/** Called by the providers when the details of an album have been updated. */ @Override public void onAlbumUpdate(ProviderIdentifier provider, final Album a) throws RemoteException { if (a == null) { Log.w(TAG, "Provider returned a null album"); return; } Album cached = mCache.getAlbum(a.getRef()); boolean modified = false; // See IProviderCallback.aidl in providerlib for more info about the logic of updating // the Album objects if (cached == null) { mCache.putAlbum(provider, a); cached = a; modified = true; } else if (!cached.isLoaded() || !cached.isIdentical(a)) { cached.setName(a.getName()); cached.setYear(a.getYear()); cached.setIsLoaded(a.isLoaded()); cached.setProvider(a.getProvider()); if (cached.getSongsCount() != a.getSongsCount()) { Iterator<String> songsIt = a.songs(); while (songsIt.hasNext()) { String songRef = songsIt.next(); cached.addSong(songRef); } } modified = true; } if (cached.getProvider() == null) { Log.e(TAG, "Provider for " + cached.getRef() + " is null!"); } if (modified) { // Add the album to each artist of the song (once) Iterator<String> songs = a.songs(); while (songs.hasNext()) { String songRef = songs.next(); Song song = retrieveSong(songRef, a.getProvider()); if (song != null && song.isLoaded()) { String artistRef = song.getArtist(); if (artistRef != null) { Artist artist = retrieveArtist(artistRef, song.getProvider()); if (artist != null) { artist.addAlbum(a.getRef()); } else { if (DEBUG) Log.e(TAG, "Artist is null!"); } } } else { if (DEBUG) Log.e(TAG, "Song is null!"); } } postAlbumForUpdate(cached); } }