Media.ExternalContentUri, assetId);
long albumId = albumIdColumn > -1 ? musicCursor.GetInt(albumIdColumn) : -1;
var albumArtUri = albumId > -1 ? ContentUris.WithAppendedId(Uri.Parse("content://media/external/audio/albumart"), albumId) : null;
Artist artist;
if (!artists.TryGetValue(artistProperty, out artist))
{
artist = new Artist(artistProperty);
artists.Add(artist.Name, artist);
}
Artist albumArtist;
if (!artists.TryGetValue(albumArtistProperty, out albumArtist))
{
albumArtist = new Artist(albumArtistProperty);
artists.Add(albumArtist.Name, albumArtist);
}
Genre genre;
if (!genres.TryGetValue(genreProperty, out genre))
{
genre = new Genre(genreProperty);
genres.Add(genre.Name, genre);
}
Album album;
if (!albums.TryGetValue(albumNameProperty, out album))
{
album = new Album(new SongCollection(), albumNameProperty, albumArtist, genre, albumArtUri);
albums.Add(album.Name, album);
albumList.Add(album);
}
var song = new Song(album, artist, genre, titleProperty, duration, assetUri);
song.Album.Songs.Add(song);
songList.Add(song);
}
catch (Exception e)
{
Debug.WriteLine("MediaLibrary exception: " + e.Message);
}
}
musicCursor.Close();
}
albumCollection = new AlbumCollection(albumList);
songCollection = new SongCollection(songList);
}
private void PlatformLoad(Action <int> progressCallback)
{
Task.Run(async() =>
{
if (musicFolder == null)
{
musicFolder = KnownFolders.MusicLibrary;
}
var files = new List <StorageFile>();
await this.GetAllFiles(musicFolder, files);
var songList = new List <Song>();
var albumList = new List <Album>();
var artists = new Dictionary <string, Artist>();
var albums = new Dictionary <string, Album>();
var genres = new Dictionary <string, Genre>();
var cache = new Dictionary <string, MusicProperties>();
// Read cache
var cacheFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(CacheFile, CreationCollisionOption.OpenIfExists);
using (var stream = new BinaryReader(await cacheFile.OpenStreamForReadAsync()))
try
{
for (; stream.BaseStream.Position < stream.BaseStream.Length;)
{
var entry = MusicProperties.Deserialize(stream);
cache.Add(entry.Path, entry);
}
}
catch { }
// Write cache
cacheFile = await ApplicationData.Current.TemporaryFolder.CreateFileAsync(CacheFile, CreationCollisionOption.ReplaceExisting);
using (var stream = new BinaryWriter(await cacheFile.OpenStreamForWriteAsync()))
{
int prevProgress = 0;
for (int i = 0; i < files.Count; i++)
{
var file = files[i];
try
{
MusicProperties properties;
if (!(cache.TryGetValue(file.Path, out properties) && properties.TryMatch(file)))
{
properties = new MusicProperties(file);
}
properties.Serialize(stream);
if (string.IsNullOrWhiteSpace(properties.Title))
{
continue;
}
Artist artist;
if (!artists.TryGetValue(properties.Artist, out artist))
{
artist = new Artist(properties.Artist);
artists.Add(artist.Name, artist);
}
Artist albumArtist;
if (!artists.TryGetValue(properties.AlbumArtist, out albumArtist))
{
albumArtist = new Artist(properties.AlbumArtist);
artists.Add(albumArtist.Name, albumArtist);
}
Genre genre;
if (!genres.TryGetValue(properties.Genre, out genre))
{
genre = new Genre(properties.Genre);
genres.Add(genre.Name, genre);
}
Album album;
if (!albums.TryGetValue(properties.Album, out album))
{
var thumbnail = Task.Run(async() => await properties.File.GetThumbnailAsync(ThumbnailMode.MusicView, 300, ThumbnailOptions.ResizeThumbnail)).Result;
album = new Album(new SongCollection(), properties.Album, albumArtist, genre, thumbnail.Type == ThumbnailType.Image ? thumbnail : null);
albums.Add(album.Name, album);
albumList.Add(album);
}
var song = new Song(album, artist, genre, properties);
song.Album.Songs.Add(song);
songList.Add(song);
}
catch (Exception e)
{
Debug.WriteLine("MediaLibrary exception: " + e.Message);
}
int progress = 100 * i / files.Count;
if (progress > prevProgress)
{
prevProgress = progress;
if (progressCallback != null)
{
progressCallback.Invoke(progress);
}
}
}
}
if (progressCallback != null)
{
progressCallback.Invoke(100);
}
albumCollection = new AlbumCollection(albumList);
songCollection = new SongCollection(songList);
}).Wait();
}
